Recent feature changes to Stack Exchange

Question

This is an unofficial list/changelog of new features and various changes to Stack Overflow and the Stack Exchange network.

It is maintained by the community, while a Stack Exchange employee changes the accepted answer to ensure that the latest changes remain on top (given default user settings).

To see the list in reverse chronological order (latest entry on top), sort answers by: Date created (newest first) .

For those adding new features here: please post only feature changes that affect the whole network and have some global impact. i.e. bug fixes don't belong here, nor do mobile app updates.

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• Pacerier: "sort Answers by latest activity first" doesn't work because people are updating the grammar of past archives bumping them up. Is there a way to sort by post creation date for this thread?
• Nathan Tuggy: @Pacerier: Yes, hit "Oldest" and scroll down the list. (Accepted answer will always be on top of course.)
• user1306322: why does this have 9 answers and not just one?
• Scott - Слава Україні: So what are the new SQL features in Data Explorer we were promised in May?
• user152859: @user1306322 because in the beginning, there were too many new features, so it passed the 30k character limit. So it was decided to split it per year. Even though in recent years there are way less changes, this tradition is kept.
• user152859: @Scott good question, but even if we knew, not sure it belongs here as SEDE is "external service". Feel free to start a new support or discussion question asking about those new features. :)
• user152859: @tgm1024 you mean why the question is protected? Exactly for the reason you said. This is not the place to say what works and what doesn't work. Since new users or users without experience on this site are not expected to know this, prevent honest mistakes from happening.
• Ekadh Singh: Should stuff that happened a long time ago really be an answer to "Recent feature changes to stack exchange"?
• zcoop98: @EkadhSingh The title doesn't completely match up with the content, but it's really nice to have a master timeline of changes on SO/ SE, which is what this has become.
• Rob: @SO_ some sites have pin and some turn it off: meta.stackexchange.com/q/369568/282094 - that affects whether the accepted answer is on top or in natural sort order.
• Erwin Brandstetter: This seems unmaintained? No entries for 2023? Where can I find the latest feature changes? On SO, HTML tags in highlighted code seem to work again, after having been broken for the longest time. (Caused me a whole lot of pain and work.) And I can't find anything about it.
• gnat: @ErwinBrandstetter good question. I just re-checked and there simply seem to be no new features worth recording in 2023 yet. Regarding fix for highlighted code you mentioned, two things to keep in mind are that first, this changes log tries to focus more on features that "cross single site borders" so to speak (expecting these to be covered at respective site meta) and second, it rather strongly abstains of recording bug fixes. Personally, i dislike both these limitations but not to the point of fighting with maintainers insisting on them
• user152859: @ErwinBrandstetter as one of those "maintainers" gnat mentions, we're indeed having here only new features, hence the title "recent feature change". Feel free to start a new question here with title like "recent bug fixes" and list there all the bug fixes same way features are listed here. However note to keep it only for network wide bug fixes, otherwise it would be closed as off topic. As for no features until now, at some point SE management decided to stop all work on bugs and requests, and focus on their profitable project like Teams.
• mplungjan: This comment voting looks new to me i.imgur.com/LHP7eXK.png
• VLAZ: @mplungjan it's an experiment at the moment: Experimenting with New Comment UI Features on Stack Overflow

Answer 1

June 2024

• 2024年06月26日: Bounties are now an orthogonal feature, which essentially means users can vote to close a question even while it has an active bounty. (And the bounty isn't affected by it.)

May 2024

• 2024年05月28日: Arrangement with imgur.com officially ended, all images migrated and hosted on i.sstatic.net (internal via CloudFlare) instead.

• 2024年05月21日: Tag design has been updated to use a new base style.

Answer 2

December 2011

• 2011年12月28日: There's a tag-wiki-specific "not helpful... does not follow any of our tag wiki guidelines" suggested-edit rejection reason.

• 2011年12月22日: The /reputation page now shows the reputation earned from suggested edits.

• 2011年12月21日: Moderators (and the users themselves) can now see history of past user names (for users that have ever changed their name)

November 2011

• 2011年11月28日: The newly redesigned profile pages have been pushed network-wide.

• 2011年11月28日: Spoiler text is now hidden in Questions pages and on front page tooltips.

• 2011年11月23日: New short link for answers in the form of stackoverflow.com/a/[answer_id]. These may also contain a user ID for tracking purposes, but sharing them does not award publicity badges.

• 2011年11月22日: The new-look profiles have been rolled out to Server Fault and Super User, but not the site metas. Also other sites including EL&U, WepApps, Gaming and Ubuntu.

• 2011年11月15日: The profile page has been redesigned and the new style deployed to Meta only for testing.

• 2011年11月08日: The Reviewer badge has been changed to a silver badge with the requirements increased to 1000 reviews and acting on at least 200.

• 2011年11月07日: nofollow removed from links in "reputable" posts.

• 2011年11月07日: New bronze badge "Reviewer" for reviewing 300 posts and acting on over 60 of them.

• 2011年11月02日: When reviewing a suggested edit, you can now reject it with a custom reason.

October 2011

• 2011年10月27日: The review section now lets you mark posts as reviewed. Doing so allows you to directly take actions on these posts (such as voting, flagging, commenting, ...), and hides them from the review section.

• 2011年10月18日: Stack Exchange URL shortener s.tk launched.

• 2011年10月13日: Blogs snippets added to Stack Exchange newsletters.

• 2011年10月11日: "Suggestions" filter added to the activity tab in user profiles, showing all the edits that member suggested and their status.

• 2011年10月08日: Email notifications overhauled and integrated with the global inbox.

• 2011年10月07日: When placing a bounty on question asked by other user, you are getting a notification for new answers on that question as long as the bounty is active.

September 2011

• 2011年09月30日: When rejecting an edit you can now choose a pre-defined reason.

• 2011年09月27日: "Post Made Community Wiki" now showing the actual reason.

• 2011年09月26日: Links to comments on the profile page will now always take you directly to the comment, even if it would usually be hidden (currently only if the comment is on an answer).

• 2011年09月23日: Moderators can add a notice to a post that will display at the bottom of the post.

• 2011年09月23日: You must be a registered user to ask questions on Stack Overflow. Unregistered users may still answer questions however.

• 2011年09月22日: On Stack Overflow, low-reputation users must enter a nominal ratio of non-code characters for each line of code in a question before they can ask it. (This was also discussed during SE Podcast #19.)

• 2011年09月22日: Users are now notified of unaccepted answers.

• 2011年09月20日: The minimum bounty on a question you have answered is now 100.

• 2011年09月20日: Questions with an identical title to an existing question can no longer be submitted.

• 2011年09月20日: The featured tab now sorts with a weight that gives a Colbert Bump to higher bounties.

• 2011年09月20日: Bounty remarks are now supported.

• 2011年09月20日: The badges page now includes filtering by type.

• 2011年09月19日: @name can now be autocompleted in comments using the tab key, similar to chat.

• 2011年09月17日: Flagging a post for moderator attention, and then casting the final deletion or close vote, no longer earns an increase in flag weight.

• 2011年09月16日 Network profiles no longer use ugly GUIDs, but a pretty account id.

• 2011年09月16日: Management and promotion of newsletter subscriptions.

• 2011年09月16日: Locked posts now include an explanation of why they were locked (example), and can be optionally configured to automatically unlock after a certain amount of time has passed.

• 2011年09月14日: Email notifications for individual questions are no longer available. Instead, users can receive email notifications of unread inbox items.

• 2011年09月14日: Deleting a post that is the master of a closed duplicate will now provide a warning.

• 2011年09月14日: An advanced search option hasnotice:1 has been added to find posts with moderator notices.

• 2011年09月12日: The revision diff list now offers a side-by-side diff in addition to the inline diff.

• 2011年09月12日 Declined flags will now include a reason that is included in the user's Flagging Summary.

• 2011年09月12日: You now have extra delete votes for every 1k above 10k reputation (beta sites may differ), with an upper limit of 30 delete votes per day.

• 2011年09月12日: At 5k rep, users now have full access to the suggested edit queue.

• 2011年09月11日: The minimum amount of rep that can be spent on a bounty now doubles for each successive bounty on the same question by the same user. In other words, if the first bounty on a question starts at 50 rep, the next bounty on that question has a minimum rep of 100, the next 200, the next 400, the next (max).

• 2011年09月09日: LinkedIn removed from sharing options

• 2011年09月06日: Users can no longer single-handedly undelete their own posts if they were deleted by vote; they can only vote to undelete like any other user.

• 2011年09月06日: The sharing buttons are now shown on the trilogy in addition to the SE 2.0 sites.

• 2011年09月02日: Up to 3 concurrent bounties are allowed per user now.

• 2011年09月02日: Voting to close as a duplicate now lists questions that were previously used when closing related questions.

August 2011

• 2011年08月27日: Avatars now have a pop-up with user info which expands when hovered over. (This was first tested on Meta sites and is now deployed everywhere.)

• 2011年08月24日: facebook.stackoverflow.com "mini-site", as the new official developer support channel for all Facebook developers. When using a Facebook account to log in, this also pulls your Facebook profile picture to be used as your avatar, but you can revert that.

• 2011年08月24日: New bronze badge "Analytical" for visiting every section of the FAQ.

• 2011年08月22日: New gold badge "Marshal" for achieving a flag-weight of 749.

• 2011年08月17日: Tools and Review got separate category tabs (on the left) at 10k tools; the /tools link in the top bar remembers the last selection.

• 2011年08月16日: The "links" tab on /tools is gone and now those links are inside other pages like "stats", "close", "delete".

• 2011年08月15日: Excavator and Archaeologist badges added for editing posts that were inactive for 6 months.

• 2011年08月09日: Descriptive error message is now displayed upon image upload failures.

• 2011年08月09日: Improved Tag auto-complete to include tag wiki excerpt.

• 2011年08月09日: Control-Enter in search box now opens results in a new tab/window.

• 2011年08月08日: The search text box now auto-expands to the left when focused, temporarily hiding the top-bar links.

• 2011年08月06日: Proofreader badge for having reviewed 100 suggested edits.

• 2011年08月02日: In the 10k tools, the delete tab now shows remaining needed vote counts.

• 2011年08月01日: Titles that appear to start with a tag now have the tag stripped out.

July 2011

• 2011年07月19日: Comments containing multiple @name are blocked now unless they contain a backtick.

• 2011年07月18日: Trivial answers containing a link to another question in the network are automatically converted to comments on the question.

• 2011年07月16日: Mobile theme for Stack Exchange sites launched. Users can switch back and forth from the mobile theme using the 'mobile' link at the bottom of every page.

• 2011年07月15日: Anonymous and low rep (<15) users now see a "give feedback" link where logged in users usually see "add comment". When moused over, this shows "Was this post useful to you [yes] [no]". This is just for testing purposes right now - it does not affect the post's score.

• 2011年07月13日: New heuristics blocking posts with no or improper code formatting (only for users with <= 50 reputation).

• 2011年07月08日: Inline post editing is now enabled network wide to people with the editing privilege.

• 2011年07月07日: It is no longer possible to award a bounty to your own answer.

• 2011年07月07日: 10k users can now see the Migrated tab on /tools?tab=migrated, which was previously a ♦ moderator tool.

• 2011年07月07日: Synonymizer badge added for First approved tag synonym.

• 2011年07月07日: Migrating to another site requires 4 migration votes, instead of a simple 3/5 majority as before. This change applies only to Stack Overflow.

• 2011年07月06日: Close- and reopen- votes now age away on a sliding window: if four days elapse without a close or reopen vote, the votes begin aging away. Posts with fewer than 100 views do not expire votes.

• 2011年07月01日: In comments between the post owner and only one other person, @lerting the post owner will be removed from the comment text if it is at the beginning of the comment as it is not needed. (The post owner is always notified of comments on their post.) Moreover, @postowner (or an invalid @lert) does no longer block a subsequent @lert; see #8 in How do comment @replies work?

Answer 3

December 2013

• 2013年12月23日: There is no "Trigger Reputation Recalc" button anymore.
  Recalc is performed automatically only.
  In case of reputation inconsistency that does not resolve itself, please file a new bug report.

• 2013年12月20日: Personal data is now marked private when viewing one's own profile.

• 2013年12月19日: Posts now fade out when flags have been handled in the 10K tools.

• 2013年12月04日: New top bar rolling out on sites.

• 2013年12月03日: The 10K tool "post feedback" aka "anonymous and low rep user feedback" is no more. R.I.P

• 2013年12月03日: Direct linking to a filtered /review queue is now available.

• 2013年12月03日: New Hot Questions sidebar has been introduced in the homepage of each site, "recent tags" and "recent badges" lists removed.

November 2013

• 2013年11月27日: A user's remaining deletion votes are now displayed on the "delete post" dialog.

• 2013年11月26日: "add comment" link is always visible, even for users with less than 50 reputation points and anonymous visitors.

• 2013年11月14日: The new top bar (beta) is out on Meta Stack Overflow.

• 2013年11月07日 (or earlier): when calculating the Gravatar email hash for those who do not have a Gravatar account, in some cases now a salt is used.

October 2013

• 2013年10月08日: Deleted answers that have had any spam or offensive flags raised against them will not show the answer body but the following text: "This answer was marked as spam or offensive and is therefore not shown - you can see the revision history for details". Where "the revision history" links to the answer revision history. The vote box (with score) and comments will still appear. (source)

• 2013年10月07日: In user history, Moderators can now see if a user is post-blocked, when, and if they've tried to post since being blocked. (source)

September 2013

• 2013年09月20日: Duplicates can now be filtered for in search strings.

• 2013年09月11日: The dialog for flagging posts was redesigned in order to streamline the process. For example, the options for spam and offensive are now listed first. Also, duplicate votes are now separated from close votes.

• 2013年09月06日: Any approved edit on a closed question will push the post into the reopen queue.

• 2013年09月05日: New users (< 10 rep) can now post images on any site except for Stack Overflow, Server Fault, Super User and Ask Ubuntu.

August 2013

• 2013年08月12日?: It is possible to see one's own deleted recent answers and questions. https://stackoverflow.com/users/recently-deleted-answers/<userID> and https://stackoverflow.com/users/recently-deleted-questions/<userID>. Linked from "answers" and "questions" tag in profile page.

• 2013年08月05日: Closing a question will no longer incur an automatic Community downvote.

• 2013年08月01日: (estimated date) Custom comments in flags now supports the same "mini-markdown" renderer used for comments.

July 2013

• 2013年07月29日: All flags that appear in a user's flagging summary that are not yet dismissed by a moderator have the marking "active" in it. It appears to mean "awaiting attention by a moderator". Source.

• 2013年07月26日: As a counter-measure against robo-reviewing, review ban times now automatically increase based on the amount of previous bans up to a maximum of 30 days.

• 2013年07月26日: The reputation requirement to access the First Posts and Late Answers queue was bumped up to fill the empty 500 reputation privilege

• 2013年07月24日: Alpha version of android app is released.

• 2013年07月24日: Very Low Quality flags automatically add the flagged post to the Low Quality review queue. If more than one VLQ flag accumulates on the post before the review has ended, a number of "Looks Good" responses equivalent to the number of flags is required to dequeue it.

• 2013年07月19日: The comment textarea now features the hint: "Request clarification or suggest improvements." On Meta it is "Request clarification or add information."

• 2013年07月15日: Close votes can now be retracted.

• 2013年07月08日: When an abandoned question is auto deleted, there is a proper reason added to the post history record.

• 2013年07月07日: Comment flags are now listed in full detail in a user's flag history.

• 2013年07月03日: When a moderator accesses private information about a user (such as their e-mail address, full name and IP address), this action will be logged in the user's history.

• 2013年07月03日: Comments can now be undeleted by moderators, unless they were deleted by the OP of the comment.

• 2013年07月03日: Close review history made available to 10K users and mods. Later, other review histories were also made available (no official announcement found for that).

• 2013年07月02日: Flags to close a question are no longer shown in the moderator only queue.

June 2013

• 2013年06月27日: New design for privilege page with privilege categorization and a progress bar to track progress to the next privilege.

• 2013年06月26日: The question and answer ban messages now link to the help center, and the help center pages no longer link to What can I do when getting "Sorry, we are no longer accepting questions/answers from this account"?

• 2013年06月26日: Flagging limits changes: You start with 10 flags per day, you can end up with as many as 100 per day. You get an extra flag per day for every 2000 reputation points or 10 net helpful flags (helpful-unhelpful).

• 2013年06月26日: Closing changes: [on hold], unclear, too broad, opinion-based, off-topic reasons, bye-bye to Too Localized, rolled out network-wide. See also The War of the Closes

• 2013年06月19日: Badges page is incorporated into the Help Center and gets a new tabbed design, cross network. For example, Stack Overflow badges page.

• 2013年06月03日: The new Help Center replaces FAQ pages on all sites.

• 2013-06-??: Tags are being auto suggested while writing a new question or editing an existing question. (No official post at the time of implementation, basing the time on this)

May 2013

• 2013年05月31日: Collaborative effort lock experimental feature introduced for questions where the primary value arises from the community's regular efforts to keep them updated via edits.

• 2013年05月28日: Diamond moderators are now allowed to comment on deleted or locked items.

• 2013年05月22日: Edit timestamp of posts is now wholly clickable, including the "Edited" word itself.

• 2013年05月17日: Edits reverted during the grace period will now remain in the post history instead of vanishing.

• 2013年05月08日: Retag option from questions is removed. Editing tags only will result in the same behavior as retag.

April 2013

• 2013年04月23日: Changes to the treatment of deleted content: Deleted questions will be visible to their authors, regardless of those authors' reputation; and delete-voting within two days of closing is disabled on questions scoring -2 or above, regardless of the voter's reputation.

• 2013年04月22日: A new footer is implemented on all sites. It links to a new grid view of all Stack Exchange sites.

• 2013年04月02日: Users are now shown a persistent (but dismissable) banner linking to /about on the site.

March 2013

• 2013年03月26日: The Linked and Related lists on the right sidebar are now displayed with larger text and with the score for each question.

• 2013年03月26日: The Close (or Delete) link shows only the number of votes cast. A tooltip (on hovering) displays the remaining required votes.

• 2013年03月22日: If a closed question is edited by the asker within 5 days, it is added to the reopen queue.

• 2013年03月20日: Users are now blocked from posting comments consisting only of "what have you tried".

• 2013年03月19日: A "delete" link has been added after "edit" for comments on mobile theme.

• 2013年03月14日: A question (or answer) with Votes to Close (or Delete) now shows the number of votes already cast and the number of votes needed to close (or delete) (e.g., (2/5))

February 2013

• 2013年02月21日: New image upload is being tested on Meta, adding support for paste and drag-and-drop.

• 2013年02月20日: [About] in comments is now a magic link, translated automatically as a link to the site's about page. (e.g. https://stackoverflow.com/about for Stack Overflow)

• 2013年02月19日: When a comment thread contains a comment by a user whose name starts with a non-ASCII letter (e.g. Я) and you write new comment, just typing @ will bring the tab completer up with that name.

• 2013年02月18日: The revision history of a question that was closed as a duplicate is now showing the chosen originals as part of the "Closed as duplicate" notice.

• 2013年02月11日: If a visitor is not logged in or doesn't have enough reputation to vote, the vote system redirects the vote to the anonymous feedback system, and shows a small blue dialog.

• 2013年02月06日: The auto inserted text for questions closed as duplicates has been changed to "This question already has an answer here:" followed by link to the other question and the number of answers it has. The text is no longer edited into the original question but rather displayed externally. While the question is still open, only the OP sees the message and it becomes visible to everyone once the question gets closed. Questions closed as duplicate prior to this change still have the old "Possible Duplicate:" text in them.

• 2013年02月06日: The close/flag/bounty dialogs lose their border, and are made draggable

• 2013年02月01日: The "close as duplicate" process has been updated: the interface to search for duplicate questions has been improved, and users may no longer vote to close questions as duplicates of questions that do not have an upvoted or accepted answer

January 2013

• 2013年01月29日: Automatic review suspension has been introduced. We're kicking blatant abusers out of the queues automatically now. Included are often-hilarious "honeypot" fake suggested edits.

• 2013年01月22日: Accept rates will no longer be shown. Like flag weight, they will continue to be calculated for backend use.

• 2013年01月22日: A question closed as a duplicate now gets a " [duplicate]" appended to its title, rather than just " [closed]". It also shows "marked as duplicate" instead of "closed as..." in the post notice.

• 2013年01月10日: First version of the new 'About' page rolled out to act as Quick Start guide for new users. New Bronze "Informed" badge for reading the entire page.

• 2013年01月10日: If you voted to close a post, and it hasn't been edited since the time it was closed,
  then you won't see that post in the Reopen Queue.

• 2013年01月10日: An alternative to Gravatar has been rolled out network-wide.

• 2013年01月04日: A new elasticsearch-based search engine has been rolled out across the network. New features include multi-term searches defaulting to AND rather than OR, word stemming, excluded terms -term, infavorites: coming back, ranges for answers: and created: and score:, and more.

Unknown during 2013

• Migrations are no longer marked "rejected" upon the destination question's deletion if it was merged into another question before being deleted.

Answer 4

December 2012

• 2012年12月14日: CSS of Stack Overflow and Meta Stack Overflow has been updated, mainly "thinning down" text.

• 2012年12月14日: "No Action Needed" button has been introduced in First Posts and Late Answers review queues.

• 2012年12月13日: Suspending reviewing privileges has been introduced for those who fail multiple review audits in a short time.

• 2012年12月03日: When an abandoned question is auto deleted, a post history record is being created and attributed to the Community user.

November 2012

• 2012年11月30日: Vote to close -> offtopic from Stack Overflow adds SharePoint; removes Server Fault.

October 2012

• 2012年10月19日: Review actions limits have been changed: after 20 reviews in a given queue, you're done for the day - if you want to continue reviewing, you can switch to a different queue. Limit is doubled for queues with large backlogs.

• 2012年10月18日: Migration for questions older than 60 days is now not possible, even by Moderators

• 2012年10月17日: Reopen Votes review queue has been introduced to vote whether or not to reopen closed questions.

• 2012年10月16日: The number of reviews required to accept/reject suggested edits has been increased to two network wide (versus one before) and three on Stack Overflow (versus two before). Moderators can still cast the final vote like before.

• 2012年10月01日 (likely earlier): suspension reason "This account is temporarily suspended for asking programming questions on MSO" introduced.

September 2012

• 2012年09月22日: Voting allowed (and encouraged) in First Posts and Late Answers review queues.

• 2012年09月21日: New badges added for completing community review tasks. User can earn Custodian (1 review), Reviewer (250 reviews) and Steward (1000 reviews) once for each review queue (Close Posts, First Posts, Late Answers, Suggested Edits and Low Quality Posts). The previous Reviewer badge (for reviewing posts in the old system) will no longer be awarded.

• 2012年09月08日: You must be a registered user to ask questions on Programmers Stack Exchange. Unregistered users may still answer questions however.

August 2012

• 2012年08月15日: Canned Comment Feedback Dialog for Community Review page.

• 2012年08月13日: Review audits are introduced: known cases thrown into review queue as "gotchas" to keep people from just nailing "Looks Good" or "Close" or whatever without reading the posts.

July 2012

• 2012年07月13日: The Help Center has been added. It contains pages for many common issues, offering suggestions and a form to email the team as needed. This is the new target of the "contact us" link in the footer, which was previously an email link.

• 2012年07月12日: The new Community Review Tasks system is now in beta on the trilogy.

• 2012年07月06日: The edit link is now disabled instead of hidden for registered users who cannot edit the post. The tooltip will display a reason such as "Post is locked".

• 2012年07月02日: "question eligible for bounty in X" message will be hidden for the question owner only if the question has an accepted answer. (Before this change it was hidden when question got an answer)

June 2012

• 2012年06月08日: New badges Caucus and Constituent, for browsing an election page and for voting in an election; announced on the blog.

• 2012年06月05日: Vote to close -> offtopic from Stack Overflow adds TeX, DBA; removes Programmers and Webmasters.

May 2012

• 2012年05月21日: Notifications tab in the multicollider (next to the inbox).

• 2012年05月18日: You can answer your own question at the time of posting by ticking the "Answer your own question" checkbox below the "Post Your Question" button.

• 2012年05月10日: When there is a community moderator election it is noted in that site's newsletter.

• 2012年05月05日: Keyboard shortcuts (created with <kbd>) on all sites are now rendered like they've always been on Ask Different, with a less boxy layout.

April 2012

• 2012年04月30日: Suggested edits that change the post's title now have no minimum on the body edit.

• 2012年04月26日: Stack Exchange is experimenting with automatically following links and might post comments and add them to a list on the /review tab when they are dead.

• 2012年04月26日: New votes tab on user profile, clearly you can only see your votes.
  You can see deletions/undeletions/closures and reopens as well as up/down votes (source).

• 2012年04月20日: On Stack Overflow, 50 votes available daily for suggested edits, not 40 and edit queue increased to 200.

• 2012年04月16日: The Visit Meta box is replaced by an enhanced Community Bulletin box.

• 2012年04月12日: It is now possible to undo comment votes within 60 seconds of casting them if you don't navigate away. An undone vote cannot be recast.

• 2012年04月06日: Accounts tab has been removed from user profile page. Top 5 accounts are still listed in the Summary view, header and "view more" link to the Stack Exchange accounts page.

March 2012

• 2012年03月30日: 'Live updates' now includes new answers and new comments

• 2012年03月26日: Migrations can now be rejected: if the question is closed (as OT/NC/NaRQ) at the destination site, it becomes merely closed as off-topic on the source site.

• 2012年03月20日: Manual deletion of saved drafts.

• 2012年03月15日: When anonymous users visit a question that is closed as duplicate and has no answer, they are automatically redirected to the duplicate.

• 2012年03月15日: 'Live updates' implemented on Stack Exchange sites; due to heavy activity, the feature is limited to tags view on Stack Overflow.

• 2012年03月06日: The new Stack Exchange beta theme has started to be rolled out across the network.

• 2012年03月05日: Questions locked for historical significance no longer show up in question lists and their vote buttons are removed (example).

• 2012年03月05日: You should keep the reputation for the post even if it eventually gets deleted if it has score of 3 or greater and is visible on the site for at least 60 days.

February 2012

• 2012年02月29日: When a user is deleted, acceptance votes will be moved to Community user, so that reputation points awarded for having the accepted answer will no longer disappear

• 2012年02月27日: The amount of example questions with 10+ votes required to reach the commitment phase has been raised from 10 to 40. (Area 51)

• 2012年02月27日: Updates to the homepage are now pushed live via web sockets. Initially deployed on Meta, and gradually being deployed to other sites.

• 2012年02月27日: Reputation changes are kept up to date, without the need for a manual recalc. (Sync takes up to 5 minutes on a delete/undelete action.)

• 2012年02月22日: Automatic question banning calculation has been changed on Meta to better reflect the idea that downvotes can be much more common on meta, for reasons that aren't necessarily related to quality of the post.

• 2012年02月21日: Vote counts now include votes cast on deleted posts.

• 2012年02月15日: The "Welcome to <site>..." banner message displayed to new visitors has been removed due to low usage.

• 2012年02月07日: New silver badge for editing 50 tag wikis (not counting excerpts) introduced: Research Assistant.

• 2012年02月02日: Local metas' tag wikis are now locally editable.

January 2012

• 2012年01月30日: Comments can now be easily linked to using the permalink on their timestamps.

• 2012年01月30日: Suggested edits can now be marked as unhelpful when selecting the "Improve" option, causing the Community user to decline the suggested edit with no reputation bonus to the suggester.

• 2012年01月26日: Google+ sharing replaced LinkedIn sharing.

• 2012年01月20日: Flag weight was removed from user profiles. Users having flags now see a "helpful flags" count on their own profile linking to the flag audit page, which now contains a breakdown of flag outcomes by flag type (moderator attention, spam, offensive, comment). The Deputy and Marshal badges were modified to require a number of helpful flags (80 and 500, respectively) instead of a specific flag weight.

• 2012年01月20日: "very low quality" flags now carry an automatic downvote from the Community user with them, and are dismissed when the post is edited.

• 2012年01月16日: The populist badge will no longer be awarded for self-answers. Also note that losing your qualification for a already-earned badge will (usually?) no longer result in your next badge of the same type being withheld.

• 2012年01月10日: The Announcer, Booster and Publicist badges can now be earned multiple times and they can also be earned for the same question. The time limit has also been removed. Sharing direct links to answers now also counts towards these badges.

• 2012年01月03日: Users asking questions with auto-caught bad titles will now be offered a link to Mark Harrison's post on writing good titles.

Answer 5

December 2014

• 2014年12月18日: Release of Beta Testing version of Android Tablet App

• 2014年12月10日: Status of suggested edits is now displayed in your activity history as either of pending, approved, rejected.

• 2014年12月06日: Very Low Quality flags are not available for questions under close and triage review.

• 2014年12月04日: Triage review introduced for testing at Stack Overflow.

November 2014

• 2014年11月27日: Profile page re-design in being tested on MSE.

• 2014年11月12日: Rolling question rate limits are now network-wide

October 2014

• 2014年10月17日: Introduced an option to have a tag-specific popup (aka Tag Warning) to guide question askers and editors.

• 2014年10月07日: New rejection reason for suggested edits that don't make any positive changes to the post: "no improvements whatsoever".

• 2014年10月01日: Intra-word emphasis now works.

September 2014

• 2014年09月30日: The "thanks for your edit" message now includes a link to the suggested edit page. (Post edits only.)

• 2014年09月30日: Explainer-Refiner-Illuminator badges added.

• 2014年09月25日: Chat Autocomplete improvements. More matches shown, gravatars shown, shows spaces in names.

• 2014年09月19日: Changes to user signup and profile editing.

• 2014年09月17日: Rate limiting of asking questions testing at Stack Overflow (extended to Programmers since 2014年09月24日).

• 2014年09月16日: Stack Snippets, runnable HTML, JavaScript, and CSS code snippets, introduced on programming-centric Stack Exchange sites (Stack Overflow, Code Review, as well as Meta Stack Exchange). (Full list of sites)

• 2014年09月11日: iOS app refined for iPad is released for alpha testing.

• 2014年09月10日: Suggested edit review offers a new button "Improve Edit" instead of "Improve". This action will fail any known-bad audits, while "Reject and Edit" action will pass these audits.

• 2014年09月09日: Snippets on answers scoring -3 or lower are disabled.

• 2014年09月09日: Numbered list can now start with any number, not just 1.

• 2014年09月08日: "Too minor" was removed from the suggested edits reject reasons list.

• 2014年09月05日: Suggested edit review offers a new button "Reject and Edit".

August 2014

• 2014年08月29日: Posts in the Suggested Edit queue are "checked out" to a specific person for a period of time (currently 3 minutes).

• 2014年08月25日: Runnable code snippets are being tested on Meta Stack Overflow.

• 2014年08月21日: When a user without full editing privileges suggests a new edit, he now sees a warning if some of his edits were rejected.

• 2014年08月20日: "You can only submit a comment vote every 5 seconds" throttle removed.

• 2014年08月19日: In case of an edit conflict resulting in automatic rejection of a suggested edit, a message is now displayed to explain what happened.

• 2014年08月13日: Moderators can move comments to chat.

• 2014年08月12日: 8-hour delay on self-answers eliminated entirely.

July 2014

• 2014年07月25日: Comment threads show a choice between revealing all comments and directly adding a comment. The latter implies the former yet allows users to add a comment with one click.

• 2014年07月18日: Review-Overview now returns values cached for a short period of time.

• 2014年07月17日: One can now flag a comment after upvoting it.

• 2014年07月09日: Multiple periods at the end of comment reply (e.g. @Joe...) are now ignored.

• 2014年07月08日: 10K users can vote to undelete posts removed by Community for inactivity.

• 2014年07月02日: Everyone can now view skipped items in their review history. Moderators can see everyone's skipped items.

• 2014年07月02日: Asking days badges have been introduced: Curious, Inquisitive, Socratic.

June 2014

• 2014年06月27日: Spam/Offensive flags on Area 51 do not expire automatically any more.

• 2014年06月23日: Community Bulletin got some love and new design, on all sites.

• 2014年06月12日: When community wiki status is removed from a post reputation is automatically recalculated as if the post was never a wiki.

• 2014年06月10日: When moderators or users with the "create new tags" privilege attempt to create one or more new tags either while asking a question or during an edit they are shown a confirmation dialog to reduce risk of tags created by mistake. This feature is enabled on a per-site basis.

• 2014年06月09日: In close vote review audits you'll have to actually select a close reason and click Vote before passing / failing. Voting to close as duplicate won't fail "known good" audit.

• 2014年06月08日: Blatantly off-topic option has been added to flag to close dialog on all sites, for questions that have no connection to a site's topic at all.

• 2014年06月01日: Post status banners (e.g. Closed, Locked) moved directly under the posts on which they're applied.

May 2014

• 2014年05月27日: On Stack Overflow, asking questions is now rate-limited to 1 per 90 minutes for users having less than 125 rep.

• 2014年05月19日: Easy close review queue filtering interface - currently enabled only on Stack Overflow, with a threshold 50 for how many outstanding reviews there must be with a tag or close reason in order for it to show up on the dashboard.

• 2014年05月15日: In order to fail or pass a review audit you now have to actually submit a flag or close vote.

• 2014年05月13日: Users with gold tag badge have binding votes to close and reopen duplicates in that tag.

• 2014年05月13日: Anti-Recidivism System Added that deal with users who request deletion in order to evade restrictions that are placed on their accounts at the time of deletion.

• 2014年05月12日: Stack Exchange API v1.0 and v1.1 endpoints have been shutdown.

• 2014年05月09日: Featured questions from MSE now show up on community bulletin across the network.

• 2014年05月08日: Official iOS app for Stack Exchange is available in App Store.

• 2014年05月06日: A custom message can be set (only by staff) when a user tries to submit blacklisted content such as tags.

• 2014年05月06日: Users with a track record of poor questions or answers will now receive a warning when posting a new question or answer.

April 2014

• 2014年04月29日: 10K users now see the total number of pending review tasks in the top bar instead of just pending suggested edits.

• 2014年04月28日: Aging rules for questions to leave and re-enter close review queue are introduced.

• 2014年04月28日: Users are now warned when deleting a post could lead to a question ban.

• 2014年04月28日: Graying out downvoted answers in meta discussion questions now happens at a new threshold of: -8.

• 2014年04月22日: The 10k flag queue has been removed from all sites.

• 2014年04月17日: Moderator record tools for annotations and moderator messages were revamped.

• 2014年04月16日: Meta Stack Overflow and Meta Stack Exchange have officially split off from each other.

• 2014年04月14日: The last activity information on the front page now includes verbs: asked, answered, or modified (that covers edits, bounties, and the like.)

• 2014年04月09日: Former criteria for the automatic conversion of community wiki have been removed. Instead, flags will be cast in select situations for moderator attention regarding multiple edits to a post or multiple answers to a post.

• 2014年04月09日: Moderators can now provide a reason when manually review-banning users. In addition, the message on automatic bans triggered by failed audits includes a link to at least one such failed audit.

• 2014年04月08日: Auto-protection for questions that get more than N answers from new users in a 24-hour period. N is: 5 by default, 20 for Code Golf, 3 for Programmers, Workplace, ELL. Users with privileges to protect (15K) can now unprotect any protected question.

• 2014年04月05日: When a post is deleted by six "Recommend Deletion" votes from within the review queue, "Post Deleted From Review" message will be added to the post history. In addition, when the post author undelete such a post, "disputed low quality review" auto flag is raised.

• 2014-04-??: Chat now has the new top bar, as do Area 51 and the StackExchange.com hub.

• 2014-04-??: Tag popup contains amount of questions having that tag.

March 2014

• 2014年03月19日: MathJax now works over HTTPS.

• 2014年03月17日: Moderators can now dismiss flags on the same post individually.

• 2014年03月11日: Moderator Newsletter updates are now pushed to the Top Bar Moderator Inbox.

• 2014年03月11日: Top Bar Moderator Inbox now includes snippets from moderator messages in the alerts.

February 2014

• 2014年02月28日: UI for moderators to reply to helpful flags.

• 2014年02月27日: The number of questions in the close review queue is now fuzzy.

• 2014年02月25日: The Top Bar now uses universal colors network-wide when depicting flags (blue) and suggested edits (beige).

• 2014年02月25日: Hot questions list at sidebar is now randomized.

• 2014年02月25日: The order and choice of sites on the top-left site switcher can now be customized.

• 2014年02月13日: Comments on election nominations can no longer be flagged. There will be extra monitoring to ensure this doesn't result in abusive comments.

• 2014年02月10日: iOS app Alpha version released.

• 2014年02月03日: Improving a suggested edit is now considered more substantive than an approved suggested edit (details).

January 2014

• 2014年01月27日: The Stack Exchange Android app is in public beta.

• 2014年01月24日: The mobile site now uses a mini version of the improved topbar.

• 2014年01月15日: Migration notice refers to question revision history at source site.

• 2014-01-??: Moderators can now see who validated a chat offensive flag in the flag dialog.

Answer 6

December 2016

• 2016年12月08日: Migrated questions are deleted automatically 30 days after being rejected.

November 2016

• 2016年11月28日: Questions that have been "randomly poked by the Community user" to the front page are now indicated to have been bumped via a banner.

• 2016年11月24日: Manual and automatic review bans can escalate beyond 30 days.

• 2016年11月18日: new 10k tool under /tools that provides a list of protected questions.

October 2016

• 2016年10月21日: "vote down" privilege is awarded at 100 reputation here on Meta Stack Exchange.

• 2016年10月12日: Users with rep >= 15 and < 50 will now be able to flag posts as "should be closed" on the flagging dialog; this includes duplicates. Previously, this was restricted because these users did not have the ability to comment.

• 2016年10月12日: Users without the privilege to comment can no longer edit comments that are automatically generated on their behalf, such as trivial answers being converted to comments, moderator conversions, and "possible duplicate" comments.

September 2016

• 2016年09月29日: If a user’s comments are consistently flagged as rude/abusive or not constructive, a moderator flag is raised.

August 2016

• 2016年08月02日: Cancel misclicked flags feature is implemented and enabled network wide. It works for both Questions and Answers. (not comments)

July 2016

• 2016年07月26日: Chat room owners can now place the room in a temporary timeout. (up to one day)

• 2016年07月21日: Stack Overflow Documentation Beta - community-curated, example-focused developer documentation, based on the principles of Stack Overflow.

• 2016年07月13日: Suggesting edits is rate limited to at-most 20 pending suggested edits per editor on beta sites and at-most 5 pending suggested edits per editor on graduated site.

June 2016

• 2016年06月30日: Improved IME Handling is now active for comments in all Stack Exchange sites.

• 2016年06月30日: The minimum reputation required to post on MSE has been reverted to 1 reputation. All remaining unread 'Terms of Service changed' inbox items have been expired.

• 2016年06月29日: Moderators are now able to view comments by a specific user that have been flagged. (Available in the moderator tools on the comments overview, on a new tab called "Flagged")

• 2016年06月28日: When a question is closed as a duplicate, its originals are examined for dupe votes pointing at the now-closed duplicate - these votes are then invalidated.

• 2016年06月21日: VLQ flag is no longer available on posts older than 7 days. This does not impact low-quality auto-flagging.

• 2016年06月14日: The Stack Snippets UI has been upgraded. We improved the user experience and UI to: Create visual hierarchy (AKA "easy to use") in the editor and in the snippet inside the post, improve the visual design, and fix some design issues.

May 2016

• 2016年05月18日: A virtual console has been added to Stack Snippets.

• 2016年05月13日: Option to set site-specific new-user ask limit is restored and is back to 90 minutes at Stack Overflow.

• 2016年05月04日: PostHistory record added when Community bumps a post (there's no record prior to May 4th, 2016).

• 2016年05月03日: The new-user ask limit is now one question every 40 minutes, network-wide. That means only 1 question every 40 minutes on Stack Overflow, but also means you'd need to wait 40 minutes after asking a question on, say, Woodworking to ask a related question on Crafting or Home Improvement.

April 2016

• 2016年04月21日: MSE temporary raised the minimum reputation to post questions and answers to 2 from 1 for an undefined period.

• 2016年04月19日: A Terms of Service update restricting companies that scrape your profile information without your permission.

• 2016年04月11日: On meta sites, deleting a user's account will no longer automatically delete negatively-voted posts they own.

• 2016年04月06日: Cross-site posting rate limits apply to new users on every site forcing a waiting period between posting a question or answer after having previously posted one anywhere else on the network.

March 2016

• 2016年03月31日: Users can ask on per-site-meta about their own posts (questions and answers) even when their reputation is less than 5. This works even if their post was deleted.

• 2016年03月23日: Users can see review tasks linked in the timeline once they're not currently live (completed or invalidated).

• 2016年03月21日: Common link shorteners are blacklisted in posts at Stack Overflow.

• 2016年03月16日: Comment options in the low quality review queue for post older than 6 months, is reduced the "link only" option. Also, comments generated from review would be deleted once a week, unless it resulted in either deletion or a conversation.

• 2016年03月15日: 15K users can't protect a question if it has no answers from new users.

• 2016年03月07日: Hidden Communities no longer appear in the Network Profile accounts list. (Moderators can still see them.)

• 2016年03月02日: New moderator-only page is now available, called Duplicate Comments, allowing moderators to detect and handle users posting series of identical comments to spam/abuse the site.

February 2016

• 2016年02月15日: Users can now choose which site to sync the network profile's "about" text from, and this text is no longer automatically refreshed every day.

• 2016年02月15日: Users can now choose whether to see more ads if they've reached the "Reduce Ads" privilege.

• 2016年02月07日: Moderators can now redact a revision of a post. (Requires two moderators, one to perform the edit and another one to approve.)

• 2016年02月01日: Post deletion is now included in the heartbeat, and will trigger a popover message indicating that the post has been deleted while you're viewing it. The flag dialog will also prevent you from opening it if the post's state has changed (deleted or closed) since you loaded the page.

January 2016

• 2016年01月20日: Spam and offensive flags on a post will be preserved when the post's author deletes it.

• 2016年01月19日: Moderators can now change the edit summary of revisions.

• 2016年01月18日: Chat room owners and moderators are now notified when a user is kicked.

• 2016年01月12日: Sidebar width has been standardized at 300 pixels on all sites.

• 2016年01月06日: Global authentication is replaced with Universal login, network wide. In a nutshell, it means that once you have an account in one site, all you need to do to login into another site is click "join this community", without re-entering any credentials.

Answer 7

December 2015

• 2015年12月23日: Question timeline (not moderator timeline) got a new design and features, e.g. showing who voted to close or reopen, and more.

• 2015年12月09日: Users with 10k reputation can now use the deleted:1 advanced search operator to search their own deleted posts.

November 2015

• 2015年11月09日: Comments auto-added from review queues now indicate as such.

October 2015

• 2015年10月28日: All posts reviewed will remain visible to their reviewers in the context of the relevant review task. "Skip" does not count as a review for this purpose.

• 2015年10月23日: It is now possible to filter your flag history by type: "links which can be used to easily see declined, disputed, helpful, etc outcomes of your flags".

• 2015年10月20日: More consistent "Flagged Posts" page: "The stats presented should now be consistent across all flag types, including waiting for review, disputed, declined, aged away, etc."

• 2015年10月13日: Rejected migrations now have an additional notice: "Votes, comments, and answers are locked due to the question being closed here, but it may be eligible for editing and reopening on the site where it originated." Example

• 2015年10月10日: New Help Center page for automatic deletion, linked from deletion banners: "This question was automatically deleted. Please see the help center for more information."

• 2015年10月08日: Dupehammer got a new design, and now applies to current tags rather than original tags, but is disabled if you edited the tags.

• 2015年10月05日: Automatic deletions by Community are now annotated with an indication of reason: one of RemoveMigrationStubs, RemoveDeadQuestions, RemoveAbandonedQuestions, and RemoveAbandonedClosed. Explanation of reasons.

September 2015

• 2015年09月29日: Bar for reputation for late answers to enter the review queue raised from 10 to 50.

• 2015年09月16日: Some metadata about deleted posts made available in Data Explorer.

• 2015年09月07日: New user privilege at 25K reputation: Access to Site Analytics

• 2015年09月02日: Tag badges can now be tracked by users that have not acquired all privileges.

July 2015

• 2015年07月22日: Image uploader automatically wraps images in a link to themselves.

June 2015

• 2015年06月16日: Checking the "community wiki" box when posting an answer now displays a confirmation dialog.

May 2015

• 2015年05月19日: Commenting on Meta Stack Exchange now requires 5 reputation.

• 2015年05月05日: "Inappropriate" flag option for posts renamed again, now it is "rude or abusive".

April 2015

• 2015年04月22日: Flag dialog has been reworded for both questions and answers. Closing categories are now stated on the primary screen; "offensive" renamed as "inappropriate".

• 2015年04月20日: Questions deleted as spam/inappropriate now have the body and title hidden from view (example), as was previously done for answers. For users under 10K, the "not found" page no longer contains suggestions for search. Also, there is no slug in the URL for such posts.

• 2015年04月15日: New profile pages have been launched on most Stack Exchange sites. These feature separate "Profile" and "Activity" sub-pages. See, also, the blog entry: Two new user pages. One new stat. This one’s big..

• 2015年04月08日: Moderators able to manually ban users from suggesting edits.

March 2015

• 2015年03月23日: Criteria for making an entry in post revision history have changed. Question edit grace period ends once an answer has been posted, and any post's grace period ends when someone other than the poster adds a comment. Rollbacks and edits of rollbacks now always create entries in the revision history.

• 2015年03月20日: All questions flagged Very Low Quality now immediately enter Triage instead of Low Quality review queue at Stack Overflow. And while these questions are being triaged, they're not shown on the home page.

• 2015年03月09日: Clarify to the OP that their question is not yet closed and the duplicates are only suggestions. Asker is presented with options: "That solved my problem! / No, my question is different. I will edit to explain how". The first option causes the Community user to immediately close the question as a duplicate; the second option presents the editing screen. (Announcement)

• 2015年03月05日: The Help & Improvement review queue introduced for testing at Stack Overflow.

• 2015年03月02日: Modernized close vote and close flag aging logic. Aging votes and flags starts after 14 days, regardless of view count. Allowed re-casting votes and flags that've aged away after 14 days. Triage review (currently Stack Overflow only) instantly disputes flags if the consensus is not "unsalvageable". This would go into effect for current and future votes.

February 2015

• 2015年02月23日: New "User Activity" page has been launched on MSE, seeking feedback from the community before applying it network wide.

• 2015年02月13日: Review page on main sites now links to reviews on meta site.

• 2015年02月07日: Questions that are too old to migrate (60+ days) are now explicitly stated as being too old when attempting suggest migration through flagging.

• 2015年02月03日: When opening the flagging box, if a flag was cast previously, now the system accurately identifies which kind of flag the user previously cast.

January 2015

• 2015年01月30日: Users can't vote to delete posts that are the target of duplicate(s). If a user (moderator or any other user) votes to delete a question that has duplicate questions linked to it, their vote won't go through and they would see a warning about why.

• 2015年01月28日: ML / Prediction data made available to users – a page that lets you see what our algorithms think, download the data, and disable the predictions if so desire.

• 2015年01月28日: Very Low Quality and Not An Answer flags do not enter the moderator queue for 15 minutes after they're raised. This applies network-wide, except on Stack Overflow, Mathematics, TeX, Salesforce and Stack Overflow em Português (where the delay is a full hour) and meta sites (where they enter the queue immediately).

• 2015年01月26日: When logged in to private beta, user can now choose between real name and display name when inviting a friend to join.

Answer 8

December 2019

• 2019年12月22日: Protected question notices are no longer shown to users who have enough reputation to answer, but not enough reputation to unprotect the question.

• 2019年12月20日: The period of time for closed questions to enter the reopen queue in response to an edit was increased from 5 days to 70 days.

• 2019年12月19日: "Migrated from" notices are now hidden if the question was migrated more than 60 days ago.

• 2019年12月15日: The confirmation dialog for protecting questions now uses a small Stacks design popup next to the button instead of a JS browser confirmation dialog.

• 2019年12月12日: Announcer, Booster, and Publicist badges are now awarded per individual post (question or answer) rather than counting clicks on shared links to answers toward the parent question.

• 2019年12月11日: It is now possible for moderators to prevent users from commenting on a specific post, without having to fully lock it.

• 2019年12月07日: The automatic comment when voting to close a question as a duplicate has been changed to say "Does this answer your question? [x]" instead of "Possible duplicate of [x]".

• 2019年12月06日: New Post Notices are live network-wide.

• 2019年12月03日: Close and reopen vote threshold lowered on Stack Overflow from 5 to 3.

November 2019

• 2019年11月13日: The reputation earned from upvotes on questions has been increased from 5 to 10.

• 2019年11月13日: The reopen vote confirmation dialog now uses a Stacks design popup rather than a JS browser confirmation dialog.

• 2019年11月12日: Support for Internet Explorer has officially been removed.

• 2019年11月11日: Stack Overflow now supports GitHub as a login method.

• 2019年11月04日: The topbar is scrollable on narrow viewports so all items can be displayed

October 2019

• 2019年10月24日: The Community user's avatar now has a transparent background.

• 2019年10月04日: The redirect domain for rewritten Amazon links (rads.stackoverflow.com) no longer adds Stack Exchange's affiliate referral code.

• 2019年10月02日: Stack Exchange "do intend to display animated ads", though 'jarring' and 'wiggling' ads remain forbidden.

September 2019

• 2019年09月26日: The auto-response acknowledgement email sent when submitting a support request via the contact form was disabled because spammers and trolls were abusing it. Additionally, it now has a CAPTCHA attached to it.

August 2019

• 2019年08月29日: New sharing option named "DEV" added on Stack Overflow.

• 2019年08月16日: New mod-menu design rolling out.

• 2019年08月15日: Posts are no longer automatically downvoted as a result of helpful "low quality" autoflags.

• 2019年08月13日: It is possible to retract comment flags.

• 2019年08月09日: The "Featured" tab on the homepage, which contained a list of questions with bounties, was renamed to "Bountied".

• 2019年08月01日: The 29 Beta sites that are 7+ years old no longer have the "Beta" label. They will retain beta reputation levels.

July 2019

• 2019年07月31日: Stack Exchange employees (users with the staff bit on their account) are now given a special "Staff" marker in their user profile description. Additionally, the old "moderator" user profile mark has a new style.

• 2019年07月25日: Users can now suggest edits to answers to locked questions.

• 2019年07月25日: Question statistics (the asking date, number of views, and last active date) now appear under the title before the line that separates the content, rather than in the sidebar.

• 2019年07月24日: The spam/abuse flag deletion thresholds on English Language & Usage and The Workplace were set back to 6 to match the rest of the network. (Previously, only three red flags were necessary to delete posts as spam or abusive on these sites.)

• 2019年07月24日: "Hot Meta Posts" was removed from Stack Overflow's sidebar.

• 2019年07月11日: Unread inbox notifications now use bold text and a darker background color to increase accessibility. The text color of the search box was also made brighter.

• 2019年07月01日: The release of Custom Filters (formerly known as Custom Question Lists) for building more tailored views of questions around your specific needs as well as the ability to save those lists for quick access later.

• 2019-07-??: Images inside a post that has been deleted through spam or offensive flags are now automatically deleted.

June 2019

• 2019年06月27日: Moderator Flag Dashboard soft launch.

• 2019年06月18日: The Reversal and Tumbleweed badges were retired. "Lifejacket" and "Lifeboat" take their place. Also, there is a new section in the /badges page of each site that lists all retired badges for that site: these two and Analytical, as well as the three retired Documentation badges on Stack Overflow.

• 2019年06月04日: Migrations are no longer marked "rejected" if the stub on the original site has been deleted (migration stubs are automatically deleted after 30 days), or as a result of the migrated (destination) question's deletion if it was closed as a duplicate before being deleted.

May 2019

• 2019年05月21日: Started testing advertisements across the network, and animated ads are in action

• 2019年05月21日: The HTML <title> for a user's flag summary now has a new wording of "Flags raised by [user]" instead of "Flagged Posts for [user]".

• 2019年05月20日: Questions must now be at least eight hours old before they can be added to the HNQ list.

• 2019年05月20日: The Interpersonal Skills site returned to Hot Network Questions, contributing up to one question at a time.

• 2019年05月16日: Twitter oneboxing in chat, as well as oneboxing for a number of other sites, was disabled for security reasons.

• 2019年05月06日: Number of questions are now shown with Custom Questions List.

April 2019

• 2019年04月10日: Moderator messages templates no longer contain "I". They contain "we" instead, since the signature at the end is "${SITENAME} moderator team".

March 2019

• 2019年03月22日: The Ask Question Wizard is now live on Stack Overflow.

• 2019年03月11日: Massive changes made to Hot Network Questions:

  • Questions cannot appear on the list for more than 72 hours, from the time they are selected.
  • Each site is limited to contributing up to five questions at a time to the list, with the possibility of site-specific overrides.
  • Logged-in users now have a user preference to hide the Hot Network Questions list network wide. (not on per-site basis at this point)
  • Stack Exchange employees now have the ability to customize title blacklists on a per-site basis (in addition to a shared network-wide blacklist).
  • Moderators have the ability to remove a question from the list after it gets selected.

February 2019

• 2019年02月28日: There is now a revision history item when a question is selected for Hot Network Questions. (This only applies to questions that are selected after the change was made; it was not added retroactively to questions selected before the change.)

• 2019年02月23日: Voting to close and reopen posts on private beta sites now officially requires 15 reputation. (This had previously existed, but was a side effect of a bug; as of this date, this was made into an intentional design change.)

• 2019年02月08日: The last-bump days threshold to allow re-bumping was modified again. Now, questions bumped by the Community user are not eligible to be bumped again for a period of 120 days, unless some other activity happened after the previous bump. Note that the previous rule that bumping questions with activity in the last 30 days is still in force.

January 2019

• 2019年01月31日: The comment delete button now shows as the word "Delete" rather than an "X" icon.

• 2019年01月28日: The user flag summary now has a notice to indicate what flagging means. Additionally, the URL now supports the current parameter, to provide a universal link to one's own flag summary (previously, the URL required the current user's ID).

• 2019年01月23日: Users can now choose which one site to earn the Census badge on (from a subset of technical sites) after completing the Developer Survey instead of earning it solely on Stack Overflow.

• 2019年01月14日: On sites with MathJax enabled, the effect of \newcommand and similar directives is now scoped to individual posts and comments rather than the entire page. (Bug report on Math.SE's meta)

• 2019年01月09日: Auto upvotes on close vote comments don't count towards the daily limit anymore.

• 2019年01月08日: Triple backtick markdown (code fences) has been implemented.

• 2019年01月08日: Questions bumped by the Community user cannot be re-bumped for a period of 90 days.

• Monica Cellio: Re Census -- after? I don't recall seeing an option to choose a site, only whether to claim the badge. Doesn't it depend on which site you entered from?
• Sonic the Anonymous Hedgehog: @MonicaCellio After filling in the survey, you see two buttons: a big blue button to get the badge on Stack Overflow, and a smaller button right beside it to choose a site. If you click on the latter button, you are given a list of sites to choose from.
• Sonic the Anonymous Hedgehog: @ShadowTheCurlyBracedWizard Worth mentioning that at the time I made the edit, the Documentation badges were showing up on all sites. (That appears to have been a bug that has been fixed.)
• user152859: @Sonic since they never appeared on non-SO sites to begin with yes, that was an obvious bug.
• Rakete1111: SO has a Products button next to the search bar, I believe it's pretty new since I never noticed it before today. When was it added?
• Pimgd: When were the Asked, Active and Views elements of a question moved to be directly under the question title?
• gnat: @Pimgd it probably happened today, in last few hours. I checked Wayback Machine and stumbled on an example page captured today which clearly shows them placed in the old way, at the right side. When I go to origin page it shows them now differently, at the top
• Andrew Leach: Why were the question statistics moved? That information is not important enough to be where it is now.
• Luuklag: There is an activity indicator on saved filters now.
• gnat: @Sonic your reason for rollback in rev 83 doesn't really apply, because announcement text clearly says that change is permanent: "our goal is to release these network-wide, and to completely remove the old notices from the system". Wording of change description here somewhat obscured that though, it possibly should be phrased better
• fedorqui 'SO stop harming': Maybe it's time to start the 2020 answer... I won't be doing it, I once did and got a bit tired of all the pings for answer edition :)
• This_is_NOT_a_forum: It is not clear what "Stacks design" is. Is it the design system? Perhaps link to it (whatever it is)?

Answer 9

June 2011

• 2011年06月26日: the old edit summary text is now brought up in some circumstances, including during follow-up edits within the 5 minutes grace period.

• 2011年06月24日: Moderators can now see deleted comments.

• 2011年06月23日: The auto-award period of bounties has been extended 24 hours past the true end of the bounty.

• 2011年06月21日: (Date approximate) Anchored links to the FAQ, e.g. https://stackoverflow.com/faq#bounty, now highlight the specific FAQ entry at the top of the page.

• 2011年06月20日: New bounty tab on user profiles.

• 2011年06月15日: The "subjective and argumentative" close reason has been replaced by "not constructive".

• 2011年06月14日: Suggested edits are now enabled for closed questions.

• 2011年06月10日: When adding a new comment to a post with many comments between two users in a short time, a link is provided to create a chat room to continue the conversation.

• 2011年06月10日: Questions on a few sites (German, Japanese, Judaism) that appear to be written in a foreign language are excluded from the multicollider, the SE home page, SE 2.0 ads and SE tweets.

• 2011年06月09日: In addition to being favorited, tags can now also be ignored from the tag popup.

• 2011年06月07日: [tag:...] syntax works in comments, but is styled as a normal link instead of a tag.

• 2011年06月07日: Flag counts are now shown in the top bar, and the flag page is redesigned (10k users).

• 2011年06月07日: The accounts tab has a button to copy login credentials to all Stack Exchange accounts.

• 2011年06月06日: Greetings are removed automatically from questions and answers before they are posted.

• 2011年06月06日: A number of magic links are available for use in comments.

May 2011

• 2011年05月31日: More substantive edits are favored when 2 edits at the same time clash.

• 2011年05月17日: Flagging comments shows a popup with flag reasons, similar to flagging posts.

• 2011年05月16日: Similar Questions are now shown when composing a question, based on the question title, body and tags. This is similar to the "Related" questions in the side bar after posting the question.

• 2011年05月16日: When a bounty is started by the question owner and the owner accepts an answer during the bounty period, the full bounty will be awarded to that answer unless the owner explicitly gives it to another answer before the bounty expires.

• 2011年05月12日: Quality filters are now applied to questions. (Here are two 10K only links.)

• 2011年05月12日: Question downvotes are "free" to the downvoter and will not be subject to a -1 rep penalty. Downvotes to answers are unaffected and still "cost" 1 reputation to cast.

• 2011年05月09日: Vote counts on profile don't show votes cast on deleted posts anymore.

• 2011年05月09日: Vox populi badge added for those who used the new maximum 40 votes in a day.

• 2011年05月09日: Tag popup in the Favorite and Ignored tags sections on the homepage sidebar has been removed since the "X" moved inside of the tags themselves.

• 2011年05月08日: User profiles now separate vote counts based on post type (question/answer).

• 2011年05月07日: Images uploaded to SE sites now have i.stack.imgur.com as their URL domain.

• 2011年05月03日: In addition to the 30 general votes users can cast per day, there are now an additional 10 question-only votes.

April 2011

• 2011年04月29日: Users are limited to posting (削除) 70 (削除ここまで) 50 questions over the last 30 days.

• 2011年04月29日: New inline Markdown help, shown by default to new users.

• 2011年04月28日: Flagging Summary page shows valid/invalid flags count as history. Example

• 2011年04月28日: New suspensions might now publicly show a reason.

• 2011年04月27日: Some returning visitors from Google now get a welcome back and reminder to vote.

• 2011年04月27日: Tag sets were renamed to filters and improved by cleaning up the UI and allowing you to view only the sites that you have an account on and only your favorites.

• 2011年04月27日: At 200 rep, a review entry appears in the top menu.

• 2011年04月25日: You can now use the is: operator in the search box to specify if you want to search only in questions or only in answers.

• 2011年04月22日: You can now delete alternative OpenIDs at your profile.

• 2011年04月19日: Flag weight is now visible to all users.

• 2011年04月14日: Daily number of close votes on all Stack Exchange sites have been increased from 12 to 24, and 50 on Stack Overflow.

• 2011年04月14日: Questions closed as "not a real question" and "off topic" get an automatic downvote (excluding questions that get migrated elsewhere).

• 2011年04月11日: Questions with enough answers to push them into CW will have the new answer field replaced by an "Answer This Question" button, which asks the user to read through the existing answers first to make sure the new answer isn't a duplicate.

• 2011年04月10日: Migrated questions now show [migrated] instead of [closed].

• 2011年04月09日: New users (<100 reputation) can no longer answer their own question within 8 hours.

• 2011年04月08日: Votes that were undone (revoked within the undo window) are no longer locked in; one can now come back later to cast a new up/down vote.

• 2011年04月08日: New answerers (<100 reputation) get dynamic help when focusing the answer box.

• 2011年04月08日: The aggregate stackexchange.com profile has improvements from the course of several days. Details of its current capabilities are in the blog.

• 2011年04月07日: Posts deleted by a moderator now include a link to the FAQ, and can no longer be undeleted by a non-moderator.

• 2011年04月04日: The 404 page shows more specific error messages.

• 2011年04月04日: The aggregate stackexchange.com profile is now accessible from any of your user profiles.

• 2011年04月04日: Question up-vote rules now sync to meta and can only earn +5 instead of +10.

• 2011年04月03日: User's flair now got a separate tab on owner's profile.

• 2011年04月01日: The possibility to see downvotes exercised by other users in the redesigned reputation tab of their user profile has been removed again.

March 2011

• 2011年03月30日: When saving a post that was meanwhile edited by someone else, a warning is shown.

• 2011年03月29日: Clicking your flag weight (in your profile) now brings you to a summary of your flag history. See also: How to read the flagging summary?

• 2011年03月29日: Clicking the link button on posts now creates a popup from which the link can be copied, instead of being the link itself, after feedback on UI.SE.

• 2011年03月29日: searching Markdown source for URLs supported again, like by using url:"https://blog.stackoverflow.com/*".

• 2011年03月25日: The accounts tab on a user profile has been redesigned and now pulls the view from stackexchange.com. Accounts are now sorted by reputation in descending order.

• 2011年03月23日: If you flag a question as "does not belong" while you still have usable close votes, the flag will instead be converted into a vote to close.

• 2011年03月21日: The 6 character minimum length for suggested edits is a bit harder to fool.

• 2011年03月16日: Moderators can now remove community wiki status from a post.

• 2011年03月11日: The envelope in the header next your display name linking to recent activity has been changed into a dropdown menu that opens a popup overlay with information and links.

• 2011年03月11日: The tags page has been redesigned.

• 2011年03月10日: The flag weight can now go up to 750, with sub-linear growth beyond 500.

• 2011年03月10日: Auto-deletion of low score, zero answers questions has been extended a bit.

• 2011年03月10日: Micro-refinement to inbox, you are now notified if post author answers your comment, even if they forget the @, if you are the only person who has commented so far.

• 2011年03月10日: The user profile page has been reworked. The reputation tab has been reworked, and some tabs have been separated to the top of the page.

• 2011年03月09日: There is a new "responses" tab in your user profile that lists activity by others on your content.

• 2011年03月07日: You can now manually specify the language used in code snippets that will be passed to Prettify after saving the post.

• 2011年03月01日: The users page has been redesigned and now hosts user leagues.

• 2011年03月01日: When browsing with a mobile device, you get a rudimentary, "slimmed down, minimalistic" CSS theme. This overrides per-site themes.

February 2011

• 2011年02月25日: The log out link can now be found by going to your user page.

• 2011年02月25日: Automatic titles of internal links are now also shown in the preview.

• 2011年02月22日: Requirements for achieving the Strunk & White and Copy Editor badges have changed. Now it only counts how many revisions are made, not individual title or body changes. Each requires 80 and 500 revisions respectively.

• 2011年02月22日: Outspoken badge introduced.

• 2011年02月22日: Users can now see their own flag weight on their profile page when it is sufficiently high or low. This value is also visible to moderators.

• 2011年02月21日: You can now embed ads for Area 51 proposals to help support and promote proposals and beta sites.

• 2011年02月21日: A user's flag weight is now considered in adjusting the number of moderator flags a user gets each day. The details can be found here.

• 2011年02月20日: Marking inline code with backticks ` now works almost the same in comments as in questions and answers, and bold & italic is now also possible in comments.

• 2011年02月18日: ANY active mod flag suppresses items from /review, prior to this only YOUR flags were suppressed for YOU. (reference)

• 2011年02月17日: /review pages now present posts in random order, to "get more eyeballs on more posts".

• 2011年02月11日: Stack Exchange API 1.1, and improved App Gallery.

• 2011年02月10日: Vote to delete answers implemented and available to 20K users. Answer must be -1 or lower and needs 3 votes. Vote to delete questions not time limited for 20K users. Again 3 votes required.

• 2011年02月09日: Migration now does tag checks. During migration, tags will be checked (and replaced if found) for tag synonyms on the destination site. Tags that do not exist on the destination site will be stripped from the question. If the previous steps leave a question with no remaining tags, it will be closed as off-topic on the original site and not migrated, unless it had only one tag that also is a "global tag" on the destination site (e.g. latex questions can be migrated to TeX.se and will be untagged).

• 2011年02月09日: Flagging for moderator attention now counts for the Citizen Patrol badge. This change applies retroactively.

• 2011年02月09日: Privilege changes: Create tags has been raised from 150 to 300. Retag has been raised from 200 to 500. A new 5k privilege to approve or reject tag wiki edits has been added. A new 15k privilege to protect a question has been added. The question must be older than a day. You can also un-protect a question you protected, but not one that has been protected by someone else. The requirements for editing a tag wiki have been simplified to a 20k rep privilege.

• 2011年02月08日: The Stack Exchange Data Explorer now allows you to view and download query execution plans.

• 2011年02月07日: The Markdown preview area now renders embedded tags (the kind created with[tag:tags] syntax).

• 2011年02月06日: The "all sites" tab in the global inbox is now sorted by your reputation, if above 200.

• 2011年02月02日: Moderators can now send private messages to users, through the website. The addressees will see a top-bar notification, and can reply to the moderators.

• 2011年02月02日: Comments get an inline drop-down mini-help.

• 2011年02月02日: The queue of suggested edits is now visible for 10k users.

• 2011年02月02日: When a suggested edit is approved, the user who suggested it gets +2 reputation.

January 2011

• 2011年01月30日: After testing and tweaking, low reputation users can now suggest edits, to be approved by peer review. Edits suggested by unregistered users show as made by Community. People who suggest edits can earn up to 1000 reputation, 2 for each approved edit.

• 2011年01月27日: Area 51 gets an updated design, proposal categories, and a discussion zone. A51 posts are now oneboxed in chat.

• 2011年01月27日: Stack Exchange now uses Lucene instead of SQL Fulltext for search, related questions, and the 'similar questions' in Ask a Question. Option infavorites is no longer supported, some search keys like intitle have changed names, and a new option body is introduced. See the help on the /search pages.

• 2011年01月21日: The three-character requirement for comment @replies has been relaxed for the first word. Like @Jo will now notify Jo Miller, but not John.

• 2011年01月20日: The main list of rooms in chat now displays the global inbox (AKA StackExchangeTM MultiCollider SuperDropdownTM).

• 2011年01月18日: Sort option "oldest" is back, replacing "newest."

• 2011年01月14日: Tag pop-ups now lists "Followers" which is equal to the number of people who have favorited (marked as interesting) the tag and the number of email subscribers. Subscribing to RSS is not tracked.

• 2011年01月13日: Flag dialog improved. Its "flag for moderator attention" option now provides several default reasons, where appropriate: "not an answer", "low quality" and "should be CW". It allows for longer messages to a moderator. The daily maximum number of flags has been increased. And if a particular user keeps moderator flagging for reasons that are considered invalid, their flag weight decreases. And for those users who continually flag reliably, their flag weight increases.

• 2011年01月11日: Twitter question feeds to publish the most interesting questions on each Stack Exchange site (but not the SOFU trilogy) every three hours. Like: twitter.com/StackProgrammer.

• 2011年01月11日: Authors can now only delete their question if it has zero answers, or only one answer with zero score. In all other cases, voting or flagging is required.

• 2011年01月08日: The "flags" tab in 10k tools was improved; it now shows comment flags in addition to spam/offensive flags, and lets users display the entire post and add their own flag directly from the flags tab. It also preserves the other mod tool tabs.

• 2011年01月08日: When hovering over any tag (like this one: stackoverflow) a pop-up will appear. From this you can subscribe to email notifications, add the tag to your RSS reader and view the tag wiki excerpt. Where no tag wiki is available an invitation to create the tag wiki appears. The pop-up also includes links to the FAQ, Info & Top Users pages for the tag.

• 2011年01月07日: Chat "whitelists" no longer allow specified users to talk regardless of their rep.

• 2011年01月07日: Moderators can now convert answers into comments.

• 2011年01月07日: The vote-to-close panel now has a more prominent close button (for closing the panel itself, not for voting).

• 2011年01月06日: New "faq" tab added to the /questions page, displacing the "hot" tab (but not removing "hot" functionality).

• 2011年01月06日: Comments now support inserting links containing parentheses e.g. [foo](http://msdn.microsoft.com/en-us/library/ms535874(VS.85).aspx)

• 2011年01月03日: Page footers now indicate when a new post has been made to the SO blog.

Answer 10

November 2017

• 2017年11月16日: The new top bar is now live on stackexchange.com

• 2017年11月13日: All Website fields and links in the "About Me" network profile sections are now unlinked on stackexchange.com. (For all users regardless of their reputation on any site)

October 2017

• 2017年10月28日: Controversial Post notice is now live on The Workplace and Interpersonal Skills. If it proves effective, it can be added to other sites as-needed.

• 2017年10月23日: New users can now include up to 8 links in their posts. Previously, the limit was 2. (For Skeptics, the limit was, and will remain, 50 links.)

• 2017年10月10日: The new top bar is now live on all sites (but not stackexchange.com, chat, or Area 51).

• 2017年10月09日: The aging time for spam and "rude or abusive" flags was changed from two to four days.

August 2017

• 2017年08月30日: Moderators Review Ban page now includes a new tab showing historical list of users who have been review banned.

• 2017年08月25日: Account deletion process has been drastically simplified.

• 2017年08月08日: The maximum length of a tag has been raised from 25 to 35 characters.

• 2017年08月04日: New footer has been pushed to all sites after several months being in Stack Overflow only. Its main focus is to show links to both Stack Overflow the company and Stack Exchange the network of communities in clear way.

July 2017

• 2017年07月27日: New Email Settings feature has been implemented, allowing better control over what types of emails users get from Stack Exchange.

• 2017年07月21日: When a post can't be edited, the edit link remains clickable and displays an error popup when clicked, making it consistent with other elements e.g. vote arrows.

• 2017年07月14日: Comments flag dialog has been redesigned, flag reasons changed/merged.

May 2017

• 2017年05月16日: Official Stack Overflow mobile app is launched for iOS and Android.

• 2017年05月13日: Suggested edits on Stack Overflow now only require two approvals to complete.

April 2017

• 2017年04月22日: Post authors and diamond moderators can override outcome of a suggested edit (once).

• 2017年04月12日: The earliest year of birth for calculating a user's age has been reduced from 1920 to 1870.

• 2017年04月06日: Links to suggested edits rejected as spam or vandalism will result in fake 404 errors if not logged in.

• 2017年04月03日: Question closure ends the grace period for edits.

March 2017

• 2017年03月07日: On site main pages, the question preview shown on hovering over a title has been removed because of server load.

• 2017年03月03日: At Stack Overflow 4 Recommend Delete & Delete votes dequeue a post from Low Quality Review Queue instead of network-wide 6.

• 2017年03月03日: Gold-badge holders and moderators can now edit duplicate links.

• 2017年03月01日: Blog Overflow is officially discontinued.

February 2017

• 2017年02月28日: Authors of answers to deleted questions can now also view them.

• 2017年02月16日: Question quality blocks are enabled everywhere

• 2017年02月14日: New design for the Top Navigation bar has been rolled out on Stack Overflow.

• 2017年02月13日: PostNotices and PostNoticeTypes tables are now available to query in SEDE. (e.g. can see bounty reason comment.)

Unknown during 2017

• New feature work on the Android and iOS official apps has pretty much been frozen and the developers have been re-assigned to different teams. The apps are still functional, and critical bugs should still be fixed though.

• Some time after September 2017, Stack Exchange stopped uploading DMCA takedown notices to Lumen Database (formerly called Chilling Effects). This is because the owners of Lumen Database removed the online upload form, and it's too much of a burden to send them via fax or mail instead. The last such complaint was uploaded on September 21, 2017.

Answer 11

December 2020

• 2020年12月16日: In chat, moderators now have a diamond next to their name on chat messages, and their name is now italicized, whereas previously, their name was merely written in blue with no formatting.

• 2020年12月07日: All sites across Stack Exchange are now able to use tables.

• 2020年12月02日: Moderators on any Stack Exchange site must be at least 18 years of age. There is now a line of text on moderator election pages to indicate this, and moderators are asked to acknowledge that they meet the age requirement when they sign the moderator agreement.

November 2020

• 2020年11月17日: Question closed notifications for the OP and followers of the question.

• 2020年11月02日: Dark Mode goes live on non-English Stack Overflow sites.

September 2020

• 2020年09月02日: Questions migrated to meta are not rejected when closed.

August 2020

• 2020年08月27日: New post formatting is live.

• 2020年08月27日: Hot Meta Posts have got question history entry and moderator option for removal. Removal immediately refreshes the cache for the Community Bulletin for the parent site.

• 2020年08月12日: All status- tags block questions from getting to "Hot Meta Posts" (and not only status-completed as it was before).

• 2020年08月12日: "Hot Meta Posts" was restored to Stack Overflow's sidebar.

• 2020年08月04日: The logic for when immediate account self-deletions are allowed has been changed. Once a user has posted anything on the site (even if they subsequently delete the post), they will no longer be afforded the immediate account deletion option and will have to go through the same 24-hour deletion process as everyone else.

July 2020

• 2020年07月23日: The review dropdown now lets the review suspended user know about their review suspension, and it directs them to the /review page where a more detailed notice is available.

• 2020年07月22日: Post notices do not show to askers the usernames of close voters anymore. This includes askers with the close/reopen vote privilege. Names of close voters can be found in question timeline and revisions.

June 2020

• 2020年06月30日: Switch to CommonMark markdown.

• 2020年06月17日: Dark mode launch on Stack Overflow.

• 2020年06月17日: "Thank you" reaction is being tested on Stack Overflow.

• 2020年06月16日: Large Edit/Improve and Delete buttons are now shown on the closed notice of closed questions.

• 2020年06月11日: "Following" tab added to the user profile.

• 2020年06月11日: New policy lock feature introduced on meta sites: can only be applied by staff members with moderator access, and prevents posts from being edited by non-staff members (including community-elected moderators).

May 2020

• 2020年05月07日: The Favorites feature has been renamed to Bookmarks.

April 2020

• 2020年04月27日: Pro-Tempore Moderator Council - a group of 11 moderators from around the network who will act as a pro-tem council over the next six months with the task of working to define the scope and structure of the council.

• 2020年04月23日: Mod-only product-discovery tag on all Meta sites will be used by staff when sharing concepts in the Discovery phase relating to product or configuration changes.

• Some days before 2020年04月17日: Changes to the question-closing workflow were rolled out.

• 2020年04月01日: The last active time is now shown on questions with no answers.

March 2020

• 2020年03月29日: The new follow functionality that was previously announced has now been enabled network wide. It is now possible to follow both questions and answers in order to be notified of new answers, edits, comments and notices.

• 2020年03月24日: It is now possible to report ads on five sites.

• 2020年03月11日: The section for company blog posts in the community bulletin sidebar block is now titled "The Overflow Blog" instead of just "Blog".

• 2020年03月09日: The display format of quote markup now no longer includes a colored background, only a vertical line on the left side of the quote.

• 2020年03月03日: The new asking experience, which provides personalized advice to users asking questions as to relevant guidelines, has rolled out after a beta testing period on international sites.

• 2020年03月03日: Switch to a licensing scheme where content is distributed under the terms of CC BY-SA either 3.0 or 4.0 depending on whether it was created before or after 2018年05月02日 (UTC).

• Throughout March 2020: Changes continue to be made to site styling and colors to more closely align with Stacks guidelines and remove outdated or hardcoded CSS. The specific changes are too numerous to list.

February 2020

• 2020年02月27日: Bounty notices now support double line (paragraph) breaks.

• 2020年02月26日: The number of featured Meta Stack Exchange posts that appear in the Community Bulletin sidebar on main Q&A sites was temporarily increased to three from two.

• 2020年02月26日: There is now a new dialog explaining the close voting privilege shown to users who have just earned closing and reopening privileges (except on per-site metas and international sites).

• 2020年02月04日: The pending suggested edit notice shown to users who suggested an edit to a given post now shows as a proper notice, rather than as simple quote markup.

• 2020年02月04日: Users who are members of a Stack Overflow Team can no longer earn a network association bonus through reputation on the Team. Users who previously earned association bonuses through Teams participation and wouldn't qualify under the new rules can still keep it.

• 2020年02月03日: The "deleted recent questions" and "deleted recent answers" pages on one's own user profile now show posts deleted in the last 60 days, rather than only posts created in the last 60 days.

• 2020-02-??: When loading new active questions from the homepage using live refresh, questions that have since been deleted will show with a red background.

• Throughout February 2020: there have been various changes made to site styling and colors to remove hardcoded or outdated CSS and better align with the new Stacks guidelines. The individual changes made are too numerous to list.

January 2020

• 2020年01月28日: Full-width spaces and full-width middle dots are now allowed in usernames.

• 2020年01月20日: Expanded usercards are now working for all users, regardless of reputation. Also, the minimum content length for showing the card is now 6 characters instead of 28 characters.

• 2020年01月16日: The link to the post timeline is now shown to all users, not only moderators. Also, the "daily vote summary" entries in the timeline are now hidden from logged-out users, and not shown to logged-in users by default unless they specifically opt for it.

• 2020年01月13日: The mobile apps (both android and iOS) are declared as officially obsolete, and will not be getting any more builds, even for breaking bugs. This also applies to parts of the API that are used by the mobile apps but are not part of the public API.

• user152859: @Nick looks like a bug that was fixed, the list here is only of new features, or changes to existing features done on purpose, not of bug fixes.
• Nick is tired: @Shadow9 Ah, fair, it wasn't entirely clear if it was a new feature or a fix ^^"
• LShaver: I just noticed some changes to the user profile, but haven't seen anybody talking about it yet. "Tabs" at the top now look like colored bubbles, and there are icons now instead of the old "Q:" and "A:" in the list of posts.
• user152859: @LShaver part of major style overhaul, it's mentioned in the last bullet of March 2020. Unless it changes functionality, no need in another bullet. :)
• LShaver: @ShadowWizardisEarForYou thanks. Is there a meta post anywhere about these style changes?
• user152859: @LShaver nothing official was posted but you can keep track of the bug reports in this list.
• User that hates AI: @Sonic are you certain? My user profile is still saying "favorites" and the announcement for following posts says that it'll be in a future release.
• gnat: @Shadow changes like I recently added are recorded here for Stak Overflow and Programmers, please consider recovering a record for Workplace as well. I think that it would be useful to record such changes for all other sites listed here because, if you think of it, this is more of the interest to outside users than for those who already are registered at respective sites and can't even observe such posting restrictions
• user152859: @gnat what such specific site changes are recorded already here? Any examples?
• user152859: @gnat that's very old... Still don't think we should add a new entry for every site that decides to block unregistered users, but won't fight over it. Maybe ask in Tavern for another opinion? (e.g. Journeyman.)
• This_is_NOT_a_forum: Today I noticed SEDE no longer always requires a login (now somewhat integrated with the normal login system). Possibly related (2020年08月24日 / 2020年08月27日): Stack Exchange Data Explorer Login is Changing . I expected to find the information in this list.
• Sebastian Simon: @ShadowWizardisVaccinating Yep, I also just had to replace .post-menu by .js-post-menu in one of my userscripts...
• Makyen: @EvgenKo423 The use of :~:text= in links doesn't work in SE posts, so it's better not to use them (they do work in comments). Which part of "Please only use inline links" wasn't clear (i.e. you chose not to follow that guideline; why?)?
• EvgenKo423: @ShadowWizard Help Center is a feature and new group of articles is a change to it which "have some global impact".
• EvgenKo423: @ShadowWizard "Full-width spaces and full-width middle dots" is hardly a feature widespread in narrow circles. "Switch to a licensing scheme" is not a feature whatsoever (don't understand why people are so obsessed about it). "The section for company blog posts [...] is now titled "The Overflow Blog" instead of just "Blog""... Etc., etc., but whatever...

Answer 12

December 2018

• 2018年12月14日: Any validated "rude or abusive" flags on a post will make that post ineligible for use as a "known-bad" audit in the Triage and Low Quality Posts review queues. Additionally, only posts that were deleted by the system in response to spam flags are used as known-spam audits, instead of those with just one validated spam flag.

• 2018年12月07日: The new responsive design was rolled out to all SE sites except Area 51 and its Discussions site.

November 2018

• 2018年11月21日: Meta Stack Exchange now has its own set of moderators.

• 2018年11月01日: Support for the Internet Explorer browser has been reduced. Internet Explorer 10 is officially listed as no longer supported, and Internet Explorer 11 support will be discontinued if a new feature is released that cannot be made to work properly with it.

October 2018

• 2018年10月31日: The link insertion and image upload UI have been revamped to show within the editor, rather than as popups; this allows for responsive design.

• 2018年10月26日: As part of the discontinuation of OpenID, stackexchange.com and Area 51 no longer have their own login flow, and their previous login page now redirects to Meta Stack Exchange login.

• 2018年10月17日: The Interpersonal Skills site was excluded from Hot Network Questions.

September 2018

• 2018年09月20日: The new responsive design has been rolled out to all beta and graduated sites without a custom design.

• 2018年09月08日: Relative links within posts now work properly with the Linked sidebar.

• unknown: Some red and yellow warnings when asking a question are now shown below the respective input field instead of as a pop-up message.

August 2018

• 2018年08月22日: New contributor indicator live across the network.

• 2018年08月17日: Design change - all links in posts and comments are now underlined on sites with responsive design.

• 2018年08月10日: New (registered) users can flag comments on their own posts (network wide).

• 2018年08月07日: Updated comment flagging with two options instead of old one "rude or abusive".

• 2018年08月07日: New Code of Conduct is going into effect across the network.

• 2018年08月07日: The "not relevant" comment flag was renamed back to "no longer needed".

July 2018

• 2018年07月31日: Comment flags dialog changed: "not relevant" wording is used instead of "no longer needed". The dialog and submission acknowledgement prompt also adopted new styles.

• 2018年07月26日: New (registered) users can flag comments on their own posts on Stack Overflow.

• 2018年07月25日: Moderators can see the flagger and timestamp for comment flags.

• 2018年07月25日: Support for OpenID ended.

• 2018年07月18日: Commenting UI changed to make flagging more discoverable by having the comment flag and comment up-vote icons always visible, rather than visible only on hover.

• 2018年07月13日: On main sites, negatively-scored, non-closed questions with positively-scored answers are no longer deleted upon user deletion.

• 2018年07月12日: The moderator-only post issue indicator has a new design that is smaller and uses icons.

• 2018年07月11日: The top bar's sticky behavior has been rolled out to all network sites except Ask Ubuntu (due to clashes with the Ubuntu top bar).

• 2018年07月05日: Favorite Tags renamed Watched Tags on Stack Overflow, Meta Stack Overflow, and Meta Stack Exchange. Will be rolled to all sites at a later date.

• 2018年07月04日: The algorithm for calculating the overall Stack Exchange reputation for Stack Exchange chat was changed to prevent users from simply signing up for 20 Stack Exchange accounts to gain enough rep to chat.

June 2018

• 2018年06月13日: Closing a question with active VLQ flag doesn't trigger an automatic Community downvote anymore.

• 2018年06月07日: The "activity" tab of a user now has headings indicating the year.

• 2018年06月05日: Meta Stack Exchange posts with the featured tag no longer need to be less than two weeks old to appear in the Community Bulletin yellow sidebar on all sites.

• 2018年06月01日: Display name of a deleted user is now anonymized on close/delete banners.

May 2018

• 2018年05月25日?: Everything related to age and birth dates was removed from the system, including the profile field, what users entered into it, as well as the corresponding fields in Stack Exchange Data Explorer, in order to comply with GDPR.

• Unknown during May 2018:

  • Cookie warnings were introduced to SE sites, to comply with GDPR rules.
  • A new feature was introduced to allow users to download all prediction data collected from them, as well as disable data collection entirely.

April 2018

• 2018年04月27日: The feature to allow <5 rep users to ask on the per-site meta about their own post was enabled on Stack Overflow.

February 2018

• 2018年02月20日: The mobile app is no longer advertised on the mobile site.

• 2018年02月14日: Post owners can no longer delete their own question if at least one of the answers has earned a bounty.

• 2018年02月13日: Bounty owners no longer get their bounties refunded on question deletion if the bounty awardee would get to keep it.

January 2018

• 2018年01月11日: The number of daily close votes on Meta Stack Exchange has been reduced from 50 to 24.

• 2018年01月03日: The word "hay" is no longer removed from the beginning of posts as a salutation.

• user152859: @user13107 it's a joke, right? Just do something and the account won't be deleted. What is the point of keeping an inactive account???
• user13107: @ShadowWizard what if people take a 2 year hiatus and return to SO. It can certainly happen.
• user152859: @user13107 so they create a new account. Nothing to keep in their old account anyway.
• user13107: @ShadowWizard Nothing to keep in their old account anyway Is that so, then I think I misunderstood. I wrongly thought that autodeletion will take place if there is no activity for 2 years (even if there is a lot of activity prior to those two years). It seems to me that the correct way to interprete this feature is - if there is no activity in your account (from the start) then it will be auto deleted.
• user152859: @user13107 big misunderstanding indeed. Read this answer for the full details.
• user152859: @Sonic the list here is for new features, not for bug fixes. Feel free to start a new "Recent bug fixes in Stack Exchange", but here such things do not fit.
• Sonic the Anonymous Hedgehog: @Shadow Please read this post's last bullet. The bug report was previously declined, so there is a feature request asking for it to be changed.
• Wrzlprmft: @SonictheInclusiveWerehog: The change in the tag warnings also exists on sites that are still running the old design, e.g., try [critique] on Graphic Design. I therefore assume that it is an independent thing.
• Sonic the Anonymous Hedgehog: @Wrzlprmft That's still the incorrect formatting for "unknown" dates; see the 2017 answer for the proper formatting.
• Wrzlprmft: @Sonic: I don’t see why it is mandatory to translate the formatting of those events to this case – which is different by nature. In those cases, some way of doing things trickled out, which is naturally fuzzy; here, there is a specific date, which is just unknown. I am pretty confident that the change happened in September (and if somebody knows better or more precise, they can edit to narrow it down – which is most likely going to happen anyway), thus putting it in the actual month is more useful for readers, since it is easier to locate, etc.
• Mari-Lou A Слава Україні: @gnat with all due respect don't you think drawing attention to Sonic and IPS is overkill? Shouldn't this post be concerned with the software that affects every website? Why not wait a week or two and see if IPS is reintroduced in the HNQ?
• gnat: @Mari-LouA this list is heavily used to answer questions about how system works and placing change descriptions here serves exactly this purpose, it has nothing to do with bringing attention
• Mari-Lou A Слава Україні: @gnat is its exclusion felt net-wide? Does it affect all users? IPS users can refer to their meta if they want answers. The OP says ...new features and various changes to Stack Overflow and the Stack Exchange network....* Not various changes to IPS
• gnat: @Mari-LouA yes it did, IPS was among top five sites at HNQ both by clicks and distribution so this change is definitely noticeable network wide (while we're at it, whole HNQ feature is meant to be network wide)
• Sonic the Anonymous Hedgehog: @Mari-LouA FYI the second answer on that post gnat linked says that it won't be restored until next year at a minimum.

Answer 13

December 2010

• 2010年12月31日: Questions migrated to another site now redirect clicks to the other site instead of staying on the current site.

• 2010年12月28日: Pagination and filtering of user activity now goes back all the way to the first activity.

• 2010年12月26日: After migration, question owners get a header message with migration details.

• 2010年12月18日: Label for code-button in WMD has changed from 101010 into { }.

• 2010年12月18日: Users can no longer enter titles that end with [closed].

• 2010年12月17日: Favorite tag now inferred based on questions that you have previously visited. Setting an interesting or ignored tag preference disables this feature.

• 2010年12月16日: programmers.stackexchange.com is out of beta.

• 2010年12月16日: Tag sets now support emailing you as new questions arrive in your tag set.

• 2010年12月16日: new /review page on all sites (eg. Stack Overflow, Mathematics) for tracking potential problem posts from new users. This uses some heuristics for detecting a bad answer.

• 2010年12月12日: To make the code highlighting work better, it now uses the question tags to guess what language is used in both the question and its answers. When no guess can be made, or on sites on which highlighting makes little sense (Super User, photo.stackexchange.com, ...) no highlighting will be used.

• 2010年12月12日: The Stack Exchange Data Explorer has moved to data.stackexchange.com.

• 2010年12月11日: New badges for posting in Meta sites: Quorum (bronze) for one post with score of 2 on meta, and Convention (silver) for 10 posts with score of 2 on meta.

• 2010年12月10日: User profiles now display the user's tag statistics (number of questions asked and answers given, along with total question score and total answer score) for each tag on the stats tab. Tooltip gives full details.

• 2010年12月09日: Page titles are now (conditionally) prefixed with the most important tag, for better SEO and to combat scrapers.

• 2010年12月08日: Close votes on the tools > close tab are now split according to close reason (exact duplicate, off topic, noise or pointless, too localized, etc.)

• 2010年12月08日: Off topic migration dialog now links to target site faq rather than site itself.

• 2010年12月08日: Comments are no longer pre-expanded after you've entered a single comment, you must re-click "add comment" each time.

• 2010年12月08日: "Self-instigated rep recalc" implemented, though well-hidden.

• 2010年12月05日: Sort option "oldest" for answers replaced by "active", to easily see what has changed.

• 2010年12月02日: Chat now displays a new messages icon next to the "Other rooms you're in" list when users receive replies in other rooms.

• 2010年12月02日: Spoiler text is now supported.

• 2010年12月02日: Talkative bronze badge for chat users.

November 2010

• 2010年11月24日: Mouseover of chat messages now highlights any replies to that message.

• 2010年11月13日: The "activity" tab of the user profile now gives the option to dynamically show the content of recently posted answers.

• 2010年11月09日: Questions are now sorted by "amount of interest" on the homepage rather than time of last activity. (Stack Overflow only.)

• 2010年11月08日: The frequency of the notification envelope lighting up has been toned down in favor of the global inbox.

• 2010年11月07日: Behavior of [tag:tags] on meta sites updated to refer to the parent site by default; new syntax introduced for a meta-site's own tags (source).

• 2010年11月07日: Support for the <kbd> tag re-enabled on Meta Stack Overflow.

• 2010年11月05日: Posting links to the very same site now automatically shows the title. So, just insert https://meta.stackexchange.com/questions/59445/whatever. to become Recent feature changes to Stack Exchange. (削除) The title is not shown in the preview, but inserted when the post is created or edited. (削除ここまで) The title is not updated when it changes, unless the post is edited. It does not work in comments, nor for links to other SOFU sites. Trailing punctuation marks such as a comma, dot or question mark (without URL parameters) to get a readable sentence work just fine.

• 2010年11月05日: Posting tags inside questions and answers now works. Example: instead of writing [`[tags]`](https://meta.stackexchange.com/questions/tagged/tags) to display [tags], users can now write [tag:tags] to display tags.

• 2010年11月03日: Official introduction of tag sets, including wildcard support.

• 2010年11月02日: Revival badge introduced.

• 2010年11月02日: Threshold for Pundit badge changed from "10 comments scoring 10+" to "10 comments scoring 5+".

October 2010

• 2010年10月30日: Consecutive-days-tracking calendar added to non-public user profiles.

• 2010年10月19日: Tweak thresholds for Announcer, Booster, and Publicist badges.

• 2010年10月19日: Suffrage and Sportsmanship badges introduced.

• 2010年10月16日: The reputation score on top of each page and on the user page links to the /privileges page (click the numbers).

• 2010年10月14日: Close reason for "migrate to other site" becomes a sub-option for Off-topic.

• 2010年10月14日: Questions can no longer be turned community wiki by non-moderators.

• 2010年10月13日: Bounty events are now added to revision history.

• 2010年10月08日: "search all sites" option has been added to stackexchange.com. (Using Google custom search)

• 2010年10月01日: A "you have gained power" page has been created. It was announced in chat.

• 2010年10月01日: The "Tag Statistics" page link has moved, to stackoverflow.com/tags/<tag>/topusers.

• 2010年10月01日: Automatically-saving drafts for answers.

September 2010

• 2010年09月29日: New users (<10 rep) get a mandatory advice page when they want to ask a question. (Stack Overflow only.)

• 2010年09月22日: Image-based flair now available.

• 2010年09月14日: To ensure that @name replies work, and to not expose part of the OpenID identifier, user names are no longer defaulted to the OpenID name, but to userxxx.

• 2010年09月07日: Bronze tag badges (for earning 100 non-CW upvotes in a tag) introduced. The Announcer, Booster and Publicist badges (for sharing links to questions, which can be tracked now) introduced.

• 2010年09月06日: Hitting Enter now submits comments.

• 2010年09月06日: The title and tags field of the Ask Question page can be pre-populated by specifying the title and/or tags query parameters, like /questions/ask?title=Some+title&tags=tag1+tag2

• 2010年09月01日: New badge, Tag Editor (for first Tag Wiki edit) introduced.

August 2010

• 2010年08月24日: Support for shorter URLs, like stackoverflow.com/q/1732348.

• 2010年08月17日: hot questions formula has been tweaked: Succeeding questions from the same site are penalized by increasing amounts. Community wiki questions are penalized. The benefit of many answers is capped at 10, and we only look at the score of the top 3 answers. We only degrade based on question age, and not the last update date on a question.

• 2010年08月13日: An image-upload capability has been added, accessible through the image option in the toolbar.

• 2010年08月10日: Questions from IP addresses or accounts with a history of extremely poor questions are no longer being accepted. Votes on questions are taken into account, and this yields a permanent IP ban, showing "Sorry, we are no longer accepting questions from this account".

• 2010年08月06日: subjective (and other meta-tags) are now banned.

• 2010年08月03日: Searching within favorites is now included in advanced search.

July 2010

• 2010年07月22日: "Info" tab of tags, including a tag wiki and a tag synonym proposal system implemented.

• 2010年07月17日: New user preference: I don't want notifications of activity on questions I've favorited (to disable the notification that was introduced 2010年05月31日).

• 2010年07月09日: New badges for bounties (Promoter, Benefactor, Investor, Altruist) and a gold-level editor badge (Copy Editor) introduced. Additionally, the origins of badges are now recorded, and visible through clicking on a badge on the Badges page or a user's profile.

• 2010年07月09日: Bounty award tooltips now display the number of bounties awarded and who awarded them.

June 2010

• 2010年06月23日: Using the browser's Back button towards the user page, now scrolls that page back to where it was.

• 2010年06月22日: Your profile now tracks how many days you have visited the site, and how many consecutive days. This is visible only to yourself and to diamond mods. No more worrying about whether you've missed a day!

• 2010年06月21日: Timeline view for revision history introduced. It has since been rolled out system-wide. (date is approximate)

• 2010年06月19日: Complete overhaul of the bounty system. Any user with sufficient reputation can start a bounty on any question. A question may have multiple bounties, though only one active bounty is allowed at any given time. Bounty awards are no longer tied to accepted answer in any way. But the system no longer tosses in +50 bonus reputation to a bounty. (More rules.)

• 2010年06月13日: SEDE, Stack Exchange Data Explorer, which for SO also "can be used as a permanently linkable tool for teaching general SQL and relational database concepts — we can be our own Northwind or Pubs database, when answering questions tagged [sql]". (Since December 2010, its URL is data.stackexchange.com.)

• 2010年06月11日: User profile is Markdown enabled.

• 2010年06月09日: Merged questions are no longer utterly annihilated. A stub is left, just like with closing, and the revision list for the target question keeps better details on merges.

• 2010年06月07日: Protected question feature has been added so that 1 rep users can't post/spam on questions with a high search engine ranking.

• 2010年06月05日: Reset post score to 0 on migration, if the score is negative. Automatic 301 Moved Permanently redirects for migrated, deleted questions, for users with < 10k reputation. Add noredirect=1 to avoid this.

• 2010年06月04日: Signatures and taglines are officially discouraged in the /faqs.

• 2010年06月03日: Shadows in popups. New mechanism for displaying and selecting questions when voting to close as a duplicate. Keyboard Esc can be used to close the windows.

• 2010年06月02日: The Super User FAQ now explicitly prohibits shopping or buying recommendations.

• 2010年06月01日: Area 51 comes out of private beta.

May 2010

• 2010年05月31日: Notification (experimental) of activity in your favorite questions.

• 2010年05月30日: Implemented script that automatically deletes tags six months after they're created if they've only been used once; if necessary, this adds untagged.

• 2010年05月25日: Stricter rules for deleting closed questions.

• 2010年05月22日: New generalist badge.

• 2010年05月20日: To ensure @reply comments work, new usernames must be at least 3 characters.

• 2010年05月20日: New stackapps.com and Stack Exchange API public beta.

• 2010年05月19日: Automatic account association between the trilogy sites.

• 2010年05月15日: A FAQ on the Meta homepage. (Actually a dummy ad.)

• 2010年05月14日: Bugs and requests tabs on the homepage/Top Questions of Meta. (Which you could also do manually on other pages.)

• 2010年05月10日: Replying to @françois and @jørn can now also be done using @francois and @jorn.

• 2010年05月09日: Reputation report improved, now you can check rep-cap status from purely upvotes (reached) and upvotes + accepts (exceeded). Note that bounties are not included on any of that. And Epic/Legendary badges calculation based on exceeded.

• 2010年05月08日: Search now supports inquestion:this to limit the search to the current question (using the referrer as sent by your browser).

• 2010年05月08日: User profile character limit is now 3,000 characters (up from 2,000 characters).

• 2010年05月07日: @reply to editors of a post even if they haven't commented.

• 2010年05月07日: For new users, unlimited internal linking allowed (within the trilogy).

• 2010年05月07日: "Noise or pointless" added as the Meta equivalent of the "not a real question" close reason.

• 2010年05月05日: Option to "log out everywhere", if you are logged in through multiple computers, and would like to log out from everywhere at once.

• 2010年05月01日: Search now supports +apples +oranges to enforce including words in the results, and inquestion:48105 to limit results to some question.

April 2010

• 2010年04月30日: The vote-undo locked text was changed into a more specific "You last voted on this question / Mar 28 at 7:55 / Your vote is now locked in / unless this question is edited", hence also allowing you to see when you voted if your memory fails you.

• 2010年04月25日: A new "Linked" posts column on the right, above the existing "Related" posts. It's limited to 50 links, and ordered to put the "best" related links at the top (score, # answers, # views, answer scores).

• 2010年04月01日: Inline links in comments, [the Markdown way](http://example.com).

March 2010

• 2010年03月30日: Auto-comments when voting to close as duplicate, also auto-deleted if the question indeed gets closed and the comment still starts with "possible duplicate of".

• 2010年03月27日: Forced to wait 15 minutes before accepting an answer.

• 2010年03月22日: Bounties can no longer be awarded immediately, but only after one day.

• 2010年03月20日: Personal reputation report.

• 2010年03月19日: New reputation rules.

February 2010

• 2010年02月08日: Despite earlier drastic reductions of the vote-undo window in August 2009, that vote-undo window has been relaxed to 5 minutes.

• 2010年02月03日: Direct links to last activity, which could be an edit of an existing post.

January 2010

• 2010年01月29日: Timeline Question View (like this).

• 2010年01月16日: Comment formatting and replies in New, Improved Comments with @reply. See also the FAQ: How do comment replies work?

October/November/December 2009

• 2009年12月27日: Edit your own comments, within a 5 minute window, yielding the little pencil icon: Edited comment.

• 2009年11月30日: Show up/down vote totals when clicking the vote count: Need a minimum number of reputation points to see this (currently 1,000, though it could vary from site to site).

• 2009年10月02日: Cut off internal links in comments show the question title (actually: the text after the question number in the URL, without the dashes) in the hover text.

Answer 14

November 2022

• 2022年11月29日: Inbox improvements are live.

October 2022

• 2022年10月19日: For comment flags, the maximum length of the user supplied text for "Something else" flags was increased to 500 characters from 200 characters.

• 2022年10月06日: Bookmarks have evolved into Saves.

August 2022

• 2022年08月31日: Moderators can now see close/reopen/delete/undelete votes of other users by going to their user activity page > [Votes] subtab > [All] tab.

• 2022年08月29日: Student Ambassador program has been launched.

June 2022

• 2022年06月15日: Spam and rude/abusive flags no longer age away.

May 2022

• 2022年05月13日: Users lacking the remove new user restrictions privilege can no longer make edits that don't create a revision in the post history (aka grace period edits).

• 2022年05月10日 – 2022年05月13日: [DMV] New unified post summary design was rolled out to sites' /search pages.

March 2022

• 2022年03月21日: The dropdown menu for the answer-sorting options is now live.

February 2022

• 2022年02月08日: [DMV] New unified post summary design was rolled out to /questions and /questions/tagged/* sites' pages.

• 2022年02月08日: The years in dates will now be displayed with all four digits.

January 2022

• 2022年01月24日: [DMV] New unified post summary design was rolled out to sites' home pages.

• 2022年01月12日: All deleted questions/answers are now shown to their authors (rather than questions/answers deleted in the last 60 days). The links on Questions/Answers tabs of user profile's Activity page were renamed to "Deleted questions" and "Deleted answers", respectively.

• 2022-01-??: When a message is deleted as rude/abusive in chat, any inbox notifications coming from its mentions will be deleted as well.

• This_is_NOT_a_forum: Perhaps eliminate the double negative?
• user152859: @This_is_NOT_a_forum what double negative? What do you mean?
• gnat: @ShadowWizardSaysNoMoreWar likely this: "can no longer make edits that don't create..." Without double negative it would be something like, "their edits now always create..."
• user152859: @gnat oh, well, so better ask the SO mod, it was copied from the linked answer.
• Makyen: @Panda I rolled back your change here which mentioned the change to showing vote counts at 100 rep. That change is only effective here on Meta Stack Exchange (MSE). The lists in answers on this question are intended to cover things which affect all sites, or at least multiple sites (see the text in the question). In addition, what you added made it sound like the change was effective on all sites, when it's just for MSE.

Answer 15

December 2021

• 2021年12月07日: [DMV] New responsive Activity page: horizontal navigation turned into vertical, most of the sections rearranged and placed in one column instead of two, each section now has a border around it and much more.

November 2021

• 2021年11月03日: A less granular version of the "Last seen" user profile metric was restored: now all users can see if the user has participated this week, more than a week ago, more than a month ago, and more than X years ago.
• 2021年11月03日: Users can retract delete and undelete votes: 1, 2

October 2021

• 2021年10月26日: Users can vote to delete and undelete only once.

• 2021年10月21日: [DMV] User profile is now fully responsive: each section now has a border around it, the "Top tags" section is now an equally-sized list instead of different-sized "bricks", the "Top Meta/network posts" sections were moved to the right.

September 2021

• 2021年09月14日: A progress to First posts review queue badges is now taken into account when awarding badges for First questions and First answers queues.

• 2021年09月08日: Site can now choose to unpin accepted answers (first chosen at Stack Overflow).

August 2021

• 2021年08月31日: [DMV] Additional user profile refinements: most of the user info now forms a profile header, "Meta user" and "Network profile" links were put into a dropdown, Twitter/GitHub links are now icon-only, a Read more button appears on long About texts, badge summary was removed.

• 2021年08月26日: [IRQ] Workflow changes to Review Queues were released: First posts → First questions and First answers queues, Help & improvement queue closed, Low quality posts → Low quality answers (Stack Overflow only) and more.

• 2021年08月05日: [DMV] Changes to user profile while making it responsive: three columns were merged into two, "Last seen" is visible to moderators only, profile views counter and consecutive visit calendar were removed, added an Edit profile button.

• 2021年08月02日: You are now able to retract a re-open vote.

July 2021

• 2021年07月30日: Header element id attributes: removed automatic generation of id attributes; removed support for explicit id attributes on <h1> through <h6> HTML elements. Explicit <h1> through <h6> elements which contain an id attribute are now stripped, leaving only the text which would have been contained in the element.

• 2021年07月28日: New Staff and Mod Labels on site metas and Meta Stack Exchange

• sometime between 2021年07月11日 and 2021年07月14日: Added automatic generation of id attributes to all header elements generated from Markdown. Explicit HTML header elements do not have id attributes automatically assigned, but can add explicit id attributes to <h1> through <h6> HTML elements.

• prior to 2021年07月11日: Support for <h4>, <h5> and <h6> was added as both Markdown, using ####, #####, and ######, and as HTML. Prior to this change, the Markdown and HTML for these elements was stripped when converting the posts from Markdown to HTML.

June 2021

• 2021年06月23日: CollectivesTM has been launched on Stack Overflow. This was accompanied by a new badge UI on Stack Overflow, which is planned to be rolled out to the rest of the network later.

May 2021

• 2021年05月10日: The Stack Exchange Network was switched to using system (OS-specific) fonts.

April 2021

• 2021年04月20日: [IRQ] New onboarding for review queues which better highlights the earning of review privilege and provides upfront instructions and guidance for successful reviewing.

February 2021

• 2021年02月23日: [IRQ] [DMV] Review queues got a new responsive user interface that focuses on providing reviewers with context to make more thoughtful decisions on review tasks. The review home, history and stats pages have received an update as well.

• 2021年02月10日: Moderators can flag comments similarly to regular users. When a comment is flagged by a moderator using the custom comment flag, it won't automatically be handled.

January 2021

• 2021年01月29日: [IRQ] The Steward badge can now be earned more than once per queue.

• 2021年01月13日: Stack Exchange staff can be exempt from any bounty restrictions. This is a per-site feature, meant to let staff arrange "mass bounty" fun events.

Answer 16

March 2023

• 2023年03月23日: Answers converted to comments (either automatically or by a moderator) now leave a trace in the post timeline.

• 2023年03月22日: A plagiarism flag. This will only be enabled on Stack Overflow initially but other sites will be able to request it if they have need.

• 2023年03月10日: A new question title validation that titles must have at least one character between a-z (at most sites in the network).