Added

• New Toolbar UI (#1194)
• New Board Selector: show port protocol (#1193)
• Enable IDE translations: Italian, Russian, Spanish, Portuguese, Czech (#712 #1166)

Changed

• Improve UI, colors, and icons (#1095, #979, #1148, #1146, #1122, #1159 )
• Remove Editor tabs contextual menu (#1127)

Fixed

• Platform installation prompt only made for boards listed in oldest release (#979)
• Opening a sketch will not show the last state of the sidebar in the new window (#442)
• Remote sketchbook widget rendering empty (#1129)
• Sketchbook view can't handle more than two tree levels (#1015)
• Platform installation only offered if port is selected (#854)
• Window minimum size is too small and content is not shown correctly when the size is small (#129 #662 #779)
• Package index is not downloaded after adding URL to preferences (#637 #906)
• Prevent overwriting existing libraries and platforms at first IDE start-up (#798 #1169)
• Default theme at first launch doesn't match the OS theme (#530)
• Fall back to new sketch if opening failed (#1089)
• Board Selector only updates on board selection via other interfaces if associated port is selected (#1206)
• Avoid reindexing libraries on every single text document change event (#714)

Known Issues

• Themes: High Contrast is broken (#1202)

Full Changelog: 2.0.0-rc8...2.0.0-rc9

Thanks to everyone who's helping us improve the quality of the Arduino IDE:

• @RussellAult
• @toogooda
• @dronecz
• @vielfarbig
• @KurtE
• @Wezz19

Added

• Reveal the error location after the failed verify (#1064 #608 #229)
• Survey notification (#1035)
• Can enable debug logging of the gRPC calls (#1065 #1056)

Changed

• Relaxed the error handling of the core client init (#1045 #1036)
• Output panel optimisation (#1058 #405 #68)

Fixed

• Restored the Settings UI. Deferred model loading. #1046 #1031
• Fix error in console when clicking in the editor, or output view (#1057 #977)
• Cleaned up File menu (#1071 #1014)
• UI fixes (#1088 #1092 #1097)
• Fixed widget lookup to eliminate duplicate tabs (#1085 #1054)
• Failing upload flag for monitor mgr (#1040 #1032)
• Disabled MenuItem roles on macOS (#1022)

Full Changelog: 2.0.0-rc7...2.0.0-rc8

Added

• Pluggable Monitor (#982)
• Dark Theme (#991)

Changed

• Support global formatter configuration file (#1009 #566 #1019)

Fixed

• Unsaved changes lost after "Save As..." operation (#896 #939)
• Fixed auth. sessions not persistent by @davegarthsimpson in (#944 #992 #1003)
• Fix duplicated editor tabs (#656 #793 #1012)
• Save dialog for closing temporary sketch and unsaved files (#595 #862 #893)
• Fixed LS stops working after OS sleep/wakeup cycle (#1021)
• Improved the IDE2 startup and new sketch creation time (#1018)
• Fixes for several bugs with Serial Monitor (#586, #613, #726, #753, #752)
• Fixes for several bugs with Auto Format (#396, #543, #746, #973)

Breaking

• Remove GUI-based advanced settings interface (e.g., "Preferences: Open Settings (UI)" command). (#1018)
  Advanced settings will now be configured by editing the settings.json file directly ("Open Settings (JSON)" or "Open Workspace Settings (JSON)" commands),

Full Changelog: 2.0.0-rc6...2.0.0-rc7

Contributors

• @davegarthsimpson

Added

• Enable language packs (#941)

Changed

• Minified browser code in the packaged final app. (#931)
• Disable widget dragging/splitting (#552 #940)
• Disable automatic application start after install via Windows Installer (#942)

Fixed

• Automatically remove editors for deleted files (#648 #894)
• Fixed 3rd party URLs-related issues (#881 #919 #920)
• Correctly print backslash-escaped characters (#675 #943)
• Improve condition to recognise read-only sketches (#917 #918)
• Allow to close files in certain folders (#831 #866 #946)

Full Changelog: 2.0.0-rc5...2.0.0-rc6

Added

• Privacy policy menu item (#883)

Changed

• Remove Web Developer Tools in the Help menu (#882)

Fixed

• Add pagination in remote sketchbook (#875 #809)
• Fix sketch name duplicates (#887)
• Reload sketch when Saving as new (#880 #829)
• Fix changelog generation

Full Changelog: 2.0.0-rc4...2.0.0-rc5

Added

• Add the auto-updater feature (#797 #840 #846 #860 #863 #865 #870 #871 #872)
• Show represented file on MacOS (#868)
• Enable opening the IDE from finder/explorer (#835)
• Add gRPC user agent (#834)
• Open all closed workspaces on startup (#780)
• Compose the full changelog when a release is made (#777 #782 #783)

Changed

• update arduino-cli to 0.21.0 (#820)
• Update Theia to 1.22.1 (#791)
• Update ls to 0.6.0and clangd to 13.0.0 (#738)
• Improve build instructions (#706)

Fixed

• Save preferences in sequence (#856)
• Fix version retrieval in node process (#837)
• Fix board options not shown for manually installed platforms (#826)
• Check protocol on board reconnection (#729)
• Solve ports conflicts with the same address and different protocol (#713)
• Remove stray brace from compilation error output (#751)

Known Issues

• Language mode is set to C++ (#529)
• Dark theme is used on clean start despite "Light (Arduino)" being the default (#530)
• Language server doesn't support boards of the "megaAVR" architecture (#31)
• Postponed update is installed on exit (#874)
  Full Changelog: 2.0.0-rc3...2.0.0-rc4

Changed

• Update README.md with translations project link
• Updated Translations

Fixed

• Fix cloud sync push action for bigger (>4k) files (#696)
• Updated serial plotter to fix a number of issues (#698)
• Serial monitor lines not to wrap/overlap when the text is too long (#697)
• Close serial port connection before flashing firmware (#688)
• Use major version ref of carlosperate/download-file-action

Known Issues

• Language mode is set to C++ #529
• Dark theme is used on clean start despite "Light (Arduino)" being the default #530
• Language server doesn't support boards of the "megaAVR" architecture #31

Full Changelog: 2.0.0-rc2...2.0.0-rc3

Added

• Automatically install 'Arduino_BuiltIn' library at first startup #663

Changed

• Remove gRPC error code from error notifications #664
• IDE to run CLI with auto-assigned port #673

Fixed

• Fix upload and serial #661 #615
• Fix notification icons #642 #531

Known Issues

• Language mode is set to C++ #529
• Dark theme is used on clean start despite "Light (Arduino)" being the default #530
• Language server doesn't support boards of the "megaAVR" architecture #31

Full Changelog: 2.0.0-rc1...2.0.0-rc2

Added

• Serial Plotter #597
• Translating Arduino-IDE using Theia's nls API #545 #542
• Add dialog to insert user fields for board that require them to upload #550

Changed

• Remove gRPC errors codes from compile/upload console output in #564
• Disable Breadcrumbs #611
• Rework listing of discovered ports #614
• Remove language server log preference #635
• Update Theia, CLI and LS #610

Fixed

• Footer min-height for library and board manager #392
• Fix cortex-debug related debugging issue #578
• Open Save as... dialog when saving sketches for the first time #579
• Fix tabs ordering #612

Known Issues

• Language mode is set to C++ #529
• Dark theme is used on clean start despite "Light (Arduino)" being the default #530
• Notification clear control is invisible #531
• Language server doesn't support boards of the "megaAVR" architecture #31

Full Changelog: 2.0.0-beta.12...2.0.0-rc1

Added

• At first ide startup invoke installation of arduino:avr #497

Changed

• Install core notification not to appear on board unplug #485
• Sort board families in Tool menu #486
• Minor fixes to menu items #491 #492
• Improve Serial Monitor Performances #524
• Improve init process thanks to arduino-cli upgrade to 0.19.1 #506
• Upgrade Theia to 1.18.0 #489
• Updated icons #489

Fixed

• Re-center refresh icon when spinning #493
• Fix editor quick suggestions preference #494
• Fix Rename and Delete file #528

Known Issues

• Stopping debugger fails with an error #527
• Language mode is set to C++ #529
• Dark theme is used on clean start despite "Light (Arduino)" being the default #530
• Notification clear control is invisible #531

Full Changelog: 2.0.0-beta.11...2.0.0-beta.12