Important notice regarding automatic update

Due to a regression in 2.3.5 (#2696), auto-update won't trigger for users who are already using Arduino IDE 2.3.5.
Please manually download the new version from https://www.arduino.cc/en/software or below.

Fixed

• Auto-update doesn't trigger (#2697)
• Extra blank window when IDE started via sketch file association (#2693)
• Duplicate sketch opened from file and terminal on second instance of IDE (#2686)
• IDE window steals focus when new content added to Output view (#2681)
• Add missing linux dependencies for create-changelog job (#2677)

Changed

• Update translation files (#2692)

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

• Gartosz

Full Changelog: 2.3.5...2.3.6

Changed

• Bump Arduino CLI to v1.2.0 (#2645)
• Bump Theia IDE to v1.57.0 (#2654)
• Bump Electron version and upgrade yarn dependencies (#2654)
• Bump built-in example sketches version to 1.10.2 (#2646)
• Updated translation files (#2597)

Fixed

• Sanitize message in notification component (#2664)
• Decouple state update from the LS (#2643)
• Safer electron version parsing for electron-builder command (#2673)
• Multiple CI workflows fixes (#2647 #2675 #2672 #2676)

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

• @dankeboy36

Full Changelog: 2.3.4...2.3.5

Important Compatibility Notice [Ubuntu 18.04]

This will be the final release supporting Ubuntu 18.04. Unfortunately due to changes in our Continuous Integration workflows we are no longer able to produce IDE 2.x builds compatible with older versions of Ubuntu (context, related change). We have manually built Arduino IDE 2.3.4 to allow support for one final version, subsequent releases will not be compatible.

Added

• Can skip verify before upload (#2397)
• Implement menu action to reload current board data (#2553)
• Add donate footer to updater dialog (71b11ed, #2581)
• Add dialog to introduce to new version (4788bfb, #2581)

Changed

• Use Arduino CLI v1.1.1 (#2576)
• Use Ubuntu 18.10 in Linux build container (#2307)

Fixed

• Retry compilation if grpc client needs to be reinitialized (#2548)
• Fix memory leak when scanning sketchbooks with large files (#2555)
• Disable local windows signing for forks PR (#2554)
• Align viewsWelcome behavior to VS Code (#2543)
• Fix CLI error parsing (#2518)

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

• @dankeboy36

Full Changelog: 2.3.3...2.3.4

Added

• Allow view and edit of Arduino Cloud Shared Space Sketches (#2486)
• Cancelable Verify & Upload (#1199)

Changed

• Bump CLI to 1.0.4 (#2457)
• Use upload with programmer as default when required (#2500)
• Update Windows Signing Certificate (#2452)
• Update Github Actions runners (#2508, #2513)

Fixed

• Can unset network#proxy in the CLI config (#2184)
• Invalid custom board option handling in FQBN (#1588)
• Add missing installed version to the platform (#2378)
• Copy example with .pde main sketch file (#2377)

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

• @sstaub
• @dahmadjid

Full Changelog: 2.3.2...2.3.3

Fixed

• Debugging being disabled for some third-party platforms (#2368)

Security

• Update ip to resolve CVE-2023-42282 (#2375)

Full Changelog: 2.3.1...2.3.2

Fixed

• Debug view blank on first debugging session of a sketch (#2354)

Security

• Update msgpackr to resolve CVE-2023-52079 (#2360)
• Update axios to resolve CVE-2023-45857 (#2360)
• Update follow-redirects to resolve CVE-2023-26159 (#2360)

Full Changelog: 2.3.0...2.3.1

Added

• Identify boards from manually installed platforms in "Select Other Board and Port" dialog tooltip (#2270)
• Support .cc and .cxx extensions for sketch files (#2265)
• Intellisense and validation for custom_debug.json (#2281)
• Support direct modification of debugger's launch.json configuration file (#2281)
• Show progress information in the status bar when Arduino CLI is running debug --info --programmer command (#2281)
• Support selecting debug probe via "Tools > Programmer" menu (#2281)
• Disable debug widget if unsupported by board (#14)
• Advanced preference to limit thread count of Arduino Language Server (#2350)

Changed

• Use new debug -I -P CLI output (#2281)
• New debug_custom.json schema (#2281)
• Update built-in example sketches to 1.10.1 (#2322)
• Update translation files (#2216)
• Update Node.js dependency to 18 (#2199)
• Update electron dependency to 27.0.3 (#2199, #2252, 0f83a48)
• Update Theia dependency to 1.41.0 (#2211)
• Update Arduino Language Server dependency to 0.7.6 (a0bd5d0, #2350)
• Update Arduino CLI dependency to 0.35.2 (73b6dc4, b8dd39c, #2350)
• Update vscode-arduino-tools dependency to 0.1.1 (73b6dc4)

Removed

• Support for macOS Mojave (0f83a48)

Fixed

• Forward backend logging to electron (#2236)
• Arduino state data not available to extensions after IDE startup (#2233)
• "Configure and Upload" dialog not presented for uploads dependent on "user provided fields" after IDE startup (#2230)
• Custom board option selection made in one window affects other windows as well (#2240)
• "Start Debugging" button incorrectly disabled if board was pre-selected on IDE startup (#2237)
• Board-dependent menus not populated if board was pre-selected on IDE startup (#2239)
• Saving sketch fails silently when files are read-only (#1501)
• IDE window doesn't open when started via sketch file association (#2209)
• Subfolder structure of sketch lost after "Save As" operation (#2077)
• Naming collision during "Save As" causes overwrite of secondary sketch file (#827)
• Previous selection remains in "Firmware Updater" and "Certificate Uploader" menu after no longer available (#2222)
• Bundle native Arduino Firmware Uploader with Apple Silicon build (#2338)

Security

• Update electron to resolve CVE-2023-4863 and CVE-2023-39956 (#2252)
• Replace usage of shelljs package with fs and console (#2252)
• Replace usage of uuid package with @phosphor/coreutils (#2252)
• Update @babel/traverse to resolve CVE-2023-45133 (#2273)
• Update auth0-js to resolve CVE-2023-46233 (#2273)

Full Changelog: 2.2.1...2.3.0

Changed

• Bump Arduino Firmware Uploader dependency to 2.4.1 (#2206)

Fixed

• Fix missing translations for русский and Türkçe (#2201)

Full Changelog: 2.2.0...2.2.1

Added

• Add Linux ARM 64-bit support to build system (#2078)
• Expose Arduino state to VS Code extensions (#2110)
• Add advanced setting for moving Serial Monitor to the right panel (#2102)
• Add 中文(繁體) ("Chinese (Traditional)") localization (#2151)
• Indicate submenu containing selected board Tools > Board menu (#2035)
• Add "Light High Contrast" theme (#2027)

Changed

• build: use execFileSync for npm scripts (33ab2a6)
• build: use execa for the packager (36e2092)
• Adjust release procedure and CI system for "trunk-based" development strategy (#2120, #2177)
• Update Theia framework to 1.39.0 (#2027, #2144)
• Bundle application using webpack (#2144)
• Simplify board and port handling (#2165)
• Bump Arduino Firmware Uploader dependency to 2.4.0 (#2165, #2186)
• Generalize name of "Firmware Updater" (#2176)
• Bump Arduino CLI dependency to 0.34.0 (#2121, #2126, #2178, #2186)
• Update translation files (#2031, #2027, #2144)

Removed

• Drop support for MKR 1000 WiFi/WiFi101 and MKR Vidor 4000 from "Firmware Uploader" and "Upload SSL Root Certificates" features (#2176)

Fixed

• Correct order of displayed sentence and paragraph text in Library Manager (#2026)
• Avoid unnecessary GET /sketches request (#1849)
• Enable error diagnostics for sketches in Cloud sketchbook (#669)
• Fix failure of "Save As.." operation when sketch path contains certain characters (#2043)
• Remove non-functional language server-related items from editor context menu (#1394)
• Fix light coloration of title bar when using dark theme (#321, #2125)
• Fix truncation of sketch content when file exceeds 64 kB (#2086)
• Show notification if installation via Boards Manager or Library Manager fails (#621)
• Fix silent failure of save when sketch out of sync with file system (#2051)
• Fix unavailability of language server-based features when sketch stored on different drive from system temp folder (#2034)
• Allow recovery of all types of soft bricked native USB boards (#2089)
• Fix sketch save failure when offline (#2079)
• Warn user when IDE is unable to save the sketch (#2081)
• Include all log args in the log message (#2101)
• Correctly handle presence of multiple supported boards in Firmware Updater and Certificate Uploader UI (#2158)
• Fix unexpected port selection loss during upload to certain boards (#43, #82, #1366)
• Fix unexpected board+port selection change when board is disconnected (#2143)
• Fix hang on startup when attempting to restore sketch from previous session fails with unusual error (#2166)
• Do not start obsolete daemon watcher process (#2182)
• Fix lack of response to first click on "New Tab" menu item (#2183)
• Fix missing app icon for AppImage on Linux (#2190)

Security

• Remove unsafe use of innerHTML (#2064)
• Remove unsafe/fragile use of shell option in process spawning code (#2067, #2112)

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

• @nmzaheer
• @streak324

Full Changelog: 2.1.1...2.2.0

Fixed

• Update Arduino CLI dependency to 0.32.2 to fix arduino/ArduinoCore-renesas#10 (#2121)

Full Changelog: 2.1.0...2.1.1