Fixed

• Set the correct object version of 77 for Xcode 16 projects @jakobfelsatdm #1563
• Support major.minor SPM package versions which would otherwise fail to decode to a string in yaml specs #1546 @RomanPodymov
• Fix regression for parallelizable in scheme. It now resolves to "Enabled" and not "Swift Testing Only" #1565 @CraigSiemens

Added

• Basic support for Xcode 16's synchronized folders #1541 @yonaskolb
  • TargetSource.type can now be syncedFolder
  • Options.defaultSourceDirectoryType can be set to syncedFolder for the default type in all sources in the project (defaults to group)
  • Benefits include faster generation and no cache invalidation or need to regenerate when files are added or removed from these folders
  • Note that not all TargetSource options like excludes are supported, just a simple path. Please test and see what is missing in your projects
• Added sanitizer options to run and test actions in Scheme #1550 @hi-kumar

Fixed

• Added validation to ensure that all values in settings.configs are mappings. Previously, passing non-mapping values did not raise an error, making it difficult to detect misconfigurations. Now, SpecParsingError.invalidConfigsMappingFormat is thrown if misused. #1547 @Ryu0118
• Use USER instead of LOGNAME for XCUserData #1559 @KostyaSha

Added

• Added excludeFromProject from local packages #1512 @maximkrouk
• Added support for preferredScreenCaptureFormat in schemes #1450 @vakhidbetrakhmadov

Changes

• .appex files are now copied to plugins directory by default #1531 @iljaiwas
• The preGenCommand is now run before validation and caching #1500 #1519 @simonbs @dalemyers
• Improve performance of spec validation #1522 @zewuchen
• The enableGPUValidationMode enum is deprecated and is now a boolean #1515 @marcosgriselli @yonaskolb

Fixed

• Breaking: fileGroups are now relative paths when in included files, like other paths #1534 @shnhrrsn
• Breaking: Local package paths are now relative paths when in included files, like other paths #1498 @juri
• Optional groups are no longer skipped when missing and generating projects from a different directory #1529 @SSheldon

Internal

• Fix Swift 6.0 warnings #1513 @marcosgriselli
• Update package swift tools to 5.9 #1489 @0111b
• Add Xcode 16 to CI #1439 @giginet
• Fix test project building on CI #1537 @yonaskolb
• Skip failing tests on Linux #1517 @marcosgriselli
• XcodeProj updated to 8.24.3 #1515 @marcosgriselli @yonaskolb

Added

• Better support for local Swift packages in Xcode 15 #1465 @kinnarr
• Added macroExpansion to test actions in schemes #1468 @erneestoc

Changed

• Better default macroExpansion target in schemes #1471 @erneestoc

Removed

• Removed xcodegen dump --type graphviz as graphviz no longer builds in Swift 6 and is no longer maintained. If anyone uses this feature and wishes to keep it, please submit a PR providing a suitable alternative. #1485 @giginet

Added

• Added xcodegen cache command that writes the cache. Useful for post-commit git hook integration #1476 @yonaskolb

Changed

• Include folders in file sorting #1466 @jflan-dd

Fixed

• Fixed supportedDestinations validation when it contains watchOS for multiplatform apps. #1470 @tatsuky

Fixed

• Reverted .xcprivacy handling. They will now again be treated as resources by default @yonaskolb

Added

• Added support for local Swift packages at the project root by specifying a "" group #1413 @hiltonc
• Added a custom shell to a scheme's pre and post actions #1430 @balazs-vimn

Changed

• .xcprivacy files are now not added to any build phases by default #1464 @yonaskolb

Added

• Proper defaults for .cp and .cxx files #1447 @eschwieb

Fixed

• Fixed bundle access crash #1448 @freddi-kit
• Pinned XcodeProj version to fix breaking changes when XcodeGen is used as a dependency #1449 @yonaskolb

Added

• Support Artifact Bundle #1388 @freddi-kit
• Added support for .xcstrings String Catalogs #1421 @nicolasbosi95
• Added default LD_RUNPATH_SEARCH_PATHS for visionOS #1444 @Dahlgren
• Added watchOS as a supported cross platform destination #1438 @tatsuky

Fixed

• Fixed custom local package groups not being created #1416 @JaapManenschijn
• Fixed spec validation error type #1439 @Lutzifer
• Create parent group for local package groups if it does not exist already #1417 @JaapManenschijn

Internal

• Updated Rainbow version #1424 @nysander

Added

• Multi-destination targets #1336 @amatig
  • Added supportedDestinations to target
  • Added optional new platform value of auto when using supportedDestinations
  • Added destinationFilters for sources and dependencies
  • Added inferDestinationFiltersByPath, a convenience filter for sources
• .mlpackage files now default to being a source type #1398 @aaron-foreflight
• Added support for Build Tool Plug-ins in AggregateTarget #1390 @BarredEwe

Fixed

• Fixed source file includes not working when no paths were found #1337 @shnhrrsn
• Supports specifying multiple package products #1395 @simonbs