Version 0.47.0

• Language: Added support for associated effects (thanks Matt!)
• Library: Added Iterable instances for maps (thanks Stephen!)
• Library: Added associated effects to Iterable and Foldable (thanks Stephen!)
• Library: Added FromJava and ToJava and instances (thanks Stephen!)
• Library: Added missing toVector functions (thanks Stephen!)
• Compiler: Reduced memory usage of types (thanks Magnus!)

Version 0.46.0

• Language: Added support for associated types (thanks Matt!)
• Compiler: Reworked type inference to use constraints (thanks Matt!)
• Compiler: Reduced memory usage of types and source locations (thanks Magnus!)

Version 0.45.0

• Compiler: Added support for the build-fatjar command (thanks Chanattan Sok!)
• Compiler: Added support for the outdated command (thanks Holger!)
• Library: Added Coerce type class (thanks Magnus!)
• Library: Added purityOf functions (thanks Jakob!)

Version 0.44.0

• Language: Reworked IO to be its own effect (thanks Matt!)
• Library: Added purityOf to simplify reflection on purity (thanks Jakob!)
• Compiler: Added support for the release command (thanks Holger!)
• Compiler: Added support for storing GITHUB_TOKEN in a file (thanks Holger!)
• Compiler: Added support for storing GITHUB_TOKEN in the environment (thanks Holger!)
• Compiler: Simplified compilation of enums (thanks Jonathan!)
• Compiler: Improved performance of backend (thanks Jonathan!)

Version 0.43.0

• Language: Flix now targets Java 21 bytecode (thanks Magnus!)
• Language: Flix now uses VirtualThreads by default (thanks Magnus!)
• Compiler: Flix now requires Java 21 (thanks Magnus!)
• Compiler: All InstanceErrors are now recoverable (thanks Magnus!)
• Compiler: All RedundancyErrors are now recoverable (thanks Magnus!)
• Compiler: All SafetyErrorss are now recoverable (thanks Magnus!)
• Compiler: All TypeErrors are now recoverable (thanks Matt!)
• Compiler: Most ResolutionErrors are now recoverable (thanks Magnus!)
• Compiler: Most WeederErrors are now recoverable (thanks Magnus!)

Version 0.42.0

Version 0.42.0:

• Compiler: Use parallel evaluation in ClosureConv (thanks Magnus!)
• Compiler: Use parallel evaluation in Deriver (thanks Magnus!)
• Compiler: Use parallel evaluation in Inliner (thanks Magnus!)
• Compiler: Use parallel evaluation in LambdaLift (thanks Magnus!)
• Compiler: Use parallel evaluation in MonoDefs (thanks Magnus!)
• Compiler: Use parallel evaluation in MonoTypes (thanks Magnus!)
• Compiler: Use parallel evaluation in Namer (thanks Magnus!)
• Compiler: Use parallel evaluation in PatMatch (thanks Magnus!)
• Compiler: Use parallel evaluation in Reducer (thanks Magnus!)
• Compiler: Use parallel evaluation in Resolver (thanks Magnus!)
• Compiler: Use parallel evaluation in Safety (thanks Magnus!)
• Compiler: Use parallel evaluation in TailRec (thanks Magnus!)

Version 0.41.0

• Library: Added Adaptor module (thanks Stephen!)
• Library: Added Reader module (thanks Stephen!)
• Compiler: Reworked type inference for regions and letrec (thanks Magnus, Matt!)
• Compiler: Major improvements to the HTML API documentation tool (thanks Holger!)
• Compiler: Added new experimental lexer (thanks Herluf!)

Version 0.40.0

• Language: Added support for pattern matching on records (thanks Jakob!)
• Library: Added MutPriorityQueue (thanks Xavier!)
• VSCode: Added completion for use of signatures and operations (thanks Xavier!)
• VSCode: Added code actions to derive missing type class instances (thanks Holger!)
• VSCode: Added code actions for unused code (thanks Holger!)
• Compiler: Added new HTML API documentation tool (thanks Holger!)
  • Emits plain HTML and CSS.
  • Supports "light" and "dark" modes.

Version 0.39.0

• VSCode: Added support for code actions (thanks Magnus, Holger!)
• VSCode: Added code actions to derive Eq, Order, and ToString (thanks Magnus!)
• VSCode: Added code actions to use an undefined name (thanks Holger!)
• VSCode: Added completion for use of enums, defs, modules, and types (thanks Xavier!)
• VSCode: Improved communication between the Flix compiler and VSCode in case of errors (thanks Holger!)
• Compiler: Improved source locations of several error messages (thanks Matthew, Ziyao!)
• Compiler: Relaxed Maven version string requirements (thanks Stephen, Magnus!)

Version 0.38.0

• VSCode: Added preliminary support for code actions (thanks Holger!)
  • Added quickfix for unused local variable (thanks Magnus!)
  • Added quickfix to introduce new type (thanks Magnus!)
• Library: Added toVector functions (thanks Stephen!)
• Library: Use Vector in Datalog engine (thanks Holger!)
• Compiler: Significantly improved performance of compiler backend (thanks Jonathan, Matt!)