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@github-actions github-actions released this 20 Sep 10:26

Highlights of the release

  • Add the -Wall option that enables all warnings (Plan B) #20577
  • Add origin filter to WConf, DeprecationWarning #21404

Other changes and fixes

Implicits

  • Streamline tryNormalize with underlyingMatchType #20268

Infer

  • Fix #20521: Optimise caching for computing atoms and widened in OrTypes #21223

Infrastructure

  • Add the project's icon for Intellij #21188
  • Add the link to scala's security policy #21220
  • Add _spec to dependabot #21227
  • Bump redcarpet from 3.5.1 to 3.6.0 in /docs/_spec #21231
  • Bump webrick from 1.7.0 to 1.8.1 in /docs/_spec #21232
  • Bump VirtusLab/scala-cli-setup from 1.4.0 to 1.4.1 #21233
  • Bump VirtusLab/scala-cli-setup from 1.4.1 to 1.4.3 #21371
  • Bump VirtusLab/scala-cli-setup from 1.4.3 to 1.5.0 #21441
  • Update ScAS #21283
  • Bump hamzaremmal/sdkman-release-action from 4cb6c8cf99cfdf0ed5de586d6b38500558737e65 to 1f2d4209b4f5a38721d4ae20014ea8e1689d869e #21440

JVM Backend

  • Update asm to patched 9.7 #20144

Overloading

  • Report only non-overridden unimplemented members #21337

Parser

  • SimplePattern errors should now be recovered as wildcard instead of unimplemented expr #21438

Pattern matching

  • Fix a bundle of patmat issues #21000

Positions

  • Fix trailing comma Ident's span #20445

Presentation Compiler

  • fix: don't use color codes for pattern match code action #21120
  • fix: don't add suffix if brackets already present #21259
  • Backport from metals #21196
  • change mock symbol search #21296
  • fix: completions when parenthesis already provided #21299
  • Weekly metals backport #21343
  • Help implement Metals' infer expected type feature #21390
  • feat: Implement completions for named tuple fields #21202

Runner

  • Wrap the arguments passed to the scalac task between " #21322

REPL

  • Allow JLine to fall back to a dumb terminal #21330

Semantic DB

  • fix: semanticdb symbol creation when targetName set #20950

Tasty Format

  • add child to parent in completion context #21214

Transform

  • Fix #20856: Serialize Waiting and Evaluating as if null. #21243

Typeclass Derivation

  • Revert "Compensate loss of transitivity" #21356

Typer

  • Avoid forcing ctors & parents which caused cycles #17086
  • Fix isomorphism tests of AndOrTypes under non-empty BinderPairs #21017
  • Fail when a poly function value has a different number of type params than the expected poly function #21248
  • Fail early & more clearly on shaded-broken classfiles #21262
  • A tweak to type improvement #21312
  • Fix #20897: Make Nothing ⋔ Nothing, as per spec. #21241

Experimental Changes

Modularity

  • fix: Only implement a deferred given in a class if its parent won't implement it #21206

Named Tuples

  • Re-use isConcrete checking in match types for NamedTuple.From #20947
  • fix: Dealias NamedTuple's name types when resolving NamedTuple's element types #21331

Safe Global Initialization

  • Fix exception on sequence matching with drop #21281
  • Fix uninitializing fields when evaluating a cached constructor call in global initialization checker #21403

Contributors

Thank you to all the contributors who made this release possible 🎉

According to git shortlog -sn --no-merges 3.5.1..3.5.2-RC1 these are:

  21  Dale Wijnand
  12  Eugene Flesselle
  11  Katarzyna Marek
    6  dependabot[bot]
    5  Wojciech Mazur
    4  Hamza REMMAL
    4  Kacper Korban
    4  Martin Odersky
    4  Som Snytt
    4  Yichen Xu
    4  kasiaMarek
    3  Jamie Thompson
    2  EnzeXing
    2  Hamza Remmal
    2  Sébastien Doeraene
    1  Jan Chyb
    1  Jędrzej Rochala
    1  Kavin Satheeskumar
    1  Martin Duhem
    1  Matt Bovel
    1  Raphael Jolly
    1  noti0na1
    1  philippus