3.2.0-RC1

Highlights of the release

• Add runtime.TupleMirror to avoid anonymous classes for mirrors of tuples #15404
• Fix TupleXXL.productPrefix #15411
• Synthesize mirrors for small generic tuples #15250
• Fix #14150: Constrain refinements to type parameters #15014
• Gradual warning for deprecated nonlocal return #15303
• Restrict mirrors of any union type #15279
• Stabilize 3.2 APIs #15197
• Add error reporting for mirror synthesis #15164
• Fix #14432: Check if scala 2 case class is accessible #15008
• Fix #12919: Summon anonymous mirror when companion is a case object #14986
• Erase Int | Nothing signatures types into Int #14971
• Allow exports in extension clauses #14497
• Fix Scala Wart about implicit () class parameters #14840
• Re-architecture quote pickling #12540
• Add scala.annotation.MainAnnotation #14558
• Add in initial support for code coverage #13880
• Support tuple specialisation #15060
• Remove support for -scala-output-version flag #15146
• Make lazy vals and object native image friendly #14780
• Allow return in tailrec position #14067

Other changes and fixes

Backend

• Keep annotation order #15063
• Update asm to 9.3 #14926
• Fix #14773: Reuse the param slots for the tailrec local mutable vars. #14865
• Better error messages in case of TooLarge* exceptions in GenBCode #14943

Coverage

• Fix relativizing paths in coverage serializer #15240

Erasure

• Handle & and | types when computing tuple arity #15330

Experimentals

• Fix check experimental inline references #15147

Exports

• Refine criterion when to skip identifiers in pattern constructors #15367
• Simplify and harden duplicates checking in exports #14879
• Fix isAbsType prediction in TreeUnpickler #14861

F-bounds

• Recursion brake for joins in TypeComparer #14880

GADTs

• Heal pattern-bound type by gathering constraints #15095
• Consider GADT upper bounds when upcasting the scrutinee type #15351
• Extract wildcard GADT constraints more directly #14832

IDE Support

• Docs: Add a comment to pathTo mentioning that it might return errorTermTree #15420
• Fix completions to properly contain public fields if they were shadowed #15236
• Add proper signatureHelp for unapply methods #15203
• Fix signatureHelp to show enclosing apply instead of closest one. #15119
• Fix implicit conversion type resolve in completions #15061
• Fix type alias completion, unify completion tests style #15047
• Support code completion for refined types #15283
• Fix SourceFile.column method. #15209

Initialization

• Check method arguments with parametricity when static #14916
• Add safe-init test to prevent adding cold elements to hot arrays #14895
• Allow non-hot values in SeqLiterals #14794

Inline

• Make private inline accessors final #15324
• Fix inlining when outer select is needed from inline call prefix #15327
• Support inline methods calling private inline methods on this #15075
• Types with only an abstract inline method are not SAMs #14874
• Don't issue unreachable error messages for inlined code #14871
• Dealias arg type to detect opaque types #15074
• Fix dependency status calculation for refined type aliases in method result types #15390

Java Compatibility

• Java generic signatures can't refer to type members #15093
• Simplify and correctify calculation of the InnerClass attribute #15153
• Fix #13523: Survive missing Java inner annotation classfiles #15094

Match Types

• Implement provablyDisjoint for refined types and type aliases #15375
• Cache skolem types #14909

Nullability

• Speed up .nn #15418
• Fix handling imports in TreeUnpickler #15137
• Honor language imports when unpickling #14962
• Remove special eq/ne in unsafeNulls #15186
• Add eq/ne extension for AnyRef|Null to Scala3RunTime #14632

Parser

• Fix parser error for type arguments with trailing comma #15395
• Change fewerbraces to always use a colon, even before lambdas #15273
• Deprecate 3.1-migration, err on import #14978
• Treat all incomplete ifs as statements #14960
• Clarify and test rules for newline suppression #14877
• Tweak assertion in withMods #14857
• Fix loop in parser #15421
• Parse unary operators as regular identifiers when backquoted #15198

Pattern Matching

• Preserve modifiers when desugaring for-comps #15403
• Extract unapply types like typedUnApply #15254
• Force Java enum children to be queried #15109
• Enable stricter pattern binding warnings by default #14294

Pickling

• Survive unpickling crashes when completing from Tasty #14884

Quotes

• Transform RHS of captured assignment reference #15247
• Properly look for inline methods #15072
• Fix hash code of ExprImpl and TypeImpl #15281
• Compute correct argument type in ExprMap #15269
• Detect quoted pattern variables in alternatives #15073
• Disallow old uses of quoted and spliced types #15012
• Fix capturing conditions of HOAS quote patterns #14822

Reflection

• Add missing cases in SourceCode printer #15032
• Add reflect AppliedType constructor #14923
• Add regression test #14924

Reporting

• Case class must have at least one leading non-implicit parameter list #15382
• Improve opaque type with no RHS error message #15285
• Refine condition when to report errors in an inserted apply #15016
• Accept soft modifiers separated by blank lines #14959
• Fix warning with leaking this into Scala2 synthetic apply #15307
• Refine error messages for early promotion #15263
• ...

3.1.3

Highlights of the release

• f-interpolator: Scala 2 parity and bugfixes #13367
• Show inlined positions with source code on errors #14002
• Add reflect ClassDef.apply and Symbol.newClass #14124
• Add experimental TupledFunction #14414

Other changes and fixes

Backend

• Filter out static forwarders for Java package private methods #14662
• Emit all classes as public to avoid object deserialization issues #14686
• Upgrade to ASM 9.2 #14711

Desugaring

• Adapt function arguments to n-ary prototype #14651

Erasure

• Don't optimize explicitly written isInstanceOf tests away. #14715

Exports

• Fix use of exported prefix #14461
• Export constructor proxies for parameterized classes #14681

GADT

• Fix #14726: call exclusiveLower before addLess during unification #14727
• Avoid unsound GADT constraints derived from subtyping relations between singletons and refined types #14728
• Keep correct kind when preparing constraint in stripParams #14761

Initialization

• Add special case to init checker to always allow certain methods #14352

Implicits

• Avoid unnecessary under-constrained implicit searches #14353
• Prevent implicit conversion chaining #14750
• Fix hasKnownMembers #14762

Match types

• Fix #13855: Chaining Match Types fails at value level #14354
• Constrain pattern types when typing a match type case #14563
• Fix bounds of match type cases #14645
• More aggressive reduction of type selection (fixes parboiled2) #14987
• Relax avoidance checks more for match type reduction #15036
• Re-establish missing symbol from previous phase (in one specific case) #15295

Metaprogramming

• Allow nested Quotes with a different owners #13652
• Add typed versions of Mirror.ProductOf#fromProduct #14114
• Fix #14393: foldOver in default TreeAccumulator can't process Typed nodes #14396
• Fix invariant quote type holes #14425
• Make singleton operations covariant #14452
• Find inline calls inserted in synthetic members #14480
• Don't generate Mirror.Sum for simple enum cases #14525
• Collect all local class definitions #14528
• Only make the staged parts of a quote inlineable #14604
• Tolerate some faults when copying trees in InlineTreeMap #14674
• Handle this prefix in objects (in quote patterns) #14732
• Detect when position is not in known source #14801
• Handle SummonFrom in reflect TreeAccumulator #14809
• Handle situation where an inline info cannot be computed #14827

Opaque Types

• Disallow overriding opaque type aliases #14665
• Disallow private opaque type aliases #14666
• Generate opaque proxies also for base classes #14668

Parser

• Accept supplementary Unicode characters #13136
• Don't compute indents when in a string #14441
• Parse empty arguments in (invalid) Apply more often #14463
• Expand span errorTermTree to include skipped span. #14492
• Fix lookahead logic in Scanner #14562
• Add private inteface methods parsing in JavaParser #14643
• Reject postfix ops already in Parser #14677
• Syntax error recovery #14695

Pattern matching

• For generic tuples, call Tuples.apply instead of _1/_2/.. #14296
• Preserve the intersection of disjoint numbers in match analysis #14550
• Fix casting of generic tuple selection #14590
• Ignore private/sealed abstract class/traits #14599
• Drop special treatment for Scala-2 code in unapply #14766

Pickling

• Disable type simplify in unpickler #14506
• Check if package names will be encoded in desugar #14597
• Fix picking default syntax for comments #14725
• Fix lack of type avoidance in argument lifting #15229

Refchecks

• Don't skip override tests when overridden is AbsOverride #14527
• Extend "cannot override mutable variable" restriction to deferred var… #14724

Repl

• Avoid stale import context during REPL parsing #14493
• Fix #11202: Incorrect highlight for type constructor #14518
• Make empty catch an incomplete. #14519
• Add in feedback when resetting REPL state #14521
• Fix #14535: End marker now has the same color as its definition in repl #14555
• Add backticks when needed in completions #14594
• Autocomplete repl commands #14627
• Harden REPL in presence of values that fail to initialize #14702

Reporting

• Change error message text from "fully-initialized" to "fully initialized" #14400
• Improve -explain rendering #14357
• Propagate unreported features when flushing a reporter #14503
• Avoid using · character #14453
• Fix explain rendering with Windows EOL #14456
• Fix #14576: Ensure unreported warning summaries are also emitted via sbt-bridge #14602
• Add context to safe-init warnings for inlined methods #14646
• Show unique ids of pattern bound symbols #14716
• Don't replace typevars by their f-bounds in error messages #14723
• Error message improvement for illegal access extension methods #14730
• Warn on misleading indentation in single-case catch #14738
• Use correct ErrorMessageID for EmptyCatchOrFinallyBlock #14786
• Correct highlight interpolation in explain message #14802
  Don't issue implicit errors if parameter has default value #14849

Typer

• Fix approximating RefinedTypes (n>1) #14361
• Allow override protected[C] in companion #14105
• Hide apply generated for rotected case class constructor #14266
• Infer parameters of eta applications with vararg parameters #14397
• Keep softness when widening unions #14399
• Fix #11008:...

3.1.3-RC5

Notable changes

• Avoid NPE in simplify #15310
• Eta expand export forwarders that have context function types #15217
• Fix #15220: Windows scripts do not delegate to MainGenericRunner #15325
• Re-establish missing symbol from previous phase (in one specific case) #15295
• Partially revert #14026 - Fixes 4 regressions #15343

Contributors

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

According to git shortlog -sn --no-merges 3.1.3-RC4..3.1.3-RC5 these are:

  7  odersky
  2  Paweł Marks
  1  Stéphane Micheloud
  1  Tom Grigg

3.1.3-RC4

Notable changes

• Fix lack of type avoidance in argument lifting #15229
• Avoid overeager completion of Java annotations in classfile parser #15185
• Implement scalac script in Scala #15212

Contributors

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

According to git shortlog -sn --no-merges 3.1.3-RC3..3.1.3-RC4 these are:

2  Paweł Marks
1  Guillaume Martres
1  Jamie Thompson
1  Tom Grigg

3.1.3-RC3

Notable changes

• More aggressive reduction of type selection (fixes parboiled2) #14987
• Relax avoidance checks more for match type reduction #15036

Contributors

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

According to git shortlog -sn --no-merges 3.1.3-RC2..3.1.3-RC3 these are:

 2  Guillaume Martres
 2  Paweł Marks

3.1.3-RC2

This release is in all practical sense identical to the first release candidate. We decided to re-release because there were some problems with artifact propagation to the maven due to sonatype incident. This changelog is copied for the RC1.

Highlights of the release

• f-interpolator: Scala 2 parity and bugfixes #13367
• Show inlined positions with source code on errors #14002
• Add reflect ClassDef.apply and Symbol.newClass #14124
• Add experimental TupledFunction #14414

Other changes and fixes

Backend

• Filter out static forwarders for Java package private methods #14662
• Emit all classes as public to avoid object deserialization issues #14686
• Upgrade to ASM 9.2 #14711

Desugaring

• Adapt function arguments to n-ary prototype #14651

Erasure

• Don't optimize explicitly written isInstanceOf tests away. #14715

Exports

• Fix use of exported prefix #14461
• Export constructor proxies for parameterized classes #14681

GADT

• Fix #14726: call exclusiveLower before addLess during unification #14727
• Avoid unsound GADT constraints derived from subtyping relations between singletons and refined types #14728
• Keep correct kind when preparing constraint in stripParams #14761

Initialization

• Add special case to init checker to always allow certain methods #14352

Implicits

• Avoid unnecessary under-constrained implicit searches #14353
• Prevent implicit conversion chaining #14750
• Fix hasKnownMembers #14762

Match types

• Fix #13855: Chaining Match Types fails at value level #14354
• Constrain pattern types when typing a match type case #14563
• Fix bounds of match type cases #14645

Metaprogramming

• Allow nested Quotes with a different owners #13652
• Add typed versions of Mirror.ProductOf#fromProduct #14114
• Fix #14393: foldOver in default TreeAccumulator can't process Typed nodes #14396
• Fix invariant quote type holes #14425
• Make singleton operations covariant #14452
• Find inline calls inserted in synthetic members #14480
• Don't generate Mirror.Sum for simple enum cases #14525
• Collect all local class definitions #14528
• Only make the staged parts of a quote inlineable #14604
• Tolerate some faults when copying trees in InlineTreeMap #14674
• Handle this prefix in objects (in quote patterns) #14732
• Detect when position is not in known source #14801
• Handle SummonFrom in reflect TreeAccumulator #14809
  -Handle situation where an inline info cannot be computed #14827

Opaque Types

• Disallow overriding opaque type aliases #14665
• Disallow private opaque type aliases #14666
• Generate opaque proxies also for base classes #14668

Parser

• Accept supplementary Unicode characters #13136
• Don't compute indents when in a string #14441
• Parse empty arguments in (invalid) Apply more often #14463
• Expand span errorTermTree to include skipped span. #14492
• Fix lookahead logic in Scanner #14562
• Add private inteface methods parsing in JavaParser #14643
• Reject postfix ops already in Parser #14677
• Syntax error recovery #14695

Pattern matching

• For generic tuples, call Tuples.apply instead of _1/_2/.. #14296
• Preserve the intersection of disjoint numbers in match analysis #14550
• Fix casting of generic tuple selection #14590
• Ignore private/sealed abstract class/traits #14599
• Drop special treatment for Scala-2 code in unapply #14766

Pickling

• Disable type simplify in unpickler #14506
• Check if package names will be encoded in desugar #14597
• Fix picking default syntax for comments #14725

Refchecks

• Don't skip override tests when overridden is AbsOverride #14527
• Extend "cannot override mutable variable" restriction to deferred var… #14724

Repl

• Avoid stale import context during REPL parsing #14493
• Fix #11202: Incorrect highlight for type constructor #14518
• Make empty catch an incomplete. #14519
• Add in feedback when resetting REPL state #14521
• Fix #14535: End marker now has the same color as its definition in repl #14555
• Add backticks when needed in completions #14594
• Autocomplete repl commands #14627
• Harden REPL in presence of values that fail to initialize #14702

Reporting

• Change error message text from "fully-initialized" to "fully initialized" #14400
• Improve -explain rendering #14357
• Propagate unreported features when flushing a reporter #14503
• Avoid using · character #14453
• Fix explain rendering with Windows EOL #14456
• Fix #14576: Ensure unreported warning summaries are also emitted via sbt-bridge #14602
• Add context to safe-init warnings for inlined methods #14646
• Show unique ids of pattern bound symbols #14716
• Don't replace typevars by their f-bounds in error messages #14723
• Error message improvement for illegal access extension methods #14730
• Warn on misleading indentation in single-case catch #14738
• Use correct ErrorMessageID for EmptyCatchOrFinallyBlock #14786
• Correct highlight interpolation in explain message #14802
  Don't issue implicit errors if parameter has default value #14849

Typer

• Fix approximating RefinedTypes (n>1) #14361
• Allow override protected[C] in companion #14105
• Hide apply generated for rotected case class constructor #14266
• Infer parameters of eta applications with vararg parameters #14397
• Keep softness when widening unions #14399
• Fix #11008: Support generic tuples as a valid unapply result #14434
• Fix TreeTypeMap to correctly substitute type parameters #14537
• ...

3.1.3-RC1

Highlights of the release

• f-interpolator: Scala 2 parity and bugfixes #13367
• Show inlined positions with source code on errors #14002
• Add reflect ClassDef.apply and Symbol.newClass #14124
• Add experimental TupledFunction #14414

Other changes and fixes

Backend

• Filter out static forwarders for Java package private methods #14662
• Emit all classes as public to avoid object deserialization issues #14686
• Upgrade to ASM 9.2 #14711

Desugaring

• Adapt function arguments to n-ary prototype #14651

Erasure

• Don't optimize explicitly written isInstanceOf tests away. #14715

Exports

• Fix use of exported prefix #14461
• Export constructor proxies for parameterized classes #14681

GADT

• Fix #14726: call exclusiveLower before addLess during unification #14727
• Avoid unsound GADT constraints derived from subtyping relations between singletons and refined types #14728
• Keep correct kind when preparing constraint in stripParams #14761

Initialization

• Add special case to init checker to always allow certain methods #14352

Implicits

• Avoid unnecessary under-constrained implicit searches #14353
• Prevent implicit conversion chaining #14750
• Fix hasKnownMembers #14762

Match types

• Fix #13855: Chaining Match Types fails at value level #14354
• Constrain pattern types when typing a match type case #14563
• Fix bounds of match type cases #14645

Metaprogramming

• Allow nested Quotes with a different owners #13652
• Add typed versions of Mirror.ProductOf#fromProduct #14114
• Fix #14393: foldOver in default TreeAccumulator can't process Typed nodes #14396
• Fix invariant quote type holes #14425
• Make singleton operations covariant #14452
• Find inline calls inserted in synthetic members #14480
• Don't generate Mirror.Sum for simple enum cases #14525
• Collect all local class definitions #14528
• Only make the staged parts of a quote inlineable #14604
• Tolerate some faults when copying trees in InlineTreeMap #14674
• Handle this prefix in objects (in quote patterns) #14732
• Detect when position is not in known source #14801
• Handle SummonFrom in reflect TreeAccumulator #14809
  -Handle situation where an inline info cannot be computed #14827

Opaque Types

• Disallow overriding opaque type aliases #14665
• Disallow private opaque type aliases #14666
• Generate opaque proxies also for base classes #14668

Parser

• Accept supplementary Unicode characters #13136
• Don't compute indents when in a string #14441
• Parse empty arguments in (invalid) Apply more often #14463
• Expand span errorTermTree to include skipped span. #14492
• Fix lookahead logic in Scanner #14562
• Add private inteface methods parsing in JavaParser #14643
• Reject postfix ops already in Parser #14677
• Syntax error recovery #14695

Pattern matching

• For generic tuples, call Tuples.apply instead of _1/_2/.. #14296
• Preserve the intersection of disjoint numbers in match analysis #14550
• Fix casting of generic tuple selection #14590
• Ignore private/sealed abstract class/traits #14599
• Drop special treatment for Scala-2 code in unapply #14766

Pickling

• Disable type simplify in unpickler #14506
• Check if package names will be encoded in desugar #14597
• Fix picking default syntax for comments #14725

Refchecks

• Don't skip override tests when overridden is AbsOverride #14527
• Extend "cannot override mutable variable" restriction to deferred var… #14724

Repl

• Avoid stale import context during REPL parsing #14493
• Fix #11202: Incorrect highlight for type constructor #14518
• Make empty catch an incomplete. #14519
• Add in feedback when resetting REPL state #14521
• Fix #14535: End marker now has the same color as its definition in repl #14555
• Add backticks when needed in completions #14594
• Autocomplete repl commands #14627
• Harden REPL in presence of values that fail to initialize #14702

Reporting

• Change error message text from "fully-initialized" to "fully initialized" #14400
• Improve -explain rendering #14357
• Propagate unreported features when flushing a reporter #14503
• Avoid using · character #14453
• Fix explain rendering with Windows EOL #14456
• Fix #14576: Ensure unreported warning summaries are also emitted via sbt-bridge #14602
• Add context to safe-init warnings for inlined methods #14646
• Show unique ids of pattern bound symbols #14716
• Don't replace typevars by their f-bounds in error messages #14723
• Error message improvement for illegal access extension methods #14730
• Warn on misleading indentation in single-case catch #14738
• Use correct ErrorMessageID for EmptyCatchOrFinallyBlock #14786
• Correct highlight interpolation in explain message #14802
  Don't issue implicit errors if parameter has default value #14849

Typer

• Fix approximating RefinedTypes (n>1) #14361
• Allow override protected[C] in companion #14105
• Hide apply generated for rotected case class constructor #14266
• Infer parameters of eta applications with vararg parameters #14397
• Keep softness when widening unions #14399
• Fix #11008: Support generic tuples as a valid unapply result #14434
• Fix TreeTypeMap to correctly substitute type parameters #14537
• Handle ownership changes in InlineTyper #14568
• Handle more corner cases in etaReduce #14628
• Remove false unchecked warnings on refined type...

3.1.2

Forward compatibility improvements

• Enable generation of TASTy files readable for older compilers #14156

General improvements

• Add eval (-e) expression evaluation to command line #14263
• Format compiler crash stack traces #14269
• Improve typer traces #14270
• Add -Xmacro-settings option and API #14234
• Add reflect TypeRepr.substituteTypes #13166
• Expand compiletime.ops #13400
• Cache isSubspace for a 3000% speedup #13637
• lint trivially self-recursive extension methods #13709
• add printTypesAndErasure test main method to compare typer and erasure #13745
• Warning for infinite recursive lazy vals #13749
• Provide scala.home setting for scripts #13759
• Improve message when -Xmax-inlines limit reached #13783
• Add append operator to Tuple #13786
• Allow passing any JMH option to scala3-bench #13787
• Warn on lossy conversion of literals & constants #13792
• Consider minTargetVersion as always supported #13811
• Add -Xmacro-check for Block constructors #13824
• Navigate the AST within AnnotatedType and ImportType #13834
• Refine handling of CanThrow capabilities #13866
• Indicate name of classfile where leaky mapping of existential type happens #13879
• Refine treatment of TypeBounds in patterns #13881
• Impose implicit search limit #13886
• Better handling of multiple exceptions for saferExceptions #13914
• Complete when importing same symbol multiple times #13972
• Implement :settings in the REPL #13982
• Fixes and improvements to trace logging #13984
• Fail compilation of attempting a 0-arity product extraction #14029
• Traverse the types to find experimental references #14047
• Retain HasDefaultParams flag on export. #14051
• Also consider private symbols in implicit scope of type #14054
• Allow return in tailrec position #14067
• Make outer references Java-synthetic #14084
• Add Reflect TypeRepr.typeArgs #14088
• Reject empty target names #14090
• Use =>> instead of => for printing a LambdaTypeTree #14107
• REPL: Add compiler options to :reset #14139
• Add hint on -Xcheck-macro scope extrusion failure #14203
• Support quoted PolyFunction #14222
• Update wording of uninitialized value error to be grammatically correct #14292
• Rename -Yscala-release, -release and -Xtarget settings to make them more consistent #14606

Scaladoc

• Fix missing known subtypes #13794
• Markdown preprocessor #13140
• Add source position for errors from doc-root-content file #13908
• Fix double implicit modifier #13909
• Fix links to unexisting types sites #13917
• Add support for tables in wiki syntax #13933
• Improve features parity with old scaladoc/docs.scala-lang #13954
• Add missing styles to snippets that are not Scala #13959
• Fix filtering extensions. Better support for exports #14125

SemanticDB

• Add annotations #13818
• Support TypeApply Synthetic #13481

Bug fixes

• Fix #13855: Chaining Match Types fails at value level #14354
• Fix #12260: Add underscore to match type syntax #12261
• Fix #11861 - hash nested calls to inline definitions #12931
• Avoid shadowing of name 'name' #13442
• Fix #13633: Can't reduce match types inside a type alias #13635
• Fix erased context function types #13736
• Widen qualifier skolems #13748
• Change order of proxy evaluation when inlining #13755
• Fix init checker on secondary constructor parameter access #13776
• Add missing @experimental in Tuples #13778
• Fix improper usage of constrained breaking type inference #13779
• Fix error message when deriving an obstract type #13812
• Handles Nothing when synthesizing CanEqual #13828
• Fix #13026: No longer print VBAR and padding in the middle of the message #13829
• Solves dotc assertion error on (non-sensical?) parameter type. #13769 #13830
• Fix missing code-completion on standalone annotations #13831
• Fix comparing AnyVal | Null to Null and selecting in UnsafeNulls #13837
• Fix error summary printed twice #13843
• Detect opaque aliases in inline val types #13857
• Fix @experimental @main methods #13858
• Fix #13860: Ignore bridges when looking for a default getter's attached method. #13870
• Add missing position when expanding error #13872
• Try to instantiate type variables in tryInsertImplicitOnQualifier #13884
• Fix crasher for missing integer argument on command line #13894
• Fix messages leaking via suspended messages #13911
• Don't lift try-catch statements that are already in local functions #13944
• Initialize quote cache on tasty inspector run #13953
• Tighten product match logic in irrefutable check #13962
• Fix Mirror.Product for type lambdas #14003
• Sound type avoidance (hopefully!) #14026
• Fix REPL clashing with CWD artefacts #14021
• Don't retypecheck erroneous arguments when fixing function #14043
• Fix #13994: initialise inline ctx in lateEnter #14050
• Inline inlined private methods before checking accessibility #14049
• Handle hoisted super arguments correctly in elimByName #14057
• Check variance of RHS of opaque type #14058
• Don't insert INDENT/UNINDENT without anything in between #14066
• Don't generate illegal types when clarifying implicit errors #14068
• Allow import <ident> to show completions #14069
• Bypass eligible caches for impl...

3.1.2-RC3

Notable Changes

• Revert #14067: "Allow return in tailrec position" - the change was breaking tasty compatibility.

Contributors

For the record, according to git shortlog -sn --no-merges 3.1.2-RC2..3.1.2-RC3, contributors list looks like this:

  2  Paweł Marks

3.1.2-RC2

Notable Changes

• Set context when reporting summonInline errors #14405
• Fix #14541: Problem running @main methods with command line arguments #14543
• Check defined in src for cache in companion #14557
• Rename -Yscala-release, -release and -Xtarget settings to make them more consistent #14606

Contributors

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

According to git shortlog -sn --no-merges 3.1.2-RC1..3.1.2-RC2 these are:

     1  Jamie Thompson
     1  Michał Pałka
     1  Nicolas Stucki
     1  Paweł Marks
     1  Som Snytt
     1  Andrzej Ressel