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GitHub / scala/scala3 issues and pull requests

Labelled with: regression

#24134 - Regression for java compatibility in `apache/pekko-http`

Issue - State: open - Opened by WojciechMazur 2 months ago
Labels: itype:bug, compat:java, regression, stat:needs triage

#24102 - Regression in `sangria-graphql/sangria` for constructing case class instance

Issue - State: closed - Opened by WojciechMazur 2 months ago
Labels: itype:bug, itype:crash, area:library, regression

#24101 - Regression for copy method referring to lazy vals and Scala collections

Issue - State: open - Opened by WojciechMazur 2 months ago
Labels: itype:bug, regression, stat:needs triage

#24038 - Regression in `pityka/relational3` for transparent inline with match types

Issue - State: open - Opened by WojciechMazur 3 months ago
Labels: itype:bug, regression, stat:needs triage

#24013 - Regression in `com-lihaoyi/mill` for Array class tags inference in Kotlin interop

Issue - State: open - Opened by WojciechMazur 3 months ago
Labels: itype:bug, regression, stat:needs triage

#24007 - Regression in `zio/zio-schema` for typer/implicit resolution

Issue - State: open - Opened by WojciechMazur 3 months ago
Labels: itype:bug, regression, stat:needs triage

#23967 - Wunused: False positive for compiletime.testing.typeCheckErrors

Issue - State: open - Opened by jchyb 3 months ago - 5 comments
Labels: itype:bug, regression, stat:needs triage

#23958 - Scala 3.8 nightlies regressions tracker

Issue - State: open - Opened by WojciechMazur 3 months ago
Labels: help wanted, area:community build, regression

#23936 - `-Yexplicit-nulls` breaks anonymous sealed class implementations

Issue - State: closed - Opened by WojciechMazur 3 months ago - 2 comments
Labels: itype:bug, itype:crash, area:nullability, regression, area:private options, area:flexible-types

#23885 - `Seq.++` leaks private symbols to infered type signature

Issue - State: open - Opened by WojciechMazur 3 months ago
Labels: itype:bug, area:typer, regression, stat:needs triage, area:experimental:cc

#23845 - `-Yexplicit-nulls` breaks macros expecting `Type` context bound

Issue - State: closed - Opened by WojciechMazur 3 months ago - 11 comments
Labels: itype:bug, area:nullability, regression, area:metaprogramming:quotes, area:private options

#23804 - Cyclic error for `import scala.runtime.stdLibPatches.Predef.assert`

Issue - State: closed - Opened by WojciechMazur 4 months ago - 9 comments
Labels: itype:bug, itype:meta, stat:wontfix, regression

#23696 - Type mismatch error using case class extractor with multiple type parameters, constraints, and | matcher

Issue - State: closed - Opened by eejbyfeldt 4 months ago - 3 comments
Labels: itype:bug, area:pattern-matching, regression

#23651 - multiple `@nowarn` annotation does not work since Scala 3.7.0

Issue - State: closed - Opened by xuwei-k 4 months ago - 6 comments
Labels: itype:bug, regression, better-errors

#23627 - Regression (again) in 3.7: "cannot resolve reference to type"

Issue - State: closed - Opened by smarter 4 months ago
Labels: itype:bug, area:typer, regression

#23616 - Regression in erasure for `typelevel/spotted-leopards`

Issue - State: closed - Opened by WojciechMazur 4 months ago - 2 comments
Labels: itype:bug, area:erasure, regression

#23611 - Regression in typer for zio-archive/zio-connect

Issue - State: open - Opened by WojciechMazur 5 months ago
Labels: itype:bug, regression, stat:needs triage

#23576 - Regression in lazy symbol completion or bug in nested classfile parser

Issue - State: closed - Opened by WojciechMazur 5 months ago - 2 comments
Labels: itype:bug, stat:needs minimization, regression, stat:needs triage

#23530 - Regression in 3.7: "cannot resolve reference to type" when calling dependent method

Issue - State: open - Opened by smarter 5 months ago
Labels: itype:bug, area:typer, regression

#23444 - UI freezes with latest ScalaFX requiring Java greater than 21 to run the JFXApp3 - inexplicable infinite loop

Issue - State: closed - Opened by sjbiaga 6 months ago - 6 comments
Labels: itype:bug, regression, area:jdk

#23250 - False positive unused given in extensions when referring to type alias

Issue - State: open - Opened by WojciechMazur 7 months ago
Labels: itype:bug, regression, area:linting

#23237 - Typer regression in `purplekingdomgames/ultraviolet`

Issue - State: open - Opened by WojciechMazur 7 months ago
Labels: itype:bug, area:typer, regression

#23217 - Regression in 3.7.1-RC1: type error when calling dependent method despite types matching

Issue - State: closed - Opened by smarter 7 months ago
Labels: itype:bug, area:typer, regression

#23125 - False positive unused given in extensions

Issue - State: closed - Opened by WojciechMazur 7 months ago - 4 comments
Labels: itype:bug, regression, area:linting, stat:fixed in nightly

#23095 - Typer regression in `creativescala/krop`

Issue - State: open - Opened by WojciechMazur 7 months ago
Labels: itype:bug, area:typer, regression

#23056 - Typer regression for dependant types in multiple OpenCB projects

Issue - State: closed - Opened by WojciechMazur 8 months ago - 2 comments
Labels: itype:bug, area:typer, prio:blocker, regression

#23047 - False positive warning: Unused import of a package

Issue - State: closed - Opened by OndrejSpanel 8 months ago - 3 comments
Labels: itype:bug, regression, area:linting

#23033 - unused annotation does not silence warning in given using with shorthand

Issue - State: closed - Opened by eejbyfeldt 8 months ago - 3 comments
Labels: itype:bug, area:annotations, area:implicits, regression, area:linting

#23032 - java.lang.AssertionError: Failure to join alternatives F and F

Issue - State: closed - Opened by DolphinChips 8 months ago - 3 comments
Labels: itype:bug, area:typer, itype:crash, regression

#22983 - False positive unused import in 3.7 nightly for value only used for export

Issue - State: closed - Opened by mrdziuban 8 months ago - 2 comments
Labels: itype:bug, regression, area:linting

#22981 - False positive unused import on type used in macro type pattern

Issue - State: closed - Opened by mrdziuban 8 months ago - 1 comment
Labels: itype:bug, regression, area:linting

#22974 - Typer regression in `getkyo/kyo`

Issue - State: closed - Opened by WojciechMazur 8 months ago - 7 comments
Labels: itype:bug, area:typer, regression

#22968 - Defining an enum in typeCheckErrors always returns errors

Issue - State: closed - Opened by eejbyfeldt 8 months ago - 2 comments
Labels: itype:bug, area:enums, regression, area:metaprogramming:compiletime

#22922 - Typer regression in `marcinzh/beam` for combination of dependant and intersections types

Issue - State: open - Opened by WojciechMazur 8 months ago
Labels: itype:bug, regression, stat:needs triage

#22920 - Extension in implicit object can no longer be used

Issue - State: closed - Opened by WojciechMazur 8 months ago - 3 comments
Labels: itype:bug, stat:wontfix, area:implicits, regression

#22895 - False positive unused warnings in 3.7 nightly on implicits in method overrides

Issue - State: closed - Opened by mrdziuban 8 months ago - 3 comments
Labels: itype:bug, area:implicits, regression, area:linting

#22890 - Build tools issues discovered by binary breakage changes in Scala 3 stdlib

Issue - State: open - Opened by WojciechMazur 8 months ago - 37 comments
Labels: itype:bug, area:tooling, area:library, regression, area:experimental, stat:needs fix upstream, area:capabilities

#22884 - False negative for duplicated private top-level definitions in multiple files

Issue - State: closed - Opened by WojciechMazur 9 months ago - 1 comment
Labels: itype:bug, itype:invalid, area:overloading, regression

#22882 - Changed type constraint behaviour when pattern matching with unions

Issue - State: closed - Opened by WojciechMazur 9 months ago - 3 comments
Labels: itype:bug, area:typer, area:pattern-matching, regression

#22844 - optional braces no longer work in repl

Issue - State: closed - Opened by bishabosha 9 months ago - 6 comments
Labels: itype:bug, area:repl, regression, area:optional-braces

#22812 - Compiler hangs under -Wunused with Scala 3.7.0-RC1

Issue - State: closed - Opened by OndrejSpanel 9 months ago - 7 comments
Labels: itype:bug, itype:crash, stat:needs minimization, regression, area:linting, itype:compiler hangs

#22794 - Running tests with `munit` and Scala.js breaks for Scala 3.7

Issue - State: closed - Opened by Gedochao 9 months ago - 2 comments
Labels: itype:bug, area:scala.js, prio:blocker, regression

#22737 - Compiler crash in 3.7 nightly while compiling http4s-related code, "invalid new prefix"

Issue - State: closed - Opened by mrdziuban 9 months ago - 6 comments
Labels: itype:bug, stat:duplicate, stat:needs minimization, area:extension-methods, regression

#22731 - Wrong rewrite of implicit arguments passed as { }

Issue - State: closed - Opened by OndrejSpanel 9 months ago - 13 comments
Labels: itype:bug, area:rewriting tool, area:implicits, regression

#22724 - Regression in typer

Issue - State: closed - Opened by WojciechMazur 9 months ago - 2 comments
Labels: itype:bug, area:typer, regression

#22713 - Regression in type inference

Issue - State: open - Opened by WojciechMazur 9 months ago
Labels: itype:bug, area:typer, regression

#22676 - Regression crash in 3.6.4-RC1 posttyper

Issue - State: closed - Opened by Y-Less 10 months ago - 3 comments
Labels: itype:bug, itype:crash, regression, area:posttyper

#22629 - Severe performance regression in `neotypes/neotypes`

Issue - State: closed - Opened by WojciechMazur 10 months ago - 4 comments
Labels: itype:bug, area:transform, itype:performance, regression

#22626 - Cannot create package protected class instance using apply method

Issue - State: closed - Opened by WojciechMazur 10 months ago
Labels: itype:bug, area:typer, regression

#22598 - Regression in `kubukoz/spotify-next` - incorrect implicit parameter clause warning leading to an illegal rewrite

Issue - State: closed - Opened by jchyb 10 months ago - 3 comments
Labels: itype:bug, area:rewriting tool, area:reporting, area:implicits, regression

#22596 - Regression in `durban/choam` - type argument does not conform to upper bound

Issue - State: open - Opened by jchyb 10 months ago - 3 comments
Labels: itype:bug, area:typer, regression

#22581 - Regression(?) in kubukoz/slick-effect - type projections in separate compilation runs

Issue - State: closed - Opened by jchyb 10 months ago - 13 comments
Labels: itype:bug, area:typer, regression

#22571 - Crash due to `Span.start` assertinons in `typer.Migrations.implicitParams`

Issue - State: open - Opened by WojciechMazur 10 months ago
Labels: itype:bug, area:typer, itype:crash, stat:needs minimization, regression

#22499 - Regression in CheckUnused leads to compiler crash

Issue - State: closed - Opened by WojciechMazur 10 months ago - 7 comments
Labels: itype:bug, itype:crash, stat:needs minimization, regression, area:linting

#22470 - Regression in JVM backend when access closures from local class

Issue - State: closed - Opened by WojciechMazur 11 months ago - 1 comment
Labels: itype:bug, itype:crash, regression, area:lambda-lift

#22468 - Regression for opaque types in `getkyo/kyo` leading to StackOverflowError

Issue - State: open - Opened by WojciechMazur 11 months ago
Labels: itype:bug, itype:crash, regression, area:opaque-types

#22439 - Implicits are resolved with empty parameter lists

Issue - State: closed - Opened by hamzaremmal 11 months ago - 10 comments
Labels: itype:bug, area:implicits, regression

#22424 - Regression in `scalamock/scalamock` for accessing nested types

Issue - State: closed - Opened by WojciechMazur 11 months ago - 4 comments
Labels: itype:bug, regression, area:metaprogramming:reflection

#22334 - Compiler doesn't generate error "takes type parameters" in extends list

Issue - State: closed - Opened by unkarjedy 11 months ago - 9 comments
Labels: itype:bug, area:typer, regression

#22213 - "assertion failed: unresolved symbols: type s2 (line 10) #53305 when pickling" on VirtusLab iskra

Issue - State: closed - Opened by tribbloid 12 months ago - 8 comments
Labels: itype:bug, area:pickling, regression

#22076 - Regression crash when using ? as type arg for parameter and then using match type on it

Issue - State: closed - Opened by szymon-rd about 1 year ago - 2 comments
Labels: itype:bug, area:typer, itype:crash, regression

#22070 - Regression in `indoorvivants/genovese`

Issue - State: open - Opened by WojciechMazur about 1 year ago
Labels: itype:bug, area:typer, regression

#22023 - Selectable with `Fields` crashes with `invalid prefix ContextualMethodType` when `selectDynamic` has implicit context arguments

Issue - State: closed - Opened by soronpo about 1 year ago - 4 comments
Labels: itype:bug, stat:duplicate, area:typer, itype:crash, regression, stat:needs bisection, area:named-tuples

#21981 - Typer regression in `business4s/decisions4s`

Issue - State: closed - Opened by WojciechMazur about 1 year ago
Labels: itype:bug, area:typer, regression

#21958 - Regression in parser for refined givens

Issue - State: closed - Opened by WojciechMazur about 1 year ago - 3 comments
Labels: itype:bug, area:parser, regression

#21952 - Evaluation of invalid Function crashes Scala

Issue - State: closed - Opened by jcarbaut about 1 year ago - 2 comments
Labels: itype:bug, area:transform, itype:crash, regression

#21914 - Infinite loop in PatternMatching in `arainko/ducktape`

Issue - State: closed - Opened by WojciechMazur about 1 year ago - 4 comments
Labels: itype:bug, area:pattern-matching, itype:performance, itype:crash, stat:needs minimization, regression

#21860 - False-positive `Unreachable case` warning for mix-in type test

Issue - State: closed - Opened by ivan-klass about 1 year ago - 1 comment
Labels: itype:bug, area:reporting, area:pattern-matching, regression

#21853 - Crash in pickler when self type is intersection type

Issue - State: closed - Opened by WojciechMazur about 1 year ago - 3 comments
Labels: itype:bug, stat:duplicate, area:pickling, itype:crash, regression

#21845 - Regression for pattern match over dependant sealed traits

Issue - State: open - Opened by WojciechMazur about 1 year ago
Labels: itype:bug, area:pattern-matching, regression

#21844 - Stale symbol when calling a macro in companion object when superclass has a lazy val

Issue - State: closed - Opened by prolativ about 1 year ago - 2 comments
Labels: itype:bug, itype:crash, area:inline, regression, area:metaprogramming:quotes

#21802 - Enabling `-experimental` introduces compiler crash in transparent inline macro

Issue - State: closed - Opened by WojciechMazur about 1 year ago - 2 comments
Labels: itype:bug, area:typer, area:parser, itype:crash, regression, area:experimental, area:metaprogramming:quotes

#21770 - Regression in typer for closure body treated as named tuple

Issue - State: closed - Opened by WojciechMazur about 1 year ago - 2 comments
Labels: itype:bug, area:typer, regression, area:experimental:named-tuples

#21769 - Regression in parser for usage of user defined `inflix trait as`

Issue - State: open - Opened by WojciechMazur about 1 year ago - 1 comment
Labels: itype:bug, area:parser, regression, area:spec, area:experimental:modularity

#21768 - New givens syntax does no logger accepts valid given defintions

Issue - State: closed - Opened by WojciechMazur about 1 year ago - 1 comment
Labels: itype:bug, area:parser, area:implicits, regression

#21767 - Regression in typer for named arguments of infix methods in `ghostdogpr/caliban`

Issue - State: closed - Opened by WojciechMazur about 1 year ago - 5 comments
Labels: itype:bug, area:typer, regression

#21755 - unhandled exception while running pickler

Issue - State: closed - Opened by peter-empen about 1 year ago - 6 comments
Labels: itype:bug, area:pickling, itype:crash, regression

#21727 - Regression in eta-expansion while overloading as of 3.3.4

Issue - State: closed - Opened by majk-p about 1 year ago - 7 comments
Labels: itype:bug, area:typer, stat:wontfix, regression

#21682 - Regression for type inference/ method overload in `katrix/dataprism`

Issue - State: closed - Opened by WojciechMazur about 1 year ago
Labels: itype:bug, area:typer, regression

#21676 - Regression in akka/akka for type inference of partial functions

Issue - State: closed - Opened by WojciechMazur about 1 year ago - 1 comment
Labels: itype:bug, area:typer, regression

#21672 - Position of Some type generates warning

Issue - State: closed - Opened by MateuszKubuszok about 1 year ago - 1 comment
Labels: itype:bug, area:reporting, regression

#21669 - Scala 3.5.x compiler crash with `java.lang.UnsupportedOperationException: empty.reduceLeft`

Issue - State: closed - Opened by alexandru about 1 year ago - 3 comments
Labels: itype:bug, area:typer, stat:needs minimization, regression, stat:needs bisection

#21662 - Scaladoc: fails to generate doc for ScAS

Issue - State: closed - Opened by rjolly about 1 year ago - 9 comments
Labels: itype:bug, area:doctool, regression

#21652 - Crashes when defining a polymorphic function with by name parameters: `assertion failed: Not a valid PolyFunction refinement`

Issue - State: closed - Opened by Atry about 1 year ago - 1 comment
Labels: itype:bug, area:typer, itype:crash, regression, area:polyfunction

#21632 - Type infererence regression in `pityka/lamp`

Issue - State: closed - Opened by WojciechMazur about 1 year ago - 2 comments
Labels: itype:bug, area:typer, regression

#21631 - Unable to extend protected nested class

Issue - State: open - Opened by WojciechMazur about 1 year ago
Labels: itype:bug, area:typer, compat:java, regression

#21599 - Regression in `playframework/playframework` for access to private static class public members

Issue - State: closed - Opened by WojciechMazur about 1 year ago - 6 comments
Labels: itype:bug, compat:java, area:erasure, regression

#21568 - Regression for type inference of cyclic non-inlined methods

Issue - State: closed - Opened by WojciechMazur over 1 year ago - 1 comment
Labels: itype:bug, area:typer, regression

#21526 - Scala-3.5.0 runner requires JDK-17+ on BSD

Issue - State: closed - Opened by catap over 1 year ago - 6 comments
Labels: itype:bug, stat:wontfix, regression, area:runner, stat:should be raised upstream

#21506 - Regression as side-effect of mapping context bounds to using arguments

Issue - State: closed - Opened by WojciechMazur over 1 year ago - 4 comments
Labels: itype:bug, area:typer, area:implicits, regression

#21420 - Regression for `-Wunused:import` in `business4s/decisions4s`

Issue - State: closed - Opened by WojciechMazur over 1 year ago - 3 comments
Labels: itype:bug, regression, area:linting

#21402 - No workaround to dependent-type match types after SIP-56

Issue - State: open - Opened by WojciechMazur over 1 year ago - 8 comments
Labels: itype:bug, area:typer, area:match-types, regression, area:spec

#21352 - Regression in `softwaremill/tapir` - StaleSymbolException when compiling macros

Issue - State: closed - Opened by WojciechMazur over 1 year ago
Labels: itype:bug, itype:crash, regression, stat:needs triage

#21320 - Regression in `virtuslab/scala-cli` for derivation

Issue - State: closed - Opened by WojciechMazur over 1 year ago - 5 comments
Labels: itype:bug, itype:crash, area:typeclass-derivation, regression

#21307 - Regression for method dispatch in `7mind/izumi`

Issue - State: closed - Opened by WojciechMazur over 1 year ago - 7 comments
Labels: itype:bug, area:typer, stat:wontfix, area:overloading, regression

#21303 - Regression for implicit search in mixed Java/Scala compilation in `scala-tsi/scala-tsi`

Issue - State: closed - Opened by WojciechMazur over 1 year ago - 8 comments
Labels: itype:bug, area:typer, area:implicits, regression

#21295 - Regression in `foldables-io/skunk-tables` for match types: with error "selector is uninhabited" but selector is actually inhabited

Issue - State: closed - Opened by WojciechMazur over 1 year ago - 6 comments
Labels: itype:bug, area:match-types, regression

#21275 - Regression in `mjakubowski84/parquet4s` for type inference

Pull Request - State: open - Opened by WojciechMazur over 1 year ago
Labels: itype:bug, area:typer, regression

#21271 - Compiler crashes when combining lazy val and macros

Issue - State: closed - Opened by WojciechMazur over 1 year ago - 2 comments
Labels: itype:bug, itype:crash, regression, area:metaprogramming:reflection

#21264 - Regression in implicit search in mixed implicit/givens sources

Issue - State: closed - Opened by WojciechMazur over 1 year ago - 12 comments
Labels: itype:bug, area:implicits, regression