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Issues list

Asymmetric generic signatures for HKT in covariant/contravariant types area:backend compat:scala2 itype:bug
#21576 opened Sep 11, 2024 by WojciechMazur
2
Inline methods of opaque types leave redundant proxies in byte code area:backend area:inline area:opaque-types itype:enhancement
#21334 opened Aug 6, 2024 by soronpo
Missing ParameterisedType for inherited generics area:backend area:erasure itype:bug
#20270 opened Apr 26, 2024 by jchyb
Missing ParameterizedType for Option in LTS 3.3 area:backend area:erasure itype:bug stat:fixed in next The issue was fixed in Next and only still applies to LTS.
#20263 opened Apr 25, 2024 by jchyb
SAM extending Function1 causes anonymous class to be generated area:backend area:transform itype:bug
#19387 opened Jan 6, 2024 by armanbilge
2
Bytecode generation bug involving magnolia and runtime annotations area:backend itype:bug stat:needs minimization Needs a self contained minimization
#19303 opened Dec 20, 2023 by oyvindberg
5
Scala 3.3.1: Concrete method inside trait marked (incorrectly?) as ACC_BRIDGE and ACC_SYNTHETIC area:backend area:transform itype:bug
#19270 opened Dec 14, 2023 by mkurz
1
@sjrd
10
3.3 impl of a 2.13 trait ignores field annotation target area:backend itype:bug
#19205 opened Dec 5, 2023 by akshaal
3
Static forwarder for local method is not consistently generated area:backend itype:bug stat:needs minimization Needs a self contained minimization
#18248 opened Jul 19, 2023 by raboof
2
Compiletime Operations and Tuples with Recursion for Typeclass derivation. area:backend area:erasure itype:bug
#17169 opened Mar 29, 2023 by fabianhjr
5
Polymorphic extension method corrupts java class containing it: "bad class file" area:backend area:extension-methods compat:java itype:bug
#16727 opened Jan 19, 2023 by Sporarum
@Kordyjan
1
MalformedParameterizedTypeException in getGenericReturnType for T[X,Y] <: Iterable[(X, Y)] area:backend compat:java itype:bug
#15903 opened Aug 24, 2022 by mprihoda
"UTF8 string too large" in GenBCode area:backend better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:bug itype:crash
#15850 opened Aug 12, 2022 by keynmol Future versions
1
5
Scala.js backend cannot emit static fields area:backend area:scala.js exp:advanced help wanted itype:enhancement
#14710 opened Mar 18, 2022 by TheElectronWill
@sjrd
1
Refinement creates raw type in Java generic signature area:backend itype:bug
#12199 opened Apr 23, 2021 by bishabosha
java generic signature for value class array is unboxed but descriptor is boxed area:backend itype:bug
#12189 opened Apr 22, 2021 by bishabosha
@smarter
Compile to jar file in Windows crashes if the target jar is specified in classpath area:backend compat:scala2 compat:windows itype:bug itype:crash
#10775 opened Dec 13, 2020 by philwalk
5
Java generic signature and descriptor alignment for context functions area:backend itype:bug
#10039 opened Oct 19, 2020 by bishabosha
Java style enums are accessed from the companion object area:backend backlog No work planned on this by the core team for the time being. stat:needs info
#9959 opened Oct 7, 2020 by bishabosha
1
Improve debugging support by implementing JSR-45 area:backend compat:scala2 help wanted itype:enhancement
#9715 opened Sep 3, 2020 by smarter
1
@Kordyjan
VerifyError with weird circular reference in class def area:backend itype:bug
#9270 opened Jul 1, 2020 by som-snytt
1
3
ImportType is not handled by Printer area:backend itype:bug
#8891 opened May 6, 2020 by tgodzik
2
Bytecode line numbers for calls within inlined code may be worng area:backend area:erasure itype:bug prio:low
#6085 opened Mar 13, 2019 by nicolasstucki
2
Enum ordinals -> tableswitch area:backend itype:performance
#5537 opened Nov 28, 2018 by tpolecat
5
reflect.Selectable does not mangle operator names area:backend itype:bug stat:needs spec
#4528 opened May 14, 2018 by Blaisorblade
12
ProTip! Updated in the last three days: updated:>2025-05-15.