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Issues list

Don't point to the compiler backlog when a compiler plugin phase crashes area:compiler-plugins Issues tied with handling of compiler plugins. area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#21783 opened Oct 16, 2024 by Gedochao
@KacperFKorban
very obfuscated error when using val in for comprehension area:parser area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#21746 opened Oct 10, 2024 by bishabosha
Better warning for matching values with flexible types in explicit nulls area:nullability area:private options Issues tied to -Y private/internal compiler settings. area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages good first issue Perfect for someone who wants to get started contributing itype:enhancement
#21577 opened Sep 11, 2024 by noti0na1
1
1
Given error positioning is ambiguous and should mark the entire expression instead area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:bug
#21537 opened Sep 4, 2024 by soronpo
false-positive "unused import" warning area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:bug
#21525 opened Aug 31, 2024 by xuwei-k
2
Crash at inlining probably polutes the error reports when inlined value is Nothing area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#21396 opened Aug 19, 2024 by WojciechMazur
(minor) usage of scala.ContextFunction0 should produce "context function types require at least one parameter" error area:context functions Issues tied to context functions. area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:bug
#21321 opened Aug 2, 2024 by unkarjedy
Union type: no warning for duplicate types area:linting Linting warnings enabled with -W or -Xlint area:reporting Error reporting including formatting, implicit suggestions, etc area:union-types Issues tied to union types. better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement prio:low
#21240 opened Jul 22, 2024 by kraktus
2
All asserts in Quotes should give helpful error messages area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#20946 opened Jul 2, 2024 by KacperFKorban
@Florian3k
Incorrect "the type test for A cannot be checked at runtime because it's a local class" warning area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#20741 opened Jun 22, 2024 by uosis
7
incorrect Suspicious top-level unqualified call warning message area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:bug
#20651 opened Jun 20, 2024 by xuwei-k
1
1
No type-mismatch error in fewer-braces code when using context function area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#20563 opened Jun 13, 2024 by WojciechMazur
Tell me if I try to define a companion to an existing symbol that is separately compiled area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#20510 opened Jun 1, 2024 by som-snytt
Misleading unreachable case warning when matching on an inlined pattern matched type area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:bug
#20499 opened May 30, 2024 by DanielMoss
Error does not show why rewrite to assignment did not work out area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#20462 opened May 23, 2024 by som-snytt
Strange cyclic reference errors in complex inheritance source with opaque types area:opaque-types area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#20414 opened May 15, 2024 by OndrejSpanel
Expected Warning not happening when using higher-kinded types area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#20412 opened May 15, 2024 by matheussbernardo
2
Wrong unreachable code reported for inline def pattern match area:pattern-matching better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:bug
#20395 opened May 13, 2024 by enif-lee
2
Suggest using a newer JDK for unavailable options in -java-output-version better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#20373 opened May 9, 2024 by BalmungSan
3
Disappearing deprecation warning with unhelpful suggestion area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#20340 opened May 6, 2024 by kyouko-taiga
2
val pattern match extraction does not understand actual type (with or without type ascription.) area:pattern-matching area:spec better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:bug
#20334 opened May 4, 2024 by megri
4
The match type contains an illegal case; what makes it illegal? area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#20266 opened Apr 25, 2024 by Adam-Vandervorst
3
Different error messages displayed on implicit parameter search failure for extensions on the extended type's singleton object vs outside area:implicits related to implicits area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#20126 opened Apr 8, 2024 by natsukagami
1
Confusing error message when type arguments are supplied to a higher kinded type area:implicits related to implicits area:reporting Error reporting including formatting, implicit suggestions, etc better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement
#20124 opened Apr 8, 2024 by OndrejSpanel
1
Error about a missing using clause incorrectly suggests use of -rewrite to fix. area:reporting Error reporting including formatting, implicit suggestions, etc area:rewriting tool better-errors Issues concerned with improving confusing/unhelpful diagnostic messages itype:enhancement stat:needs info stat:needs minimization Needs a self contained minimization
#19872 opened Mar 4, 2024 by reid-spencer
4
ProTip! What’s not been updated in a month: updated:<2024-09-22.