Repository Issues

scala/scala3

The Scala 3 compiler, also known as Dotty.

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Stars
 (6,247 stars)
Forks
 (1,159 forks)
Indexed issues
 (20 indexed issues)
open beginner issues
 (20 open beginner issues)
Latest indexed
Jul 24, 2026
Last GitHub push
May 14, 2026
License
Apache License 2.0
Contributing guide
Contributing guide
Code of conduct
No code of conduct
Dominant language
Scala
PR merge metrics
 (Avg merge 18d 14h) (133 merged PRs in 30d)
Beginner labels
help wantedgood first issue

Issues

20 open indexed issues

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Open
Consider nullable annotations in explicit nulls
area:nullabilitycompat:javagood first issueitype:enhancementitype:question

scala/scala3 #21,629 opened Sep 23, 2024 · Scala · 6,247 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
9 comments3 reactions1 assignee
Open
doc tool - support GitHub flavoured markdown table
area:doctoolgood first issueitype:enhancement

scala/scala3 #19,525 opened Jan 24, 2024 · Scala · 6,247 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
1 comment0 reactions1 assignee
Open
Slow performance in a combination of features
area:inferarea:typerbackloghelp wanteditype:enhancementitype:performancestat:needs minimization

scala/scala3 #18,763 opened Oct 25, 2023 · Scala · 6,247 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
12 comments0 reactions0 assignees
Open
Scala.js backend cannot emit static fields
area:backendarea:scala.jsexp:advancedhelp wanteditype:enhancement

scala/scala3 #14,710 opened Mar 18, 2022 · Scala · 6,247 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
1 comment0 reactions1 assignee
Open
Compiler error with -new-syntax and -source:3.0-migration
area:parserarea:rewriting toolbackloghelp wanteditype:bugprio:low

scala/scala3 #14,694 opened Mar 16, 2022 · Scala · 6,247 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
2 comments0 reactions0 assignees
Open
Warn when a pattern-bound variable shadows a regular variable
area:pattern-matchingarea:reportingbackloghelp wanteditype:enhancement

scala/scala3 #10,749 opened Dec 10, 2020 · Scala · 6,247 stars

Why recommendedHas a beginner-friendly label · Contributing guide available
Has a beginner-friendly labelContributing guide available
5 comments2 reactions1 assignee
Open
cached derived instance loses refinements
help wanteditype:bugitype:enhancement

scala/scala3 #10,031 opened Oct 18, 2020 · Scala · 6,247 stars

Why recommendedNo assignee yet · Has a beginner-friendly label
No assignee yetHas a beginner-friendly labelContributing guide available
9 comments0 reactions0 assignees
Open
Improve debugging support by implementing JSR-45
area:backendcompat:scala2help wanteditype:enhancement

scala/scala3 #9,715 opened Sep 3, 2020 · Scala · 6,247 stars

Why recommendedNo comments yet · Has a beginner-friendly label
No comments yetHas a beginner-friendly labelContributing guide available
0 comments1 reaction1 assignee
Open
Rechecking inferred type arguments fails.
area:typerbackloghelp wanteditype:bug

scala/scala3 #9,697 opened Sep 1, 2020 · Scala · 6,247 stars

Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments0 reactions0 assignees
Open
Port incremental compilation tests from Zinc
area:sbt-bridgearea:testinghelp wanted

scala/scala3 #4,650 opened Jun 12, 2018 · Scala · 6,247 stars

Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments0 reactions0 assignees
Open
Ycheck consistency between flags
backloghelp wanteditype:enhancement

scala/scala3 #1,329 opened Jun 23, 2016 · Scala · 6,247 stars

Why recommendedNo assignee yet · No comments yet
No assignee yetNo comments yetHas a beginner-friendly labelContributing guide available
0 comments0 reactions0 assignees