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False positive: unused import warning with 3.8.0-RC2 on <code>x as _</code>

itype:bug

stat:needs triageEvery issue needs to have an "area" and "itype" labelEvery issue needs to have an "area" and "itype" label

Status: Open.

#24555 In scala/scala3;

· OndrejSpanel opened on Nov 27, 2025

Unable to compile using scala-cli with 3.8.0-RC2

itype:bug

stat:needs triageEvery issue needs to have an "area" and "itype" labelEvery issue needs to have an "area" and "itype" label

Status: Open.

#24554 In scala/scala3;

· OndrejSpanel opened on Nov 27, 2025

MIMA Binary compatibility breakage updating <code>export</code> of <code>val</code> from Scala 3.7.4 -&gt; 3.8.0-RC1

area:export

area:MiMaIssues tied to binary compatibility based on semantic versioning.Issues tied to binary compatibility based on semantic versioning.

compat:java

itype:bug

regressionThis worked in a previous version but doesn't anymoreThis worked in a previous version but doesn't anymore

Status: Open.

#24553 In scala/scala3;

· lihaoyi opened on Nov 27, 2025

Severe compile performance regression for <code>Seq.++</code> chain

area:experimental:ccCapture checking relatedCapture checking related

itype:bug

itype:performance

prio:blocker

regressionThis worked in a previous version but doesn't anymoreThis worked in a previous version but doesn't anymore

Status: Open.

#24550 In scala/scala3;

· WojciechMazur opened on Nov 26, 2025

Scaladoc produces warning for enum case with explicit companion

itype:bug

stat:needs triageEvery issue needs to have an "area" and "itype" labelEvery issue needs to have an "area" and "itype" label

Status: Open.

#24549 In scala/scala3;

· eejbyfeldt opened on Nov 26, 2025

Inconsistent match type case legality

itype:bug

stat:needs triageEvery issue needs to have an "area" and "itype" labelEvery issue needs to have an "area" and "itype" label

Status: Open.

#24548 In scala/scala3;

· Bersier opened on Nov 26, 2025

Compiler crash in <code>getkyo/kyo</code> + <code>dotty-cps-async/dotty-cps-async</code>

area:metaprogramming:quotesIssues related to quotes and splicesIssues related to quotes and splices

area:metaprogramming:reflectionIssues related to the quotes reflection APIIssues related to the quotes reflection API

itype:bug

itype:crash

Status: Open.

#24547 In scala/scala3;

· WojciechMazur opened on Nov 25, 2025

Ysafe-init-global causes extreme compilation slowdown

area:initialization

itype:bug

itype:crash

prio:high

Status: Open.

#24544 In scala/scala3;

· Bersier opened on Nov 25, 2025

Very obscure error message when cause is unboxing of parameter bounds

area:experimental:ccCapture checking relatedCapture checking related

area:reportingError reporting including formatting, implicit suggestions, etcError reporting including formatting, implicit suggestions, etc

better-errorsIssues concerned with improving confusing/unhelpful diagnostic messagesIssues concerned with improving confusing/unhelpful diagnostic messages

itype:bug

Status: Open.

#24543 In scala/scala3;

· odersky opened on Nov 25, 2025

Mirror are available for NamedTuples when names and fields are not fully known

itype:bug

stat:needs triageEvery issue needs to have an "area" and "itype" labelEvery issue needs to have an "area" and "itype" label

Status: Open.

#24542 In scala/scala3;

· eejbyfeldt opened on Nov 25, 2025

Type variables with capturing bounds confuse separation checking

area:experimental:ccCapture checking relatedCapture checking related

Status: Open.

#24539 In scala/scala3;

· odersky opened on Nov 25, 2025

Infinite loop/non-termination compiling extension methods defined on Iron refined types

area:extension-methods

itype:bug

itype:compiler hangsIssues where the compiler hangs.Issues where the compiler hangs.

Status: Open.

#24537 In scala/scala3;

· benhutchison opened on Nov 25, 2025