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Behavior of opaque type combined with inline method changed in 3.8.4

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.

#25754 In scala/scala3;

· mrdziuban opened on Apr 9, 2026

RuntimeException: Invalid pattern in Match node using subCases

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.

#25746 In scala/scala3;

· mrdziuban opened on Apr 9, 2026

Compiler regression in type inferrence

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.

#25742 In scala/scala3;

· felix-hedenstrom opened on Apr 9, 2026

trasparent typo in transparent inline given compiler error

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:enhancement

Status: Open.

#25741 In scala/scala3;

· DarrenBishop opened on Apr 9, 2026

export a.* in classes extending AnyVal causes runtime errors

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.

#25739 In scala/scala3;

· coreywoodfield opened on Apr 8, 2026

Unexpected type widening after copy

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.

#25735 In scala/scala3;

· felix-hedenstrom opened on Apr 8, 2026

unexpected compiler behavior of Range

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

Status: Open.

#25730 In scala/scala3;

· jimka2001 opened on Apr 8, 2026

PostTyper: exponential compile time with chained transparent inline macro operations

Status: Open.

#25728 In scala/scala3;

· soronpo opened on Apr 8, 2026

Nested boundary: block silently catches break meant for outer boundary via type inference

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.

#25727 In scala/scala3;

· haskiindahouse opened on Apr 8, 2026

AssertionError in erasure when overriding generic trait method with erased using clause before type-param argument

itype:bug

itype:crash

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

Status: Open.

#25726 In scala/scala3;

· haskiindahouse opened on Apr 8, 2026

VerifyError: erased context function parameter before non-erased produces invalid bytecode

area:backend

area:erasure

itype:bug

itype:crash

Status: Open.

#25725 In scala/scala3;

· haskiindahouse opened on Apr 8, 2026

Recursive macro splice causes StackOverflowError during inlining phase

itype:bug

itype:crash

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

Status: Open.

#25724 In scala/scala3;

· haskiindahouse opened on Apr 8, 2026