Issues

• assertion failed: illegal modifier tag 251 at Addr(82313), end = Addr(82312)

  itype:bugstat:needs triage
  scala/scala3#27256 · Filter by author tgodzik opened on Oct 8, 2026
  

• Release procedure for 3.3.9-RC2

  area:releasesitype:meta
  scala/scala3#27254 · Filter by author tgodzik opened on Oct 7, 2026
  

• Scala 3 Reference link goes to unversioned variant of the page

  area:documentationitype:metastat:duplicate
  scala/scala3#27249 · Filter by author olhotak opened on Oct 7, 2026
  1

• Regression in arainko/ducktape - TypeIdent replaced with Inferred

  area:metaprogramming:quotesregressionstat:wontfix
  scala/scala3#27246 · Filter by author jchyb opened on Oct 6, 2026
  

• Regression in com-lihaoyi/scalasql - macro expanding into a macro

  area:metaprogramming:quotesitype:bugregression
  scala/scala3#27244 · Filter by author jchyb opened on Oct 6, 2026
  

• Regression in akka/alpakka - reference to inherited Java static member is ambiguous across two wildcard imports

  itype:bugregressionstat:needs triage
  scala/scala3#27243 · Filter by author jchyb opened on Oct 6, 2026

• Regression in apache/pekko-projection - java interface cannot be accessed

  itype:bugregressionstat:needs triage
  scala/scala3#27242 · Filter by author jchyb opened on Oct 6, 2026
  1

• Separation checking throws a compile exception when used in combination with .except capabilities

  area:experimental:ccitype:bug
  scala/scala3#27238 · Filter by author adamw opened on Oct 5, 2026
  1

  

• False positive unreachable case in dependently typed method

  itype:bugstat:needs triage
  scala/scala3#27231 · Filter by author sea-shaw opened on Oct 4, 2026

• Scala 3.10.0 release procedure

  area:releasesitype:meta
  scala/scala3#27229 · Filter by author WojciechMazur opened on Oct 4, 2026
  

• Inline trait method becomes concrete without a definition, depending on source file compilation order

  itype:bugitype:crashstat:needs triage
  scala/scala3#27227 · Filter by author AragornXu opened on Oct 4, 2026

• Incorrect published (transitive) dependencies for the scaladoc_3 tool leads to crash with NoClassDefFoundError

  area:build-configurationitype:bugitype:crash
  scala/scala3#27222 · Filter by author chr78rm opened on Oct 2, 2026

• inline trait IterableOnceOps crashed during capture checking for overloading methods

  area:experimental:ccarea:specialized-traitsitype:bugitype:crashstat:needs triage
  scala/scala3#27221 · Filter by author AragornXu opened on Oct 2, 2026
  1

• Unsoundness from type projection to trait instantiated with wildcard of conflicting bounds

  area:typeritype:bugitype:soundness
  scala/scala3#27211 · Filter by author poolcritter opened on Oct 2, 2026
  2

• Scala 3.9.0 regression: UnsupportedOperationException: complete when loading a private Java sealed interface

  compat:javaitype:bugitype:crashregressionstat:fixed in next
  scala/scala3#27208 · Filter by author SrTobi opened on Oct 1, 2026
  8

  

• Wrong ClassTag for IArray[T] causes ClassCastException with nested IArray

  area:transformitype:bugitype:soundness
  scala/scala3#27207 · Filter by author susliko opened on Oct 1, 2026

• Inferring a type argument against a large intersection type takes very long time to compile

  area:typeritype:bug
  scala/scala3#27206 · Filter by author stivens opened on Oct 1, 2026
  7

• Lambda should not allow specifying implicit parameter on tuple.

  area:implicitsitype:bugstat:needs decision
  scala/scala3#27198 · Filter by author tgodzik opened on Sep 30, 2026
  3

• Have some classification for global capabilities

  area:experimental:cc
  scala/scala3#27196 · Filter by author natsukagami opened on Sep 30, 2026

• Overcompilation involving inner types

  area:incremental-compilationitype:bugstat:needs minimization
  scala/scala3#27189 · Filter by author OlegYch opened on Sep 29, 2026
  2

  

• Crash: an unexpected type representation reached the compiler backend while compiling Colors.scala: NoType

  area:backenditype:bugstat:fixed in next
  scala/scala3#27185 · Filter by author OndrejSpanel opened on Sep 29, 2026
  4

• Migrate to sbt 2.x

  area:build-configurationarea:dxitype:enhancement
  scala/scala3#27181 · Filter by author tanishiking opened on Sep 29, 2026
  

• StackOverflow error when opaque type typeclass was created using underlying type

  area:opaque-typesitype:bug
  scala/scala3#27174 · Filter by author andrzejressel opened on Sep 27, 2026
  5

• scaladoc's bundled ux.js breaks all link navigation (undefined jQuery)

  area:doctoolitype:bugstat:fixed in next
  scala/scala3#27173 · Filter by author michiexile opened on Sep 27, 2026
  1

• Incorrect IR - Restricted use of this before the super constructor call

  area:scala.jsitype:bug
  scala/scala3#27165 · Filter by author OndrejSpanel opened on Sep 25, 2026
  2