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Scala compiler uses an invalid type <code>java.util.Map#Entry[String, Int]</code> in the compilation error message

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

compat:java

itype:bug

Status: Open.

#24711 In scala/scala3;

· unkarjedy opened on Dec 9, 2025

Compiler crash with "scala.MatchError: NoType"

area:backend

area:implicitsrelated to implicitsrelated to implicits

area:implicits:implicitConversionIssues tied with scala.language.implicitConversionsIssues tied with scala.language.implicitConversions

compat:java

itype:bug

itype:crash

Status: Open.

#24707 In scala/scala3;

· qforce85 opened on Dec 8, 2025

Cannot invoke java constructor with type parameters from scala

area:pickling

compat:java

itype:bug

itype:crash

Status: Open.

#24623 In scala/scala3;

· sugakandrey opened on Dec 2, 2025

Nested classes' generic signatures for mixin forwarders conflicts type parameter names

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.

#24619 In scala/scala3;

· tanishiking opened on Dec 2, 2025

javadoc link from scaladoc

area:doctool

area:jdkIssues tied to artifacts published under a particular jdkIssues tied to artifacts published under a particular jdk

compat:java

itype:bug

Status: Open.

#24593 In scala/scala3;

· xuwei-k opened on Nov 30, 2025

Generating generic signatures in the presence of <code>AnyVal</code> is wrong

compat:java

itype:bug

Status: Open.

#24276 In scala/scala3;

· hamzaremmal opened on Oct 27, 2025

Missing Java generic signature for trait fields

compat:java

itype:bug

Status: Open.

#24275 In scala/scala3;

· hamzaremmal opened on Oct 27, 2025

Java generic signature is missing in forwarders containing value classes

compat:java

itype:bug

Status: Open.

#24270 In scala/scala3;

· hamzaremmal opened on Oct 27, 2025

Cannot override JavaClass that overrides method with omitted generics

area:overloading

backlogNo work planned on this by the core team for the time being.No work planned on this by the core team for the time being.

compat:java

itype:bug

stat:deprecated featureIssues tied to features which were deprecated at some point.Issues tied to features which were deprecated at some point.

Status: Open.

#24041 In scala/scala3;

· SrTobi opened on Sep 23, 2025

Investigate JEP 526: Lazy Constants

area:jdkIssues tied to artifacts published under a particular jdkIssues tied to artifacts published under a particular jdk

compat:java

compat:java:jepIssues corresponding to a JEP (JDK Enhancement Proposal)Issues corresponding to a JEP (JDK Enhancement Proposal)

compat:java:jep:unstableIssues corresponding to a JEP (JDK Enhancement Proposal) which is not stable yet.Issues corresponding to a JEP (JDK Enhancement Proposal) which is not stable yet.

itype:spikeWe need to spend time and investigate something, before we decide what to do next.We need to spend time and investigate something, before we decide what to do next.

Status: Open.

#24035 In scala/scala3;

· He-Pin opened on Sep 23, 2025

Cannot extend some Scala abstract classes from Java

compat:java

itype:bug

Status: Open.

#23961 In scala/scala3;

· hamzaremmal opened on Sep 18, 2025

Can't express sneakyThrow As Java

area:error-handlingIssues tied with how exceptions are handled, tried, thrown and caught.Issues tied with how exceptions are handled, tried, thrown and caught.

compat:java

itype:language enhancement

needs-sipA SIP needs to be raised to move this issue/PR along.A SIP needs to be raised to move this issue/PR along.

Status: Open.

#23922 In scala/scala3;

· He-Pin opened on Sep 14, 2025