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Regression for java compatibility in multiple <code>akka</code> / <code>pekko</code> projects

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.

#24134 In scala/scala3;

· WojciechMazur opened on Oct 4, 2025

Cannot override interfaces that have methods with overriding covariant array return types at all

area:overloading

compat:java

itype:bug

Status: Open.

#24075 In scala/scala3;

· SrTobi opened on Sep 25, 2025

Unexpected overload selection involving covariant Array returned by java class

area:overloading

compat:java

itype:bug

Status: Open.

#24074 In scala/scala3;

· SrTobi opened on Sep 25, 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 draft: 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

-deprecation flag ignores deprecated Java annotation

area:annotations

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.

#23904 In scala/scala3;

· gaeljw opened on Sep 11, 2025

Investigate JEP 401: Value Classes and Objects (Preview)

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.

#23892 In scala/scala3;

· He-Pin opened on Sep 10, 2025

Type inference does not account for bounded type parameters from java

compat:java

itype:bug

itype:soundnessSoundness bug (it lets us compile code that crashes at runtime with a ClassCastException)Soundness bug (it lets us compile code that crashes at runtime with a ClassCastException)

Status: Open.

#23723 In scala/scala3;

· jchyb opened on Aug 12, 2025

tests with latest master failed with JDK-21 on MacOS

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

compat:java

itype:bug

Status: Open.

#23090 In scala/scala3;

· rssh opened on May 2, 2025

Constructor proxies break when "random" classes pop up on class path

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

compat:java

itype:bug

prio:low

Status: Open.

#22862 In scala/scala3;

· som-snytt opened on Mar 23, 2025