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Scala 2 team issues. Not for user-facing bugs or directly actionable user-facing improvements. For build/test/infra and for longer-term planning and idea tracking. Our bug tracker is at https://github...

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The Akka codebase implemented `ByteString` which is a highly optimized datastructure for dealing with strings that are backed by bytes in an immutable rope like data structure. There is a...

The Akka codebase contains various interopt datatypes (functions, tuples, partial matchers) which are datatypes that are used within codebases that have heavy Java and Scala interopt. Rather than `scala-java8-compat` which...

In scala/scala's `project/MimaFilters.scala` we currently have: ``` project/MimaFilters.scala: mimaReferenceVersion := Some("2.13.9"), project/MimaFilters.scala: mimaPreviousArtifacts := mimaReferenceVersion.value.map(organization.value % name.value % _).toSet, ``` Are we sure that we don't also need to check...

On a clean 2.13.x, `scalacheck/test` crashes JVM 18.0.[12].1 [EDITED] From the hs_err.log ``` # # A fatal error has been detected by the Java Runtime Environment: # # SIGSEGV (0xb)...

2.13.x, on my M1: ``` ok 1 - jvm/scala-concurrent-tck.scala [duration 68.95s] ``` Credits to @Duhemm and Gradle's Develocity :) Some recent PRs around that test - https://github.com/scala/scala/pull/8365 - https://github.com/scala/scala/pull/8402 -...

You'd like to say, `$intp.setCompilationWrapper("reflect.runtime.universe.reify")`. A `:show` or `:print` command to turn that on and off would work. `:show off`. REPL needs a compilation wrapper to complement the execution wrapper,...

we initially added it as `-Y` because it was new, but the TASTy Reader is here to stay and there aren't important known bugs in it for 2.13.14, can we...

Including updating ASM if we need to. I would prefer not to tackle this until after JDK 21 is officially out. see also https://github.com/scala/community-build/issues/1698

I think it would be better to have the test status at the right, so that the line with the test number and the test file can be printed before...

enhancement

## Reproduction steps 2.13.10 ```scala junit/testOnly scala.collection.immutable.ListAllocationTest ``` after moving the allocation tests out of `ListTest`. ## Problem Under JDK 19, when the test tries to verify an exact allocation...