Scala v2.12.13 released!

[NewsBot]

Scala v2.12.13 has been released.

Highlights

• Backports configurable warnings and errors (@nowarn and -Wconf) from 2.13

Standard library

• To permit compiling on JDK 15, avoid clash with new CharSequence#isEmpty method #9292
  • The clash is avoided by making CharSequence wrappers in Predef non-implicit.
  • The change is binary compatible, but not source compatible. Call sites may need updating.
  • The same change was included in Scala 2.13.4.

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Link: https://github.com/scala/scala/releases/tag/v2.12.13

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