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The world after Scala 3.9 LTS

In this talk, I will introduce the highlights of what to look forward to in Scala 3.9 LTS, as well as how to think about the upcoming new release.

Piotr Chabelski
Product Manager @ Scala Core Team
About This Talk

The new Scala 3.9 LTS is planned to arrive in Q2 2026. With it, a wave of significant changes will soon flood the Scala ecosystem. Numerous language features, a new runner, a revamped REPL, bumped JDK, the list runs long.

In this talk, I will introduce the highlights of what to look forward to in Scala 3.9 LTS, as well as how to think about the upcoming new release. I will summarise the changes since 3.3 LTS, unpacking some of the development history. I will also talk about 3.3 LTS ongoing support, JDK compatibility and other things you might wonder about, thinking about Scala going forward.

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Centrum Konferencyjne POLIN, Poland
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