## Porting the Scala 2 optimizer to Scala 3

- 種別: release
- 関連技術: scala
- 公開日時: 2026-03-22T23:00:00.000Z
- 情報源: Scala News (https://www.scala-lang.org/blog/2026/03/23/porting-the-optimizer.html)
- パーマリンク: https://vulnpulse.app/items/scala-7777de4846c1

This post covers work done under the Sovereign Tech Fund investment umbrella: Maintenance of the Standard Library/Core Library Modules and APIs . The work is coordinated by the Scala Center . We are porting the optimizer from the Scala 2 compiler to the Scala 3 compiler, improving the performance of Scala 3 applications without requiring developers to write more complex code. In early microbenchmarks of code written in a high-level functional style, we’re seeing 10-30% faster execution. But what exactly is this optimizer and why is it necessary? This work is available as of version 3.8.3-RC3…