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This page is for collaborative editing of the release notes.

The release thread is at https://lists.apache.org/thread/xd4wp77bdwyll9243mnd9qc6j4d122kr

Draft Release Notes

Apache Pekko 1.0.0 is based on Akka 2.6.20. Pekko came about as a result of Lightbend's decision to make future Akka releases under a Business Software License, a license that is not compatible with Open Source usage.

Apache Pekko has changed the package names, among other changes. Users switching from Akka to Pekko should read our Migration Guide.

Generally, we have tried to make it as easy as possible to switch existing Akka 2.6 based projects over to using Pekko 1.0.

Bug Fixes

We haven't had to fix many bugs that were in Akka 2.6.20

  • Optimized JsonFraming breaks existing functionality in v2.6.20 (PR44)

Dependency Upgrades

We have tried to limit the changes to third party dependencies that are used in Pekko 1.0.0. These are some exceptions:

  • Scala 3.3.0 is the minimum Scala 3 version supported. Scala 2.12 and 2.13 are still supported.
  • Jackson 2.14.3
  • reactive-streams 1.0.4


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