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Heroku Changelog
Additions and changes to the Heroku platform.
April 25, 2025
- JDK 24.0.1, 21.0.7, 17.0.15, 11.0.27 and 8u452 now available
- Ruby version 3.5.0-preview1 is now available
April 24, 2025
April 23, 2025
April 21, 2025
April 17, 2025
April 16, 2025
April 14, 2025
- Fir: Heroku's next generation platform is now generally available
- Ruby version 3.4.3 is now available
April 11, 2025
April 10, 2025
- Heroku-20, Heroku-22 and Heroku-24 stacks updated
- Changes to Apache Kafka on Heroku minimum retention time
April 09, 2025
April 08, 2025
- Python 3.13.3, 3.12.10, 3.11.12, 3.10.17 and 3.9.22 are now available
- Python buildpacks updated to pip 25.0.1 and Poetry 2.1.2
April 03, 2025
April 02, 2025
- Upcoming change to OAuth token length
- Go 1.24.2 and 1.23.8 now available
- .NET support on Heroku is now generally available
March 28, 2025
March 26, 2025
March 21, 2025
March 20, 2025
March 19, 2025
- Java 24 now available
- Default Ruby version for new apps is now 3.3.7
- Ruby applications with no specified bundler versions now receive Bundler 2.3.x. Bundler 1.x will no longer work.