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Heroku Changelog
Additions and changes to the Heroku platform.
June 02, 2025
May 28, 2025
- Changes to `pg:upgrade` CLI command functionality
- New CLI commands for Heroku Postgres version upgrades
- Heroku Postgres 14 deprecation
- Postgres 17 is generally available on Heroku Postgres
May 27, 2025
- New -3 and -5 plans for Heroku Key-Value Store Private and Shield tier
- Heroku-22 and Heroku-24 stacks updated
May 26, 2025
May 22, 2025
- Node.js 24.1.0 and 22.16.0 now available
- Websockets connection reporting error remediated in the Private Spaces Router & Router 2.0
May 20, 2025
- Python buildpacks updated to pip 25.1.1, Poetry 2.1.3 and uv 0.7.6
- Heroku Fir Private Spaces now available in the Montreal region
May 19, 2025
- Postgres 17 beta is available on Heroku Postgres Essential tier
- Default Ruby version for new apps is now 3.3.8
May 16, 2025
May 15, 2025
May 14, 2025
- Ruby version 3.4.4 is now available
- Go 1.24.3 and 1.23.9 now available
- .NET SDK 8.0.116, 8.0.312, 8.0.409, 9.0.106, 9.0.204 and 9.0.300 are now available
May 13, 2025
May 09, 2025
May 08, 2025
- Postgres 17 is in Beta on Heroku Postgres
- JRuby versions 9.4.12.0, 9.4.12.1, 10.0.0.0, and 10.0.0.1 are now available
May 07, 2025
May 05, 2025
May 01, 2025
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