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Heroku Changelog
Additions and changes to the Heroku platform.
September 09, 2025
- .NET SDK 8.0.120, 8.0.317, 8.0.414, 9.0.110, 9.0.305 and 10.0.100-rc.1.25451.107 are now available
- Ruby apps now have `PUMA_PERSISTENT_TIMEOUT=95` set by default
- Python buildpacks updated to uv 0.8.15
September 08, 2025
- heroku run is now available for Fir-generation apps
- Go 1.24.7 and 1.25.1 now available
- Heroku-22 and Heroku-24 stacks updated
September 05, 2025
September 04, 2025
September 02, 2025
August 29, 2025
August 26, 2025
August 22, 2025
August 19, 2025
August 15, 2025
August 14, 2025
August 13, 2025
- Increased connection limits on Heroku Postgres -0 and -2 plans
- Heroku-22 and Heroku-24 stacks updated
- Python buildpacks updated to uv 0.8.9
August 12, 2025
August 11, 2025
August 08, 2025
August 07, 2025
August 06, 2025
- Python 3.13.6 is now available
- Default Ruby version for new apps is now 3.3.9
- Python buildpacks updated to pip 25.2, Poetry 2.1.4 and uv 0.8.5
- Python classic buildpack no longer installs SQLite headers and CLI