Heroku Release notes and new features

Python 3.10 has reached its upstream end-of-life

Python 3.10 has reached its upstream end-of-life and will be removed from Heroku buildpacks on January 6, 2027.

• Python 3.10 has reached its upstream end-of-lifeDeprecation
• Python 3.11 support is deprecatedDeprecation
• Python 3.15.2, 3.14.10, 3.13.18, 3.12.16 and 3.11.18 are now available
• Ruby apps now default to Node version 24.22.1