Heroku Changelog

Additions and changes to the Heroku platform.

October 30, 2026

• Unified login for Sendgrid add-on

October 29, 2026

• PHP updates - Late October 2026
• Node.js 26.13.0 and 24.22.2 now available
• OpenJDK 27.0.1.0.3, 25.0.5.0.3, 21.0.13.0.3 and 17.0.21.0.3 now available

October 28, 2026

• Heroku-22, Heroku-24 and Heroku-26 stacks updated
• Apache Kafka 2.8 and 3.7 have reached end-of-life

October 26, 2026

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

October 25, 2026

• .NET 8.0.133, 8.0.427, 9.0.123, 9.0.320, 10.0.114 and 10.0.403 SDKs are now available

October 23, 2026

• Default Ruby version for new apps is now 3.4.12
• OpenJDK 27.0.1, 25.0.5, 21.0.13, 17.0.21, 11.0.33 and 1.8.0_512 now available
• Ruby version 3.4.12 is now available
• Ruby version 4.0.9 is now available
• Ruby version 3.3.13 is now available

October 22, 2026

• Ruby version 4.0.8 is now available
• Heroku-22, Heroku-24 and Heroku-26 stacks updated

October 21, 2026

• Python 3.15.1, 3.14.9 and 3.13.17 are now available
• Platform API Update: OAuth Session Resource
• PHP updates - October 2026 (CVE-2026-109618 and CVE-2026-109619)
• Node.js 26.12.1, 24.22.1, and 22.23.4 now available
• Python buildpacks updated to pip 26.2.2, Pipenv 2026.10.2 and uv 0.13.4

October 20, 2026

• Heroku-22, Heroku-24 and Heroku-26 stacks updated
• Heroku-22, Heroku-24 and Heroku-26 stacks updated
• Go 1.27.3 and 1.26.10 are now available

October 16, 2026

• .NET 8.0.132, 8.0.426, 9.0.122, 9.0.319, 10.0.113 and 10.0.402 SDKs are now available

October 15, 2026

• Node.js 26.12.0 and 24.22.0 now available
• Ruby version 4.1.0-preview1 is now available

October 14, 2026

• Heroku Connect now supports Salesforce API v68.0
• Heroku AI now supports Claude Haiku 5.5, Claude Opus 5.5, Claude Sonner 5.5, and Claude Fable 5.1 models
• Python buildpacks updated to Pipenv 2026.9.1 and uv 0.13.1

October 12, 2026

• Upcoming migration from ZooKeeper to KRaft for Apache Kafka on Heroku

October 09, 2026

• Python 3.15 is now available
• Go 1.27.2 and 1.26.9 are now available

October 08, 2026

• Heroku-22, Heroku-24 and Heroku-26 stacks updated
• Node.js 26.11.0 and 26.11.1 now available

October 07, 2026

• API Documentation & Schema Updates
• JRuby version 10.0.7.0 is now available

October 06, 2026

• Heroku Postgres Advanced is generally available