Heroku Changelog

Additions and changes to the Heroku platform.

February 05, 2026

• Added Heroku AppLink events to Enterprise Accounts audit trail

February 04, 2026

• Go 1.24.13 and 1.25.7 now available
• Node.js 25.6.0 is now available
• Python buildpacks updated to Poetry 2.3.2 and uv 0.9.29
• Python 3.14.3 and 3.13.12 are now available

February 03, 2026

• Heroku-22 and Heroku-24 stacks updated
• JRuby version 10.0.3.0 is now available

February 02, 2026

• Ruby applications with no specified bundler versions now receive Bundler 2.5.23
• New and changed Notification endpoints in the Heroku Connect API

January 30, 2026

• Heroku AI now supports multimodal inputs for Claude, Nova, and Cohere models

January 27, 2026

• Heroku-22 and Heroku-24 stacks updated
• Node.js 25.5.0 is now available

January 26, 2026

• Ruby apps now default to Node version 24.13.0
• Python buildpacks updated to Poetry 2.3.1 and uv 0.9.26

January 21, 2026

• .NET SDK 9.0.310 now available
• OpenJDK 25.0.2, 21.0.10, 17.0.18, 11.0.30 and 8u482 now available

January 20, 2026

• Node.js 25.4.0 is now available

January 16, 2026

• PgBouncer version 1.24 is available on Heroku Postgres
• PHP updates - January 2026
• Go 1.24.12 and 1.25.6 now available

January 15, 2026

• Heroku AI now supports Amazon Rerank 1.0 and Cohere Rerank 3.5 models

January 14, 2026

• Ruby version 3.2.10 is now available
• Node.js 25.3.0, 24.13.0, 22.22.0, and 20.20.0 now available

January 13, 2026

• .NET SDK 8.0.123, 8.0.417, 9.0.113, 9.0.309 and 10.0.102 are now available
• Ruby version 4.0.1 is now available

January 11, 2026

• Python buildpacks updated to uv 0.9.24

January 10, 2026

• Removed the Datastores tab from data.heroku.com

January 09, 2026

• Ruby applications now receive exact bundler version

January 08, 2026

• Python classic buildpack updated to Pipenv 2026.0.3

January 07, 2026

• Python buildpacks updated to pip 25.3
• Python 3.9 is no longer supported

January 06, 2026

• Heroku-22 and Heroku-24 stacks updated

January 05, 2026

• Ruby applications using Heroku CI have a different PATH load order
• Python buildpacks updated to uv 0.9.21

December 25, 2025

• Ruby version 4.0.0 is now available

December 19, 2025

• PHP updates - December 2025

December 18, 2025

• Ruby version 4.0.0-preview3 is now available

December 17, 2025

• Heroku AI now supports additional Claude, Nova, Kimi, MiniMax, and Qwen models
• Ruby version 3.4.8 is now available

December 15, 2025

• Heroku CI now sets `RACK_ENV=test` for all Ruby applications