Heroku Changelog

Additions and changes to the Heroku platform.

September 04, 2025

• Node.js 20.19.5 is now available
• PHP updates - Early September 2025

September 02, 2025

• Changes to Heroku Postgres credentials naming requirements

August 29, 2025

• Node.js 24.7.0 and 22.19.0 now available

August 26, 2025

• Heroku-22 and Heroku-24 stacks updated
• Python buildpacks updated to uv 0.8.13

August 22, 2025

• LlamaIndex AI integration now available

August 19, 2025

• Heroku AI now supports Amazon Nova Lite and Nova Pro models

August 15, 2025

• Node.js 24.6.0 is now available
• Python 3.13.7 is now available

August 14, 2025

• Go 1.25.0 is now available

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

• Changes to release retention and rollback

August 11, 2025

• Router 2.0 migration resumes on September 8, 2025

August 08, 2025

• Go 1.23.12, 1.24.6, and 1.25rc3 now available

August 07, 2025

• JRuby version 10.0.2.0 is now available

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

August 05, 2025

• .NET SDK 8.0.119, 8.0.316, 8.0.413, 9.0.109, and 9.0.304 are now available

August 01, 2025

• Node.js 24.5.0 and 22.18.0 now available
• Python buildpacks updated to uv 0.8.4

July 31, 2025

• PHP updates - Late July 2025

July 29, 2025

• Heroku-22 and Heroku-24 stacks updated

July 24, 2025

• Ruby version 3.2.9 is now available
• Ruby version 3.3.9 is now available

July 23, 2025

• Python classic buildpack updated to Pipenv 2025.0.4

July 22, 2025

• Heroku-22 and Heroku-24 stacks updated

July 18, 2025

• .NET SDK 9.0.303 now available
• JRuby version 10.0.1.0 is now available

July 17, 2025

• Node.js 24.4.1, 22.17.1, and 20.19.4 now available

July 16, 2025

• JDK 24.0.2, 21.0.8, 17.0.16, 11.0.28 and 8u462 now available

July 15, 2025

• Ruby version 3.4.5 is now available

July 14, 2025

• Heroku AppLink is generally available

July 10, 2025

• Python buildpacks updated to uv 0.7.20
• Standard and Performance-tier apps begin migrating to Router 2.0

July 09, 2025

• Node.js 24.4.0 is now available