Heroku Changelog

Additions and changes to the Heroku platform.

November 17, 2025

• Ruby version 4.0.0-preview2 is now available

November 14, 2025

• Python buildpacks updated to uv 0.9.9

November 13, 2025

• Node.js 25.2.0 and 24.11.1 now available

November 11, 2025

• .NET buildpacks now support .NET 10 file-based apps
• .NET SDK 8.0.122, 8.0.319, 8.0.416, 9.0.112, 9.0.307 and 10.0.100 are now available

November 06, 2025

• Go 1.24.10 and 1.25.4 now available
• Changes to the Datastores tab and data.heroku.com

November 04, 2025

• Update to Heroku Postgres 14 deprecation for Essential-tier customers
• Heroku-22 and Heroku-24 stacks updated

November 03, 2025

• Python 3.9.25 is now available
• Python buildpacks updated to uv 0.9.7

October 30, 2025

• Node.js 25.1.0, 24.11.0, and 22.21.1 now available
• Change Data Capture for accelerated polling is now available for all Heroku Connect customers

October 27, 2025

• New error code H34: All up dynos are quarantined

October 24, 2025

• PHP updates - October 2025
• Changes to Heroku Postgres permissions management
• Ruby version 3.3.10 is now available

October 23, 2025

• Heroku AI now supports Claude 4.5 Haiku and Claude 4.5 Sonnet models
• Node.js 25.0.0 and 22.21.0 now available
• LiteLLM AI integration now available
• Heroku-22 and Heroku-24 stacks updated

October 22, 2025

• Heroku Connect now supports Salesforce API v65.0
• OpenJDK 25.0.1, 21.0.9, 17.0.17, 11.0.29 and 8u472 now available
• Python buildpacks updated to uv 0.9.5

October 21, 2025

• Bundler version 2.6.9 and 2.7.2 are now available for Ruby Applications
• .NET buildpacks now support SLNX files

October 15, 2025

• Python 3.13.9 is now available

October 14, 2025

• .NET SDK 8.0.121, 8.0.318, 8.0.415, 9.0.111, 9.0.306 and 10.0.100-rc.2.25502.107 are now available
• Go 1.24.9 and 1.25.3 now available

October 13, 2025

• Heroku Fir Private Spaces are ISO 27001, 27017 and 27018 certified

October 10, 2025

• Salesforce Trust is now the primary channel for all Heroku incident and maintenance communications
• Node.js 24.10.0 is now available

October 09, 2025

• JRuby version 9.4.14.0 is now available
• Python 3.14 is now available
• Python 3.13.8, 3.12.12, 3.11.14, 3.10.19, 3.9.24 are now available

October 08, 2025

• Ruby version 3.4.7 is now available
• Go 1.24.8 and 1.25.2 now available

October 05, 2025

• Python buildpacks updated to uv 0.8.23

October 01, 2025

• Updates to slug, OCI image, and release artifact retention policies

September 30, 2025

• PHP updates - Late September 2025