Heroku Changelog

Additions and changes to the Heroku platform.

March 12, 2026

• Node.js 25.8.1 is now available

March 11, 2026

• Ruby version 3.4.9 is now available

March 10, 2026

• .NET SDK 8.0.125, 8.0.419, 9.0.115, 9.0.312, 10.0.104 and 10.0.200 are now available
• Heroku-22 and Heroku-24 stacks updated
• Support for dep, gb, glide, godep, and govendor removed from the Go buildpack

March 06, 2026

• JRuby version 10.0.4.0 is now available
• Go 1.25.8 and 1.26.1 now available

March 05, 2026

• Node.js 25.8.0, 22.22.1, and 20.20.1 now available

March 04, 2026

• Build timeouts increased
• Default slug size limit increased to 1000 MB

March 03, 2026

• Python 3.12.13, 3.11.15 and 3.10.20 are now available
• Python buildpacks updated to pip 26.0.1 and uv 0.10.7

February 25, 2026

• Heroku Connect now supports Salesforce API v66.0
• Node.js 25.7.0 and 24.14.0 now available

February 24, 2026

• Heroku Git and Container Registry TLS policy update
• Heroku-22 and Heroku-24 stacks updated

February 18, 2026

• Heroku AI now supports DeepSeek V3.2, GLM 4.7, Kimi K2.5, and MiniMax M2.1 models
• Heroku AI now supports Cohere Embed V4
• Heroku AI now supports Claude Sonnet 4.6
• PHP updates - February 2026

February 16, 2026

• Updates to Heroku API Compatibility Policy
• Improvements to PHP app concurrency calculation when using multiple buildpacks
• Heroku-22 and Heroku-24 stacks updated

February 14, 2026

• New Add-on Attachment Parameter and Namespace Deprecation

February 13, 2026

• Heroku AI now supports Claude Opus 4.6

February 11, 2026

• GitHub Enterprise Server Integration now available

February 10, 2026

• Go 1.26.0 is now available
• .NET SDK 8.0.124, 8.0.418, 9.0.114, 9.0.311 and 10.0.103 are now available
• Node.js 25.6.1 and 24.13.1 now available
• Python buildpacks updated to uv 0.10.1

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