Heroku Changelog

Additions and changes to the Heroku platform.

July 09, 2025

• Go 1.24.5 and 1.23.11 now available

July 08, 2025

• .NET SDK 8.0.118, 8.0.315, 8.0.412, 9.0.108 and 9.0.302 are now available

July 07, 2025

• Basic-tier applications now require Router 2.0
• Heroku-22 and Heroku-24 stacks updated

July 04, 2025

• PHP updates - July 2025

July 01, 2025

• Valkey 8 on Heroku Key-Value Store is generally available
• Updated Heroku Key-Value Store version support policy
• New Common Runtime applications now default to Router 2.0

June 26, 2025

• Heroku Fir Private Spaces receive their SOC 1/2/3 attestation reports

June 25, 2025

• Heroku Remote MCP server now available
• Node.js 24.3.0 and 22.17.0 now available
• Heroku-22 and Heroku-24 stacks updated

June 23, 2025

• Node.js 20.19.3 is now available

June 17, 2025

• Go 1.24.4 and 1.23.10 now available
• Python buildpacks updated to uv 0.7.13
• Heroku Connect now supports Salesforce API v64.0

June 13, 2025

• JRuby version 9.4.13.0 is now available
• PHP updates - June 2025

June 12, 2025

• .NET SDK 8.0.117, 8.0.314, 8.0.411, 9.0.107, 9.0.205 and 9.0.301 are now available
• Node.js 24.2.0 is now available
• Python 3.13.5 is now available

June 05, 2025

• Basic-tier applications now running on Router 2.0

June 03, 2025

• Python 3.13.4, 3.12.11, 3.11.13, 3.10.18 and 3.9.23 are now available
• Python buildpacks updated to uv 0.7.10

June 02, 2025

• Heroku-22 and Heroku-24 stacks updated

May 28, 2025

• Changes to `pg:upgrade` CLI command functionality
• New CLI commands for Heroku Postgres version upgrades
• Heroku Postgres 14 deprecation
• Postgres 17 is generally available on Heroku Postgres

May 27, 2025

• New -3 and -5 plans for Heroku Key-Value Store Private and Shield tier
• Heroku-22 and Heroku-24 stacks updated

May 26, 2025

• .NET SDK 8.0.313 and 8.0.410 are now available

May 22, 2025

• Node.js 24.1.0 and 22.16.0 now available
• Websockets connection reporting error remediated in the Private Spaces Router & Router 2.0

May 20, 2025

• Python buildpacks updated to pip 25.1.1, Poetry 2.1.3 and uv 0.7.6
• Heroku Fir Private Spaces now available in the Montreal region

May 19, 2025

• Postgres 17 beta is available on Heroku Postgres Essential tier
• Default Ruby version for new apps is now 3.3.8

May 16, 2025

• Node.js 24.0.2, 23.11.1, 22.15.1, and 20.19.2 now available

May 15, 2025

• PHP updates - May 2025