Heroku Changelog

Additions and changes to the Heroku platform.

September 03, 2026

• Cloud Native Buildpacks support for Cedar-generation apps
• Python buildpacks updated to Pipenv 2026.8.0, Poetry 2.4.2 and uv 0.12.9

September 02, 2026

• PHP updates - September 2026
• Go 1.27.1 and 1.26.8 are now available
• Heroku-22, Heroku-24 and Heroku-26 stacks updated

August 27, 2026

• Node.js 26.8.1 is now available

August 26, 2026

• Node.js 26.8.0 and 24.20.0 now available

August 24, 2026

• Changes to Common Runtime *.herokuapp.com domain apps
• Fir Private Spaces now default to x86_64 architecture

August 20, 2026

• Fine-grained access controls for Heroku Teams
• Go 1.27.0, 1.26.7 and 1.25.14 are now available

August 19, 2026

• Valkey 7 on Heroku Key-Value Store deprecation
• Valkey 9 on Heroku Key-Value Store is generally available
• OpenJDK 26.0.2.1, 25.0.4.1, 21.0.12.1, 17.0.20.1, 11.0.32.1 and 1.8.0_504 now available

August 18, 2026

• Python buildpacks updated to pip 26.2.1, Pipenv 2026.7.1 and uv 0.12.5
• Heroku-22, Heroku-24 and Heroku-26 stacks updated

August 14, 2026

• Go 1.25.13 and 1.26.6 are now available

August 13, 2026

• Python 3.12.14, 3.11.16 and 3.10.21 are now available

August 12, 2026

• .NET 8.0.130, 8.0.424, 9.0.120, 9.0.317, 10.0.111, 10.0.303 and 10.0.400 SDKs are now available
• Heroku-22, Heroku-24 and Heroku-26 stacks updated

August 07, 2026

• Node.js 26.7.0 is now available

August 06, 2026

• Python 3.14.7 and 3.13.15 are now available

August 04, 2026

• Heroku Postgres 15 deprecation
• Postgres 18 is generally available on Heroku Postgres

August 03, 2026

• Node.js 24.19.0 and 26.6.0 now available

July 31, 2026

• PHP updates - July 2026
• Change the Salesforce API version on Heroku Connect

July 30, 2026

• Python buildpacks updated to uv 0.11.33
• Node.js 22.23.2, 24.18.1, and 26.5.1 now available
• Heroku-22, Heroku-24 and Heroku-26 stacks updated

July 28, 2026

• Apache Kafka 2.8 and 3.7 deprecation on Heroku
• Updating Apache Kafka on Heroku version support policy

July 22, 2026

• JRuby version 10.1.1.0 is now available
• OpenJDK 26.0.2, 25.0.4, 21.0.12, 17.0.20, 11.0.32 and 1.8.0_502 now available

July 20, 2026

• Ruby version 3.3.12 is now available

July 15, 2026

• .NET 8.0.129, 8.0.423, 9.0.119, 9.0.316, 10.0.110 and 10.0.302 SDKs are now available

July 14, 2026

• Ruby version 4.0.6 is now available
• sbt 2 is now supported for Scala apps
• Postgres 18 is in Beta on Heroku Postgres

July 13, 2026

• Heroku-22, Heroku-24 and Heroku-26 stacks updated