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1,990 this month · 171 companies

OpenJDK 27 is now available for Java, Scala and Clojure apps

Update5 weeks agoUnverifiedAdded Oct 20, 2026

Heroku’s support for Java, Scala and Clojure now includes support for OpenJDK version 27. To use this version of OpenJDK, create a system.properties file in your application with the following contents: java.runtime.version=27 After your next deployment, Heroku will install and run your app with OpenJDK 27.

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

We have updated the heroku-22 , heroku-24 and heroku-26 stacks to pick up security and bug fixes in upstream packages. The new base images for each stack will roll out automatically to the Common Runtime over the next 48 hours, followed by Private Spaces .

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JRuby version 10.1.2.0 is now available

JRuby v10.1.2.0 is now available on Heroku. To run your app using this version of Ruby, add the following ruby directive to your Gemfile: ruby "4.0.0", engine: "jruby", engine_version: "10.1.2.0" The JRuby release notes can be found on the JRuby website .

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Ruby version 3.4.11 is now available

Ruby v3.4.11 is now available on Heroku. To run your app using this version of Ruby, add the following ruby directive to your Gemfile: ruby "3.4.11" For more information on Ruby 3.4.11, you can view the release announcement .

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PHP updates - September 2026

The following new PHP runtime versions are now available: PHP 8.2.34 PHP 8.3.35 PHP 8.4.26 PHP 8.5.11 The following PHP extensions have been added or updated: ext-blackfire 2026.9.2 ext-grpc 1.84.0 ext-mongodb 1.21.10 ext-mongodb 2.5.3 ext-newrelic 12.11.0.40 ext-phalcon 5.22.0 The Nginx web server has been updated to version 1.30.5 .

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Create and manage OAuth authorizations for a team

Heroku team admins can now create, view, regenerate, and revoke OAuth API authorizations that act on behalf of a team rather than an individual from the Heroku Dashboard and the Heroku CLI . Use team authorizations to grant your team access to the Heroku Platform API . See Team Authorization for more information.

Also shipped on Sep 16, 2026

Heroku in September 2026