Heroku-22, Heroku-24 and Heroku-26 stacks updated
Update4 days agoUnverifiedAdded Oct 21, 2026
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 .
Topics: Streaming, Security, Observability
More Heroku releases
Every Heroku releaseGo 1.27.3 and 1.26.10 are now available
Go 1.27.3 and 1.26.10 are now available for use by Go apps on Heroku. In addition, we have updated the Go 1.27 and 1.26 version aliases to resolve to these new Go patch versions. See Go Versions for details on how to configure the Go version for your app.
Python 3.15.1, 3.14.9 and 3.13.17 are now available
Python 3.15.1, 3.14.9 and 3.13.17 are now available for use by Python apps on Heroku. In addition, we have updated the Python 3.15, 3.14 and 3.13 major version aliases to resolve to these new Python patch versions.
Platform API Update: OAuth Session Resource
We updated the Heroku Platform API schema and reference documentation to include OAuth Session operations. Use this resource and endpoints to list and manage the active OAuth sessions for your user account. New Resource: OAuth Session : Represents a group of OAuth access and refresh tokens for an account.
PHP updates - October 2026 (CVE-2026-109618 and CVE-2026-109619)
PHP 8.2.35, 8.3.36, 8.4.27 and 8.5.12 fix two critical remote code execution vulnerabilities, CVE-2026-109618 and CVE-2026-109619 (see the PHP security advisory and blog post ). Redeploy your apps to pick up the fixed versions.
Node.js 26.12.1, 24.22.1, and 22.23.4 now available
Node.js versions 26.12.1, 24.22.1, and 22.23.4 have been made available for builds on Heroku. For additional information, please see our article on Node.js Support .
Python buildpacks updated to pip 26.2.2, Pipenv 2026.10.2 and uv 0.13.4
We have updated the package managers used during the build of Python apps as follows: pip updated from 26.2.1 to 26.2.2 ( changelog ) uv updated from 0.13.1 to 0.13.4 ( changelog ) And for Cedar-generation Python apps only: Pipenv updated from 2026.9.1 to 2026.10.2 ( changelog )
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 .
Ruby version 4.0.8 is now available
Ruby v4.0.8 is now available on Heroku. To run your app using this version of Ruby, add the following ruby directive to your Gemfile: ruby "4.0.8" For more information on Ruby 4.0.8, you can view the release announcement .
Also shipped on Oct 20, 2026
Heroku in October 2026Cloudflare One Client for Windows (version 2026.8.2115.0)
A new GA release for the Windows Cloudflare One Client is now available on the stable releases downloads page . This hotfix addresses an issue building trusted certificate chains.
Cloudflare One Client for macOS (version 2026.8.2115.0)
A new GA release for the macOS Cloudflare One Client is now available on the stable releases downloads page . This hotfix addresses an issue building trusted certificate chains.
Online Feature Store (General availability)
Online Feature Store is now generally available and is no longer in Preview .
Cloudflare One Client for Linux (version 2026.8.2115.0)
A new GA release for the Linux Cloudflare One Client is now available on the stable releases downloads page . This hotfix addresses an issue building trusted certificate chains.
SurveyMonkey connector is available in Beta
The managed SurveyMonkey connector is now available in Lakeflow Connect in Beta . Workspace admins can control access to this feature from the Previews page. Use the connector to ingest surveys, survey structure, collectors, survey responses, and contacts from SurveyMonkey into Databricks.
Oracle Eloqua connector is available in Beta
The managed Oracle Eloqua connector is now available in Lakeflow Connect in Beta . Workspace admins can control access to this feature from the Previews page. Use the connector to ingest marketing data such as contacts, accounts, campaigns, email and form assets, form submissions, events, and website visitors from Oracle Eloqua into Databricks.