Python 3.15 is now available
Update2 weeks agoUnverifiedAdded Oct 20, 2026
Python 3.15.0 is now available for use by Python apps on Heroku. See the Python 3.15.0 release announcement and What’s New In Python 3.15 to learn more about the new major version. See Specifying a Python Version for details on how to configure the Python version for your app.
Topics: Security
More Heroku releases
Every Heroku releaseGo 1.27.2 and 1.26.9 are now available
Go 1.27.2 and 1.26.9 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.
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 .
Node.js 26.11.0 and 26.11.1 now available
Node.js versions 26.11.0 and 26.11.1 have been made available for builds on Heroku. For additional information, please see our article on Node.js Support .
API Documentation & Schema Updates
API Documentation & Schema Updates Platform API Documentation: Updated overall documentation and schema for the Enterprise Account API Enterprise Account Creation: Added the required_email_domains parameter to the Enterprise Account creation endpoint. Use this field to restrict organization membership to specific email domains.
JRuby version 10.0.7.0 is now available
JRuby v10.0.7.0 is now available on Heroku. To run your app using this version of Ruby, add the following ruby directive to your Gemfile: ruby "3.4.5", engine: "jruby", engine_version: "10.0.7.0" The JRuby release notes can be found on the JRuby website .
Upcoming migration from ZooKeeper to KRaft for Apache Kafka on Heroku
On October 19, 2026, we’ll begin migrating Apache Kafka on Heroku cluster infrastructure from ZooKeeper to KRaft. This change modernizes how clusters manage their internal metadata. Heroku will notify you via email when maintenance is scheduled to perform this migration on your Kafka cluster. No action is required from you.
Heroku Postgres Advanced is generally available
Heroku Postgres Advanced -tier databases are now generally available. The new tier brings increased storage capacity and scalability, decoupled compute and storage, follower pools distributing read load, and logical replication. You can provision databases on this new tier.
Heroku Connect now supports Salesforce API v68.0
Heroku Connect now defaults to version 68.0 of the Salesforce API, the latest version available in the Winter ‘27 release. Learn how to specify the API version at connection creation on the Heroku Dev Center .
Also shipped on Oct 9, 2026
Heroku in October 2026Google Workspace connector is available in Beta
The managed Google Workspace connector is now available in Beta in Databricks Lakeflow Connect. Use the connector to ingest audit activity from Google Workspace applications and services into Databricks. The connector uses OAuth user authorization and supports incremental ingestion.
Agentic Marketplace Discovery (Public preview)
Agentic Marketplace Discovery is now available in public preview. On the public Snowflake Marketplace Discover page in Snowsight, you can switch between Agentic discovery and Marketplace search . Describe what you need to CoCo to find and compare matching listings, or search for providers and listings directly.
All AI Gateway models with prepaid credits, backend features with your coding agent, and new ways to send feedback release - Oct 09, 2026
All AI Gateway models now available with prepaid credits. You don't need to request access to frontier models in the Neon AI Gateway anymore. If you're on a pai...
Use request tags in Unity Gateway service policies (Beta)
Custom service policies in Unity Gateway can now check caller-supplied request tags, such as requiring a tag before a model request or MCP tool call proceeds. See Request tags .
Use OpenJev as the evaluator for LLM-as-a-judge service policies (Beta)
You can now select OpenJev (Qwen3.5 4B) as the evaluator model service of a custom LLM-as-a-judge service policy. OpenJev classifies content without generating output tokens, so it typically responds faster than a chat evaluator. See Use OpenJev as the evaluator .
Code execution in Genie One (Public Preview)
Genie One can now run code in a secure, isolated sandbox to take on work that goes beyond SQL, such as more advanced analyses. Code runs on your behalf using your existing permissions, so Unity Catalog governance and data access controls continue to apply. See Code execution in Genie One .