Python buildpacks updated to Pipenv 2026.10.4 and uv 0.13.6
We have updated the package managers used during the build of Python apps as follows: uv updated from 0.13.4 to 0.13.6 ( changelog ) And for Cedar-generation Python apps only: Pipenv updated from 2026.10.2 to 2026.10.4 ( changelog )
Also shipped Nov 2, 2026Heroku in November 2026 →
Managed warehouse for MLflow (Beta)
Managed warehouse for MLflow is available in Beta, enabling users to view Unity Catalog traces in the MLflow UI without manually choosing a SQL warehouse.
Check out GitHub code without long-lived credentials on self-hosted agents
Self-hosted agents can now use temporary, read-only GitHub App tokens for repository checkout. This eliminates the need to distribute and rotate long-lived SSH keys or personal access tokens across your agent fleet.
Serving tuned Gemini 3.x models on global endpoints
Serving tuned Gemini 3.x models on global endpoints is available in General Availability (GA) . You can copy fine-tuned Gemini 3.x models to the global region using the Model Registry models:copy API, deploy them to global serving endpoints, and send inference requests directly to aiplatform.googleapis.com .
[Launched] Generally Available: Change from virtual network integration to a private endpoint capable network configuration in Azure Database for PostgreSQL flexible server
You now have greater flexibility in network design for Azure Database for PostgreSQL Flexible Server workloads. Now you can change existing VNet-integrated servers from delegated-subnet networking to a private endpoint-capable configuration, enabling secu
[Launched] Generally Available: Restart databases in Azure SQL DB via the Azure portal
You can now restart or fail over databases directly from the Azure portal, including single databases, Hyperscale databases, and databases in elastic pools, without writing scripts against the Rest API or contacting support. Learn more.
Lakehouse caching for cross-cloud data access is generally available (GA)
Lakehouse caching for cross-cloud data access is generally available (GA). Cross-cloud caching is disabled by default. You can opt in to caching on a Lakehouse federated catalog or a BigQuery cross-cloud connection to cache remote files in your Google Cloud region. This helps reduce cross-cloud egress costs and accelerate subsequent queries.
More from HerokuEvery Heroku release →
Unified login for Sendgrid add-on
Heroku Sendgrid add-on customers must now create a Sendgrid account to access the service.
PHP updates - Late October 2026
Heroku updated PHP extensions including ext-blackfire, ext-grpc, and ext-newrelic, and added support for Composer 2.2.31 and 2.11.0.
Node.js 26.13.0 and 24.22.2 now available
Heroku added support for Node.js versions 26.13.0 and 24.22.2 for application builds.
OpenJDK 27.0.1.0.3, 25.0.5.0.3, 21.0.13.0.3 and 17.0.21.0.3 now available
Heroku updated default OpenJDK builds to Java 17.0.21.0.3, 21.0.13.0.3, 25.0.5.0.3, and 27.0.1.0.3.
Heroku-22, Heroku-24 and Heroku-26 stacks updated
Heroku has updated its stack base images to include security and bug fixes. The Heroku-22 stack is now deprecated and scheduled for end-of-life on April 30, 2027.
Apache Kafka 2.8 and 3.7 have reached end-of-life
Heroku has deprecated support for Apache Kafka versions 2.8 and 3.7, and is taking action on remaining clusters for non-compliance.
Ruby apps now default to Node version 24.22.1
Heroku Ruby buildpacks now default to Node version 24.22.1 for applications without a specified Node version.
Python 3.11 support is deprecated
Heroku has deprecated support for Python 3.11, with removal from buildpacks scheduled for January 2028.