Releasesby Ibis.NET 8.0.132, 8.0.426, 9.0.122, 9.0.319, 10.0.113 and 10.0.402 SDKs are now available
Update8 days agoUnverifiedAdded Oct 20, 2026
.NET 8.0.132 , 8.0.426 , 9.0.122 , 9.0.319 , 10.0.113 and 10.0.402 SDKs have been made available for builds on Heroku. The .NET 8.0 SDKs include .NET Runtime 8.0.32 and ASP.NET Core Runtime 8.0.32 . The .NET 9.0 SDKs include .NET Runtime 9.0.21 and ASP.NET Core Runtime 9.0.21 .
More Heroku releases
Every Heroku releaseNode.js 26.12.0 and 24.22.0 now available
Node.js versions 26.12.0 and 24.22.0 have been made available for builds on Heroku. For additional information, please see our article on Node.js Support .
Ruby version 4.1.0-preview1 is now available
Ruby v4.1.0-preview1 is now available on Heroku. To run your app using this version of Ruby, add the following ruby directive to your Gemfile: ruby "4.1.0.preview1" For more information on Ruby 4.1.0-preview1, you can view the release announcement . This version of Ruby is not suitable for production applications.
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 .
Heroku AI now supports Claude Haiku 5.5, Claude Opus 5.5, Claude Sonner 5.5, and Claude Fable 5.1 models
Heroku’s Managed Inference and Agents add-on now supports these AI models: Claude Haiku 5.5 : A fast and cost-effective LLM designed for high-volume, latency-sensitive tasks like classification, extraction, and routing.
Python buildpacks updated to Pipenv 2026.9.1 and uv 0.13.1
We have updated the package managers used during the build of Python apps as follows: uv updated from 0.12.21 to 0.13.1 ( changelog ) And for Cedar-generation Python apps only: Pipenv updated from 2026.8.0 to 2026.9.1 ( 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 .
Go 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.
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.
Also shipped on Oct 16, 2026
Heroku in October 20262026.10.08
Make a voice you already have speak another language or accent, with the same speaker. Call POST /voice-generator/localize on a flagship or custom voice, pick an accent, and get candidates back in seconds to audition and convert like Voice Design candidates. GET /voice-generator/available-accents lists the accents you can target.
Neon Realtime in public beta, new AI Gateway models, Stripe real-time sync, CJK search in Lakebase Search, and more release - Oct 16, 2026
Neon Realtime is in public beta. Neon now has realtime, built by the team behind Electric. Neon Realtime turns any SQL query into a live query. Subscribe to it ...
TypeSafe AI Jev 1.14.0 is now available on Unity Gateway
TypeSafe AI Jev 1.14.0 is now available on Unity Gateway. TypeSafe AI hosts it, and an account admin must enable the Externally-hosted TypeSafe AI Models preview. TypeSafe's terms govern its use.
Gemini Enterprise: Configure citations for custom MCP data stores
You can configure the citation_mappings parameter for custom Model Context Protocol (MCP) data stores using the REST API to display source citation chips when Gemini Enterprise answers questions using tools on your custom MCP server. This feature is generally available (GA). For more information, see Configure citations for custom MCP data stores .
[In preview] Public Preview: Azure Databricks Private network gateway
Private network gateway for Azure Databricks is now in Public Preview, enabling serverless compute to connect to resources in your virtual network (VNet) and transitively connected networks through a single managed gateway. Customers can use the gateway t
Cloud Agent Canvases and Environment Improvements
Canvases from cloud agents Cloud agents can now build interactive canvases as part of their work. Share a finished canvas with your team by sending its link. Learn more about sharing canvases . Environments API The Environments API is now available in beta. Use it to programmatically create and manage the cloud environments your agents run in.