Releasesby GlyphChanges to when Automated Certificate Management renews certificates
Starting November 16, 2026, Heroku's Automated Certificate Management will use ACME Renewal Information (ARI) to determine optimal certificate renewal times, potentially renewing some certificates earlier than the standard one-month window.
Also shipped Nov 10, 2026Heroku in November 2026 →
Amazon Bedrock AgentCore now offers a Web Search API
AWS launched the InvokeWebSearch API on Amazon Bedrock AgentCore, enabling direct web search execution billed at $7 per 1,000 queries.
Flagship - Evaluate Flagship feature flags from Rust
Cloudflare released an official Rust SDK (`cloudflare-flagship`) for Flagship, enabling async Rust applications to evaluate feature flags via OpenFeature with remote or in-process local evaluation.
BigQuery generative AI functions support gemini-4-carbon
Google Cloud announced general availability for the gemini-4-carbon model across BigQuery generative AI functions.
Amazon OpenSearch Service announces managed cross-Region disaster recovery
AWS introduced managed cross-Region disaster recovery for Amazon OpenSearch Service, providing continuous data replication with an RPO under one minute and RTO under 20 minutes.
Amazon Bedrock adds bedrock-runtime endpoint support for Daybreak models
AWS added support for OpenAI Daybreak Red and Daybreak Blue cybersecurity models on Amazon Bedrock runtime endpoints via US and Global cross-Region inference profiles.
Gemini Enterprise: Gemini 4 Carbon available in web app, mobile app, Workflow Builder, and AI developer tools
Google Cloud generally released Gemini 4 Carbon across Gemini Enterprise web and mobile apps, Workflow Builder, and AI developer tools with multi-region availability.
More from HerokuEvery Heroku release →
.NET 8.0.134, 8.0.428, 9.0.124, 9.0.321, 10.0.115, 10.0.404 and 11.0.100 SDKs are now available
Heroku now supports .NET SDK versions 8.0.134, 8.0.428, 9.0.124, 9.0.321, 10.0.115, 10.0.404, and 11.0.100 for builds.
Go 1.27.4 and 1.26.11 are now available
Heroku has made Go 1.27.4 and 1.26.11 available for application builds and updated the version aliases accordingly.
Changes to how Automated Certificate Management retries failing certificates
Starting November 11, 2026, Heroku's Automated Certificate Management will wait 6 hours between retries for failing custom domain certificates and stop attempting issuance after 7 days of persistent failure.
Python 3.15 is now the default Python version
We have changed the default Python version, used by Python apps that do not specify an explicit Python version, from Python 3.14 to Python 3.15. For Cedar-generation apps this change does not affect existing apps, since the Python classic buildpack pins the Python version to the same major Python version as the previous cached build.
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 apps now default to Node version 26.13.0
Applications using the heroku/ruby buildpack that do not have Node installed by another buildpack will now default to Node version 26.13.0.
JRuby version 10.1.3.0 is now available
JRuby version 10.1.3.0 is now available on Heroku. Users can specify this version by adding the engine configuration directive to their Gemfile.
JRuby version 10.0.8.0 is now available
JRuby version 10.0.8.0 is now available on Heroku. Applications can run on this version by configuring the ruby directive in their Gemfile.