Releasesby GlyphFind credit savings in your config with the Config Optimizer CLI extension
CircleCI released Config Optimizer in open preview as a CLI extension. The extension analyzes project configurations and job usage to recommend resource class adjustments and cache fixes that reduce credit consumption.
Also shipped Nov 13, 2026CircleCI in November 2026 →
AI Function task support in Declarative Automation Bundles (Beta)
Databricks introduced Beta support for AI Function tasks within Declarative Automation Bundles.
Give agents only the access they need
Buildkite released token permissions and queue scopes for agent tokens, allowing teams to restrict agent capabilities and limit job acceptance to specific queues.
Many-to-many relationships in semantic views (Preview)
Snowflake Cortex AI launched a public preview for modeling many-to-many relationships between logical tables within semantic views.
BigQuery connections for MySQL, Oracle, and PostgreSQL are in preview
Google Cloud introduced BigQuery federated query connections to MySQL, Oracle, and PostgreSQL in public preview.
Upcoming deprecation of selected GitHub Copilot models in December
GitHub announced the upcoming deprecation of several Copilot models on December 14, 2026, including Claude Fable 5, Gemini 3.8 Flash, and Grok 4.6.
Aurora PostgreSQL with express configuration now supported in CloudFormation
AWS added support for Aurora PostgreSQL express configuration in CloudFormation, enabling single-property automated cluster creation and faster serverless database setup.
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“Rerun job with SSH” sessions can now be opened right from the CircleCI web app
You no longer need a local terminal, a copied IP address, or any allowlisting on your workstation. What’s new One address, one trusted host key. Connect with ssh ssh.circleci.com instead of a different IP and port for every job. You’ll no longer get a “do you trust this host?” warning on each SSH re-run. Works from restrictive networks.
Config validation warnings will block pipelines on December 14, 2026
Starting December 14, 2026, CircleCI will treat config validation warnings as hard failures, blocking pipeline execution. Users are advised to review and fix existing warnings before this date.
Deprecation of `branches` data in the v1 and v1.1 project and settings APIs
CircleCI is removing the branches field from the following v1 and v1.1 endpoints on December 7, 2026 : GET /api/v1/projects GET /api/v1.1/projects GET /api/v1/project/:vcs-type/:username/:repo/settings GET /api/v1.1/project/:vcs-type/:username/:repo/settings This change applies to CircleCI cloud.
Improved commit status links and failure details
We’ve updated the commit statuses CircleCI posts to your VCS to make it faster to see which run failed and why, for both people and AI agents. More descriptive status URLs Status links previously used the format https://circleci.com/{project-slug}/{build-number} .
Xcode 27.3 Beta 1 Available
The Xcode 27.3 Beta 1 image is now available to be used in CircleCI pipelines. The full manifest of installed software can be found here .
Server Release 4.9.8
Before Upgrading See the CircleCI server 4.9 release notes and upgrade guide for this release. If you mirror images to a private registry or run an air-gapped install, copy the new NGINX image before you upgrade. See Configuration Changes below.
Server Release 4.10.3
Before Upgrading See the CircleCI server 4.10 release notes and upgrade guide for this release. If you mirror images to a private registry or run an air-gapped install, copy the new NGINX image before you upgrade. See Configuration Changes below.
Re-announcing the deprecation of Xcode 16.2.0 and 26.2.0
CircleCI announced that Xcode 16.2.0 and 26.2.0 images will be removed on December 7, 2026, with 24-hour brownouts conducted prior to enforcement.