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CircleCI Release notes and new features

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CircleCI releases

November 2026 digest

3 releases

Deprecation of v1 and v1.1 Trigger and Rerun APIs, February 1, 2027

CircleCI is retiring 10 legacy v1 and v1.1 API endpoints used to trigger and rerun builds. They will be removed on February 1, 2027. This extends the date previously communicated by email (November 1, 2026). After that date, requests to these endpoints return HTTP 410 Gone.

Deprecation
About and activity

CircleCI is a continuous integration (CI) and continuous delivery (CD) platform that can be used to implement DevOps practices. The company was founded in September 2011 and has raised $315 million in venture capital funding as of 2021, at a valuation of $1.7 billion.

Official release-notes pages 4
Release-notes pageFeed
Changelog
circleci.com
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Preview
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Release notes
circleci.com
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Server Release 4.8.9
circleci.com
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