product · May 22, 2026
CircleCI Releases Runner 3.1.9 with Container and Machine Runner Fixes
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CircleCI released Runner version 3.1.9 on May 20, 2026. Container Runner updates include fixes for logging collector shutdown, task pod labeling when unsafe retries are enabled, task unclaiming after cleanup, and hot-reloading of resource class definitions from ConfigMap. Machine Runner fixes address relative working_directory resolution from the task agent’s directory. The release is listed under the Runner category in the official changelog alongside concurrent image and environment updates.
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