Use a custom queue somewhere. Have workflows check the queue before executing. If there's a running workflow, add to the queue and exit early. Workflows can either trigger the next run before exiting or something else can coordinate workflow runs. Not saying it's perfect but good enough until the feature is implemented. ... View more

I would like this feature too. There are already hard limits on concurrency so it'd be nice to see those limit controls made available to users so we can lower them even further.   https://help.github.com/en/actions/automating-your-workflow-with-github-actions/workflow-syntax-for-github-actions#usage-limits   There are workarounds for this, but ideally this is something the automation pipeline should handle without the risk of introducing potential race conditions and manual coordination. ... View more