Notify on merge queue failures#581
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bschwedler
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Jun 9, 2026
The action previously skipped silently when no previous workflow runs were found on main. This prevented merge queue failures from triggering notifications, since merge queue runs land on ephemeral refs and never appear in a main-branch run query. Now: no history + failed → fire failure notification; no history + passed → skip. State-transition logic is unchanged for builds with history.
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The Slack notification action previously skipped silently when no prior
run history was found. Merge queue runs on ephemeral refs never appear
in a main-branch run query, so that guard was swallowing all merge queue
failures with no notification.
Now: no history + passing → still skip. No history + failing → notify.