Resolved
The incident is resolved.
No retrospective or public follow-up will be required for this incident. Impact was detected by monitoring, self-resolved, and root cause was identified. Fix was deployed.
Retroactive
Between 2021-10-14 03:32 and 03:50 UTC, our monitoring system observed partial loss of requests to a subset of Heroku apps in the Common Runtime US region.
In addition, the same impact was also observed in the Common Runtime EU region between 2021-10-13 10:22 and 10:29 UTC and between 2021-10-13 11:42 and 11:46 UTC.