This issue has been resolved and the service is operating as expected.
Posted Jul 12, 2021 - 17:22 PDT
Issue has been identified. Impact is that some Direct Messages failed to send Push Notifications to the recipient. This issue has been corrected and oncall engineering is monitoring the relevant metrics for full recovery.
Posted Jul 12, 2021 - 17:06 PDT
We are currently investigating a possible issue with Direct Messages.