Intermittent errors with app installation token authentication

May 23, 19:32 UTC Resolved - This incident has been resolved. Thank you for your patience and understanding as we addressed this issue. A detailed root cause analysis will be shared as soon as it is available.

May 23, 19:32 UTC Update - This is fully mitigated, we will continue to monitor to ensure it does not reoccur.

May 23, 19:06 UTC Update - We have identified and are applying additional mitigation and will continue to monitor for complete mitigation.

May 23, 18:42 UTC Update - We see significant signs of mitigation and are monitoring for full mitigation.

May 23, 17:41 UTC Update - We are seeing signs of mitigation and are continuing to monitor for complete mitigation.

Next update in one hour.

May 23, 16:35 UTC Update - We are continuing to investigate an elevated error rate of authentication failures for app installation tokens. Next update in one hour.

May 23, 16:01 UTC Update - We are seeing an increased rate of authentication failures for app installation tokens, affecting approximately 1% of tokens. We are continuing to investigate.

May 23, 16:00 UTC Investigating - We are investigating reports of impacted performance for some GitHub services.