Disruption with some GitHub services - Signup Flow
This summary is created by Generative AI and may differ from the actual content.
Overview
Between 15:19 UTC and 15:49 UTC on 30 June 2026, users were unable to complete the GitHub.com/signup flow, with approximately 62 % of new user signups failing for about 30 minutes. The incident was caused by a configuration change that unintentionally blocked the signup process. Reverting the change restored normal operation.
Impact
Approximately 62 % of new user signups failed for about 30 minutes.
Trigger
A configuration change to the signup flow unintentionally blocked users from completing signup.
Detection
Reports of impacted performance for some GitHub services were observed, leading to investigation of the signup issue.
Resolution
The configuration change was reverted, which restored successful signups.
Root Cause
The configuration change to the signup flow unintentionally blocked users from completing the signup process.