Sourcegraph change history: Sign-in and authentication errors

Sourcegraph reported a major incident affecting account sign-in and authentication, starting 2026-09-01 15:41 UTC and resolved 2026-09-02 09:39 UTC, lasting 17 h 58 min. Sourcegraph attributed the errors to a Google Cloud networking incident; sign-in had recovered by 2026-09-01 16:48 UTC, with monitoring continuing afterward.