GitLab change history: 503s on GitLab.com

GitLab.com experienced critical-impact 503 errors and site slowness from 2026-10-16 16:10 UTC to 2026-10-16 17:24 UTC, lasting 1 h 14 min. Most services recovered before GitLab Duo slowness cleared; GitLab reported full resolution but did not specify the cause or remediation steps.