Retool change history: Retool Mobile apps cannot be opened in the in-browser preview

Retool Mobile apps failed to load in browser user-mode and editor previews during a major outage starting 2026-06-04 15:13 UTC, resolved at 2026-06-04 19:16 UTC (4 h 2 min). Editing mobile apps and native iOS/Android use were unaffected; Retool reported implementing a fix.