• Demo section staleness check endpoint + demo route regroup
• feat(metrics): per-worker memory and GC telemetry to CloudWatch
• remove stale skip tags for properties encryption key
• skip mix_move_ai.feature on firefox
• [Rebrand] RE-107: section sign-in page → design-system components (React)
• Sketch Lab: manual pass on start mode colors
• chore(shared): remove legacy shared/js support
• make test more reliable
• fix(geolocation): accept country code directly in GeolocationOverride cookie
• Repoint starwars dance flappy UI tests
• test(e2e): port teacher_tools/level_types/multi3.feature to playwright
• Ceara/tutor challenge video
• clean up @no_device_farm tags on ui tests
• Show notifications when clicking Alerts button in nav
• chore(script-levels): allow disabling @@fallback_responses cache for A/B testing