5.67.8.20260907192848

  • [Improvement] Serve content-hashed widget assets as immutable: GWT permutations and webpack bundles are capped at 6 hours (#26436)
  • [Improvement] bus.html is served with no Cache-Control despite a version-busted URL (#26438)
  • [Improvement] Fonts and SVG have no cache policy; remove dead .eot/.ttf font sources (#26445)
  • [Fix] Chats-list COUNT(*) examines 1.83M rows per poll, saturating qla-prod-ec1-la-db-16-master-2 at 92% CPU (#26423)
  • [Fix] Setting State of missed chats doesn't work (#26485)
  • [Fix] Stuck chat: rc not cleared, co-occurring with Aurora chat-read "Connection refused" error (#26577)