v1.27.0

Changed

• 🔥(frontend) drop unused vendored ConnectionObserver
• 🐛(frontend) vendor formatChatMessageLinks and trim surrounding newlines

Fixed

• 📈(frontend) downgrade unreachable external home URL from error to event
• 🐛(frontend) handle 401 responses when syncing user preferences
• 🐛(frontend) harden speaker test against missing sinks and play errors
• 🐛(frontend) implement hysteresis band for the control bar layout
• 🐛(frontend) fix toolbar ResizeObserver loop and alignment drift
• 🐛(analytics) filter benign ResizeObserver loop error in Sentry/PostHog
• 🐛(frontend) stop reporting screen-share denials as errors
• 🐛(frontend) generalize screen-share error modal beyond macOS
• 📈(frontend) stop double-reporting media device failures