Thanks to @LJWatson and @hober, we have a room at TPAC on Tuesday, September 17th.

Minutes are available here: https://www.w3.org/2019/09/17-components-minutes.html

This issue tracks the agenda for this F2F.

Topics

• ARIA role parity with HTML elements (at 2pm for 30min) discussed on Monday
• Checking in on ::part — any remaining issues to resolve?
• Custom states
• delegatesFocus
• Scoped custom element registries
• Constructible / adopted stylesheets
• Untrusted components
• Stacking UI
• Default focus behaviors for custom elements
• Element reference IDL attributes and Shadow DOM
• Imperative shadow distribution API
• Mitigating flash of unstyled content with custom elements
• JSON modules: They've been built experimentally in Blink, any plans/concerns from other implementers?
• CSS modules: discuss open issues, any blockers to adoption of scoped V1 implementation Ran out of time.
  • Spec draft here
• State propagation of lang, title and dir Ran out of time.