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TPAC F2F November 2017

nainar edited this page Nov 9, 2017 · 32 revisions
  • Host: W3C
  • Date: Thursday, November 9th, 2017 (after the CSS WG meeting
  • Time: 9:00 am
  • Room: Cypress C
  • Remote participation: we'll setup Webex call (would be good for folks in NZ | SYD who are not otherwise coming to TPAC)

Meeting Minutes


Burlingame, CA, USA at the Hyatt Regency SFO

Participants (alpha by first name)

  • Alan Stearns (for at least some of the day)
  • Chris Lilley
  • Daniel Holbert
  • Emil A Eklund
  • fantasai
  • Francois Remy
  • L. David Baron (though maybe in AC meeting instead starting at 15:00)
  • Lea Verou
  • Naina Raisinghani
  • Peter Linss
  • Rick Byers (at least some of the day)
  • Rossen Atanassov
  • Simon Fraser
  • Tantek Çelik (strongly prefer Thursday morning, conflict: AC meeting Thursday afternoon)
  • Greg Whitworth
  • Xidorn Quan

Proposed Topics

Properties and Values

  1. What is the computed value of a <transform-list> in the middle of a layout dependent matrix decomposed interpolation?
  2. var() references to type properties with font-relative lengths
  3. define how typed custom properties influence @supports

Typed OM

  1. Font Family Name doesn't uniquely identify a font face (
  2. Spec up ColorValue (
  3. What should CSSNumericValue.type() do? (
  4. Add spec text for arraylike in CSSTransformValue (
    • this is blocked by: heycam/webidl#345
    • Add spec text for arraylike in CSSTransformValue
  5. Simplifying expressions in CSSMathValue subclasses (
  6. Do CSSMathValue subclasses copy their constructor arguments? (

Custom Layout

Custom Paint

  1. [worklets]
  2. [worklets] restrict worklets to SecureContexts
  3. [worklets] dynamic import() -
  4. What to do with unresponsive scripts? -
  5. Concrete object size should be the snapped pixel size? -
  6. Check with folks that we are fine with PWGS going away -

Animation Worklet