wg-runtime Status Update 2020-01-21

[jridgewell]

What was accomplished

Lessons learned

What's next

[jridgewell]

What was accomplished

• First PreactBaseElement (<amp-date-display>) was merged!
• Writing docs on Sec-CH-UA, the new Client Hints UserAgent proposal.
• Made PR to launch native CEv1 for everyone!
• Updated devAsserts babel transform to let Closure do correct type narrowing
• Attempted (and failed) to get RRule supported again with Caroline.

Lessons learned

• Sec-CH-UA is not a perfect fit for differential serving, but it's a step in the right direction
• Closure compiler still doesn't understand circular imports
• RRule has a require() call inside a ESM module to avoid a circular import, and closure really doesn't like that.

What's next

• Doing native Preact Tests
• Finish Sec-CH-UA docs
• Restart crossorigin=anonymous Cache transforms
• Need to write design docs on Bento, CEv1 and others.
• Work on serving Bento modules

[dreamofabear]

What was accomplished

• Sent first IntersectionObserver PR for review (First pass at IntersectionObserver in Resources amphtml#26236)
• [WIP] A couple important layout/mutation bugs in amp-script/worker-dom

Lessons learned

• layout=responsive|fluid requires using a "fill-content" child container for sizing

What's next

• Respond to code review comments in IntersectionObserver PR
• Merge the amp-script/worker-dom bug fixes

[samouri]

What was accomplished

• Removed support for deprecated [state] attr (♻️ amp-list: remove support for deprecated state attribute amphtml#26283), was well as the "development" mode for amp-script (♻️ amp-script: remove support for deprecated development mode opt-in flag amphtml#26225)
• Submitted PR that enables evaluations for any amp-script with fixed size (amp-script: high trust addendum amphtml#26046).

Lessons learned

• The flu is evil.

What's next

• Continue on amp-state: URI work.