Recap

• Justin

  • Fixed CEv1 in IE 11, again

  • Fixed integration test in IE11, added simple amp-img test

  • Opened PR to use localName/tagName based on whether using uppercase/lowercase

  • Quick Promise.resolve() transform to share instance

  • Banning newer ES features, removingPromise.p.finally use

• Jake

  • Mauve related

    • Removed force option from toggleLoading. Afterwards: fixed bugs it caused (gh/27508, gh/27905)

    • Removed unnecessary measures from the toggleLoading calls in hide() and the video-player (gh/27730, gh/27654, gh/27760, )

  • Other

    • Implemented draft of protocol adapter support in worker-dom (gh/worker-dom/850)

    • Found/fixed an iOS bug where we were missing a needed measure (gh/27729)

    • amp-script: improved illegal mutation messaging (gh/27834)

    • Added [data-tweetid] to the validator (gh/27787)

• Will

  • Finished IntersectionObserver test plan, fixed a few more edge cases, and enabled in canary (4/28)

  • Wrapped up some email-related tasks in amp-list

  • Found documentHeight/premature remeasure bug


Learned

• We need an integration test for documentHeight for email (do we have any for other viewer messages?)

• Closure's Conformance config won't ban prototype accesses with BANNED_NAME


Next

• Justin

  • Finish connectedCallback PR

    • Reduce dom mutations

    • Defer buildCallback

• Jake

  • Mauve

    • Fix documentHeight bug

    • Runtime perf test pages

  • Other

    • Protocol adapters

  • Discuss: intern/step

• Will

  • Try out IntersectionObserver in canary