HTML/DOM team biweekly snippet (May 9, 2017 - May 22, 2017)

[Takayoshi Kochi]

HTML/DOM team’s mission is “Evolve, implement and standardize HTML syntax, semantics and DOM”.

For contacting our team, please use dom...@chromium.org

Updates for last 2 weeks (on Monday, May 22, 2017):

Web Components Performance Improvement

- Lots of measuring createElement performance. No changes though.

Authors have predictable experience in development

- Changing slotchange event behavior: https://github.com/whatwg/dom/issues/447  

- Removed XHTML content sniff; crbug.com/702084

- Implementing Document constructor; crbug.com/238234

- Planning deprecation of style application from HTML Imports; crbug.com/523952

- Decided to stop working on HTML context menu.

Make Editing unblock LayoutNG

- Refactoring TextIterator; crbug.com/721957

- Refactoring LayoutSelection; crbug.com/708453

Editing performance

- Enabled performance test on bots; crbug.com/698661

Miscellaneous

- /deep/ (and ::shadow) is going to removed in M60

  A blocking issue: ChromeOS Login UI, which ChromeOS team is working to fix

- Fixing regressions due to decoupling focus and selection; crbug.com/715889, crbug.com/712986, crbug.com/713051

- We roll libxslt like libxml now with a sane Python script and consistent patching. crrev.com/6f776b2a

- Did some crawling and analysis of Blink and Chromium code review threads.