Team docs (Google Internal)
Reduced the number of "Blink > DOM" bugs from 145 to 73.
Organized the core and core/dom directories (details).
New directories: core/html/custom, core/typed_arrays, core/script (WIP), core/fullscreen, core/intersection_observer, core/resize_observer, core/dom/events
Merged core/dom/shadow into core/dom
Started to write core/dom/README.md (WIP) to explain how DOM works
Got >3 LGTMs for "Intent to Remove Multiple Shadow Roots"
Will remove it in M63
Delayed the removal of /deep/ from M61 to M63 (crbug.com/489954)
Declarative Shadow DOM is under the discussion.
Improved interoperability; Resolved 188 Chrome-alone failures in web-platform-tests/html/
"Chrome-alone failures" means tests that fail with Chrome, and succeed with Edge and Firefox.
Including some new features such as <data>, <time>, beforeprint/afterprint events
Re-implement form validation bubble UI
Fixed potential security issues
Now all platforms have identical animation behavior
Will be shipped in M62
Adopt to Layout NG; offset mapping, selection paint refactor, visible units refactor
Bug count to 812(+35) from 777 for 219 incoming bugs (57 bugs by ClusterFuzz)
Design "Incremental Shadow DOM"
Have an “Intent to Implement” week for new DOM APIs, such as EventTarget constructor
tkent@ is OOO
Adopt selection to Layout NG