Rendering Core Weekly Update for January 10, 2023

[Stephen Chenney]

Meeting tomorrow (Tuesday) to discuss Q1 OKRs.

Jan 10, 2023

Agenda

• Q1 2023 OKR Planning Review

Upcoming Meetings

• Next meeting January 24, 2023

• Q4 2022 OKR Grading

Triage

Team	Untriaged	SLA Misses	Missing Owners
Layout	5	0	1
Style	4	1	0
Editing	6	0	0
Paint	1	0	0
Canvas	13	4	1
DOM	14	7	3

P1 Bugs Exceeding Web Platform SLO

Team	Priority 1 Bugs	Num Unassigned	Priority 1 Bugs older than 20 days
Layout	8	4	17
Style	6	2	1
Editing	9	3	5
Paint	5	1	2
Canvas	13	6	8
DOM	16	1	10

Open, Closed and Fixed

Team	Opened	Closed	Fixed
Layout	22	39	13
Style	15	23	12
Editing	5	0	0
Paint	15	15	7
Canvas	13	9	6
DOM	16	17	7

Total Open

Team	Total Open	Delta	Total Assigned	Delta	New WPT	Run Rate
Layout	1236	-21	268	-6	5	-2
Style	965	-3	254	-4	1	1
Editing	1110	10	78	1	0	2
Paint	1422	7	432	-2	1	-2
Canvas	377	6	190	-5	0	-1
DOM	1414	3	562	-4	0	5

 

Regression Bugs

Team	Priority 1 Regressions	Num Unassigned	Priority 1 Regressions older than 15 days	External Assignee	Expected Slow Fix
Layout	16	3	12	7	0
Style	0	0	0	0	0
Editing	2	1	2	1	0
Paint	1	0	0	1	0
Canvas	2	1	1	1	0
DOM	7	0	5	6	0

Web Test Fail/Skipped Counts

All test failures:

• Linux-blink-rel build 84864:  4361 web test failures, -13

• Mac-11-blink-rel build 8174:  4517 web test failures, -22

• win10.20h2-blink-rel build 4425: 4664 web test failures, -10

Delta in the table below is the rounded average of the platforms.

	Failing				Skipped
Team	Linux	Mac	Win	Delta	Linux	Mac	Win	Delta
Canvas	10	12	11	0	2	2	2	0
DOM	189	200	192	-2	65	144	67	0
Editing	2	2	3	0	6	6	6	0
Layout	33	36	35	0	1	5	1	0
Paint	148	152	143	-1	12	13	13	2
Style/All	1411	1476	1363	-1	932	932	932	0

Web Test Regressions and Status Changes

When triaging newly added tests, be sure to add necessary information to crbug.com and update the metadata at wpt.fyi.

Test Status Changes:

• 132 new Web tests (including relevant virtual suites)

• 28 Internal:

• fast/forms/textarea/textarea-resize-below-custom-resizer-size.html

• fast/forms/textarea/textarea-resize-below-min-content-size.html

• fast/forms/textarea/textarea-resize-below-resizer-size.html

• paint/invalidation/outline/focus-ring-for-anchor.html

• paint/invalidation/outline/focus-ring-for-anchor1.html

• printing/oof-in-clipped-container-0[1-11].html (11 tests + virtual)

• wpt_internal/css/css-masking/mask-image/mask-image-url-svg.html

• 
  

• 21 Failing:

• external/wpt/css/css-box/margin-trim/* (9 tests)

• external/wpt/css/css-text/text-group-align/* (10 tests)

• external/wpt/css/selectors/nth-child-of-no-space-after-of.html

• external/wpt/css/selectors/nth-last-child-of-no-space-after-of.html

• 2 Skipped

• external/wpt/css/css-grid/masonry/tentative/track-sizing/masonry-track-sizing-overflow-left-side.html

• external/wpt/css/css-grid/masonry/tentative/track-sizing/masonry-track-sizing-overflow-right-side.html

• Existing tests

• 32 Newly passing

• external/wpt/css/css-content/quotes-007.html

• external/wpt/css/css-masking/animations/clip-path-interpolation-shape.html

• external/wpt/css/css-overflow/webkit-line-clamp-024.html

• external/wpt/css/css-text/letter-spacing/letter-spacing-ligatures-002.html

• external/wpt/css/css-transforms/animation/perspective-origin-interpolation.html (+ 2 virtual)

• external/wpt/css/css-values/minmax-percentage-serialize.html

• external/wpt/css/selectors/nth-* (19 tests)

• fast/dom/rtl-scroll-to-leftmost-and-resize.html

• fast/events/platform-wheelevent-paging-x-in-scrolling-page.html

• fast/forms/select/menulist-popup-type-ahead-style-change.html

• fragmentation/single-line-cells-paginated-with-text.html

• svg/dynamic-updates/SVGFEComponentTransferElement-dom-intercept-attr.html

• 2 Newly failing

• printing/webgl-oversized-printing.html (+ virtual)

Launch Test Status

Regressions are how many fail in the virtual suite while passing in the default.

Passing compares the virtual / default passing test counts.

Failing/Timeout compares virtual / default failing or timeout results

Skipped compares skipped count for virtual / default

• backface-visibility-interop: Need to update tracking for linux only

• controls-refresh-hc: Regressions 0, Passing 58 / 58, Failing/Timeout 0 / 0, Skipped 0 / 0

• css-highlight-inheritance: Regressions 1, Passing 290/ 266, Failing/Timeout 34 / 58, Skipped 11 / 11

Metrics

Reminder to add any performance wins to go/wp-perfy.

• Nothing significant.

EngProd (vivianz,weizhong,jonathanjlee,jiesheng,nihardamar)

• TBD

Web Developer Metrics (dgrogan, foolip, schenney)

• Quarterly reminder to please review your team’s bug performance this week (Google internal, sorry)

• Started defining a representation of a “web platform feature” with metadata

• Dashboards of Gecko and Webkit StackOverflow mentions