2020-q2 OKRs

• Avoid double rendering and layout shift for ‘font-display: optional’. crbug.com/1040632
• Reduce invalidation/recalc on @font-face loading. Ship improvements in M83. crbug.com/441925
• Ship BlockHTMLParserOnStyleSheets. crbug.com/891767
• Try to relax parser yielding heuristics. crbug.com/1041006
• Find out why PaintHolding is faster. crbug.com/1069799
• Add Tests for Input-Suppression. https://crbug.com/1001189, https:// crbug.com/1014110
• Align default font timeouts with LCP goal. crbug.com/1065508
• Optimize stylesheet RuleSet invalidation. crbug.com/1065381
• Composited clip path animations. crbug.com/686074
• Remove DisableCompositingQueryAsserts for CompositeAfterPaint. crbug.com/1007989
• Land directly composited images with CompositeAfterPaint. crbug.com/875110
• Decide whether we can ship prefer-compositing-to-lcd-text. crbug.com/984346
• On-track to launch AssumeOverlapAfterFixedOrStickyPosition in M84. crbug.com/752756
• CompositeAfterPaint: fix all remaining test failures. crbug.com/471333
• MatchedPropertiesCache optimizations. crbug.com/1057072
• Understand post-load friction metrics for style.
• Independent inheritance for custom properties. crbug.com/1056209
• Fix font cache lifecycle, runaway font memory consumption during animation.
• Reliable measurement of shaper font stack traversal depth
• Use experiment to determine impact of compositing cross-origin iframes. https://crbug.com/1062432, https://crbug.com/1060452
• Optimize imperative slot distribution algorithm for adding slots. crbug.com/985652
• Ship FragmentItem. crbug.com/982194
• Compute correct wheel event handler regions for cc. crbug.com/841364
• Complete implementation of plan to navigate. crbug.com/1053679
• Get consensus on unifying <select> popup on Mac and non-Mac. crbug.com/1009905, and crbug.com/422960
• Web Components v0 Removal
• Get resolution on ::part() and :state() syntax
• TablesNG. crbug.com/958381
• Grid refactoring
• Move 6 cc::Layer setters post-paint. crbug.com/1069546
• Turn on use-zoom-for-dsf by default on MacOS. crbug.com/716231
• Spec ink overflow
• Adopt Gecko semantics for 3D CSS rendering. crbug.cm/1008483.
• Remove @import support from CSSStyleSheet.replace() and replaceSync(). crbug.com/1055943
• EditingNG. crbug.com/707656
• FlexNG. crbug.com/845235
• Fix Mac OS 10.15 system font rendering regression. crbug.com/1057654
• Ship imperative slotting. crbug.com/869308
• Declarative shadow DOM. crbug.com/1042130
• Form Controls Refresh. crbug.com/1042127, crbug.com/1051552
• Form Controls Refresh Android / Dark Mode. crbug.com/970285
• Implement and ship beforematch. eventcrbug.com/1055002
• More stylable form controls
• Constructable stylesheets
• AdoptedStyleSheets use ObservableArray
• Spec and implement cross-tree-scope handling of @-rules. https://github.com/w3c/csswg-drafts/issues/1995
• Ship @property. crbug.com/973830
• attr(). crbug.com/246571
• Ship ::marker pseudo element. crbug.com/457718
• RubyNG. crbug.com/1069817
• Custom state pseudo class
• FragmentationNG. crbug.com/829028
• Ship minimal named pages support, plus page-orientation descriptor. crbug.com/1053768
• Aspect-ratio layout. crbug.com/1045668
• Review and design collaboration for Font Enumeration and Table Access
• Implement and ship to Beta text-decoration-width & text-underline-offset (+ support MVAR variable font underline metrics)
• Prototype usage and content rendering of COLR-gradient font
• Improve text quality by using more LCD text. crbug.com/642885
• Ship CSS filters for SVG. crbug.com/109224Ship clip-path, filter, mask, etc via external SVG resource. crbug.com/109212
• Implement ParentNode.prototype.replaceChildren. crbug.com/1067384
• Other things for frameworks. Re-parenting iframes?
• Resolve whether to implement or drop input.rawValue. crbug.com/1043288
• Get public feedback on CSS Scoping proposal.
• Unify StyleForElement and PseudoStyleForElement
• LayoutNG ratio metrics. crbug.com/1067527
• Easier usage of Noto Color Emoji on Linux. crbug.com/767754
• Reduce paint test flakiness by 50%