w3c/fxtf-drafts Issues

Last updated Sep 15, 2025, 5:54:54 AM UTC.

67 out-of-SLO untriaged issues
23 issues with out-of-SLO pending edits

Untriaged

Try to triage issues within 7 days. [ More Info ]

Issue	Title	Within SLO	On maintainers' plates for	Time left	Time past SLO
#126	[transforms-2] Dubious definition of perspective(0)	❌	8.4 years		8.4 years
#311	[css-transform-2] Logical Transforms	❌	6.9 years		6.9 years
#387	[filter-effects-1] Handling bias in feConvolveMatrix	❌	5.7 years		5.7 years
#396	[geometry-1] DOMRect should have a serialization hook	❌	5.5 years		5.4 years
#402	Filters applied to non-root elements generate containing blocks that corrupt the intended position of fixed/absolute descendants	❌	5.2 years		5.2 years
#405	[filter-effects-2] Clarify the behavior of backdrop-filter clip on SVG elements	❌	5 years		5 years
#409	[filter-effects] Add spread distance to drop-shadow()	❌	4.9 years		4.9 years
#415	[filter-effects-1] Range limit missing from feSpecularLighting attribute "specularExponent"	❌	4.8 years		4.8 years
#417	[fill-stroke] Clarify the relation to SVG's Painting section	❌	4.7 years		4.6 years
#430	[motion-path] <size> type links to incorrect definition	❌	4.3 years		4.2 years
#446	[compositing-2] 'lighter' vs 'plus-lighter'	❌	3.8 years		3.8 years
#447	[css-compositing-2] Remove or fix definition of plus-darker	❌	3.7 years		3.7 years
#449	[compositing-2] Add support for add, subtract and divide blending modes.	❌	3.6 years		3.6 years
#454	[compositing-2] Compositing Operators Lighter and Plus-Darker need some clarifications	❌	3.5 years		3.5 years
#459	[compositing-2] what is the blending mode of example 13 chapter 10	❌	3.2 years		3.2 years
#462	[filter-effects] SVG filter for invert not working properly	❌	3.1 years		3.1 years
#464	[compositing-2] background-blend-mode value not rendered properly	❌	3.1 years		3.1 years
#467	[css-masking-1] Disallow trailing slashes in `mask-border`	❌	3 years		3 years
#472	[compositing-2] co or Co ?	❌	2.9 years		2.9 years
#480	[css-masking-1] Clarification on mask-type presentation attribute	❌	2.8 years		2.8 years
#481	[motion-1] Issues with offset-path examples in the spec usage of 'margin-box'	❌	2.8 years		2.8 years
#482	[filter-effects-1] Broken references in Filter Effects Module Level 1	❌	2.8 years		2.8 years
#518	[compositing] mix blend mode does not work in the following configuration, I would like to understand why	❌	2.7 years		2.7 years
#485	[filter-effects-1] transfomation support for filter effect	❌	2.7 years		2.7 years
#488	[css-masking-1] Add destination-out for mask-composite	❌	2.6 years		2.6 years
#489	[css-masking-1] Add a "fill" option for mask-repeat	❌	2.6 years		2.6 years
#490	[compositing-2] Broken references in Compositing and Blending Level 2	❌	2.6 years		2.6 years
#516	[geometry-1] Broken references in Geometry Interfaces Module Level 1	❌	2.3 years		2.3 years
#520	[filter-effects-1] Spec respects dark mode, but math is still rendered in black, rendering massive chunks of the spec unreadable	❌	2.3 years		2.3 years
#524	[css-masking-1][filter-effects] Allow custom or inverse effects order	❌	2.2 years		2.1 years
#530	[css-masking-1] Allow permutation in mask-border-slice	❌	2 years		2 years
#532	[css-masking-1] `<image>` and `<mask-source>` overlap	❌	2 years		2 years
#533	[filter-effects] tint() function	❌	1.9 years		1.9 years
#536	[geometry] DOMMatrix parsing does not describe how to handle percentages	❌	1.9 years		1.9 years
#538	Resolve whether to change UserSpaceOnUse spec	❌	1.8 years		1.8 years
#540	[motion-1][editorial] Use <radial-extent> as reference for ray size keywords	❌	1.7 years		1.7 years
#543	[general css??] MathJax doesn't change color on dark mode	❌	1.7 years		1.7 years
#547	[meta] Some published (draft) specs are out of date	❌	1.6 years		1.6 years
#549	[compositing-2] Example 2 in section 3.4 for mix-blend-mode is misleading	❌	1.6 years		1.6 years
#551	[css-masking-1] The syntax of mask shorthand should use <coord-box> instead of <geometry-box>	❌	1.5 years		1.5 years
#552	[css-masking-1] Replace <geometry-box> with <coord-box> for mask shorthand property.	❌	1.5 years		1.5 years
#556	[geometry-1] Is a specific handling for Infinity implied by "NaN-safe minimum/maximum"?	❌	1.5 years		1.5 years
#558	[geometry] new DOMMatrix().toString() works differently when executed in a web worker	❌	1.5 years		1.5 years
#559	[geometry] "A 2D or a 3D point can be represented by the fo..."	❌	1.5 years		1.4 years
#563	[css-masking-1] Clarify effect of `mask-image: none`	❌	1.2 years		1.2 years
#564	[filter-effects-1] Elements with invalid filters	❌	1.2 years		1.2 years
#574	[css-geometry] `DOMMatrixReadonly` stringifier does not stringify all matrix elements.	❌	11.2 months		11 months
#576	[css-filters] Update grammars for CSS filter functions to include value ranges	❌	10 months		9.8 months
#577	[css-masking-1] Replace <geometry-box> with <coord-box> for mask	❌	8.9 months		8.6 months
#578	[geometry-1] only `DOMMatrix` `toFloat32Array` and `toFloat64Array` methods, but no `toArray` method for regular arrays	❌	8.8 months		8.6 months
#579	[geometry-1] Improve algorithm steps for identity transforms	❌	8.6 months		8.4 months
#580	[geometry-1] Steps for `multiplySelf` are inefficient	❌	8.6 months		8.4 months
#581	[geometry-1] `DOMMatrixInit` is not too useful if a `DOMMatrix` `constructor` cannot accept such a value	❌	8.6 months		8.4 months
#582	[geometry-1] Why does `multiplySelf` (etc) accept `DOMMatrixInit` instead of `DOMMatrix`?	❌	8.6 months		8.4 months
#583	Improve links to 2D vs 3D transforms math descriptions.	❌	8.6 months		8.4 months
#584	[geometry-1] propose new `DOMMatrix.reset` method (no way to reset `DOMMatrix` `is2D` back to `true` when returning to identity)	❌	8.6 months		8.4 months
#585	[geometry-1] propose adding `DOMPoint` as an argument for `DOMMatrix` that accepts vectors.	❌	8.6 months		8.4 months
#586	[geometry-1] Methods of immutable classes should return immutable instances.	❌	8.6 months		8.4 months
#587	[geometry-1] `DomMatrixReadOnly` is missing `preMultiply()` method (better mutable vs immutable patterns?)	❌	8.6 months		8.4 months
#588	[geometry-1] discrepancy: setting a matrix to identity with setters keeps is2D `true`. Creating a matrix with an identity sequence sets `is2D` to `false`.	❌	8.6 months		8.4 months
#589	[geometry] "Set pointVector to pointVector post-multiplied ..."	❌	7.8 months		7.5 months
#591	Missing includes in regenerated filter effects spec	❌	6 months		5.8 months
#592	Getting internal server errors and timeouts	❌	5 months		4.8 months
#593	mask-type missing from `<mask>` presenation attributes	❌	4.6 months		4.4 months
#594	Support for `<number>` in the stroke-dasharray CSS property does not reflect a CSS resolution from 2018	❌	4.6 months		4.3 months
#596	[filter-effects] relative feDisplacementMap on non-square inputs produces a different result in every browser	❌	3.4 months		3.1 months
#608	[css-masking-1][editorial] Negative mask-border-outset values are invalid	❌	1.1 weeks		15 hours
#609	Clarify `offset-position` creates stacking context or not?	✔	5 days	2 days
#610	[filter-effects-2] Ambiguity in spec over whether root elements of child iframes form Backdrop Root	✔	4 days	3 days

Need Edits

Try to apply the edits requested in these issues within 2 weeks. [ More Info ] [ See these issues on Github ]

Issue	Title	Within SLO	Has needed edits for	Time past SLO
#134	[fill-stroke] Add fill-blend-mode and stroke-blend-mode properties	❌	8.4 years	8.4 years
#110	[css-paint-1] Specify the impact of strokes on overflow	❌	8.4 years	8.4 years
#197	[css-masking-1] `clip` applies-to section should mention <marker>, not <mask>	❌	7.7 years	7.7 years
#107	[css-paint-1] Add paint-order property	❌	7.7 years	7.7 years
#238	[filter-effects] What should happen if filter and background-attachment fixed; applied to the same element?	❌	7.6 years	7.6 years
#251	[css-masking-2] Add mask-position-{x,y}	❌	7.6 years	7.6 years
#252	Canvas 2D integration needs to be better	❌	7.6 years	7.6 years
#177	[filter-effects] For filter() image function, do you use intrinsic or extrinsic image dimensions	❌	7.3 years	7.3 years
#301	[filter-effects] Have <url> link to the dfn in CSS Values	❌	7.1 years	7.1 years
#309	[filter-effects-1] Should mix-blend-mode or filter apply to non-renderable SVG containers?	❌	6.9 years	6.8 years
#344	[geometry] Ability to link to each serialization step	❌	6.2 years	6.2 years
#349	`DOMQuadInit` at assumes that its `DOMPointInit` members get default values	❌	6.2 years	6.2 years
#346	[geometry] DOMMatrix constructor is a performance and code portability footgun	❌	6.2 years	6.2 years
#353	Don't distinguish between unspecified and empty DomQuadInit fields	❌	6.1 years	6.1 years
#358	[css-masking-1] Fetch doesn't define "potentially CORS-enabled fetch"	❌	6 years	6 years
#360	[geometry-1] Various uses of "post-multiplied" and "pre-multiplied" are very unclear	❌	6 years	6 years
#375	[filter-effects-1] Don't list feSpotLight as filter primitive element	❌	6 years	5.9 years
#376	[filter-effects-1] Filter primitives do not always form a tree structure	❌	6 years	5.9 years
#436	[css-masking-1] Intro image should demonstrate non-binary mask	❌	4.1 years	4 years
#130	[css-masking] make the behavior of an invalid mask be consistent with clip-path and filter	❌	2.9 years	2.9 years
#461	[filter-effects] TYPO	❌	1.5 years	1.5 years
#478	[compositing-2] [compositing-1] co or Co ?	❌	1.2 years	1.1 years
#403	[css-compositing] Clarify what "SVG" and "SVG element" refer to in "3.3 Behavior specific to SVG"	❌	1.1 years	1.1 years