Issues · w3c/csswg-drafts · GitHub

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[scroll-animations] ViewTimeline IDL specifies that the `subject` attribute is non-null, but allows construction with no `subject` specified

scroll-animations-1

#13959

· weinig opened

on May 23, 2026

[css-typed-om-1] Clarify reification of computed 1–4 side values

#13958

· janvarga opened

on May 23, 2026

[css-multicol] Examples 30 & 31 do not follow from the spec - column balancing is under-specified and/or incorrect

#13957

· Psychpsyo opened

on May 23, 2026

[filter-effects] Does per-fragment value resolution imply separate filter effect groups?

#13956

· dumbmoron opened

on May 23, 2026

[scroll-animations-1] Condition for returning null vs inactive timeline for missing named timeline reference

scroll-animations-1

#13955

· dshin-moz opened

on May 22, 2026

[css-fonts-4] Should CSSFontFeatureValuesRule attributes be [SameObject]?

#13953

· lilles opened

on May 22, 2026

[css-position-3] Should "padding edges" instead of "content edge" be used to form containing block by fragmented inlines?

#13952

· aethanyc opened

on May 22, 2026

[css-inline-3] Alignment behavior of `vertical-align: middle` differs from existing CSS2 implementation

#13951

· kbhomes opened

on May 21, 2026

[css-grid-3] Should align-self/justify-self: stretch override explicit size?

#13950

· celestepan opened

on May 21, 2026

[filter-effects] chained filter support, aka href on the filter element

css-filter-effects-1

#13949

· karlcow opened

on May 21, 2026

[css-pseudo-4] `::first-letter`: under-specified behaviour when the first character is a Mark (`M*`) or Format (`Cf`)

#13948

· karlcow opened

on May 21, 2026

[selectors-4] Changes since Level 3 wildly out of date

#13947

· svgeesus opened

on May 20, 2026