Issues

• [cssom-1] Clarify initialization and access of a loading CSSImportRule.styleSheet

  css-cascade-4cssom-1
  w3c/csswg-drafts#14099 · Filter by author cdoublev opened on Jun 29, 2026

• [css-cascade] What is the encapsulation context of the user and user agent style sheets?

  css-cascade-4css-cascade-5css-cascade-6
  w3c/csswg-drafts#13829 · Filter by author cdoublev opened on Apr 20, 2026

• [css-cascade-5] How does 'revert' interact with !important?

  css-cascade-4css-cascade-5
  w3c/csswg-drafts#13510 · Filter by author jyasskin opened on Feb 17, 2026

• [css-values] Proposal: a way to revert a property to use presentational hints if any

  css-cascade-3css-cascade-4css-cascade-5
  w3c/csswg-drafts#13213 · Filter by author benface opened on Dec 13, 2025
  28

• [css-cascade-4][css-syntax-3] *Fetch @import* should *create a CSS style sheet*

  css-cascade-4
  w3c/csswg-drafts#13049 · Filter by author cdoublev opened on Nov 1, 2025

• [css-syntax-3][css-cascade][css-conditional] Missing definition of <declaration>

  css-cascade-4css-cascade-5css-conditional-3css-conditional-5css-syntax-3editorial
  w3c/csswg-drafts#13003 · Filter by author SebastianZ opened on Oct 22, 2025
  4

• [css-conditional][css-mixins][css-cascade] How should global at-rules work inside of "contextual conditionals" like @container?

  css-cascade-4css-conditional-5css-mixins-2Needs EditsNeeds Testcase (WPT)
  w3c/csswg-drafts#12627 · Filter by author tabatkins opened on Aug 20, 2025
  4

• [css-cascade-4] [css-values-4] [css-fonts-4] [css-font-loading] Further issues with URLs and fetching

  css-cascade-4css-font-loading-3css-fonts-4css-values-4
  w3c/csswg-drafts#12288 · Filter by author AtkinsSJ opened on Jun 5, 2025
  2

  

• [css-cascade] Definition of “encapsulation context”

  css-cascade-4css-cascade-5
  w3c/csswg-drafts#11265 · Filter by author j9t opened on Nov 23, 2024
  2

• [css-cascade] Atomic CSS

  css-cascade-4css-cascade-5
  w3c/csswg-drafts#11142 · Filter by author LeaVerou opened on Nov 1, 2024
  7

• [css-cascade] may need to define cascading order between sibling encapsulation contexts

  css-cascade-4css-cascade-5
  w3c/csswg-drafts#10889 · Filter by author dbaron opened on Sep 13, 2024
  2

• [css-cascade][css-syntax] Global revert-rule keyword that works like revert-layer but for the current rule only

  css-cascade-4css-syntax-3Needs Edits
  w3c/csswg-drafts#10443 · Filter by author LeaVerou opened on Jun 13, 2024
  32

• [css-cascade] 'output of the cascade' typo in all levels of Cascading & Inheritance spec?

  css-cascade-3css-cascade-4css-cascade-5css-cascade-6editorial
  w3c/csswg-drafts#9998 · Filter by author mirisuzanne opened on Feb 26, 2024
  1

• [css-cascade] Specify how @import cycles work

  css-cascade-3css-cascade-4css-cascade-5css-cascade-6
  w3c/csswg-drafts#9171 · Filter by author evanw opened on Aug 8, 2023
  4

• [css-cascade] Instruction in example 11 is confusing

  css-cascade-3css-cascade-4css-cascade-5
  w3c/csswg-drafts#9049 · Filter by author simevidas opened on Jul 10, 2023

• [css-conditional] @import ... supports(<blank>) validity

  css-cascade-4
  w3c/csswg-drafts#8598 · Filter by author CanadaHonk opened on Mar 15, 2023
  1

• [css-cascade-4] An "all-namespaces" user agent stylesheet

  css-cascade-4
  w3c/csswg-drafts#8573 · Filter by author jakearchibald opened on Mar 13, 2023
  7

• [css-cascade] "document order" is undefined

  css-cascade-3css-cascade-4css-cascade-5css-display-3css-display-4css-syntax-3editorialNeeds Edits
  w3c/csswg-drafts#8551 · Filter by author cvrebert opened on Mar 9, 2023
  2

• [css-cascade-4] Inconsistency between "value space" and "value syntax"

  css-cascade-4
  w3c/csswg-drafts#7586 · Filter by author gsnedders opened on Aug 9, 2022
  1

• [css-cascade][cssom] Define what happens when legacy shorthand has grammar broader than longhand

  css-cascade-4cssom-1
  w3c/csswg-drafts#7195 · Filter by author Loirooriol opened on Apr 1, 2022
  4

• Clarity on whether supported legacy name aliases are supported properties

  css-cascade-4
  w3c/csswg-drafts#7166 · Filter by author gsnedders opened on Mar 22, 2022
  1

• [css-cascade] Apparent contradiсtion between definitions of "the cascade" and "the output of the cascade"

  css-cascade-4
  w3c/csswg-drafts#6996 · Filter by author SelenIT opened on Jan 28, 2022
  3

• [CSSOM][css-cacade] Style sheet loading should do ok status check

  css-cascade-4cssom-1
  w3c/csswg-drafts#5864 · Filter by author annevk opened on Jan 13, 2021

• [css-cascade] Unclear which origins to compare for @import in quirks mode

  css-cascade-4HTML
  w3c/csswg-drafts#4838 · Filter by author zcorpan opened on Mar 6, 2020
  14