Issues

• [css-pseudo] ::file-selector-button as a CSSPseudoElement

  Agenda+ TPACAgenda+css-pseudo-4
  w3c/csswg-drafts#14547 · Filter by author vmpstr opened on Oct 1, 2026

• [css-pseudo] Add aria-* properties *just for pseudo-elements*?

  css-pseudo-4
  w3c/csswg-drafts#14534 · Filter by author tabatkins opened on Sep 28, 2026
  7

• [css-pseudo-4] CSSPseudoElement.selectorText parameter for ::scroll-button

  Agenda+ TPACAgenda+css-pseudo-4
  w3c/csswg-drafts#14528 · Filter by author vmpstr opened on Sep 26, 2026

• Preventing User Dictionary Leaks via ::spelling-error and ::grammar-error CSS Pseudo-Elements

  Agenda+css-pseudo-4css-pseudo-5
  w3c/csswg-drafts#14500 · Filter by author annevk opened on Sep 16, 2026
  2

• [css-pseudo-4] definition of "intervening typographic space" for ::first-letter text rules is a bit unclear

  css-pseudo-4css-text-4
  w3c/csswg-drafts#14494 · Filter by author dbaron opened on Sep 15, 2026
  1

• [css-pseudo-4] Should highlights support interactivity declarations?

  Agenda+css-pseudo-4
  w3c/csswg-drafts#14312 · Filter by author keithamus opened on Aug 12, 2026
  2

• [css-pseudo][css-highlight-api] Highlight painting over replaced elements

  css-highlight-api-1css-pseudo-4
  w3c/csswg-drafts#14108 · Filter by author ffiori opened on Jun 29, 2026

• [css-pseudo] Expandable contents pseudo-element too specific

  css-pseudo-4
  w3c/csswg-drafts#14023 · Filter by author ByteEater-pl opened on Jun 6, 2026

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

  css-pseudo-4
  w3c/csswg-drafts#13948 · Filter by author karlcow opened on May 21, 2026

• [css-pseudo] Spec clearly whether text inputs are supposed to support first-line / first-letter

  css-pseudo-4Needs EditsNeeds Testcase (WPT)
  w3c/csswg-drafts#13926 · Filter by author emilio opened on May 14, 2026
  3

• [css-pseudo] ::before(<ident>) / ::after(<ident>): A possible path forwards for multiple gencontent pseudos?

  css-pseudo-4css-pseudo-5
  w3c/csswg-drafts#13860 · Filter by author LeaVerou opened on Apr 29, 2026
  18

• [css-pseudo] Possible interoperability issues with white space handling in ::first-letter

  css-pseudo-4
  w3c/csswg-drafts#13766 · Filter by author mrobinson opened on Apr 3, 2026

• [css-ui] Add or reuse pseudo-element for openable-submenu indicator (triangle)

  css-pseudo-4css-ui-4Needs EditsNeeds Testcase (WPT)
  w3c/csswg-drafts#13430 · Filter by author dbaron opened on Feb 2, 2026
  10

• [css-pseudo] Extending the scope of ::placeholder

  css-pseudo-4
  w3c/csswg-drafts#13345 · Filter by author Crissov opened on Jan 14, 2026
  6

• [css-pseudo-4] Allow to add a marker to each line

  css-pseudo-4
  w3c/csswg-drafts#13329 · Filter by author SebastianZ opened on Jan 11, 2026
  6

• [css-pseudo] Allow outline/box-shadow on highlight pseudo-elements

  css-pseudo-4
  w3c/csswg-drafts#13192 · Filter by author nicolo-ribaudo opened on Dec 8, 2025

• [css-pseudo-4] Let ::details-content opened details correctly set expanded

  Commenter Response Pendingcss-pseudo-4
  w3c/csswg-drafts#13096 · Filter by author Snugug opened on Nov 12, 2025
  1

• [css-content-3] content: none does not work as universally as the spec claims it does.

  css-content-3css-position-4css-pseudo-4
  w3c/csswg-drafts#12998 · Filter by author Psychpsyo opened on Oct 21, 2025
  2

• [css-lists][css-pseudo] Allow text decoration properties on ::marker

  css-lists-3css-pseudo-4
  w3c/csswg-drafts#12822 · Filter by author Loirooriol opened on Sep 18, 2025

• [css-pseudo] Spec inconsistency on custom properties on highlight pseudo elements

  css-pseudo-4Needs Edits
  w3c/csswg-drafts#12763 · Filter by author EricSL opened on Sep 10, 2025

• [css-pseudo-4] Using real DOM elements to proxy pseudo-elements

  css-pseudo-4
  w3c/csswg-drafts#12575 · Filter by author noamr opened on Aug 5, 2025
  22

• ::selection, ::target-text, ::highlight, ::spelling-error, ::grammar-error style should propagate across shadow boundaries

  css-pseudo-4editorial
  w3c/csswg-drafts#12497 · Filter by author mantou132 opened on Jul 18, 2025
  4

• [css-pseudo] Geometry methods for CSSPseudoElement

  css-pseudo-4cssom-view-1Needs Design / Proposal
  w3c/csswg-drafts#12373 · Filter by author danielsakhapov opened on Jun 20, 2025
  2

• [css-pseudo-4] Clarify ::file-selector-button is no longer element-backed and tree-abiding

  css-pseudo-4Needs Edits
  w3c/csswg-drafts#12271 · Filter by author cdoublev opened on Jun 4, 2025
  1

• How to handle addEventListener on CSSPseudoElement?

  css-pseudo-4
  w3c/csswg-drafts#12163 · Filter by author danielsakhapov opened on May 5, 2025
  36