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

Needs Testcase (WPT)

#13430

· dbaron opened

on Feb 2, 2026

[css-pseudo-4] Preventing User Dictionary Leaks via ::spelling-error and ::grammar-error Performance Impacts

w3c/csswg-drafts

#13399

· arichiv opened

on Jan 26, 2026

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

#13345

· Crissov opened

on Jan 14, 2026

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

#13329

· SebastianZ opened

on Jan 11, 2026

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

#13192

· nicolo-ribaudo opened

on Dec 8, 2025

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

#12998

· Psychpsyo opened

on Oct 21, 2025

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

#12822

· Loirooriol opened

on Sep 18, 2025

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

#12763

· EricSL opened

on Sep 10, 2025

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

#12575

· noamr opened

on Aug 5, 2025

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

#12497

· mantou132 opened

on Jul 18, 2025

[css-pseudo] Geometry methods for CSSPseudoElement

#12373

· danielsakhapov opened

on Jun 20, 2025

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

#12271

· cdoublev opened

on Jun 4, 2025