Issues

• Allow all possible future size units

  cleanupenhancementfuturerefactor
  Task

  MyIntervals/PHP-CSS-Parser#1643 · Filter by author JakeQZ opened on Oct 4, 2026 · 9.6.0: New features, bug fixes and deprecations

• Support animation-timeline: view(), calc(sibling-index() * 20ms)

  css4enhancement
  Feature

  MyIntervals/PHP-CSS-Parser#1635 · Filter by author felipemarcos opened on Sep 12, 2026
  1

• Harden our GitHub workflows

  Task

  MyIntervals/PHP-CSS-Parser#1628 · Filter by author oliverklee opened on Sep 4, 2026 · 9.6.0: New features, bug fixes and deprecations
  

• Handle strings in at-rules that contain { or ;

  bug
  Bug

  MyIntervals/PHP-CSS-Parser#1625 · Filter by author JakeQZ opened on Aug 27, 2026 · 9.6.0: New features, bug fixes and deprecations

• Improve robustness and performance of regular expressions

  bugenhancementoptimization
  Task

  MyIntervals/PHP-CSS-Parser#1614 · Filter by author JakeQZ opened on Aug 14, 2026 · 10.0.0: Clean up things, rework the API

• Drop support for PHP < 7.4

  Task

  MyIntervals/PHP-CSS-Parser#1603 · Filter by author oliverklee opened on Jul 9, 2026 · 10.0.0: Clean up things, rework the API

• Introduce ObjectModel namespace for elements within CSSOM

  refactor
  Task

  MyIntervals/PHP-CSS-Parser#1545 · Filter by author JakeQZ opened on Feb 23, 2026 · 9.6.0: New features, bug fixes and deprecations

• Drop the deprecated RuleContainer class

  Task

  MyIntervals/PHP-CSS-Parser#1531 · Filter by author oliverklee opened on Feb 17, 2026 · 10.0.0: Clean up things, rework the API

• Drop the deprecated Rule\Rule class alias

  Task

  MyIntervals/PHP-CSS-Parser#1509 · Filter by author oliverklee opened on Feb 12, 2026 · 10.0.0: Clean up things, rework the API

• Drop the deprecared Property\Declaration::get/setPropertyName()

  MyIntervals/PHP-CSS-Parser#1507 · Filter by author oliverklee opened on Feb 12, 2026 · 10.0.0: Clean up things, rework the API

• Drop the deprecated Selector::setSelector() and ::getSelector()

  Task

  MyIntervals/PHP-CSS-Parser#1501 · Filter by author oliverklee opened on Feb 7, 2026 · 10.0.0: Clean up things, rework the API
  2

• Check if getArrayRepresentation() in abstract classes can be removed or made abstract

  MyIntervals/PHP-CSS-Parser#1481 · Filter by author oliverklee opened on Jan 25, 2026 · 9.6.0: New features, bug fixes and deprecations
  1

• Charset should not implement AtRule

  MyIntervals/PHP-CSS-Parser#1469 · Filter by author oliverklee opened on Jan 18, 2026 · 10.0.0: Clean up things, rework the API

• Inconsistent handling of commented CSS rules

  bug
  Bug

  MyIntervals/PHP-CSS-Parser#1445 · Filter by author 8ctopus opened on Dec 25, 2025
  8

• Add helper debugging/rendering function stub for (unit) tests

  enhancement
  MyIntervals/PHP-CSS-Parser#1440 · Filter by author oliverklee opened on Dec 22, 2025 · 9.6.0: New features, bug fixes and deprecations
  3

  

• Support expressions within functions like max

  enhancement
  MyIntervals/PHP-CSS-Parser#1438 · Filter by author JakeQZ opened on Dec 19, 2025

• DeclarationBlock::parse() should not consume more content upon error

  cleanuprefactor
  MyIntervals/PHP-CSS-Parser#1430 · Filter by author JakeQZ opened on Dec 15, 2025 · 10.0.0: Clean up things, rework the API

• Parse selectors into component classes

  enhancement
  Feature

  MyIntervals/PHP-CSS-Parser#1325 · Filter by author JakeQZ opened on Jul 10, 2025 · 10.0.0: Clean up things, rework the API
  3

• Add rebasing guidelines to CONTRIBUTING.md

  developer-specificdocumentation
  Task

  MyIntervals/PHP-CSS-Parser#1215 · Filter by author JakeQZ opened on Mar 25, 2025 · 9.0.0: Drop support for PHP < 7.2 and clean up things
  1

• Minimum version of composer-normalize requires PHP 7.4

  developer-specifichacktoberfest
  Bug

  MyIntervals/PHP-CSS-Parser#1213 · Filter by author JakeQZ opened on Mar 25, 2025 · 9.0.0: Drop support for PHP < 7.2 and clean up things
  2

• Rework logic between CSSList:: parseList() and parseListItem()

  cleanuphacktoberfest
  Task

  MyIntervals/PHP-CSS-Parser#1211 · Filter by author JakeQZ opened on Mar 23, 2025 · 9.0.0: Drop support for PHP < 7.2 and clean up things

• Add replacement getters for some properties used in ::atRuleArgs()

  cleanupenhancementhacktoberfestto-backport
  MyIntervals/PHP-CSS-Parser#1205 · Filter by author oliverklee opened on Mar 20, 2025 · 9.0.0: Drop support for PHP < 7.2 and clean up things

• Clean up DeclarationBlock::setSelectors() & friends

  cleanuphacktoberfest
  MyIntervals/PHP-CSS-Parser#1185 · Filter by author oliverklee opened on Mar 17, 2025 · 9.0.0: Drop support for PHP < 7.2 and clean up things

• Use null for Import::$mediaQuery to indicate absence

  cleanuphacktoberfest
  Task

  MyIntervals/PHP-CSS-Parser#1177 · Filter by author JakeQZ opened on Mar 16, 2025 · 9.0.0: Drop support for PHP < 7.2 and clean up things
  1

• Change |false as a fallback type to |null

  cleanuphacktoberfest
  MyIntervals/PHP-CSS-Parser#1176 · Filter by author oliverklee opened on Mar 16, 2025 · 9.0.0: Drop support for PHP < 7.2 and clean up things