4.19.1 (2026-09-15)

Bug Fixes

• "Passing null to parameter" deprecation in Lexer.php when Core.NormalizeNewlines is false (#490) (67085e6)
• gate chmod on mkdir success, best-effort only (a2de031)
• Improve compatibility with PHP 8.5 (#484) (c93715e), closes #476 #483

4.19.0 (2025-10-17)

Bug Fixes

• add warning for misleading option (#433) (b21a591)
• catastrophic backtracking in Core.AggressivelyFixLt (#440) (418eeb7)
• Deprecated: preg_replace(): Passing null to parameter #3 ($subject) o… (#421) (5d154a2)
• non-substantive typos (#434) (c2bc354)

Features

• Add CSS direction support (#429) (63e631e)
• Add option for safe iframe hosts using array lookup (#423) (b5cbf0c)
• Allow more image widths by default (#430) (00a0748)
• Define option URI.AllowedSymbols (#447) (77ebd08)
• PHP 8.4 support (#441) (ff005f6)
• Support PHP 8.5 versions (#453) (1eb05d9)

4.18.0 (2024-11-01)

Bug Fixes

• Adjust Core.AllowHostnameUnderscore to consider that "_" is defined as Unreserved Characters in RFC 3986 (#406) (d9fbef8)
• Avoid a deprecated error when the attribute name is numeric and DirectLex is used (#412) (f0fbf51)
• checking that node has property name (#399) (9ca5a36)
• Ignore conditional comments (#401) (4828fdf)
• Support PHP 8.4 (#396) (92da247)
• undefined array key warning (#419) (01be377)

Features

• Add allowfullscreen attr for iframe (#411) (70754a2)
• add directive for removing blank nodes (#404) (c9d60c9)
• Add support for CSS aspect-ratio (#408) (93bee73)
• Allow universal CSS values for all properties (#410) (9723267)

4.17.0 (2023-11-17)

Bug Fixes

• CSSTidy ImportantComments not handled properly (#359) (78a9b4d)
• fix CI (#361) (9ec687c)
• Invalid scheme check in Attr.TargetBlank (#363) (0176ef4)
• semantic release (#339) (d82f3d9)
• semantic release (#341) (e55fead), closes #339
• Support for locales using decimal separators other than . (dot) (#372) (43f49ac)

Features

• Add support for all text-decoration properties (#360) (2d775c0)
• Allows commas to be included in tel URI (#389) (ec92490), closes #388

Reverts

• Revert "fix: semantic release (#339)" (#340) (3e83215), closes #339 #340

4.16.0 (2022-09-18)

Features

• add semantic release (#307) (db31243), closes #322 #323 #326 #327 #328 #329 #330 #331 #332 #333 #337 #335 ezyang/htmlpurifier#334 #336 #338