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Ticket Summary Owner Workflow Priority Severity Milestone Type Modified Comments
#54488 wp_filter_nohtml_kses does not remove HTML comments audrasjb dev-feedback normal normal Future Release defect (bug) 10/12/2023 32
#31992 Unicode Email Addresses has-patch normal normal Awaiting Review defect (bug) 07/08/2025 28
#60979 safecss_filter_attr() should support query strings with "&" as used by Gutenberg has-patch normal normal Future Release defect (bug) 02/10/2025 28
#14050 shortcode_unautop() should also remove the <br /> added after shortcodes aaroncampbell normal normal defect (bug) 06/04/2019 27
#29717 wp_check_invalid_utf8 - pcre tricks and failsafes, +mb_convert_encoding, iconv fix, performance pbearne dev-feedback normal normal Awaiting Review enhancement 05/15/2024 27
#58902 add_query_arg() should esc_url_raw() REQUEST_URI dev-feedback normal normal Future Release defect (bug) 06/06/2025 25
#34722 Open P Tag in shortcode related to h tag dev-feedback normal normal Awaiting Review defect (bug) 07/20/2017 22
#17923 add_query_arg() should encode values has-patch normal normal defect (bug) 08/20/2019 22
#47594 Add nbsp symbol codes to convert throught sanitize_title SergeyBiryukov* has-patch normal minor Future Release enhancement 10/28/2021 22
#25856 debug of wpautop function with Unit Tests normal normal enhancement 03/20/2024 20
#24225 Improve regular expressions when matching attributes miqrogroove needs-unit-tests normal normal enhancement 06/04/2019 19
#6297 Unbalanced tags across more and nextpage tags normal normal Future Release defect (bug) 03/15/2019 18
#47164 map_deep in formatting.php do not handle null-byte dev-feedback normal critical Future Release defect (bug) 02/23/2023 18
#10823 Bad handling of ampersand in post titles has-patch normal normal defect (bug) 06/04/2019 17
#55257 map_deep() function incompatibility with incomplete objects in PHP 8.0+ dev-feedback normal major Future Release defect (bug) 08/08/2023 17
#58921 wp_kses_allowed_html doesn't allow to add esi:include has-patch normal normal Awaiting Review defect (bug) 06/22/2024 17
#19100 Introduce esc_color() dev-feedback normal normal Future Release enhancement 03/04/2020 17
#32787 make_clickable filter johnjamesjacoby has-patch normal normal Future Release enhancement 01/28/2025 17
#31695 Enclosing oEmbed using `embed_oembed_html` is generating invalid HTML needs-unit-tests normal normal defect (bug) 06/04/2019 16
#50855 sanitize_file_name function not working as expected if there is '%20' in filename audrasjb* dev-feedback normal normal Future Release defect (bug) 10/07/2022 16
#37698 wp_kses_split global variable pollution reporter-feedback normal normal Future Release defect (bug) 06/28/2025 16
#33924 sanitize_html_class valid characters dev-feedback normal normal Future Release defect (bug) 09/20/2022 15
#60842 PHPunit tests for wp_check_invalid_utf8 has-patch normal normal Awaiting Review enhancement 02/12/2025 14
#15006 Closing tag for empty <p> tag is removed normal minor defect (bug) 06/04/2019 13
#25021 Improve sanitize_title_with_dashes % removal dev-feedback normal normal defect (bug) 07/01/2025 13
#44793 remove_accents() doesnt escape all versions of "i" SergeyBiryukov dev-feedback normal normal Future Release defect (bug) 09/22/2019 13
#60347 wp_kses breaking text fragments links has-patch normal normal Awaiting Review defect (bug) 07/09/2025 13
#40676 wpautop adds opening & closing p tags around the opening a tag and around the closing a tag when the link contains certain flow content elements like div, h1, h2... needs-unit-tests normal normal Awaiting Review defect (bug) 07/21/2017 13
#52886 Update esc_url to allow for specifying an https:// as default protocol has-patch normal normal Future Release enhancement 07/10/2025 13
#17433 localhost is not accepted as email domain has-patch normal normal Future Release defect (bug) 03/20/2018 12
#24157 safecss_filter_attr doesn't allow rgb() in inline styles has-patch normal normal Future Release defect (bug) 06/09/2024 12
#15918 wpautop() breaks inline tags on the same line as block tags dunno normal normal defect (bug) 06/04/2019 12
#10269 wysiwyg bug with shortcodes miqrogroove low normal defect (bug) 06/04/2019 12
#63379 Fix for deprecated rtrim passing null to parameter dev-feedback normal normal Awaiting Review defect (bug) 06/07/2025 11
#49484 Add option 'OR' to wp_sprintf_l() SergeyBiryukov has-patch normal normal Future Release feature request 10/20/2020 11
#10033 wpautop problems with html comments and object tags needs-unit-tests normal minor defect (bug) 06/04/2019 10
#55962 Upgrade `sanitize_hex_color()` to CSS Color Level 4 pbearne dev-feedback normal normal Future Release enhancement 01/17/2024 10
#39153 Bug in wp_html_split with unclosed PHP tag (or HTML tag <) needs-unit-tests normal normal Awaiting Review defect (bug) 03/02/2018 9
#21537 Email address sanitisation mangles valid email addresses dev-feedback normal normal defect (bug) 10/23/2022 9
#32193 Large (custom) resolution emoticons are being shrunk to 12x12 normal normal defect (bug) 06/04/2019 9
#33629 Post excerpts have become WAY too long after updating to WP 4.3, please fix. has-patch normal normal defect (bug) 06/04/2019 9
#26674 The get_tag_regex() function is a too greedy when searching for a closing tag. has-patch normal normal defect (bug) 06/04/2019 9
#23050 make_clickable incorrectly formats anchors with URL's and spaces in them in comments normal normal defect (bug) 06/04/2019 9
#33466 wpautop breaks multi-line textarea content miqrogroove normal normal defect (bug) 06/04/2019 9
#27733 wpautop(): \s in regex destroys some UTF-8 characters needs-unit-tests normal major defect (bug) 01/18/2022 9
#61268 PHP Deprecated: ltrim() in formatting esc_url. normal normal Awaiting Review defect (bug) 07/01/2024 8
#52517 Shortcodes inside AMP tags do not work has-patch normal normal Awaiting Review defect (bug) 06/02/2023 8
#29882 wptexturize: quotes inside quotes curling incorrectly has-patch normal normal defect (bug) 06/04/2019 8
#28607 Make wpautop()'s $allblocks variable filterable close normal normal Awaiting Review enhancement 06/05/2025 8
#57381 Filter wptexturize brokes tailwindcss brackets reporter-feedback normal normal Awaiting Review defect (bug) 05/28/2024 7
#57021 Sanitize should accept broader types close normal normal Awaiting Review defect (bug) 05/08/2024 7
#24846 Usage of a shortcode disables wpautop filter normal normal defect (bug) 06/04/2019 7
#27270 Validation for leading/trailing periods, or consecutive periods in email addresses is only done on the domain section has-patch normal normal defect (bug) 06/04/2019 7
#20368 htmlspecialchars() returns empty string for non-UTF-8 input in PHP 5.4 needs-unit-tests normal major defect (bug) 06/04/2019 7
#24487 is_email() does not recognize IDN domains has-patch normal minor Future Release defect (bug) 04/28/2021 7
#63426 wptexturize breaks markup dev-feedback normal normal Awaiting Review defect (bug) 05/15/2025 7
#43010 Attribute Name Escape needs-unit-tests normal normal Awaiting Review enhancement 01/18/2022 7
#43147 Introduce `esc_html_comment` and translation related functions dev-feedback normal normal Awaiting Review enhancement 01/16/2019 7
#61501 KSES Allow more custom data attributes to align with browsers has-patch normal normal 6.9 enhancement 02/27/2025 7
#48261 "noopener noreferrer" mis-parses links with "rel=" parameters has-patch normal normal Awaiting Review defect (bug) 10/09/2019 6
#36775 Shortcode stripping on frontend normal normal defect (bug) 06/04/2019 6
#63149 safecss_filter_attr does not support base64 SVG image in background-image. dev-feedback normal normal Awaiting Review defect (bug) 03/23/2025 6
#18330 Add a Class functionality to wpautop() has-patch normal normal enhancement 07/25/2023 6
#63046 Add background-clip to the safe_style_css filter has-patch normal normal Awaiting Review enhancement 03/05/2025 6
#41422 Need replace_filter() function for improved Just In Time filter adjusment normal normal Awaiting Review enhancement 08/03/2017 6
#46188 esc_html does not have support for multiline output. esc_br_html or line-breaking parameter for esc_html is missing has-patch normal normal Awaiting Review enhancement 02/27/2025 6
#56531 Aiming to “kill” entities, `sanitize_title_with_dashes()` happens to eat content normal major Awaiting Review defect (bug) 09/25/2022 5
#41711 Remove hAtom from core dev-feedback normal normal Awaiting Review defect (bug) 08/29/2017 5
#25108 is_email() function validates email with domain that just has 1 character after dot has-patch normal normal defect (bug) 06/04/2019 5
#23922 make_clickable() breaks when colon in hash normal normal defect (bug) 06/04/2019 5
#30597 wp_filter_post_kses mangles URLs with colons in them needs-unit-tests normal normal defect (bug) 06/04/2019 5
#46886 wp_targeted_link_rel adds the rel attribute when the link has data-target="" normal normal Awaiting Review defect (bug) 04/13/2019 5
#11678 wpautop() fails on uppercase closing tags dev-feedback normal normal defect (bug) 06/04/2019 5
#29913 wptexturize should handle broken HTML consistently needs-unit-tests normal minor defect (bug) 06/04/2019 5
#30644 "wpautop" Enhancements dev-feedback normal normal enhancement 08/11/2020 5
#40933 Improvements for get_file_data() function has-patch normal normal Awaiting Review enhancement 07/18/2017 5
#57909 It's not logical that the "Read more"-button disappears when you create a manual excerpt close normal normal Awaiting Review feature request 03/14/2023 5
#43810 Apostrophe issue normal normal Awaiting Review defect (bug) 05/12/2025 4
#56709 Encountered a problem that no one has ever met Please help me dev-feedback normal normal Awaiting Review defect (bug) 08/08/2023 4
#59056 LOST Formatting/Settings when Live Site is copied to Staging or Cloned normal normal Awaiting Review defect (bug) 08/21/2023 4
#16495 Make iso8601_to_datetime a bit more compliant normal normal defect (bug) 06/04/2019 4
#29956 Paragraphs within list items disappear in the editor when switching from text to visual and back needs-unit-tests normal normal defect (bug) 06/04/2019 4
#58406 Post/Page Content Renders Empty normal normal Awaiting Review defect (bug) 09/26/2023 4
#37077 Replacing one variable handler for another to ensure proper conditional check occurs 100%. has-patch normal trivial defect (bug) 06/04/2019 4
#30495 Unicode character U+000B is not removed by sanitize_file_name has-patch normal normal Awaiting Review defect (bug) 08/27/2018 4
#32729 WP sanitize + (plus) and other mathematic symbols as nothing instead of dash separator normal normal defect (bug) 06/04/2019 4
#34407 esc_url() cannot handle a relative URL containing a : character (IPv6) normal normal defect (bug) 06/04/2019 4
#23308 make_clickable problem with multiple "Punctuation URL character" dev-feedback normal normal defect (bug) 06/04/2019 4
#17039 the_excerpt() - <!--more--> handling normal normal defect (bug) 06/04/2019 4
#61246 wp_kses makes HTML comment HTML uncommented has-patch normal normal Awaiting Review defect (bug) 09/03/2024 4
#62785 wp_kses_no_null() should be modified to handle $content having a null value has-patch normal normal Awaiting Review defect (bug) 03/16/2025 4
#38656 wpautop incorrectly handling paragraphs within block elements needs-unit-tests normal normal Future Release defect (bug) 03/26/2019 4
#43785 wptexturize fails to skip JavaScript if code contains < needs-unit-tests normal normal Future Release defect (bug) 07/10/2024 4
#34592 wptexturize interprets apostrophe at end of word as closing single quote normal normal defect (bug) 06/04/2019 4
#52444 Add support for Telegram Messenger Protocol close normal normal Awaiting Review enhancement 02/05/2021 4
#60300 PHPunit Test for wp_staticize_emoji_for_email has-patch normal normal Future Release enhancement 02/12/2025 4
#60301 PHPunit test for print_emoji_detection_script has-patch normal normal Awaiting Review enhancement 02/12/2025 4
#39636 Smilies not converted when directly followed by punctuation marks dev-feedback normal normal Future Release enhancement 04/11/2022 4
#33204 kses $allowedposttags should support microdata normal normal Awaiting Review enhancement 11/15/2018 4
#51040 How about having a native BR to Newline method, i.e. br2nl dev-feedback normal normal Awaiting Review feature request 12/14/2023 4
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