[wp-trac] [WordPress Trac] #64389: Breaking change in 6.9 -> WP Core CSS now forces all links to underline.

WordPress Trac noreply at wordpress.org
Thu Dec 18 14:24:25 UTC 2025


#64389: Breaking change in 6.9 -> WP Core CSS now forces all links to underline.
--------------------------+-----------------------
 Reporter:  mmorris8      |       Owner:  (none)
     Type:  defect (bug)  |      Status:  reopened
 Priority:  normal        |   Milestone:
Component:  Themes        |     Version:  6.9
 Severity:  critical      |  Resolution:
 Keywords:                |     Focuses:  css
--------------------------+-----------------------
Changes (by george9):

 * status:  closed => reopened
 * resolution:  wontfix =>
 * severity:  major => critical


Comment:

 The underline rule itself already existed, but the end result has changed:
 themes that previously relied on normal cascade rules can no longer
 override it without increasing specificity (for example :root a).

 So while there may not be a documented Core change explaining why this
 happens, the behavioral difference is real and reproducible, and it
 affects sites using Global Styles. This is functionally the same problem
 that occurred in 6.6 before it was adjusted.

 Regardless of intent, this is a regression in behavior and needs to be
 fixed, as Core should not force presentational defaults that themes
 previously controlled via normal CSS cascade rules.

-- 
Ticket URL: <https://core.trac.wordpress.org/ticket/64389#comment:5>
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