[wp-trac] [WordPress Trac] #65321: Global --wp--style--border--color Variable Applies Unwanted border-style: solid to Cover Block Background Span

[WordPress Trac]

#65321: Global --wp--style--border--color Variable Applies Unwanted border-style:
solid to Cover Block Background Span
---------------------------+------------------------------
 Reporter:  vijaysinh9094  |       Owner:  (none)
     Type:  defect (bug)   |      Status:  new
 Priority:  normal         |   Milestone:  Awaiting Review
Component:  General        |     Version:  7.0
 Severity:  major          |  Resolution:
 Keywords:  needs-patch    |     Focuses:  ui, css
---------------------------+------------------------------

Comment (by kunalpareek):

 I am investigating this bug and setting up a local WordPress 7.0
 environment to reproduce and trace the exact source of the border-style:
 solid declaration on the Cover block background span.
 My current understanding: when a global border color is defined in
 theme.json or global styles, the CSS output pipeline may be emitting
 border-style as a companion declaration even without an explicit border
 style being set by the user. I am tracing this through class-wp-theme-
 json.php, block-supports/border.php, and the style engine to identify the
 exact insertion point.
 Will follow up with a patch shortly.

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Ticket URL: <https://core.trac.wordpress.org/ticket/65321#comment:1>
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