[wp-trac] [WordPress Trac] #64976: Admin Style: Plugin links change styles on updates on 7.0

[WordPress Trac]

#64976: Admin Style: Plugin links change styles on updates on 7.0
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 Reporter:  antonynz                                |       Owner:  (none)
     Type:  defect (bug)                            |      Status:  new
 Priority:  normal                                  |   Milestone:  7.0
Component:  Administration                          |     Version:  trunk
 Severity:  minor                                   |  Resolution:
 Keywords:  admin-reskin has-patch has-screenshots  |     Focuses:
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Changes (by vgnavada):

 * keywords:  admin-reskin has-patch => admin-reskin has-patch has-
               screenshots


Comment:

 == Test Report
 === Description
 This report validates whether the indicated patch works as expected by
 checking the styling of plugin action links (specifically underline
 behavior) after updating a plugin.

 Patch tested: https://playground.wordpress.net/wordpress.html?pr=11390

 === Environment
 - WordPress: 7.1-alpha-20260331.074508 (patched)
 - WordPress (baseline): 7.0-RC2-62162 (unpatched)
 - PHP: 8.3.30
 - Server: PHP.wasm (WordPress Playground)
 - Database: WP_SQLite_Driver (Server: 8.0.38 / Client: 3.51.0)
 - Browser: Chrome 146.0.0.0
 - OS: macOS
 - Theme: Twenty Twenty-Five 1.4
 - MU Plugins: None activated
 - Plugins:
   * Hello Dolly (tested by downgrading to an older version and triggering
 update)

 === Actual Results
 1. In the unpatched version (7.0-RC2-62162):
    - After updating the Hello Dolly plugin, the "Deactivate" action link
 displayed an unexpected underline styling.
    - The underline appeared inconsistent with standard admin UI behavior.

 2. In the patched version (7.1-alpha with PR applied):
    - After performing the same steps, the "Deactivate" link no longer
 shows the underline.
    - Styling appears consistent with expected admin UI behavior.

 ✅ Issue resolved with patch.

 === Additional Notes
 - Issue reproduced by downgrading Hello Dolly to an older version and
 triggering an update.
 - Comparison was done between Playground baseline and PR environment to
 ensure identical steps.
 - The fix improves consistency in plugin action link styling after
 updates.

 === Supplemental Artifacts
 Before: https://prnt.sc/_UNbLEgQSatR
 After: https://prnt.sc/SXwDu-QlxWRY

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Ticket URL: <https://core.trac.wordpress.org/ticket/64976#comment:6>
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