[wp-trac] [WordPress Trac] #43697: Add theme update counter in admin theme menu item

[WordPress Trac]

#43697: Add theme update counter in admin theme menu item
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 Reporter:  mukesh27                             |       Owner:
                                                 |  SergeyBiryukov
     Type:  enhancement                          |      Status:  reviewing
 Priority:  normal                               |   Milestone:  5.8
Component:  Themes                               |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch has-screenshots dev-       |     Focuses:  ui,
  feedback needs-testing has-testing-info        |  administration
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Comment (by francina):

 Tested

 - MacOS 11.3.1
 - Safari 14.1
 - WordPress 5.8-alpha-50427-src

 1. Rolled back GeneratePress free and Twenty Twenty-one to previous
 versions
 2. Applied the patch
 3. The notification now appears on the Appearance menu
 4. The number of updates matches in:
 - Dashboard > Updates
 - Appearance
 - Horizontal bar
 Updated the themes
 5. The notification disappears once I update the themes

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Ticket URL: <https://core.trac.wordpress.org/ticket/43697#comment:14>
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