[wp-trac] [WordPress Trac] #31793: Theme Switcher: Lazy load theme screenshots

[WordPress Trac]

#31793: Theme Switcher: Lazy load theme screenshots
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 Reporter:  ocean90       |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  high          |  Milestone:  4.2
Component:  Customize     |    Version:  trunk
 Severity:  normal        |   Keywords:  needs-patch
  Focuses:  javascript    |
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 Currently all theme screenshots are loaded, although the section is hidden
 at first. That needs to be improved.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31793>
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