[wp-trac] [WordPress Trac] #35649: Customizer: spinner animated GIF and high CPU usage

[WordPress Trac]

#35649: Customizer: spinner animated GIF and high CPU usage
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 Reporter:  afercia                    |       Owner:  afercia
     Type:  defect (bug)               |      Status:  assigned
 Priority:  normal                     |   Milestone:  4.5
Component:  Customize                  |     Version:
 Severity:  normal                     |  Resolution:
 Keywords:  has-patch has-screenshots  |     Focuses:  ui, performance
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Changes (by afercia):

 * keywords:   => has-patch has-screenshots
 * owner:   => afercia
 * status:  new => assigned


Comment:

 First pass. In the screenshots below, the re-painted area in Chrome before
 and after the patch.
 @celloexpressions should `#customize-container` keep a white background or
 this would be an opportunity to change it to `#f1f1f1` as the standard
 background color?

 [[Image(https://cldup.com/iUslWHbtw1.png)]]

 [[Image(https://cldup.com/jqyOvTINaD.png)]]

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Ticket URL: <https://core.trac.wordpress.org/ticket/35649#comment:1>
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