[wp-trac] [WordPress Trac] #35789: Theme screenshots flicker on initial hover with fresh cache in Firefox.

WordPress Trac noreply at wordpress.org
Tue Feb 9 19:33:05 UTC 2016


#35789: Theme screenshots flicker on initial hover with fresh cache in Firefox.
--------------------------+-----------------------------
 Reporter:  JoeFusco      |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  General       |    Version:  trunk
 Severity:  normal        |   Keywords:
  Focuses:  ui            |
--------------------------+-----------------------------
 With a freshly cleared cache, theme screenshot images appear to
 jump/flicker/flash on the initial hover. This behavior is not intended and
 can be easily solved by using the `will-change` property to force hardware
 acceleration which fixes the initial paint. See:
 https://developer.mozilla.org/en-US/docs/Web/CSS/will-change

 Due to how fast the flicker is, you will only see '''twentyfifteen''' and
 '''twentyfourteen''' theme screenshots flicker in the following screencast
 although all 6 screenshots flickered initially.

 screencast: http://quick.as/9yj2sooqn

 Steps to reproduce:

 1. Open latest Firefox
 2. Go to src.wordpress-develop.dev/wp-admin/themes.php
 3. Refresh the page and bypass the browser's cache. (Mac `cmd` + `shift` +
 `R`)
 4. Hover theme screenshots.

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Ticket URL: <https://core.trac.wordpress.org/ticket/35789>
WordPress Trac <https://core.trac.wordpress.org/>
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