[wp-trac] [WordPress Trac] #33299: Improve featured image preview for transparent background images

[WordPress Trac]

#33299: Improve featured image preview for transparent background images
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 Reporter:  laura20                   |       Owner:
     Type:  enhancement               |      Status:  new
 Priority:  normal                    |   Milestone:  4.4
Component:  Post Thumbnails           |     Version:  4.2.4
 Severity:  normal                    |  Resolution:
 Keywords:  good-first-bug has-patch  |     Focuses:  ui
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Comment (by helen):

 Replying to [comment:24 afercia]:

 This is not something I'm concerned about having any fallback for, though
 open to arguments. Not excited about adding a file for an enhancement to
 something that is a fairly narrow case: one color images of either white
 or a particular shade of gray with transparency being viewed in IE 9 or
 below.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33299#comment:25>
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