[wp-trac] [WordPress Trac] #63448: Image quality significantly degrades for resized PNGs with transparency in WordPress 6.8.1

[WordPress Trac]

#63448: Image quality significantly degrades for resized PNGs with transparency in
WordPress 6.8.1
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 Reporter:  elvismdev                            |       Owner:
                                                 |  adamsilverstein
     Type:  defect (bug)                         |      Status:  assigned
 Priority:  normal                               |   Milestone:  6.8.2
Component:  Media                                |     Version:  6.8
 Severity:  critical                             |  Resolution:
 Keywords:  has-patch has-test-info dev-         |     Focuses:
  feedback has-unit-tests                        |
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Changes (by SirLouen):

 * keywords:  has-patch has-test-info dev-feedback needs-unit-tests => has-
     patch has-test-info dev-feedback has-unit-tests


Comment:

 Replying to [comment:42 adamsilverstein]:
 > @elvismdev thanks for the detailed bug report, sample images and PR! I'm
 just catching up here, however it sounds like you all have tracked down
 the source of the bug and come up with a reasonable, reliable solution.
 >
 > It would be good to include a new unit test with an image that currently
 gets handled incorrectly (such as the sample image on the ticket). After
 the patch, the output images should be full color.

 PR updated with Unit Tests.

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Ticket URL: <https://core.trac.wordpress.org/ticket/63448#comment:44>
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