[wp-trac] [WordPress Trac] #64725: Background block support: render uploaded images as <img> for responsive image support

[WordPress Trac]

#64725: Background block support: render uploaded images as <img> for responsive
image support
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 Reporter:  JosVelasco   |       Owner:  (none)
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Awaiting Review
Component:  Editor       |     Version:  trunk
 Severity:  normal       |  Resolution:
 Keywords:  has-patch    |     Focuses:  javascript, css, tests,
                         |  performance
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Changes (by sanayasir):

 * keywords:  has-patch has-unit-tests needs-testing => has-patch


Comment:

 Tested this patch on WordPress Beta 7 and verified that the implementation
 behaves as expected and aligns with the requirements outlined in the
 ticket.

 Tested scenarios
 Group block with background image using cover and no-repeat
 Group block with background image using contain and no-repeat
 Background images using explicit tiling values: repeat, repeat-x, and
 repeat-y
 Background images with background-attachment: fixed
 Results
 Confirmed that background images using cover or contain without tiling are
 now rendered using a native <img> element instead of a CSS background-
 image.
 Verified that the rendered <img> includes responsive and performance-
 related attributes such as srcset, sizes, loading="lazy", and
 decoding="async".
 Confirmed that no-repeat is treated equivalently to an unset repeat value.
 Verified that explicit tiling values and background-attachment: fixed
 correctly continue using the CSS background-image rendering path.
 Confirmed that position: relative is applied to the wrapper only when
 necessary and does not override any existing position styles.

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Ticket URL: <https://core.trac.wordpress.org/ticket/64725#comment:2>
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