[wp-trac] [WordPress Trac] #61536: Add opacity as an allowed attribute to safecss_filter_attr()

[WordPress Trac]

#61536: Add opacity as an allowed attribute to safecss_filter_attr()
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 Reporter:  sunil25393    |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Formatting    |    Version:
 Severity:  normal        |   Keywords:  has-patch
  Focuses:                |
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 Updated the overlay control to accept any value from 1 to 100 rather than
 multiples of 10. To accomplish this, we introduced an inline opacity style
 to block. However, because the safecss_filter_attr() method does not allow
 this property, it will be erased when inline styles are output using the
 get_block_wrapper_attributes() function, for example.

 This ticket is for tracking the PHP backport for the following Gutenberg
 PR: https://github.com/WordPress/gutenberg/pull/59891

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Ticket URL: <https://core.trac.wordpress.org/ticket/61536>
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