[wp-trac] [WordPress Trac] #59019: WP 6.3 deleted my additional CSS

[WordPress Trac]

#59019: WP 6.3 deleted my additional CSS
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 Reporter:  petervandoorn    |      Owner:  (none)
     Type:  defect (bug)     |     Status:  new
 Priority:  normal           |  Milestone:  Awaiting Review
Component:  Upgrade/Install  |    Version:  6.3
 Severity:  critical         |   Keywords:
  Focuses:                   |
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 I’m developing a new site and trying out the FSE for the first time. My
 theme is a child of a third-party theme.

 When I updated to WP 6.3 this morning it completely removed all of my CSS
 that I have been adding to the FSE > Styles > Additional CSS panel.

 Luckily I had done a backup just before the update.

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Ticket URL: <https://core.trac.wordpress.org/ticket/59019>
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