[wp-trac] [WordPress Trac] #55053: Large theme and plugin metaboxes are overlaid over the backend block editor when switching preview modes

[WordPress Trac]

#55053: Large theme and plugin metaboxes are overlaid over the backend block editor
when switching preview modes
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 Reporter:  quantum_leap  |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  5.9.1
Component:  General       |     Version:  5.9
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by amboutwe):

 I reproduced the issue in a new local install with no plugins and the
 Twenty Twenty-One (2021) theme. The behavior does not happen in WP 5.8.2,
 so it's a regression. It also happens with the new Twenty Twenty-Two
 theme.
 ​
 ​Screencasts using 2021 theme:
 ​WP 5.8.2
 https://drive.google.com/file/d/1TKvN46Hn8BfU67x2iA6E6mumg9wBvf1w/view
 WP 5.9
 ​https://drive.google.com/file/d/1H3vNznRxFkSh5TsdVjuSLXf9kLYIbye_/view

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Ticket URL: <https://core.trac.wordpress.org/ticket/55053#comment:5>
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