[wp-trac] [WordPress Trac] #54907: After upgrading to 5.9 I get blank screens when trying to edit or add posts

[WordPress Trac]

#54907: After upgrading to 5.9 I get blank screens when trying to edit or add posts
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 Reporter:  eTurboNews       |       Owner:  (none)
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  Upgrade/Install  |     Version:
 Severity:  normal           |  Resolution:
 Keywords:                   |     Focuses:
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Comment (by pbiron):

 Sorry you're having problems after the update (and welcome to Core Trac).

 When you "changed the theme", did you change to one of the bundled themes
 or some other theme?

 Did you try deactivating **all** plugins?

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Ticket URL: <https://core.trac.wordpress.org/ticket/54907#comment:1>
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