[wp-trac] [WordPress Trac] #50905: Bug of both classic editor plugin and Featured image after update to 5.5

[WordPress Trac]

#50905: Bug of both classic editor plugin and Featured image after update to 5.5
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 Reporter:  christelleneant  |       Owner:  (none)
     Type:  defect (bug)     |      Status:  new
 Priority:  normal           |   Milestone:  5.5.1
Component:  Editor           |     Version:  5.5
 Severity:  critical         |  Resolution:
 Keywords:                   |     Focuses:
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Comment (by iCaleb):

 It’s quite likely the conflicts exist with other plugins that are
 extending the classic editor.

 Installing this has a high chance of returning things to functional, so I
 would recommend giving it a try: https://wordpress.org/plugins/enable-
 jquery-migrate-helper/

 More info: https://make.wordpress.org/core/2020/06/29/updating-jquery-
 version-shipped-with-wordpress/

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Ticket URL: <https://core.trac.wordpress.org/ticket/50905#comment:4>
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