[wp-trac] [WordPress Trac] #53863: Gutenberg fails with wp 5.8

[WordPress Trac]

#53863: Gutenberg fails with wp 5.8
--------------------------+-----------------------------
 Reporter:  dogrescuer    |      Owner:  (none)
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Editor        |    Version:  5.8
 Severity:  critical      |   Keywords:  needs-patch
  Focuses:  javascript    |
--------------------------+-----------------------------
 I had to rollback to fix this. The WP 5.8 Gutenberg crashed with this
 info:

 TypeError: Cannot read property '$el' of undefined
     at new m (https://bestredlighttherapy.com/wp-includes/js/dist/media-
 utils.min.js?ver=5e105975fcfe18922cd4f0163466f454:2:3795)
     at Yg (https://bestredlighttherapy.com/wp-includes/js/dist/vendor
 /react-dom.min.js?ver=16.13.1:68:243)
     at rh (https://bestredlighttherapy.com/wp-includes/js/dist/vendor
 /react-dom.min.js?ver=16.13.1:98:274)
     at zj (https://bestredlighttherapy.com/wp-includes/js/dist/vendor
 /react-dom.min.js?ver=16.13.1:228:490)
     at Th (https://bestredlighttherapy.com/wp-includes/js/dist/vendor
 /react-dom.min.js?ver=16.13.1:152:223)
     at tj (https://bestredlighttherapy.com/wp-includes/js/dist/vendor
 /react-dom.min.js?ver=16.13.1:152:152)
     at Te (https://bestredlighttherapy.com/wp-includes/js/dist/vendor
 /react-dom.min.js?ver=16.13.1:146:151)
     at https://bestredlighttherapy.com/wp-includes/js/dist/vendor/react-
 dom.min.js?ver=16.13.1:61:68
     at unstable_runWithPriority (https://bestredlighttherapy.com/wp-
 includes/js/dist/vendor/react.min.js?ver=16.13.1:25:260)
     at Da (https://bestredlighttherapy.com/wp-includes/js/dist/vendor
 /react-dom.min.js?ver=16.13.1:60:280)

 I did turn off all plugins and switched to the default theme. Only rolling
 back the main version allowed me to get into Gutenberg.

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Ticket URL: <https://core.trac.wordpress.org/ticket/53863>
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