[wp-trac] [WordPress Trac] #61751: Custom post type editor working

[WordPress Trac]

#61751: Custom post type editor working
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 Reporter:  karan4word                  |      Owner:  (none)
     Type:  defect (bug)                |     Status:  new
 Priority:  normal                      |  Milestone:  Awaiting Review
Component:  Editor                      |    Version:  6.6.1
 Severity:  blocker                     |   Keywords:  needs-testing
  Focuses:  javascript, administration  |
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 After updating to the latest WordPress version 6.6.1
 Its gives error :

  TypeError: n?.icon?.startsWith is not a function
     at https://domainname.gov.uk/wp-
 includes/js/dist/editor.min.js?ver=8607251058f984a77c8f:7:56973
     at r (https://domainname.gov.uk/wp-
 includes/js/dist/data.min.js?ver=7c62e39de0308c73d50c:2:9528)
     at Proxy.r (https://domainname.gov.uk/wp-
 includes/js/dist/data.min.js?ver=7c62e39de0308c73d50c:2:16845)
     at https://domainname.gov.uk/wp-
 includes/js/dist/editor.min.js?ver=8607251058f984a77c8f:7:79624
     at https://domainname.gov.uk/wp-
 includes/js/dist/data.min.js?ver=7c62e39de0308c73d50c:9:2045
     at __unstableMarkListeningStores (https://domainname.gov.uk/wp-
 includes/js/dist/data.min.js?ver=7c62e39de0308c73d50c:2:22094)
     at Object.__unstableMarkListeningStores (https://domainname.gov.uk/wp-
 includes/js/dist/data.min.js?ver=7c62e39de0308c73d50c:2:22352)
     at p (https://domainname.gov.uk/wp-
 includes/js/dist/data.min.js?ver=7c62e39de0308c73d50c:9:2010)
     at https://domainname.gov.uk/wp-
 includes/js/dist/data.min.js?ver=7c62e39de0308c73d50c:9:2612
     at Qe (https://domainname.gov.uk/wp-
 includes/js/dist/data.min.js?ver=7c62e39de0308c73d50c:9:2824)

 To fix it we have rolled back to WordPress 5.5 version.

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Ticket URL: <https://core.trac.wordpress.org/ticket/61751>
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