[wp-trac] [WordPress Trac] #55241: Disabling "settings.color.duotone" within theme.json causes fatal error undefined variable $filter

[WordPress Trac]

#55241: Disabling "settings.color.duotone" within theme.json causes fatal error
undefined variable $filter
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 Reporter:  aliakseyenkaihar  |       Owner:  (none)
     Type:  defect (bug)      |      Status:  new
 Priority:  normal            |   Milestone:  5.9.2
Component:  Themes            |     Version:  5.9.1
 Severity:  normal            |  Resolution:
 Keywords:                    |     Focuses:
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Changes (by audrasjb):

 * milestone:  Awaiting Review => 5.9.2


Comment:

 Hello @etilley welcome to WordPress Core Trac and thank you for reporting
 this issue,

 Marking for 5.9.2 consideration.

 Ping @mamaduka for information. For the moment I don't know if we need to
 fix this on Core or Gutenberg side (or both).

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Ticket URL: <https://core.trac.wordpress.org/ticket/55241#comment:1>
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