[wp-trac] [WordPress Trac] #27603: fields added with action 'in_widget_form' disappear after update in customizer

[WordPress Trac]

#27603: fields added with action 'in_widget_form' disappear after update in
customizer
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 Reporter:  Chouby        |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Widgets       |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by westonruter):

 For comparison, the Jetpack Widget Visibility module uses the
 `in_widget_form` to inject new fields, but they are not lost upon updating
 the widget.

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Ticket URL: <https://core.trac.wordpress.org/ticket/27603#comment:2>
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