[wp-trac] [WordPress Trac] #31484: Widgets appearing in Customizer preview during a theme preview may not correspond to controls in Widgets panel

[WordPress Trac]

#31484: Widgets appearing in Customizer preview during a theme preview may not
correspond to controls in Widgets panel
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 Reporter:  westonruter   |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  4.1.2
Component:  Customize     |     Version:  4.1
 Severity:  normal        |  Resolution:
 Keywords:  needs-patch   |     Focuses:  javascript
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Comment (by westonruter):

 There is a simple workaround, for which I've written a monkey-patch
 plugin, which simply involves making all `sidebars_widgets` settings
 initially dirty when loading the Customizer for a theme preview.

 The plugin is located here:
 https://gist.github.com/westonruter/c0b94561ec1adac966af

 However, the best solution would be to make sure the WordPress initializes
 the Customizer preview with the proper previewed-theme's sidebars instead
 of using the ones from the currently-active theme. I'm not sure why the
 Customizer Pane is showing the previewed theme's widgets while the
 Customizer preview is retaining the active theme's widgets.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31484#comment:1>
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