[wp-trac] [WordPress Trac] #40010: Regression for #36749. Uploading an image into site_icon breaks customizer

[WordPress Trac]

#40010: Regression for #36749. Uploading an image into site_icon breaks customizer
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 Reporter:  aussieguy123  |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Customize     |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by westonruter):

 @aussieguy123 I think [attachment:40010.1.diff] is a better approach for
 fixing the symptom you're experiencing. Nevertheless, I am unsure as to
 why the `full` size would be undefined. Since this has only been reported
 in the context of WordPress.com I'd suggest looping in a VIP code wrangler
 to identify the root cause.

 Can you try selectively activating Jetpack modules to identify which
 module specifically is causing the problem when the plugin is active? I
 created a Jetpack issue for you and I suggest you follow up there to
 identify the root cause with the Jetpack team:
 https://github.com/Automattic/jetpack/issues/6683

 Once the root cause is identified, either a fix for Jetpack will ensue and
 we can close this ticket, or we'll confirm the need for committing a patch
 for this to core.

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Ticket URL: <https://core.trac.wordpress.org/ticket/40010#comment:12>
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