[wp-trac] [WordPress Trac] #31501: Customizer Save race condition when attempting to publish too soon after updating widget form fields with multiple edits

[WordPress Trac]

#31501: Customizer Save race condition when attempting to publish too soon after
updating widget form fields with multiple edits
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 Reporter:  westonruter   |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  4.1.2
Component:  Customize     |    Version:  3.9
 Severity:  normal        |   Keywords:
  Focuses:  javascript    |
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 On a slow connection or if a widget update callback takes any amount of
 processing time complete, multiple edits to one or more form fields will
 have multiple simultaneous `update_widget` Ajax requests open at a time.
 The last one to return would have the winning instance data to supply for
 the widget form: a race condition. Before an update widget request is
 kicked off, any previous request should be aborted so that only the last
 user-submitted data is used in the form instance.

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Ticket URL: <https://core.trac.wordpress.org/ticket/31501>
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