[wp-trac] [WordPress Trac] #51812: Update jQuery step three

[WordPress Trac]

#51812: Update jQuery step three
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 Reporter:  azaozz                               |       Owner:
                                                 |  SergeyBiryukov
     Type:  task (blessed)                       |      Status:  reviewing
 Priority:  normal                               |   Milestone:  5.7
Component:  External Libraries                   |     Version:
 Severity:  normal                               |  Resolution:
 Keywords:  has-patch early needs-testing        |     Focuses:  javascript
  needs-dev-note needs-testing-info              |
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Comment (by Hareesh Pillai):

 While running the QUnit tests, I came across this warning - `jQuery.unique
 is deprecated; use jQuery.uniqueSort`. Upon checking, there's an instance
 of unique() method being used in
 [https://core.trac.wordpress.org/browser/trunk/src/js/_enqueues/wp/customize/widgets.js?rev=50001#L1871
 customize-widgets.js]

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Ticket URL: <https://core.trac.wordpress.org/ticket/51812#comment:36>
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