[wp-trac] [WordPress Trac] #34350: Update Backbone to 1.2.3

[WordPress Trac]

#34350: Update Backbone to 1.2.3
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 Reporter:  caseypatrickdriscoll  |       Owner:  adamsilverstein
     Type:  enhancement           |      Status:  assigned
 Priority:  normal                |   Milestone:  Future Release
Component:  External Libraries    |     Version:  4.4
 Severity:  normal                |  Resolution:
 Keywords:                        |     Focuses:  javascript
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Comment (by adamsilverstein):

 > Looking through [http://backbonejs.org/#changelog Backbone 1.1.2-1.2.3]
 and [http://underscorejs.org/#changelog Underscore 1.6.0-1.8.3
 changelogs]. Nothing jumps off the page but somewhere there's at least one
 breaking change.

 Ugh! Thanks for testing; it would be great to get libraries upgraded - I
 will spend some time trying to determine what is going wrong: I can start
 with the revisions slider I know well, maybe that will reveal something
 helpful for fixing media.

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Ticket URL: <https://core.trac.wordpress.org/ticket/34350#comment:8>
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