[wp-trac] [WordPress Trac] #28580: Speed up customizer by lazy-loading controls and settings as needed

[WordPress Trac]

#28580: Speed up customizer by lazy-loading controls and settings as needed
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 Reporter:  westonruter  |       Owner:
     Type:  enhancement  |      Status:  new
 Priority:  normal       |   Milestone:  Future Release
Component:  Customize    |     Version:  3.4
 Severity:  normal       |  Resolution:
 Keywords:  needs-patch  |     Focuses:  javascript
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Comment (by westonruter):

 If the specific performance problem is that the preview is taking long and
 longer to refresh as new settings are added, then an easy way to speed up
 performance would be to just keep track of each setting's dirty state, and
 only include settings in the preview `POST` request if they get mutated.

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Ticket URL: <https://core.trac.wordpress.org/ticket/28580#comment:1>
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