[wp-trac] [WordPress Trac] #55491: Replace `unload` event handlers from core

[WordPress Trac]

#55491: Replace `unload` event handlers from core
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 Reporter:  shawfactor      |       Owner:  westonruter
     Type:  enhancement     |      Status:  accepted
 Priority:  normal          |   Milestone:  Future Release
Component:  Administration  |     Version:
 Severity:  normal          |  Resolution:
 Keywords:  has-patch       |     Focuses:  javascript, performance
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Changes (by westonruter):

 * keywords:  good-first-bug has-patch => has-patch
 * milestone:  6.4 => Future Release


Comment:

 Punting to 6.5 because at present there is no performance benefit to doing
 this without [https://core.trac.wordpress.org/ticket/21938#comment:47
 revisiting] the introduction of `Cache-Control: no-store` from #21938.

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Ticket URL: <https://core.trac.wordpress.org/ticket/55491#comment:22>
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