[wp-trac] [WordPress Trac] #55491: Replace unload from heartbeat js

[WordPress Trac]

#55491: Replace unload from heartbeat js
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 Reporter:  shawfactor      |       Owner:  (none)
     Type:  enhancement     |      Status:  new
 Priority:  normal          |   Milestone:  Future Release
Component:  Administration  |     Version:
 Severity:  normal          |  Resolution:
 Keywords:                  |     Focuses:  javascript, performance
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Comment (by swissspidy):

 The media modal and some TinyMCE code also seem to be affected by this.
 Some holistic bfcache testing might be worthwhile.

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Ticket URL: <https://core.trac.wordpress.org/ticket/55491#comment:5>
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