[wp-trac] [WordPress Trac] #49915: Function registered on `upgrader_process_complete` does not run on first update.

[WordPress Trac]

#49915: Function registered on `upgrader_process_complete` does not run on first
update.
-----------------------------+------------------------------
 Reporter:  apedog           |       Owner:  (none)
     Type:  defect (bug)     |      Status:  closed
 Priority:  normal           |   Milestone:  Awaiting Review
Component:  Upgrade/Install  |     Version:
 Severity:  normal           |  Resolution:  invalid
 Keywords:                   |     Focuses:
-----------------------------+------------------------------
Changes (by apedog):

 * status:  new => closed
 * resolution:   => invalid


Comment:

 After discussion on slack, it's been made clear that this is expected
 behaviour.
 - The {{{upgrader_process_complete}}} is not meant to be used to run
 plugin update routines. Only cleanup/logging/setting transients etc.
 - No code from the updated plugin can be run ''during'' the upgrade
 process. Only the old version of the plugin is available during the
 request.

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Ticket URL: <https://core.trac.wordpress.org/ticket/49915#comment:4>
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