[wp-trac] [WordPress Trac] #20507: 3.4 Preview/Customize page "Return to Manage Themes" link doesn't work as expected

[WordPress Trac]

#20507: 3.4 Preview/Customize page "Return to Manage Themes" link doesn't work as
expected
--------------------------+--------------------------
 Reporter:  TomAuger      |       Owner:  koopersmith
     Type:  defect (bug)  |      Status:  reopened
 Priority:  normal        |   Milestone:  3.4
Component:  Appearance    |     Version:  3.4
 Severity:  normal        |  Resolution:
 Keywords:                |
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Comment (by nacin):

 In [20924]:
 {{{
 #!CommitTicketReference repository="" revision="20924"
 Do not spawn cron or trigger update checks when running the customizer.

 Both can slow down the experience.

 The alternate cron will issue a redirect which creates more work for the
 customizer, but not exit immediately, which means shutdown will be delayed
 (see future changeset from koopersmith in #20507 where we check for a
 token
 printed on shutdown to ensure the response came from the customizer).

 The update checks could also cause bad data to be sent. In particular, the
 currently active theme would be incorrect.

 see #20507.
 }}}

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Ticket URL: <http://core.trac.wordpress.org/ticket/20507#comment:32>
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