[wp-trac] [WordPress Trac] #64814: RTC: REST route for syncing updates returns 404

[WordPress Trac]

#64814: RTC: REST route for syncing updates returns 404
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 Reporter:  mindctrl      |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  Editor        |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by pbiron):

 I've been able to reproduce the problem on a couple of sites that I
 updated from beta2 to beta3, but not able to reproduce on other sites
 updated from beta2 to beta3. I can also confirm that on the sites where
 the problem surfaced, saving `Settings > Writing` (without changing any of
 the settings) solved the problem.

 All sites are using just the WP beta without GB.

 Here's another datapoint: **All** of the sites where the problem surfaced
 use Block-based themes, and **all** of the sites where the problem didn't
 surface use classic/hybrid themes.  Not sure of the significance of that
 different, but thought I'd mention it in case it's helpful.

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Ticket URL: <https://core.trac.wordpress.org/ticket/64814#comment:10>
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