[wp-trac] [WordPress Trac] #55755: Enabling REST API on custom post type cause featured to be invisible on post, page, custom post type

[WordPress Trac]

#55755: Enabling REST API on custom post type cause featured to be invisible on
post, page, custom post type
--------------------------+-------------------------
 Reporter:  bikram_sth    |       Owner:  (none)
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:
Component:  General       |     Version:  5.9.3
 Severity:  normal        |  Resolution:  worksforme
 Keywords:                |     Focuses:
--------------------------+-------------------------
Changes (by peterwilsoncc):

 * status:  new => closed
 * resolution:   => worksforme
 * severity:  critical => normal
 * milestone:  Awaiting Review =>


Comment:

 This is caused by setting the `rest_base` to `themes`. Both theme and
 themes are [https://codex.wordpress.org/Reserved_Terms reserved terms in
 WordPress].

 To determine if the current theme supports post thumbnails, WordPress
 loads the rest endpoint `http://wp-dev.local/wp-
 json/wp/v2/themes?context=edit&status=active&_locale=user`.

 Setting your CPT's rest endpoint to `themes` causes the endpoint to be
 replaced so the editor is unable to determine thumbnail support.

 I've closed this ticket as `worksforme` as registering a CPT without using
 the reserved term displays the thumbnail panel as expected.

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Ticket URL: <https://core.trac.wordpress.org/ticket/55755#comment:3>
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