[wp-trac] [WordPress Trac] #38916: REST API: Can't set existing post format if theme does not support it

[WordPress Trac]

#38916: REST API: Can't set existing post format if theme does not support it
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 Reporter:  iseulde       |       Owner:  joehoyle
     Type:  defect (bug)  |      Status:  closed
 Priority:  normal        |   Milestone:  4.7
Component:  REST API      |     Version:  trunk
 Severity:  normal        |  Resolution:  fixed
 Keywords:                |     Focuses:
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Comment (by Drivingralle):

 I think the behavior to just allow the post formats of the current theme
 is bad for a long term use of user data.

 The current theme maybe doesn't support the format "aside" but the theme
 used two month later does. [[BR]]
 If a user publishes the same content using a client via REST API suddenly
 gets different results. Because the newer posts suddenly have the format
 "aside" and the older once are "standard".

 If we always allow to set the default post formats a client can write the
 full set of information into the post. If a theme leverages the data or
 not.[[BR]]
 This way we make it pain-free to switch themes, something we should aim
 for.

 We also allow to post comments into the API even if the theme doesn't
 show/support them.

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Ticket URL: <https://core.trac.wordpress.org/ticket/38916#comment:12>
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