[wp-trac] [WordPress Trac] #58739: Return original autosave after saving with unchanged data

[WordPress Trac]

#58739: Return original autosave after saving with unchanged data
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 Reporter:  adamsilverstein  |      Owner:  (none)
     Type:  defect (bug)     |     Status:  new
 Priority:  normal           |  Milestone:  6.3
Component:  Revisions        |    Version:  6.2
 Severity:  normal           |   Keywords:  needs-patch
  Focuses:                   |
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 This is a follow up to https://core.trac.wordpress.org/ticket/49532. In
 https://core.trac.wordpress.org/changeset/55154 the autosave endpoint was
 adjusted so that if the autosave was a duplicate (no data had changed) an
 error was returned. This fixed an issue where the autosave would be
 deleted and recreated each time the (unchanged) data was saved.

 Unfortunately, this caused at least two regressions as noted in
 https://core.trac.wordpress.org/ticket/49532#comment:33 and
 https://github.com/WordPress/gutenberg/issues/51088.

 After reviewing this more carefully, a better approach would be to return
 the original autosave instead of an error - that way, endpoint consumers
 will get the data back in the shape the expect and the autosave will work
 as expected.

 Patch incoming

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Ticket URL: <https://core.trac.wordpress.org/ticket/58739>
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