[wp-trac] [WordPress Trac] #35848: WordPress 4.4 Handling Custom Taxonomies and Tax Queries Correctly

[WordPress Trac]

#35848: WordPress 4.4 Handling Custom Taxonomies and Tax Queries Correctly
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 Reporter:  vrazer             |       Owner:
     Type:  defect (bug)       |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Query              |     Version:  4.4
 Severity:  normal             |  Resolution:
 Keywords:  reporter-feedback  |     Focuses:
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Comment (by vrazer):

 We were able to determine a bit more information on this.  All I can say
 for sure is that the behavior that changed between 4.3 and 4.4 is somehow
 also tied to the 'public' status of the registered taxonomy.  By that,
 what I mean is that setting the status of the taxonomy to public fixes
 this problem (which is obviously the intended result of that parameter).
 At least, that is the case with the Types plugin and how it registers
 custom taxonomies.  We are seeing this same behavior with the More Types
 and More Taxonomies plugins (completely separate plugins).  Oddly, the
 problem with taxonomies constructed by the More Taxonomies is one where
 the taxonomy IS set to public but still has this same issue.  The issue
 occurred in both cases at the onset of WordPress 4.4 with prior settings
 working fine in 4.3.  With Types, there was a functional fix by changing
 settings.  With More Taxonomies, there was not.

 Additional research into this has us questioning whether the issue is not
 as much of a new bug in WP 4.4 as perhaps a bug in 4.3 (and prior) that
 was fixed in 4.4.  I wish I could say more specifically what set of
 symptoms was creating this, but all I know for sure is that the problem
 involves the use of Custom Types with Custom Taxonomies built by plugins
 (which do use the register taxonomy function correctly).  The settings
 used in these plugins (which are passed to register_taxonomy) all appear
 to be correct.  If we are able to better track down this issue, we will
 report back with specifics.  In the meantime, I'm going to have to assume
 that the issue is actually a bug that was fixed in 4.4 that manifested on
 some sites as if a bug had been introduced (perhaps due to some
 inadvertent reliance on that bug).

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Ticket URL: <https://core.trac.wordpress.org/ticket/35848#comment:2>
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