[wp-trac] [WordPress Trac] #54258: post_type query parameter added to url causes incorrect type search results (5.8.1)

[WordPress Trac]

#54258: post_type query parameter added to url causes incorrect type search results
(5.8.1)
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 Reporter:  arestelle     |       Owner:  (none)
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  5.8.1
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by arestelle):

 I'm looking into my custom theme code and I do have a function that
 applies this parameter, but only when the current query is a custom
 taxonomy or a search. I suspect either the `WP_Query::is_tax()` or
 `WP_Query::is_search()` is now returning true on custom post type archive
 pages.

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Ticket URL: <https://core.trac.wordpress.org/ticket/54258#comment:1>
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