[wp-trac] [WordPress Trac] #29677: Using default permalinks breaks bbPress

[WordPress Trac]

#29677: Using default permalinks breaks bbPress
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 Reporter:  netweb        |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Query         |    Version:  4.0
 Severity:  normal        |   Keywords:
  Focuses:                |
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 When using the default permalink setting with bbPress 2.5.4 forum
 hierarchy is broken in WordPress 4.0.

 Repro Steps:

 - Install bbPress 2.5.4
 - Check that WordPress permalink settings are set to `default`
 - Create a bbPress forum e.g. `parent`
 - Create another bbPress forum with the previous as the parent forum e.g.
 `child`

 Results:
 - Navigating to `https://example.com/?post_type=forum` correctly shows the
 forum list
 - Navigating to `https://example.com/?forum=parent` works as expected
 - Navigating to `https://example.com/?forum=child` does not work as
 expected

 Reverting r28803 from #28611 in 4.0 resolves the issue for bbPress but
 will break the existing fix for #meta523.

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Ticket URL: <https://core.trac.wordpress.org/ticket/29677>
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