[wp-trac] [WordPress Trac] #37798: Wordpress custom URLs return the index page on upgrading from v4.5.3 to v4.6

[WordPress Trac]

#37798: Wordpress custom URLs return the index page on upgrading from v4.5.3 to
v4.6
---------------------------+-----------------------------
 Reporter:  xckd           |      Owner:
     Type:  defect (bug)   |     Status:  new
 Priority:  normal         |  Milestone:  Awaiting Review
Component:  Rewrite Rules  |    Version:  4.6
 Severity:  normal         |   Keywords:
  Focuses:                 |
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 Upgraded to v4.6 from v4.5.3 and my site started showing the home page's
 content instead of the requested post or category page. The admin
 dashboard remained functional.

 Also the View draft page was also functional.

 Also interesting was to see that while the url changed to the correct
 address/value(site.tld/requested-url), the content itself was that of the
 home page.

 Nginx server log showed no redirects taking place, so it's somewhere in
 wordpress that broke or my theme that got broken by Wordpress.

 Web server: nginx/1.11.3

 php: PHP 5.6.25

 debian 7 openvz host

 Theme:

 Buso lighting v1

 Plugins:

 Google XML sitemaps

 Disable google fonts

 W3 Total cache

 Perm URLs:

 site.tld/%postname%

 Site is on https, with LE as CA.

 WP-config has these lines for forced ssl:

 define('WP_HOME','https://site.com');
 define('WP_SITEURL','https://site.com');

 Commenting these out on v4.6 changed nothing.

 The problem persisted with plugins disabled and plugins disabled and the
 cache emptied.

 Downgrading to v4.5.3 from backups seems to be the only resolution.

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Ticket URL: <https://core.trac.wordpress.org/ticket/37798>
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