[wp-trac] [WordPress Trac] #39390: Update to 4.7 broke front-end stylings

[WordPress Trac]

#39390: Update to 4.7 broke front-end stylings
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 Reporter:  yogaman5020   |      Owner:
     Type:  defect (bug)  |     Status:  new
 Priority:  normal        |  Milestone:  Awaiting Review
Component:  Formatting    |    Version:  4.7
 Severity:  normal        |   Keywords:
  Focuses:                |
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 Hi Folks,

 I want to tell you about a problem I recently had with the update to WP
 Core 4.7.  I maintain a site at [yogastlouis.us]. The HTML on the site
 header was stripped out when core updated to 4.7 in early December.  I
 don't know why the update caused this behavior.  To see what the result
 from the update looks like, visit a staging site I maintain at
 [ystl.spiralwebdb.com]. You can compare the two sites to see the
 difference in styling.

 To repeat, yogastlouis.us is running WP v4.6.1; ystl.spiralwebdb.com is
 running WP v4.7.

 I fixed yogastlouis.us by pushing a local version of the site running
 v4.6.1 back up to production.  I've disabled core file updates on the
 production version until I feel confident that WordPress will be stable
 enough not to strip out the HTML again from the site header.

 This is not the first problem I had with a production site updating to
 v4.7.  The same thing happened on another staging site
 (alb.spiralwebdb.com) just after WP updated in early December.

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Ticket URL: <https://core.trac.wordpress.org/ticket/39390>
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