[wp-trac] [WordPress Trac] #30432: Twenty Fifteen: Remove custom header admin callbacks.

[WordPress Trac]

#30432: Twenty Fifteen: Remove custom header admin callbacks.
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 Reporter:  philiparthurmoore  |       Owner:
     Type:  enhancement        |      Status:  new
 Priority:  normal             |   Milestone:  Awaiting Review
Component:  Bundled Theme      |     Version:  trunk
 Severity:  normal             |  Resolution:
 Keywords:                     |     Focuses:
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Comment (by celloexpressions):

 +1. Users will only be able to access the old pages in the following
 circumstances now (mostly cases where Customizer isn't supported):
 - No JS
 - Using IE7
 - Using IE8 or IE9 on multisite with domain mapping
 - If the user has a bookmark to this screen or has a direct link here from
 anywhere outside core.

 These cases simply aren't worth all of the complexity that this code adds
 to the theme from a developers' perspective. Additionally, given the
 sidebar/header setup in Twenty Fifteen, even with all of this code, the
 header "preview" is still very confusing from a UI perspective.

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Ticket URL: <https://core.trac.wordpress.org/ticket/30432#comment:2>
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