[wp-trac] [WordPress Trac] #33193: The global, $is_IE, doesn't properly detect Microsoft Edge

[WordPress Trac]

#33193: The global, $is_IE, doesn't properly detect Microsoft Edge
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 Reporter:  gregrickaby   |       Owner:
     Type:  defect (bug)  |      Status:  new
 Priority:  normal        |   Milestone:  Awaiting Review
Component:  General       |     Version:  trunk
 Severity:  normal        |  Resolution:
 Keywords:                |     Focuses:
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Comment (by dd32):

 I'm not completely caught up with Microsofts new browser, but it could
 quite possibly be expected for the `$is_IE` global to not be true for it's
 new rendering engines.

 The reasoning being, is that the globals are mostly used for CSS
 detection, serving CSS designed for older IE versions to the latest IE
 isn't going to be in the best interest of the user - the browser is
 specifically sending it's new UA so that it does avoid that old css and/or
 gets the css designed for webkit/others.

 This could be a case where we should instead introduce a global of
 `$is_IE_ancient` or something, or just deprecate it entirely.

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Ticket URL: <https://core.trac.wordpress.org/ticket/33193#comment:1>
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