[wp-trac] [WordPress Trac] #46015: Remove any CSS related to Internet Explorer 6 – 8

[WordPress Trac]

#46015: Remove any CSS related to Internet Explorer 6 – 8
------------------------------+-------------------------------
 Reporter:  afercia           |       Owner:  ocean90
     Type:  enhancement       |      Status:  closed
 Priority:  normal            |   Milestone:  5.5
Component:  Administration    |     Version:
 Severity:  normal            |  Resolution:  fixed
 Keywords:  has-patch commit  |     Focuses:  css, performance
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Changes (by ocean90):

 * status:  reviewing => closed
 * resolution:   => fixed


Comment:

 In [changeset:"47771" 47771]:
 {{{
 #!CommitTicketReference repository="" revision="47771"
 Administration: Remove any CSS related to Internet Explorer versions 6 –
 10.

 In WordPress 3.2 support for IE6 was dropped, IE7 followed a few versions
 later. With the 4.8 release, WordPress officially ended support for
 Internet Explorer versions 8, 9, and 10. Yet, we still have shipped CSS
 for the unsupported IE versions....until now! Goodbye to ie.css and star
 hacks!

 * Removes ie.css and `ie` style handle.
 * Removes IE specific class names and any related CSS.
 * Drops support for IE8 and older in `wp_customize_support_script()`.
 * Updates compatibility mode for CSS minification to `ie11`.

 Props ayeshrajans, isabel_brison, afercia, netweb, peterwilsoncc, ocean90.
 Fixes #17232, #46015.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/46015#comment:21>
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