[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
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 Reporter:  afercia         |       Owner:  ocean90
     Type:  enhancement     |      Status:  reviewing
 Priority:  normal          |   Milestone:  5.5
Component:  Administration  |     Version:
 Severity:  normal          |  Resolution:
 Keywords:  has-patch       |     Focuses:  css, performance
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Comment (by ocean90):

 Replying to [comment:16 isabel_brison]:
 > > Found another IE7 reference in this regex which was added in [26819]
 for "mobile browsers and IE7". Any objections for removing this and all
 the .no-font-face CSS?
 >
 > We don't support any of the browsers listed in the regex anymore so
 should be good to scrap the whole thing.

 Thanks for the confirmation, removed in https://github.com/WordPress
 /wordpress-
 develop/pull/251/commits/438bd10460b9023f7770e06bc77fa9011a00898a.

 Curious why this ticket only targets IE 6 – 8. What about 9 and 10?
 Thinking we should further increase the [https://github.com/jakubpawlowicz
 /clean-css#compatibility-modes compatibility mode] for cssmin and remove
 adding (unused) [https://github.com/WordPress/wordpress-
 develop/pull/251#discussion_r419910085 IE 9 helper classes] as well.

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Ticket URL: <https://core.trac.wordpress.org/ticket/46015#comment:17>
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