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

WordPress Trac noreply at wordpress.org
Tue May 5 08:40:57 UTC 2020


#46015: Remove any CSS related to Internet Explorer 6 – 8
----------------------------+-------------------------------
 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 afercia):

 > Curious why this ticket only targets IE 6 – 8. What about 9 and 10?
 Thinking we should further increase the compatibility mode for cssmin and
 remove adding (unused) IE 9 helper classes as well.

 Makes sense.

 This ticket originally focused on IE 6 – 8 because it mainly considered
 CSS files. The original proposal was, ''at the very least'', to remove any
 related CSS. The core CSS doesn't use any `.ie9` selector, as you already
 mentioned in the linked pull request on GitHub. Conditional comments are
 no longer supported in IE10 and IE11.

 The original proposal also suggested to split in a separate ticket changes
 to the JS part (and PHP part, where needed). if you'all are comfortable
 with broadening the scope of this ticket, I have no objections :)

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Ticket URL: <https://core.trac.wordpress.org/ticket/46015#comment:18>
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