[wp-trac] [WordPress Trac] #43190: Update prefixed CSS properties in about.css

[WordPress Trac]

#43190: Update prefixed CSS properties in about.css
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 Reporter:  afercia           |       Owner:
     Type:  defect (bug)      |      Status:  new
 Priority:  normal            |   Milestone:  4.9.4
Component:  Build/Test Tools  |     Version:
 Severity:  normal            |  Resolution:
 Keywords:  has-patch commit  |     Focuses:
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Changes (by netweb):

 * keywords:  needs-patch => has-patch commit


Comment:

 At first glance, I thought this was a follow up to [42181] that was missed
 in the ''build'' process somehow.

 Rather it's a change in behaviour via Autoprefixer/Browserslist
 configuration. Firefox v51 (the current is v58) requires the `-moz-column-
 count: 2;` prefix, `column-count` was [https://developer.mozilla.org/en-
 US/docs/Web/CSS/column-count added to Firefox v52] so I'm not sure as to
 why Autoprefixer/Browserslist is only fixing this now, I've spent 15
 minutes looking and the rabbit hole is deep!

 Let's get this in ASAP to "avoid unrelated changes in other commits" as
 @afercia has noted

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Ticket URL: <https://core.trac.wordpress.org/ticket/43190#comment:2>
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