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add note to migration docs

This commit is contained in:
Mark Otto 2016-02-06 15:41:14 -08:00
parent c59dbe56fe
commit b72e4ed8d6

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@ -154,8 +154,9 @@ Dropped entirely for the new card component.
### Utilities
- Added `.pull-{xs,sm,md,lg,xl}-{left,right,none}` classes for responsive floats
- Removed `.pull-left` and `.pull-right` since they're redundant to `.pull-xs-left` and `.pull-xs-right`
- Added `.pull-{xs,sm,md,lg,xl}-{left,right,none}` classes for responsive floats.
- Removed `.pull-left` and `.pull-right` since they're redundant to `.pull-xs-left` and `.pull-xs-right`.
- Dropped `.center-block` for the new `.m-x-auto` class.
### Vendor prefix mixins
Bootstrap 3's [vendor prefix](http://webdesign.about.com/od/css/a/css-vendor-prefixes.htm) mixins, which were deprecated in v3.2.0, have been removed in Bootstrap 4. Since we use [Autoprefixer](https://github.com/postcss/autoprefixer), they're no longer necessary.