From 28b9b40faaee2985945234f246b23601f34f9f6b Mon Sep 17 00:00:00 2001
From: Mark Otto <markd.otto@gmail.com>
Date: Sat, 23 Dec 2017 16:47:33 -0800
Subject: [PATCH] closes #24973

---
 docs/4.0/migration.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docs/4.0/migration.md b/docs/4.0/migration.md
index eccddccf9b..346ef84ab0 100644
--- a/docs/4.0/migration.md
+++ b/docs/4.0/migration.md
@@ -286,6 +286,7 @@ Dropped entirely for the new card component.
   - Added new [responsive margin and padding utilities]({{ site.baseurl }}/docs/{{ site.docs_version }}/utilities/spacing/) for all sides, plus vertical and horizontal shorthands.
   - Added boatload of [flexbox utilities]({{ site.baseurl }}/docs/{{ site.docs_version }}/utilities/flex/).
   - Dropped `.center-block` for the new `.mx-auto` class.
+- Clearfix updated to drop support for older browser versions.
 
 ### Vendor prefix mixins
 
-- 
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