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migration to layout and nav

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This commit is contained in:
Mark Otto
2014-12-18 22:35:37 -08:00
parent 94753bc3ec
commit 83b3252404
3 changed files with 7 additions and 4 deletions
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docs/migration.md
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@@ -3,11 +3,9 @@ layout: page
title: Migrating to v4.x.x
---
## Migrating from 3.x.x to 4.0.0
## Summary
Bootstrap 4 is not backwards compatible with v3.x.x. Use this section as a general guide to upgrading from v3.x.x to v4.0.0. For a broader overview, see [what's new](http://blog.getbootstrap.com/DEAD-LINK-FIX-ME-PLEASE) in the v4.0.0 release announcement.
## At a glance
For a broader overview, see [what's new](http://blog.getbootstrap.com/DEAD-LINK-FIX-ME-PLEASE) in the v4.0.0 release announcement.
- Dropped IE8 support—v4 is now only IE9+. For sites needing IE8, use v3.
- Switched from `px` to `rem` as our primary unit in CSS.