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| layout | title |
|---|---|
| page | Migrating to v4.x.x |
Migrating from 3.x.x to 4.0.0
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 in the v4.0.0 release announcement.
Major class changes
This table shows the style changes between v3.x.x and v4.0.0.
| Bootstrap 3.x.x | Bootstrap 4.0.0 |
|---|---|
What's new
We've added new components and changed some existing ones. Here are the new or updated styles.
| Component | Description |
|---|---|
What's removed
The following components have been removed in v4.0.0.
| Component | Removed from 3.x.x | 4.0.0 Equivalent |
|---|---|---|