- Dropped the Affix jQuery plugin. We recommend using a `position: sticky` polyfill instead. [See the HTML5 Please entry](http://html5please.com/#sticky) for details and specific polyfill recommendations.
- If you were using Affix to apply additional, non-`position` styles, the polyfills might not support your use case. One option for such uses is the third-party [ScrollPos-Styler](https://github.com/acch/scrollpos-styler) library.
- Refactored nearly all components to use more unnested classes instead of children selectors.
- Dropped the pager component as it was essentially slightly customized buttons.
- Refactored nearly all components to use more un-nested classes instead of children selectors.
### Misc
- Non-responsive usage of Bootstrap is no longer supported.
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@@ -113,6 +114,7 @@ New to Bootstrap 4 is the Reboot, a new stylesheet that builds on Normalize with
### Pagination
- Explicit classes (`.page-item`, `.page-link`) are now required on the descendants of `.pagination`s
- Dropped the `.pager` component entirely as it was little more than customized outline buttons.
