Update changelog

CHANGELOG.md

@@ -4,9 +4,11 @@
 
 - Added `slActivate` and `slDeactivate` events to `sl-menu-item`
 - Added experimental `sl-animation` component
+- Added shields to documentation
 - Fixed a bug where link buttons would have `type="button"`
 - Fixed a bug where button groups with tooltips experienced an odd spacing issue in Safari
 - Fixed a bug where scrolling in dropdowns/selects didn't work properly on Windows (special thanks to [Trendy](http://github.com/trendy) for helping troubleshoot!)
+- Fixed a bug where selecting a menu item in a dropdown would cause Safari to scroll
 - Moved scrolling logic from `sl-menu` to `sl-dropdown`
 
 ## 2.0.0-beta.12