Update CHANGELOG and history

CHANGELOG.md

@@ -2,13 +2,16 @@
 
 ### Enhancements
 
+- Replace jQuery Smooth Scroll with Smooth Scroll + Gumshoe. [#2082](https://github.com/mmistakes/minimal-mistakes/pull/2082)
 - Add styling for [GFM task lists](https://help.github.com/en/articles/about-task-lists#creating-task-lists). [#2092](https://github.com/mmistakes/minimal-mistakes/issues/2092)
 - Update Google Universal Analytics to load async. [#2079](https://github.com/mmistakes/minimal-mistakes/pull/2079)
 - Remove Google+ social sharing button, comment provider, and author link configs from theme.
 - Add missing Chinese text strings. [#2072](https://github.com/mmistakes/minimal-mistakes/pull/2072)
 
 ### Bug Fixes
 
+- Remove Font Awesome `data-search-pseudo-elements` attribute as it degrades smooth scroll performance. [#2075](https://github.com/mmistakes/minimal-mistakes/issues/2075#issuecomment-472437014)
+- Fix footnote links incompatibility with smooth scroll plugin. [#2075](https://github.com/mmistakes/minimal-mistakes/issues/2075)
 - Loosen Bundler dependency in ruby gem.
 
 ## [4.15.2](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.15.2)

docs/_docs/18-history.md

@@ -5,21 +5,24 @@ permalink: /docs/history/
 excerpt: "Change log of enhancements and bug fixes made to the theme."
 sidebar:
   nav: docs
-last_modified_at: 2019-03-13T08:30:09-04:00
+last_modified_at: 2019-03-22T16:05:09-04:00
 toc: false
 ---
 
 ## Unreleased
 
 ### Enhancements
 
+- Replace jQuery Smooth Scroll with Smooth Scroll + Gumshoe. [#2082](https://github.com/mmistakes/minimal-mistakes/pull/2082)
 - Add styling for [GFM task lists](https://help.github.com/en/articles/about-task-lists#creating-task-lists). [#2092](https://github.com/mmistakes/minimal-mistakes/issues/2092)
 - Update Google Universal Analytics to load async. [#2079](https://github.com/mmistakes/minimal-mistakes/pull/2079)
 - Remove Google+ social sharing button, comment provider, and author link configs from theme.
 - Add missing Chinese text strings. [#2072](https://github.com/mmistakes/minimal-mistakes/pull/2072)
 
 ### Bug Fixes
 
+- Remove Font Awesome `data-search-pseudo-elements` attribute as it degrades smooth scroll performance. [#2075](https://github.com/mmistakes/minimal-mistakes/issues/2075#issuecomment-472437014)
+- Fix footnote links incompatibility with smooth scroll plugin. [#2075](https://github.com/mmistakes/minimal-mistakes/issues/2075)
 - Loosen Bundler dependency in ruby gem.
 
 ## [4.15.2](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.15.2)