Update CHANGELOG and history

Author: iBug

CHANGELOG.md

@@ -5,6 +5,7 @@
 ### Enhancements
 
 - Add a "Share on Bluesky" button (#5179)
+- Add preset variables for modern font stack (#5033)
 
 ## [4.27.0](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.27.0)
 

docs/_docs/18-history.md

@@ -5,7 +5,7 @@ permalink: "/docs/history/"
 excerpt: Change log of enhancements and bug fixes made to the theme.
 sidebar:
   nav: docs
-last_modified_at: '2025-04-23T11:56:13+08:00'
+last_modified_at: '2025-04-26T14:09:41+08:00'
 toc: false
 ---
 
@@ -20,6 +20,7 @@ toc: false
 ### Enhancements
 
 - Add a "Share on Bluesky" button [#5179](https://github.com/mmistakes/minimal-mistakes/issues/5179)
+- Add preset variables for modern font stack [#5033](https://github.com/mmistakes/minimal-mistakes/issues/5033)
 
 ## [4.27.0](https://github.com/mmistakes/minimal-mistakes/releases/tag/4.27.0)