Update CHANGELOG.md

CHANGELOG.md

@@ -4,6 +4,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 
+## [Unreleased]
+### Fixed
+- Fixed regression in react popup alignment and overflowing
+
+
 ## [2.2.0] - 2020-11-06
 ### Added
 - New option to optimize timeline rendering to make the site more responsive (enabled by default)