update changelog

Author: haschek

CHANGELOG.md

@@ -6,6 +6,11 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/) and this p
 
 ## [Unreleased]
 
+### Added
+
+-   `<ApplicationViewability />`
+    -   component for hiding elements in specific media
+
 ## [25.0.0] - 2025-12-01
 
 This is a major release, and it might be not compatible with your current usage of our library. Please read about the necessary changes in the section about how to migrate.