docs: Update CHANGELOG

Author: iinuwa

CHANGELOG.md

@@ -2,10 +2,25 @@
 
 ## Breaking Changes
 
+### Gateway API
+
+- Added window handle parameter.
+
 ### UI Controller API
 
-- Renamed `InitiateEventStream()` to `Subscribe()`
-- Serialize `BackgroundEvent`, `HybridState`, `UsbState` as tag-value structs
+- Renamed `InitiateEventStream()` to `Subscribe()`.
+- Serialized `BackgroundEvent`, `HybridState`, `UsbState` as tag-value structs.
+- Added window handle parameter.
+
+## Improvements
+
+- Added NFC support.
+- Added PRF support.
+- Added translation support, with English and German translations.
+- Added client information the initial UI prompt.
+- Fixed user handle deserialization.
+- Added a GUI for demo client.
+- Notify user when a UV method is not set when required.
 
 # [0.1.0] - 2025-08-14