Update changelog

Author: ardier16

CHANGELOG.md

@@ -4,8 +4,13 @@ The format is based on [Keep a Changelog], and this project adheres to [Semantic
 
 ## [Unreleased]
 ### Added
+- `react` - Add `loader` prop to `UnforgettableQRCode` component to allow custom loading component
 - `examples/basic-recovery-react` - Example app demonstrating basic usage (React + TS)
 
+### Changed
+- `core` - Wrap keipair generation in Promise to ensure async behavior
+- `react` - Generate recovery link asynchronously to avoid blocking the main thread
+
 ## [0.1.0] - 2025-07-23
 ### Added
 - `core` package for Unforgettable SDK