Changelog update

CHANGELOG.md

@@ -11,8 +11,15 @@ and this library adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - `Synchronizer.createAccount`
 
 ### Changed
+- `Account` data class works with `accountUuid: ByteArray` instead of the previous ZIP 32 account index 
 - `Synchronizer.orchardBalances`, `Synchronizer.saplingBalances`, and `Synchronizer.transparentBalance` have been 
   replaced by `Synchronizer.walletBalances` that provides these balances based on `Account`
+- These functions from `DerivationTool` have been refactored to work with the ZIP 32 account index instead of the 
+  `Account` data class: `deriveUnifiedSpendingKey`, `deriveUnifiedAddress`, `deriveArbitraryAccountKey` 
+
+### Removed
+- `Synchronizer.sendToAddress` and `Synchronizer.shieldFunds` have been removed, use 
+  `Synchronizer.createProposedTransactions` and `Synchronizer.proposeShielding` instead
 
 ## [2.2.6] - 2024-11-16