# Changelog

## Changelog

Stay updated with the latest changes in the SDK:

### Version v0.7 (2025-05-30)

In addition to the Cramium MPC SDK `v0.6` (listed below), `v0.7` includes the following features:

1. Enhanced MPC Client functionality:
   * Added `inputPartyInMsg` for message input into local party
   * Added `localPartyMnemonicKeyGen` start a local party thread for mnemonic key generation
   * Added `localPartyPaillier` start a local party thread for Paillier encryption operations
   * Added `newPaillier` propose new method for 2-of-3 Paillier process
   * Added `newMnemonicKeyGen` propose new method for 2-of-3 Keygen process
   * Added `registerNewLocalPartyToMpcGroup` for party registration
   * Added `preparePartyGroupData` for preparing group data
   * Added `saveInternalIdentityPrivateKey` for saving private keys
   * Added `localPartySaveExternalPartyIdentityPublicKey` for saving external party public keys

### Version v0.6 (2025-05-30)

In addition to the Cramium MPC SDK `v0.5` (listed below), `v0.6` includes the following features:

1. Enhanced transaction policy management:
   * Added `updateWalletAddress` to modify labels for whitelisted wallets
   * Added `getTransactionLimitPolicy` to retrieve current transaction limits
   * Added `updateTransactionLimitPolicy` to configure global transaction limits
   * Added `updateTransactionLimitPolicyForSpecificAddress` to set address-specific limits
   * Added `getTransactionCurrentUsage` to track daily transaction activity
   * Added `checkAmountWithPolicy` to validate transactions against policy limits
   * Added `recordTransactionDailyUsage` to track and audit transaction usage
2. Added User Device Management (UDM) features:
   * Added `registerDevice` to register new devices
   * Added `getLinkDevices` to retrieve all linked devices
   * Added `getLinkDevice` to get details of a specific device
   * Added `updateLastOnline` to update device's last online status
   * Added `updateDeviceName` to modify device display name
   * Added `removeDevice` to unlink devices
   * Added `getLinkDevicesHistory` to view device linking history
3. Added Cloud Service integration:
   * Added `storeBackupFile` to backup files to cloud
   * Added `getBackupFile` to retrieve backup files from cloud
   * Added `deleteBackupFile` to remove backup files from cloud
4. Add [error code system](/docs/feature-list/error-code-system.md).

### Version v0.5 (2025-03-31)

In addition to the Cramium MPC SDK `v0.4` (listed below), `v0.5` includes the following features:

1. Added support for building XRP chain transactions
   * A new function called `buildXrpTransaction` has been added.
2. Added support for building TON token transactions
   * A new function called `buildJettonTransaction` has been added.
3. Added two more methods for the transaction policy - amount limitation:
   * `getTransactionAmountLimit`: Gets the amount limit of the current transaction.
   * `updateTransactionPolicyLimit`: Updates the transaction limit.
4. Handled expired tokens with an additional method:
   * `setAccessToken`: Sets a new token using this method.
5. Enforced passkey authentication before accessing sensitive information such as shards, SEK, etc.
6. Security audit fixes (Improved Keychain Security Configuration).

### Version v0.4 (2025-02-27)

In addition to the Cramium MPC SDK `v0.3` (listed below), the `v0.4` has the following features:

1. Added Ton Chain transaction
   * A new function called `buildTonTransaction` has been added
2. Added BTC Chain transaction
   * A new function called `buildBtcTransaction` has been added
3. Updated Transaction Policy whitelisted and delay time
   * `getCurrentTransactionPolicy` is now getCurrentPolicy.
   * `addWhitelistedAddresses` is now `addWalletAddress`.
   * `removeWhitelistedAddresses` is now removeWalletAddress. In addition, the parameter `walletAddress` has been replaced with `walletId`.
   * `updateTransactionPolicy` is now `enablePolicy`, which takes two parameters: `enabled` and `force`.
   * A new function called `disablePolicy` has been added
4. Added an `API key` to the authentication process.

### Version v0.3 (2025-01-24)

In addition to the Cramium MPC SDK `v0.2` (listed below), the `v0.3` has the following features:

1. Delete MPC group
2. Transaction Policy
   * Get the current transaction policy for the user
   * Update the transaction policy for the user
   * Add a whitelisted address for the user
   * Remove a whitelisted address for the user
   * Validate an action for the user

### Version v0.2 (2025-12-31)

In addition to the Cramium MPC SDK `v0.1` (listed below), the `v0.2` has the following features:

1. New Full MPC mode
   * Create a wallet with Full MPC mode.
   * Export the wallet to a secret key.
   * Key derivation.
   * Backup
   * Recovery
2. Addition to the Mnemonic-compatible MPC mode:
   * Export to Mnemonic Phrase.
3. For both modes:
   * Independent transaction verification.
   * Supports more chains: Tron and BSC.
   * Compatible with third-party, such as Dapps through WalletConnect.


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://cramiumlabs.gitbook.io/docs/sdk-mpc-ios/changelog.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.