> ## Documentation Index
> Fetch the complete documentation index at: https://docs.canton.network/llms.txt
> Use this file to discover all available pages before exploring further.

# 0.16.0

> Wallet SDK 0.16.0 release notes.

# 0.16.0

**Released on November 4th, 2025**

* caching for amulet rules and open mining round

*Amulet rules are mostly static and open mining round persists for 10 min, so we can cache this response*

* observing participants for multi-hosting

```javascript theme={"theme":{"light":"github-light","dark":"github-dark"}}
/**
     * Generate topology transactions for an external party that can be signed and submitted in order to create a new external party.
     *
     * @param publicKey
     * @param partyHint (optional) hint to use for the partyId, if not provided the publicKey will be used.
     * @param confirmingThreshold (optional) parameter for multi-hosted parties (default is 1).
     * @param confirmingParticipantUids (optional) list of participant UIDs that will host the party with confirming permissions.
     * @param observingParticipantUids (optional) list of participant UIDs that will have Observation (read-only) permissions.
     * @returns
     */
    async generateExternalParty(
        publicKey: PublicKey,
        partyHint?: string,
        confirmingThreshold?: number,
        confirmingParticipantUids?: string[],
        //new field for observing participants
        observingParticipantUids?: string[]
    ): Promise<GenerateTransactionResponse> {
```

* decode topology transactions

```javascript theme={"theme":{"light":"github-light","dark":"github-dark"}}
generateExternalPartyResponse!.topologyTransactions!.map((topologyTx) => {

    const decodedTx = sdk.userLedger!.toDecodedTopologyTransaction(topologyTx)

    logger.info(decodedTx)
})
```