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

# Release Notes

# 0.3.0

### UI

* Sources the required disclosed contracts from the utility backend's new API endpoint `burn-mint-instruction/v0/burn-mint-factory`.
* The UI now requires the URL of the utility backend to be provided as an environment variable. This is included in the Helm chart and compose file configurations.

### Daml

* Implemented batching for improved deposit processing and throughput.

# 0.4.0

### UI

* Queries Circle's xReserve API directly to allow withdrawal fees to be calculated and displayed.
* The UI now requires the URL of the xReserve API to be provided as an environment variable. This is included in the Helm chart and compose file configurations.
* Major redesign of the UI to simplify displaying and interacting with deposits and withdrawals.
* Added the functionality to pre-approve deposits.
* Queries the transaction tree to show historical deposits.

### Daml

* Additional batching logic for improved pre-approved deposit processing and throughput.

# 0.4.1

### UI

* Performance optimizations around querying and caching the ACS and transaction tree.

# 0.4.2

### UI

* Additional performance optimizations for validators with a large ACS.
* Improved loading bar to show progress of loading the ACS and transaction tree.