# Overledger 2.2.26

**Released:** 16 March 2023

## What’s new

This release contains enhanced monitoring functionality for QRC20 token APIs on all supported networks. It also introduces significant technical improvements to our connectors and trackers that enhance the maintainability of our services.

## What this means for you

**Monitoring functionality** You can now receive updates when there are changes to a shared QRC20 account.

## How you can benefit

Subscribe to retrieve event updates when a joint account owner is removed for a QRC20 token.

**Sandbox** API: POST https://api.sandbox.overledger.io/v2/tokenise/tokens/subscription/qrc20/secondaryaccountowner

Type: Remove Account

**Production** API: POST https://api.overledger.io/v2/tokenise/tokens/subscription/qrc20/secondaryaccountowner

## API documentation

[API documentation can be found here >](https://docs.overledger.io/tag/Manage-Monitored-Resources#operation/deleteResourceMonitoringAddress)