Beta is deprecated. There are still 2164.7 Dai in the Coverage contract that is eligible to redeem. Following the steps here to redeem back your Dai with eligible Curve NOCLAIM tokens.
Go to etherscan coverage contract here.
Connect your wallet with etherscan.
Call function # 6 redeemNoclaim. No input is required. The NOCLAIM tokens will be burned and Dai will be sent to your wallet.