Since Ethereum Shanghai/Capella upgrade launched in Ethereum Beason Chain, this Ethereum Improvement Proposal enables rewards to be automatically withdrawn to the execution layer, and also provides a way for exited validators to unlock their entire balance. In adapt to Shanghai upgrade, vETH had been upgraded to a new Voucher Ethereum 2.0 Contract, which includes vETH withdraw and more functions, learn more about it here: https://wiki.bifrost.finance/staking-liquidity-protocol-slp/veth#veth-2.0-price-appreciating-mechanism