ENSv2 reduces the post-expiry grace period from 90 days to 28 days, while extending migrated domain expiration dates by 62 days to preserve overall timelines.

From the articleEthereum Name Service Team Asks DAO to Switch On ENSv2 and Freeze New .eth Sign-Ups on v1 - UnchainedAlso in ENS seeks approval for major .eth domain upgrade, Ethereum Name Service plans major .eth overhaul with one irreversible catch for domain holders