According to CoinMeta, Unichain launched by Uniswap will be migrated to OP Enterprise to support native cross-chain interoperability with OP Stack. Once the interoperability is live, users will be able to transfer assets between OP Stack chains without the need for a cross-chain bridge, with ETH being among the first supported assets. The test network migration is scheduled for October 13th, and the mainnet migration is planned for late October.