Quick TakeUniswap v3 is slated to launch on May 5th on Ethereum, and on May 12th on Optimism — a highly anticipated layer 2 scaling solution.The main new feature, custom liquidity ranges, enables multiple orders of magnitude improvement in capital-efficiency, combining the best of AMMs and order book exchanges.The biggest remaining question is whether Uniswap v3 kickstarts a migration to layer 2, thus alleviating fee pressures for users.