May 5, 2021 Uniswap v3 goes live.

The third version of decentralized exchange protocol Uniswap went live on Ethereum today. Among other upgrades, Uniswap v3 will allow liquidity providers to create liquidity pools with customized price ranges. Developers plan to launch a version of Uniswap v2 on Layer 2 solution Optimistic Rollup in the near future.