Uniswap has officially launched its v4 upgrade on the mainnet, introducing customizable hooks for developers and slashing pool creation costs by 99.99%.Though high anticipation, UNI's price saw only a brief spike before retracing, failing to sustain upward momentum. Developers remain confident in v4's long-term potential, offering record-high bug bounties to ensure security.Uniswap v4 aims to strengthen its position in the competitive DEX landscape.