Uniswap Labs launched Uniswap v4's Aggregator Hooks on October 22, 2026, across Ethereum mainnet, Base, and Robinhood Chain

From the articleUniswap Turns v4 Into an Aggregator, Sending Fees From Outside Liquidity to UNI Burn - UnchainedAlso in Uniswap v4 Is Now an Aggregator, Uniswap Launches Aggregator Hooks on Ethereum, Base and Robinhood Chain, DeFi Giant Uniswap Taps 7 Rival Liquidity Sources to Burn UNI Tokens, Uniswap's aggregator hooks go live on Ethereum, Base and Robinhood Chain, Uniswap adds seven trading sources as 0x disputes its protection from malicious hooks