The answer to the question is yes, all the Uniswap pools are v3. Uniswap v3 is a major upgrade to the existing Uniswap protocol, and it brings a number of improvements, including increased liquidity, improved pricing, and more efficient trading. Uniswap v3 also features a new fee structure that helps to reduce the cost of trading, and a new pooling system that allows users to create their own pools. As such, all the Uniswap pools are now v3, and this upgrade has been beneficial for users of the platform.
