I am glad that discussion about Layer 2 solution came back to the light of the world. High tx fees are what most of us feel like a major thing to be 'fixed' (the solution itself is not in hot fixing, using Chi token etc, in my opinion it is in different architecture of swaps and contracts - it seems to be done according to the sneek peeks). What is more important from long term perspective is interoperability and ability to integrate granular parts of Uniswap to our own products. Java SDK was the first step and I hope the team goes far beyond that.