There will definitely be plenty of new coins, but it's a gradual process, not a one-day job. First we get the service itself fully polished, then we start adding coins. Requests from this thread are one of the inputs — SOL is clearly at the top.
Probably right after SOL and a few other coins you might start thinking of other chains for USDT and USDC?
I'm saying this because for USDT you have, besides ERC-20, Tron, which, well, it's no longer a solution for ~1k in swaps and certainly a no-go for anything that goes below $300, the network has become way to expensive for tx so anyone dealing with that for is losing $10 per tx.
So, maybe more stablecoin chains, sol and zec?
Just suggestions, I'm pretty sure you know what is in demand and financially viable from your liquidity pool partners!