Decentralized exchanges get hacked all the time. If you are just trying to exchange a token then you will probably be fine but if you want to farm or stake there are plenty of risks. There is the potential of smart contract bugs, flash loan attacks, impermanent loss, malicious owners stealing funds and many other ways you can lose money.
Some of that could be valid problems for here as well, while the others may not be so much. Flash loans are not probably a problem here, impermanent loss is a big trouble if there is a lack of volume, otherwise even if it goes all the way down to 1 cent that means eventually you will earn that loss back since it is called "impermanent" but if the volume is not there then you will actually lose, looking at the volume I think we have enough to handle it, malicious owners can't steal your funds if the code is valid and the code for biswap is valid, there isn't even migration as far as I know.
But the smart contract bugs and malicious owners could always be problems, that is true part, I can't guarantee anything. Yet it is still better than centralized places, I rather trust the code of a decentralized place than greed of a centralized places owner.