Has anyone tried the xDai mainnet NFT (ERC-721 and ERC-1155) OmniBridge yet?

https://twitter.com/xdaichain/status/1438415535931281411

Seems like you can send ERC-721 and ERC-1155 NFTs over to mainnet and back.

Can anyone talk about the implications?

Is it possible for me have NFTs bridged from xDai just pop up on opensea for example?