SegWit Version - is there a proposal for new versions?

Question

I can see transactions with version 0. Are there any other versions of SegWit proposed or in existence?

Answer 1

BIP-114 which was published a while ago comes to mind : https://github.com/bitcoin/bips/blob/master/bip-0114.mediawiki

Answer 2

Taproot is implemented as SegWit version 1.

Another proposed feature that would most likely be implemented as a new SegWit version is cross-input signature aggregation.

Answer 3

The introduction of Schnorr signatures would require a new script version.