https://github.com/matrix-org/matrix-doc/blob/neilalexander/identities/proposals/2787-portable-identities.md https://github.com/matrix-org/matrix-doc/blob/neila

https://github.com/matrix-org/matrix-doc/blob/neilalexander/identities/proposals/2787-portable-identities.md https://github.com/matrix-org/matrix-doc/blob/neilalexander/... is the latest work on this ftr :)