As XCM v1 has been completely removed from Kusama Network, and the safe version should be XCM v2, this proposal aims to forceDefaultXcmVersion to 2.
However, we are submitting this on Whitelisted Caller track, so the proposal is wrapped on this particular track, along with the Fellowship proposal to whitelist the hash for successful execution:
Make sure to revire and please vote at your convenience!
In the future, shouldn't the default be changed before the functionality is removed?
(but yes of course I support this.)