jj-diff
Compare file contents between two revisions. tldr-pages
On several platforms
Several platforms
Show changes of current revision
jj diffIdentifyShow changes of given revsets (e.g. B::D, A..D, B|C|D, etc.)
jj diff --revisions revsetsIdentifyShow changes from given revision to given revision
jj diff --from from_revset --to to_revsetIdentifyShow diff statistics
jj diff --statIdentifyShow a Git-format diff
jj diff --gitIdentify