About showed a bare "v0.21.5" for a checkout 1913 commits past the tag
(`hermes --version`: "v0.21.5+1913.gf83a9e9"), because /api/health only
reports the base release; the statusbar showed the version plus the exact
commit beside it.
VersionInfo.display_version is the short `<release>+<distance>` form and
/api/health carries it as displayVersion (older backends fall back to the
bare release). One renderer formatter, shortVersion, turns any version into
that form, and About, the updates overlay, the statusbar and the command
palette all label through it: "v0.21.5+1913". The full commit stays in the
statusbar tooltip and the expanded version details.
7038ba8f46