5.4.1 ~upd~: Pace
While "PACE 5.4.1" is most likely the software version, the term "PACE" appears in other specialized fields that may occasionally reference similar numbering: Release History of PACE Products - PACE Suite
While "PACE 5.4.1" is most likely the software version, the term "PACE" appears in other specialized fields that may occasionally reference similar numbering: Release History of PACE Products - PACE Suite