Eleveo WFM Release Notes provide information on the features and improvements in each release:
Release Versions - explanation
Eleveo WFM version numbers consist of up to 5 parts: YY.MM.DD.BUILD[.PATCH]
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YY,MMandDDrepresent the year, month and day of the release -
BUILDrepresents the number of the release, and increase incrementally with each release -
PATCHis added as an optional parameter to indicate a release that has occurred outside of the regular schedule, and mostly applies to hot fixes