Tekla Structures 2020 SP3 has changes which might affect some revision templates
Template attribute REVISION.LAST_MARK was changed in TS2020 SP3 so that an empty value is no longer returned, but zero value (0) instead if there is no revisions. This change might affect existing templates which use empty value in their rules. We have already noticed this in a revision table in
THIS CONTENT IS AVAILABLE ONLY FOR REGISTERED TEKLA MAINTENANCE CUSTOMERS.