Pre-4.3.0 Release Notes
Release Notes for ProContractor versions after 3.16 and prior to 4.3.0.
ProContractor versions with release notes
ProContractor releases 4.2.4, 4.2.2, and 4.1.1 contained bug fixes only and did not have release notes.
Release notes for ProContractor versions prior to 4.0.0 are at the Viewpoint Customer Portal.