The WeSync 1.52 Installer only updates the specific WeSync components that were changed. The WeSync Desktop Viewer and WeSync Desktop 'tray' application are the 2 components that have not changed, and are therefore still the 1.5 versions. Back to top 7. A Patch is generally used for delivering bug fixes by adding or modifying a small number of files to an existing installation. An Update is a 'minor' release intended primarily to deliver bug fixes and incremental new features or product enhancements.
Updates usually consist of a full installation.
An Upgrade is a 'major' release, requiring a full installation that provides significant new features and enhancements, as well as bug fixes.