With each catalog update an additional entry is added in the link database for each entry (material number).

You can recognize old part versions in the PARTlinkManager, in the PSOL Project column with the version number in the project path. Furthermore then in a project, the same Line ID has several Line sub ID.

Clicking on the button you can hide old part versions (marked with ".v").

You have the same effect when you use the following filter in the PSOL Project column.

%NOT% *.v*