"Casady & Greene announces the release of Conflict Catcher 4 v4.1. The Conflict Catcher 4.1 Update is now available from the Casady & Greene web site as a free update for all Conflict Catcher 4 customers.
All previous versions of Conflict Catcher 3 and Conflict Catcher 4 will not work under Apple's upcoming Mac OS 8.1. They will have to update or upgrade to version 4.1."
It has numerous other enhancements, including "Enhanced Group Links Conflict Catcher now supports single-item Group Links and allows completely overlapping Group Links."