At its core, Techtool Pro is designed as a "personal technician" that provides a comprehensive suite of hardware diagnostics and drive repair tools. Build 6093 specifically addressed several high-priority stability issues:

The software continues to be valued for its ability to preemptively find hardware failures. Key diagnostic categories included in this era of Techtool Pro are: TechTool Pro 12 Release Notes - Micromat

Fixed crashes in the Battery Check test for iOS devices when running on macOS 10.15.4 or later.