According to the St. Clair Software Blog, version 2.7.6 focused on refinement and stability:
Automatically detect and throttle background processes that are draining resources. Key Updates in Version 2.7.6 App Tamer 2.7.6
Completely pause an application when it is not the frontmost window. According to the St
Resolved internal issues to improve overall stability on supported macOS versions. Technical Specifications Developer: St. Clair Software. Release Date: January 19, 2023. App Tamer 2.7.6