This version focused on three primary areas: stability, accessibility, and modern OS compatibility.
: Version 1.18.30 added full support for macOS Catalina and Big Sur . However, it officially ended support for older OS versions including OS X 10.8 (Mountain Lion) and 10.9 (Mavericks) . Core Professional Features
While many associate CCleaner with Windows, this specific version was a milestone for Mac users, introducing support for newer macOS versions and significantly enhancing accessibility features. Key Updates in Version 1.18.30
CCleaner Professional version is a legacy release specifically for macOS, originally launched on October 6, 2020. It was a critical patch released to resolve stability issues found in version 1.18.28, specifically targeting the application's update mechanism.