: Improved device recognition, specifically for Android tablets and smartphones on macOS.
: Users can now use "emblems" (small icons) to visually distinguish books in the cover grid view based on specific criteria like series or read status. How to Download and Install Calibre 2.0 calibre 2.0 download
For modern systems, it is generally recommended to use the latest Calibre release (currently version 9.x) to ensure you have the most up-to-date e-reader drivers, security patches, and performance optimizations. : Improved device recognition