Calibre 8.4 Open-Source Ebook Manager Improves KEPUB Output, Fixes Bugs

Calibre 8.4 was released today by developer Kovid Goyal as yet another maintenance update to the Calibre 8.x series of this open-source, cross-platform, and free ebook management software for Linux, macOS, and Windows.

Highlights of Calibre 8.4 inc…