Calibre 2.77 was announced by developer Kovid Goyal a few days ago, and while it’s only a bugfix release, it also attempts to add various improvements that we bet you’ll find interesting. For example, Calibre 2.77 improves the detection of the Nook HD+ color tablet e-reader under Microsoft Windows operating systems. For Kindle users, Calibre 2.77 enhances support for newer books in the KFX format on all e-ink models. The Edit Book component also received some much-needed attention in the new release, such as better import of DOCX files as a new book with the version attribute set in the OPF file.