Calibre 2.51 released with new features and bugfix
New Features Add an action to the context menu for the search bar to paste and instantly execute the search. When adding multiple books from a single directory, added the books in order of the last modified time of the book files. Bug Fixes Fix a regression in 2.50 that prevented a small number of devices from being detected on windows PDF metadata: Workaround for PDF files with corrupted XMP metadata packets, generated by Nitro PDF.