this morning i noticed that calibre wasn't able to back up new books into my ebook library any more. i hoped it was just a quirk in the DeDRM plugins that could be mended with a newer version. and so it was. with this version here instead of the older one (i still had 7.something) everything works as it should.
Release v10.0.9 (RC1 for 10.1.0) · noDRM/DeDRM_tools
Since quite a bit of code has changed, this is a beta / RC release before v10.1.0 is released. I don't expect there to be any new bugs, though.
Versions 10.0.4(s), 10.0.5(s) and 10.0.6(s) were rele...