a question about backwards compatibility
I want to upgrade calibre
I have calibre 3.46 on ubuntu
calibre 3.48 in osx 10.13
A big library is on a removable hd
I want upgrade ubuntu-calibre to 4xx
Can I have problems opening the library on removable HD from osx-calibre 3.48 after opening it and maybe adding books from ubuntu-calibre 4.xx?
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