[Geremia]

Originally Posted by eschwartz

No -- the calibre-update script only pulls the current latest release.

You can install the beta like this:

sudo mkdir -p /opt/calibre && sudo rm -rf /opt/calibre/* && sudo tar xvf /path/to/downloaded/calibre-tarball.txz -C /opt/calibre && sudo /opt/calibre/calibre_postinstall

Excellent. thank you