How do I update virtinst/qemu/virt-manager
How do I update virtinst/qemu/virt-manager from the synaptic manager? and is it safe to use the versions that exist?
Security fixes are normally backported to the version in Trisquel. See https://trisquel.info/forum/trisquel-using-opensmtpd#comment-146497
Please, never post several times the thing ( https://trisquel.info/forum/it-safe ).
To trust or not to trust, it's up to you. Trisquel, as a free/libre distribution, grants you freedom as well as responsibility.