Comment 17 for bug 2064363

> Am I correct in understanding, the Thunderbird snap does not allow profiles to set paths to locations outside the snap confinement? And if so, is that something specific to running a live system or is it something any Lubuntu 24.04 installation is now stymied by?

it is a property of the snap, regardless of whether it is on a live system, ubuntu, Lubuntu, kubuntu, ...
There is work on going to address this but it is not currently available