the ppa for 24.04 is live and you can still deb version of the app on it. by type: cat <<EOF | sudo tee /etc/apt/preferences.d/nosnap.pref

To prevent repository packages from triggering the installation of Snap,

this file forbids snapd from being installed by APT.

For more information: https://linuxmint-user-guide.readthedocs.io/en/latest/snap.html

Package: snapd Pin: release a=* Pin-Priority: -10 EOF Change the /etc/apt/preferences.d/mozilla Package: * Pin: origin packages.mozilla.org Pin-Priority: 1000

Package: Thunderbird* Pin: release o=Ubuntu Pin-Priority: -1

you can grab the ppa and no more snap