Signal only provides a script for .deb based distros on their official website. The flatpak is currently not ideal because it stores encryption keys in plaintext.
The provided link suggests an automated installation in a Ubuntu Distrobox including automated updates. Useful for every distro that does not natively support .deb packages.
I have used sivlerblue, kinoite and bazite. Each one of them could run appimages. What are you using?
You are correct, one shouldn’t post while sick, sorry.
All good. Checkout the flatpak called “gear leaver” for managing and updating appimages. It’s really helpful. If your using a ublue image it might already be installed.