How to update telegram desktop on Ubuntu 21.04 in an arm64 computer?
Every time, a notification pops up, and asks to update it.
21 Answer
The apt version of telegram-desktop is not updated during the lifecycle of an Ubuntu release, due to reasons described here.
The snap package for telegram-desktop has arm64 builds, and it hosts the latest version. Uninstall the old version of telegram (sudo apt remove telegram-desktop, assuming you installed with apt), and enter the following commands in a terminal.
sudo apt install snapd
sudo snap install telegram-desktopThe flatpak version also hosts arm64 builds.
sudo apt install flatpak
flatpak remote-add --if-not-exists flathub
flatpak install flathub org.telegram.desktop