It works better than Teams (low bar), but worse than Discord. It will keep you connected, but your battery will weep.
I installed the official .deb package on Ubuntu 22.04 LTS (Jammy) and then again on 24.04 (Noble) to see if this Electron-wrapped behemoth plays nice with the penguin.
If you live in a pure X11 environment and hate browser tabs, the desktop app is a 5/5 experience. It is responsive, has global hotkeys (Ctrl+K works everywhere), and finally separates your work anxiety from your personal browsing.