Install the Snap version , disable hardware acceleration in Slack's settings (to fix the font rendering blur), and force X11 for the app via snap run slack --disable-gpu-sandbox . Yes, that command looks insane. Welcome to Linux desktop productivity.
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. slack desktop app ubuntu
3.5/5 Stars (Works flawlessly until it doesn’t) Install the Snap version , disable hardware acceleration