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.
Should you install the Slack desktop app on Ubuntu? slack desktop app ubuntu
3.5/5 Stars (Works flawlessly until it doesn’t) Install the Snap version , disable hardware acceleration
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. Install the Snap version
A Tiling WM Enthusiast & Reluctant Team Chat Survivor