- If you use Slack via Snap, uninstall it and use the DEB version
- Edit
/usr/share/applications/slack.desktop
(likely withsudo
) - Replace the
Exec=/usr/bin/slack %U
line with:
Exec=env SLACK_DEVELOPER_MENU=true /usr/bin/slack %U
- Launch it using the launcher as usual and right click somewhere (e.g. top left) and "Inspect element"
- Go to the "Console" tab