Until Slack releases a new version with an updated Electron, you can use this workaround that worked for me:
sudo touch /usr/lib/libunity-electron_notification_fix
See the full details in: https://github.com/electron/electron/issues/465#issuecomment-206582829
Until Slack releases a new version with an updated Electron, you can use this workaround that worked for me:
sudo touch /usr/lib/ libunity- electron_ notification_ fix
See the full details in: /github. com/electron/ electron/ issues/ 465#issuecommen t-206582829
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