SonarLint Smart Notifications is available as part of the Developer Edition.
Smart notifications allow developers using Connected Mode in SonarLint to receive in-IDE notifications from SonarQube when:
the Quality Gate status (failed / success / warning) of a project /solution open in the IDE changes
a SonarQube analysis raises new issues introduced by this developer in a project /solution open in the IDE
The activation or deactivation of notifications must be done individually, by each developer directly in SonarLint (on the IDE side).
Receiving notifications is configurable on the SonarLint side on a SonarQube server-by-server basis.