Only send connection quality updates for protocol 5+

pkg/rtc/room.go

@@ -722,6 +722,9 @@ func (r *Room) connectionQualityWorker() {
 		}
 
 		for _, op := range participants {
+			if !op.ProtocolVersion().SupportsConnectionQuality() {
+				continue
+			}
 			update := &livekit.ConnectionQualityUpdate{}
 
 			// send to user itself

pkg/rtc/types/protocol_version.go

@@ -30,3 +30,8 @@ func (v ProtocolVersion) SupportsSpeakerChanged() bool {
 func (v ProtocolVersion) SupportsTransceiverReuse() bool {
 	return v > 3
 }
+
+// SupportsConnectionQuality - avoid sending frequent ConnectionQuality updates for lower protocol versions
+func (v ProtocolVersion) SupportsConnectionQuality() bool {
+	return v > 4
+}