i've also noticed that notification tones (e.g., SMS, email) are sometimes muted when using the GEL launcher... that keeps me from using it for the time being.
d.cortez || HTC One (M8) || SGN 3 || Nexus 7 (LTE)
"My life has no purpose, no direction, no aim, no meaning, and yet I'm Happy. I can't figure it out. What am I doing right?" --Snoopy