i use firefox and noise when pinged was working up until yesterday. I've removed 7tv entirely, reset all settings, cleared my cache, etc. I'm assuming its a bug but if there's a fix it would be greatly appreciated!
#ping when mentioned not working
dusky steeple
forest aspen
i got the same issue too. i'm on Firefox, i tried removing the pings and re enable them, that did not work. a bug the 7TV creators have to fix.
cold acorn
We are currently investigating, what the cause of this problem is. I hope we can provide a fix for it soon 
autumn shale
same issue here, just messaging to find later