Developer reply by Jeremy Gregorio
Rated 5 out of 5 stars
disable it... enable it and refresh youtube
should work i just tried it
if not close firefox and restart browser but the first one should work fine :D
There's a new build on www.glimmersoft.com :). It should be up on Mozilla before long too. Thanks!
To create your own collections, you must have a Mozilla Add-ons account.