As you may already know, Personas in Firefox 3.6 has been a phenomenal success and with this new-found success comes new responsibility. Personas was a Mozilla Labs experiment that has matured and graduated from Labs. Much of its process and code was for a prototype and is beginning to suffer from the overwhelming popularity in Firefox 3.6. In order for Mozilla to give Personas the support it rightly deserves changes are in order.
Read more on the Add-ons Blog: http://blog.mozilla.org/addons/2010/03/03/the-future-of-personas/