Mibbit as an IRC protocol handler in Firefox 3.1 in your locale
We’re planning to add Mibbit as a default irc:// and ircs:// protocols handler in 3.1. The implementation in the en-US version happens in bug 435687. The bug is still open but hopefully we’re not far away from closing it soon. Many thanks to the Mibbit team for being very responsive and making the necessary changes [...]