This is working for me under Hardy Alpha-4 (almost alpha 5). I don't think I ever had a folder called /var/lib/firefox but I know I don't have anything now. I also searched for libgtkembedmoz.so under /var/lib and /usr/lib and found it in /usr/lib/thunderbird but not under /usr/lib/firefox.
I don't use pidgin so I can't comment on that but Thunderbird and Evolution seem to be opening links just fine for me.
This is working for me under Hardy Alpha-4 (almost alpha 5). I don't think I ever had a folder called /var/lib/firefox but I know I don't have anything now. I also searched for libgtkembedmoz.so under /var/lib and /usr/lib and found it in /usr/lib/ thunderbird but not under /usr/lib/firefox.
I don't use pidgin so I can't comment on that but Thunderbird and Evolution seem to be opening links just fine for me.