http://tinyurl.com/6dbzsm
This of course does not count all the bugs that were backported to 1.5.x during the development phase.
But 1.6 will bring 45 new bugs: http://tinyurl.com/5uyjpzOverall I personnally think this is a good enough ratio and, provided that major bugs are fixed, 1.6 is not very far away, IMHO 9 bugs to be exact:
http://tinyurl.com/5au5uz Abdel.
