3.6.6
Why do Mozilla select 3.6.6 number after FF 3.6.4?
Wšykne wótegrona (2)
Decision by the powers that be.
We are all uncompensated volunteers here; users helping other users.
I heard that 3.6.5 was previously used by Firefox Mobile, which might explain why 3.6.1 was skipped, too.