Tremstats reset? Is this because of the bugfix? Or has it crapped out on us :-\?
im going to guess your talking about the official servers
they are reset at the start of every phase and since the "bugfix" could change game play a new phase was started and tremstats reset
The old stats are still there, as with previous stages stats.
See http://stats.tremulous.net/ for links to them all.