rails 2.1 problems

be aware that there were a lot of changes in AR especially with associations and eager loading.
we had couple of hude broken sql both with :joins and :include.

UPD next thing is IP spoofing attack prevention that thinks yahoo crawler is hacker and raises 500 on every 'request.remote_ip' call. still not sure how to turn this thing off, rollbacked to 2.0.2

UPD2 there is something with sweepers where nil.controller_name is called