nginx 0.7.33 *) Bugfix: a double response might be returned if the epoll or rtsig methods are used and a redirect was returned to a request with body. Thanks to Eden Li. *) Bugfix: the $sent_http_location variable was empty for some redirects types. *) Bugfix: a segmentation fault might occur in worker process if "resolver" directive was used in SMTP proxy.

The Russian documentation is available at http://sysoev.ru/nginx/
The English documentation is available at http://nginx.net