Changes with nginx 0.8.46 19 Jul 2010 *) Change: now the "proxy_no_cache", "fastcgi_no_cache", "uwsgi_no_cache", and "s?gi_no_cache" directives affect on a cached response saving only. *) Feature: the "proxy_cache_bypass", "fastcgi_cache_bypass", "uwsgi_cache_bypass", and "s?gi_cache_bypass" directives. *) Bugfix: nginx did not free memory in cache keys zones if there was an error during working with backend: the memory was freed only after inactivity time or on memory low condition. -- Igor Sysoev http://sysoev.ru/en/