Nginx 1.0.4 has been released.

Download it : http://nginx.org/en/download.html

The changes include :

• Change: now regular expressions case sensitivity in the “map” directive is given by prefixes “~” or “~*”.
• Feature: now shared zones and caches use POSIX semaphores on Linux. Thanks to Denis F. Latypoff.
• Bugfix: “stalled” cache updating” alert.
• Bugfix: nginx could not be built –without-http_auth_basic_module; the bug had appeared in 1.0.3.