nginx 1.1.0 *) Feature: cache loader run time decrease. *) Feature: "loader_files", "loader_sleep", and "loader_threshold" options of the "proxy/fastcgi/scgi/uwsgi_cache_path" directives. *) Feature: loading time decrease of configuration with large number of HTTPS sites. *) Feature: now nginx supports ECDHE key exchange ciphers. Thanks to Adrian Kotelba. *) Feature: the "lingering_close" directive. Thanks to Maxim Dounin. *) Bugfix: in closing connection for pipelined requests. Thanks to Maxim Dounin. *) Bugfix: nginx did not disable gzipping if client sent "gzip;q=0" in "Accept-Encoding" request header line. *) Bugfix: in timeout in unbuffered proxied mode. Thanks to Maxim Dounin. *) Bugfix: memory leaks when a "proxy_pass" directive contains variables and proxies to an HTTPS backend. Thanks to Maxim Dounin. *) Bugfix: in parameter validaiton of a "proxy_pass" directive with variables. Thanks to Lanshun Zhou. *) Bugfix: SSL did not work on QNX. Thanks to Maxim Dounin. *) Bugfix: SSL modules could not be built by gcc 4.6 without --with-debug option.

--- a/src/http/ngx_http_request.h
+++ b/src/http/ngx_http_request.h
@@ -221,7 +221,6 @@ typedef struct {
 
     unsigned                          connection_type:2;
     unsigned                          msie:1;
-    unsigned                          msie4:1;
     unsigned                          msie6:1;
     unsigned                          opera:1;
     unsigned                          gecko:1;