*) Feature: now is possible to do several redirection using the
       "error_page" directive.

    *) Bugfix: the "dav_access" directive did not support three parameters.

    *) Bugfix: the "error_page" directive did not changes the
       "Content-Type" header line after the "X-Accel-Redirect" was used;
       the bug had appeared in 0.3.58.

    *) Feature: the "error_page" directive supports the variables.

    *) Change: now the procfs interface instead of sysctl is used on Linux.

    *) Change: now the "Content-Type" header line is inherited from first
       response when the "X-Accel-Redirect" was used.

    *) Bugfix: the "error_page" directive did not redirect the 413 error.

    *) Bugfix: the trailing "?" did not remove old arguments if no new
       arguments were added to a rewritten URI.

    *) Bugfix: nginx could not run on 64-bit FreeBSD 7.0-CURRENT.

    *) Feature: the $ssl_client_serial variable.

    *) Bugfix: in the "!-e" operator of the "if" directive.
       Thanks to Andrian Budanstov.

    *) Bugfix: while a client certificate verification nginx did not send
       to a client the required certificates information.

    *) Bugfix: the $document_root variable did not support the variables in
       the "root" directive.

    *) Feature: the "dav_access" directive.

    *) Feature: the "if" directive supports the "-d", "!-d", "-e", "!-e",
       "-x", and "!-x" operators.

    *) Bugfix: a segmentation fault occurred if a request returned a
       redirect and some sent to client header lines were logged in the
       access log.

    *) Feature: the "stub" parameter in the "include" SSI command.

    *) Feature: the "block" SSI command.

    *) Feature: the unicode2nginx script was added to contrib.

    *) Bugfix: if a "root" was specified by variable only, then the root
       was relative to a server prefix.

    *) Bugfix: if the request contained "//" or "/./" and escaped symbols
       after them, then the proxied request was sent unescaped.

    *) Bugfix: the $r->headers_in("Cookie") of the ngx_http_perl_module now
       returns all "Cookie" header lines.

    *) Bugfix: a segmentation fault occurred if
       "client_body_in_file_only on" was used and nginx switched to a next
       upstream.

    *) Bugfix: on some condition while reconfiguration character codes
       inside the "charset_map" may be treated invalid; the bug had
       appeared in 0.3.50.

    *) Feature: nginx now logs the subrequest information to the error log.

    *) Feature: the "proxy_next_upstream", "fastcgi_next_upstream", and
       "memcached_next_upstream" directives support the "off" parameter.

    *) Feature: the "debug_connection" directive supports the CIDR address
       form.

    *) Bugfix: if a response of proxied server or FastCGI server was
       converted from UTF-8 or back, then it may be transferred incomplete.

    *) Bugfix: the $upstream_response_time variable had the time of the
       first request to a backend only.

    *) Bugfix: nginx could not be built on amd64 platform; the bug had
       appeared in 0.3.53.

    *) Change: the "add_header" directive adds the string to 204, 301, and
       302 responses.

    *) Feature: the "server" directive in the "upstream" context supports
       the "weight" parameter.

    *) Feature: the "server_name" directive supports the "*" wildcard.

    *) Feature: nginx supports the request body size more than 2G.

    *) Bugfix: if a client was successfully authorized using "satisfy_any
       on", then anyway the message "access forbidden by rule" was written
       in the log.

    *) Bugfix: the "PUT" method may erroneously not create a file and
       return the 409 code.

    *) Bugfix: if the IMAP/POP3 backend returned an error, then nginx
       continued proxying anyway.

    *) Change: the ngx_http_index_module behavior for the "POST /" requests
       is reverted to the 0.3.40 version state: the module now does not
       return the 405 error.

    *) Bugfix: the worker process may got caught in an endless loop if the
       limit rate was used; the bug had appeared in 0.3.37.

    *) Bugfix: ngx_http_charset_module logged "unknown charset" alert, even
       if the recoding was not needed; the bug had appeared in 0.3.50.

    *) Bugfix: if a code response of the PUT request was 409, then a
       temporary file was not removed.

    *) Bugfix: the "<" symbols might disappeared some conditions in the
       SSI; the bug had appeared in 0.3.50.

    *) Change: the "proxy_redirect_errors" and "fastcgi_redirect_errors"
       directives was renamed to the "proxy_intercept_errors" and
       "fastcgi_intercept_errors" directives.

    *) Feature: the ngx_http_charset_module supports the recoding from the
       single byte encodings to the UTF-8 encoding and back.

    *) Feature: the "X-Accel-Charset" response header line is supported in
       proxy and FastCGI mode.

    *) Bugfix: the "\" escape symbol in the "\"" and "\'" pairs in the SSI
       command was removed only if the command also has the "$" symbol.

    *) Bugfix: the "<!--" string might be added on some conditions in the
       SSI after inclusion.

    *) Bugfix: if the "Content-Length: 0" header line was in response, then
       in nonbuffered proxying mode the client connection was not closed.