*) Change in internal API: the HTTP modules initialization was moved
from the init module phase to the HTTP postconfiguration phase.
*) Change: now the request body is not read beforehand for the
ngx_http_perl_module: it's required to start the reading using the
$r->has_request_body method.
*) Feature: the ngx_http_perl_module supports the DECLINED return code.
*) Feature: the ngx_http_dav_module supports the incoming "Date" header
line for the PUT method.
*) Feature: the "ssi" directive is available inside the "if" block.
*) Bugfix: a segmentation fault occurred if there was an "index"
directive with variables and the first index name was without
variables; the bug had appeared in 0.1.29.
*) Change: now the "tcp_nodelay" directive is turned on by default.
*) Feature: the "msie_refresh" directive.
*) Feature: the "recursive_error_pages" directive.
*) Bugfix: the "rewrite" directive returned incorrect redirect, if the
redirect had the captured escaped symbols from original URI.
*) 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.
