Changes with nginx 1.3.13                                        19 Feb 2013

*) Change: a compiler with name "cc" is now used by default.

*) Feature: support for proxying of WebSocket connections.
Thanks to Apcera and CloudBees for sponsoring this work.

*) Feature: the "auth_basic_user_file" directive supports "{SHA}"
password encryption method.
Thanks to Louis Opter.
Changes with nginx 1.3.14                                        05 Mar 2013

*) Feature: $connections_active, $connections_reading, and
$connections_writing variables in the ngx_http_stub_status_module.

*) Feature: support of WebSocket connections in the
ngx_http_uwsgi_module and ngx_http_scgi_module.

*) Bugfix: in virtual servers handling with SNI.

*) Bugfix: new sessions were not always stored if the "ssl_session_cache
shared" directive was used and there was no free space in shared
memory.
Thanks to Piotr Sikora.

*) Bugfix: multiple X-Forwarded-For headers were handled incorrectly.
Thanks to Neal Poole for sponsoring this work.

*) Bugfix: in the ngx_http_mp4_module.
Thanks to Gernot Vormayr.
Changes with nginx 1.3.15                                        26 Mar 2013

*) Change: opening and closing a connection without sending any data in
it is no longer logged to access_log with error code 400.

*) Feature: the ngx_http_spdy_module.
Thanks to Automattic for sponsoring this work.

*) Feature: the "limit_req_status" and "limit_conn_status" directives.
Thanks to Nick Marden.

*) Feature: the "image_filter_interlace" directive.
Thanks to Ian Babrou.

*) Feature: $connections_waiting variable in the
ngx_http_stub_status_module.

*) Feature: the mail proxy module now supports IPv6 backends.

*) Bugfix: request body might be transmitted incorrectly when retrying a
request to the next upstream server; the bug had appeared in 1.3.9.
Thanks to Piotr Sikora.

*) Bugfix: in the "client_body_in_file_only" directive; the bug had
appeared in 1.3.9.

*) Bugfix: responses might hang if subrequests were used and a DNS error
happened during subrequest processing.
Thanks to Lanshun Zhou.

*) Bugfix: in backend usage accounting.
Changes with nginx 1.3.16                                        16 Apr 2013

*) Bugfix: a segmentation fault might occur in a worker process if
subrequests were used; the bug had appeared in 1.3.9.

*) Bugfix: the "tcp_nodelay" directive caused an error if a WebSocket
connection was proxied into a unix domain socket.

*) Bugfix: the $upstream_response_length variable has an incorrect value
"0" if buffering was not used.
Thanks to Piotr Sikora.

*) Bugfix: in the eventport and /dev/poll methods.
Changes with nginx 1.4.0                                         24 Apr 2013

*) Bugfix: nginx could not be built with the ngx_http_perl_module if the
--with-openssl option was used; the bug had appeared in 1.3.16.

*) Bugfix: in a request body handling in the ngx_http_perl_module; the
bug had appeared in 1.3.9.
Merge remote-tracking branch 'dev-nginx/master' into feature

* dev-nginx/master:
  Changes with nginx 1.4.0                                         24 Apr 2013
  Changes with nginx 1.3.16                                        16 Apr 2013
  Changes with nginx 1.3.15                                        26 Mar 2013
  Changes with nginx 1.3.14                                        05 Mar 2013
  Changes with nginx 1.3.13                                        19 Feb 2013
Merge branch 'feature'

* feature:
  Changes with nginx 1.4.0                                         24 Apr 2013
  Changes with nginx 1.3.16                                        16 Apr 2013
  Changes with nginx 1.3.15                                        26 Mar 2013
  Changes with nginx 1.3.14                                        05 Mar 2013
  Changes with nginx 1.3.13                                        19 Feb 2013