Changes with nginx 1.5.9 22 Jan 2014 *) Change: now nginx expects escaped URIs in "X-Accel-Redirect" headers. *) Feature: the "ssl_buffer_size" directive. *) Feature: the "limit_rate" directive can now be used to rate limit responses sent in SPDY connections. *) Feature: the "spdy_chunk_size" directive. *) Feature: the "ssl_session_tickets" directive. Thanks to Dirkjan Bussink. *) Bugfix: the $ssl_session_id variable contained full session serialized instead of just a session id. Thanks to Ivan Risti?. *) Bugfix: nginx incorrectly handled escaped "?" character in the "include" SSI command. *) Bugfix: the ngx_http_dav_module did not unescape destination URI of the COPY and MOVE methods. *) Bugfix: resolver did not understand domain names with a trailing dot. Thanks to Yichun Zhang. *) Bugfix: alerts "zero size buf in output" might appear in logs while proxying; the bug had appeared in 1.3.9. *) Bugfix: a segmentation fault might occur in a worker process if the ngx_http_spdy_module was used. *) Bugfix: proxied WebSocket connections might hang right after handshake if the select, poll, or /dev/poll methods were used. *) Bugfix: the "xclient" directive of the mail proxy module incorrectly handled IPv6 client addresses. -- Maxim Dounin http://nginx.org/en/donation.html