*) Feature: the "ssi_last_modified", "sub_filter_last_modified", and "xslt_last_modified" directives. Thanks to Alexey Kolpakov.
*) Feature: the "http_403" parameter of the "proxy_next_upstream", "fastcgi_next_upstream", "scgi_next_upstream", and "uwsgi_next_upstream" directives.
*) Feature: the "allow" and "deny" directives now support unix domain sockets.
*) Bugfix: nginx could not be built with the ngx_mail_ssl_module, but without ngx_http_ssl_module; the bug had appeared in 1.3.14.
*) Bugfix: in the "proxy_set_body" directive. Thanks to Lanshun Zhou.
*) Bugfix: in the "lingering_time" directive. Thanks to Lanshun Zhou.
*) Bugfix: the "fail_timeout" parameter of the "server" directive in the "upstream" context might not work if "max_fails" parameter was used; the bug had appeared in 1.3.0.
*) Bugfix: a segmentation fault might occur in a worker process if the "ssl_stapling" directive was used. Thanks to Piotr Sikora.
*) Bugfix: in the mail proxy server. Thanks to Filipe Da Silva.
*) Bugfix: nginx/Windows might stop accepting connections if several worker processes were used.