Nginx 1.11.11 发布了，Nginx 是一款轻量级的Web 服务器／反向代理服务器及电子邮件（IMAP/POP3）代理服务器，并在一个BSD-like 协议下发行。
- Feature: the “worker_shutdown_timeout” directive.
- Feature: vim syntax highlighting scripts improvements.
- Bugfix: a segmentation fault might occur in a worker process if the
$limit_rate variable was set to an empty string.
- Bugfix: the “proxy_cache_background_update”,
“fastcgi_cache_background_update”, “scgi_cache_background_update”, and “uwsgi_cache_background_update” directives might work incorrectly if the “if” directive was used.
- Bugfix: a segmentation fault might occur in a worker process if
number of large_client_header_buffers in a virtual server was different from the one in the default server.
- Bugfix: in the mail proxy server.