Nginx 1.11.13 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。

更新内容：

• Feature: the "http_429" parameter of the "proxy_next_upstream", "fastcgi_next_upstream", "scgi_next_upstream", and "uwsgi_next_upstream" directives. Thanks to Piotr Sikora.

• Bugfix: in memory allocation error handling.

• Bugfix: requests might hang when using the "sendfile" and "timer_resolution" directives on Linux.

• Bugfix: requests might hang when using the "sendfile" and "aio_write" directives with subrequests.

• Bugfix: in the ngx_http_v2_module.Thanks to Piotr Sikora.

• Bugfix: a segmentation fault might occur in a worker process when using HTTP/2.

• Bugfix: requests might hang when using the "limit_rate", "sendfile_max_chunk", "limit_req" directives, or the $r->sleep() embedded perl method with subrequests.

• Bugfix: in the ngx_http_slice_module.

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