こんにちは、鯨井貴博@opensourcetechです。
nginx mainline 1.13.4がリリースされました。
更新内容は、以下のとおり。
Changes with nginx 1.13.4 08 Aug 2017
*) Feature: the ngx_http_mirror_module.
*) Bugfix: client connections might be dropped during configuration
testing when using the "reuseport" parameter of the "listen"
directive on Linux.
*) Bugfix: request body might not be available in subrequests if it was
saved to a file and proxying was used.
*) Bugfix: cleaning cache based on the "max_size" parameter did not work
on Windows.
*) Bugfix: any shared memory allocation required 4096 bytes on Windows.
*) Bugfix: nginx worker might be terminated abnormally when using the
"zone" directive inside the "upstream" block on Windows.
ngx_http_mirror_moduleの追加と、Bugfix 5点ですね。
なお、ngx_ngx_http_mirror_moduleについては、以下のリンクに詳細が記載されてます。