- Feature: the "auth_delay" directive.
- Change: now nginx does not allow several "Host" request header lines.
- Bugfix: nginx ignored additional "Transfer-Encoding" request header lines.
- Bugfix: socket leak when using HTTP/2.
- Bugfix: a segmentation fault might occur in a worker process if OCSP stapling was used.
- Bugfix: in the ngx_http_mp4_module.
- Bugfix: nginx used status code 494 instead of 400 if errors with code 494 were redirected with the "error_page" directive.
- Bugfix: socket leak when using subrequests in the njs module and the "aio" directive.
- Make it stateless
- Show a welcome website when no sites are available
- Load config files from /etc/nginx/conf.d/ and /etc/nginx/sites-enabled/