[nginx-announce] nginx-1.21.5

[Maxim Dounin]

Changes with nginx 1.21.5                                        28 Dec 2021

    *) Change: now nginx is built with the PCRE2 library by default.

    *) Change: now nginx always uses sendfile(SF_NODISKIO) on FreeBSD.

    *) Feature: support for sendfile(SF_NOCACHE) on FreeBSD.

    *) Feature: the $ssl_curve variable.

    *) Bugfix: connections might hang when using HTTP/2 without SSL with the
       "sendfile" and "aio" directives.


-- 
Maxim Dounin
http://nginx.org/