stable version has been released,
incorporating new features and bug fixes from the 1.21.x mainline branch —
hardening against potential requests smuggling
and cross-protocol attacks,
support in the stream module,
better distribution of connections among worker processes on Linux,
support for the PCRE2 library,
support for OpenSSL 3.0 and
nginx-1.21.6 mainline version has been released.
nginx-1.21.5 mainline version has been released.
nginx-1.20.2 stable version has been released.