NGINX 1.15.5-2 mainline-version and NGINX 1.14.0-2 stable, built statically against OpenSSL 1.1.1 with ngx cache purge and TLS 1.3 final support added to repository. TLS 1.3 works with Google Chrome versions 70. To enable TLS 1.3, you must specify:
ssl_protocols TLSv1 TLSv1.1 TLSv1.2 TLSv1.3;
Links:
Alternatively, feel free to use our CentOS/RHEL repository.