Changes with nginx 1.19.6 15 Dec 2020
*) Bugfix: "no live upstreams" errors if a "server" inside "upstream" block was marked as "down".
*) Bugfix: a segmentation fault might occur in a worker process if HTTPS was used; the bug had appeared in 1.19.5.
*) Bugfix: nginx returned the 400 response on requests like "GET http://example.com?args HTTP/1.0".
*) Bugfix: in the ngx_http_flv_module and ngx_http_mp4_module. Thanks to Chris Newton.