nginx lacks of many good improvements and fixes which does not accepted upstream devs, so nginx has so many 3rd party modules which most of them are invalid bec

nginx lacks of many good improvements and fixes which does not accepted upstream devs, so nginx has so many 3rd party modules which most of them are invalid because of nginx version changes or requires old buggy nginx version to run openresty well it is standalone product, it is build on top nginx with many 3rd party modules and many improvements accepted/not accepted by upstream, and of course big Lua support