What changed in nginx 1.30.0 and what it means for your upstream config (opens in new tab)

nginx 1.30.0 brings together features accumulated across the 1.29.x mainline series. The release covers a broad range of changes, from protocol support additions to security-relevant fixes and new configuration options. Keepalive to upstreams is now on by default One of the more operationally significant changes is that keepalive connections to upstream servers are now enabled by default, with the proxy HTTP version set to 1.1. Previously, operators had to configure this explicitly. The chang...