I found a config created just before the package removal fest begun and managed to restore it. There's no automatic installation of packages it seems, and manually installing Nexus gives me this, unhelpful...:
[image: 1764196584371-screenshot-2025-11-26-at-23.35.47-resized.png]
However, I managed to install it running "pkg install pfSense-pkg-Nexus". The other packages have also been reinstalled, and my pfSense appears to be back in action, fingers crossed.