@rusty2 sorry i did not get it when you say “Argus is in beta”. Libargus is presently used in production by many of our customers. And we do support on TX2 and nano. Both Jetson multimedia and Argus is supported on TX2 and Nano on JetPack 4.x releases.
TX2 and Nano are not supported in JetPack 5 releasses. Please see the announcment we made here last year: