KB86309 - Can we build the new Space boxes in 24.1, and then have them in a fabric with SD installed, before restoring the 23.1 Special backup?

⌂ KB86309 Can we build the new Space boxes in 24.1, and then have them in a fabric with SD installed, before restoring the 23.1 Special backup? Version 2026-10-12 Latest Versions [juniper.net]