I believe it was at Googles end in regards to the new update causing some conflict so Samsung did the right thing and suspended the rollout.
Security updates are typically connected to software update rollouts so yes this could delay the December update a little @stuartfrew
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I have no affiliation with Samsung.