Roku rolls out its updates gradually. I don't think anyone outside Roku's inner sanctum knows what criteria they use to determine who gets an update or when they'll get it. If the past is any indication, it can take several months to get to everybody.
Roku Community Streaming Expert I am not a Roku employee, only a user like you. Please, no support questions via private message -- post them publicly to the Community where others may benefit as well. If this post solves your problem please help others find this answer by clicking " Accept as Solution.".
Streaming Stick 4K+ 3821 | Streaming Stick+ 3810 | TCL Roku TV 43S245/C107X