From the Coin World
article linked at http://goccf.com/t/354057
(when we discussed this earlier): "The redesigned reverses will be introduced first on bullion releases dated 2021. The anti-counterfeiting measures will be introduced later on the Proof and other collector versions." That quote comes from the Mint's Office of Corporate Communications, so yeah, I'd say it's confirmed.
Working on: Indian quarter eagles, Chinese pandas, and San Francisco tokens; upgrading my Peace dollar
and US Type sets
"Fear is the enemy of will. Will is what makes you take action; fear is what stops you, and makes you weak."
-- Sinestro to (my avatar
) Hal Jordan, "Green Lantern" (2011)