The new 19000 Quantum Force are shipped with R81.20 Build 722.
When trying to patch them to Take 98, the verifier discourages us to do so as it might lead to system instability unless we go first to Take 24.
R81.20 Take 24 is not compatible with R81.20 build 722.
sk180520 seems to point out that Take 65 is the minimum supported for 19K and 29K series, so that could be the verifier not taking the build and platform into account.
Our understanding that we should patch to Take 65 then Take 98, but we have an SR open being checked internally to clear up any doubt and proceed the right way. The verifier specially states Take 24, not Take 24 or above.
For information for anyone facing the same scenario, or who already successfully upgraded these devices and could confirm.