https://www.royalcaribbean.com/the-healthy-sail-center?icid=hlthys_wrnssn_hlt_nbrdxp_pghdr_3467
Right here, along with the updated testing protocols, it clearly states that all guests age 12 and over must be vaccinated for North American embarkations.
Had vaccination protocols changed, it would have been posted here along side the new testing procedures.
There are reports on CC from a prominent travel agent member having this information confirmed by Royal Caribbean.
I am sure things will continue to evolve; Royal has eluded to another announcement the week of August 14, but we will all just have to wait and see.