Disney posted this on Thursday and it has been reported on this thread as well, some pages back. I know there's a lot of pages but if you go to page one you will see all the updates where you can read what Disney has already posted
https://disneyworld.disney.go.com/experience-updates/All Guests ages 2 and up—along with Cast Members—are required to wear face coverings when visiting Walt Disney World Resort. Please bring your own face coverings and wear them at all times, except when dining or swimming.