FWIW A poster on wdwmagic, WDWPro, suggests the announcement at the earnings call will be
Disneyland closed until the end of the year and WDW closed until (at least) August 1. There seems to be a question regarding the effectiveness of masks. I'm assuming compliance is one of the issues.
I hope he's wrong but ....it's questionable if Disney can enforce a mask rule. Read the many posts on the fan sites. Read news accounts.