The is very likely the title for the upcoming tour: “Stones SIXTY”
UPDATE: Meanwhile, the site FESTTICKET.COM lists 2 dates for the Stones at Hyde Park: June 25 and July 3 !!!
Right now, you can also see the ticket pricesfor the different areas, ranging from €110.21 up to €462.99
At least this is, what rollingstones.com suggests with their latest tweet/post.
This is the intro running before the start during the last tour. They just added a new bit at the end:
— The Rolling Stones (@RollingStones) March 13, 2022