Not on Constellation. Constellation was refurbished in April but not revolutionised. Plans to revolutionise her (which included fitting the sundeck) were dropped after the COVID pause in operations. A full list of what was done during the refurbishment can be done on other posts. Michael’s Club is now the Retreat lounge and was refurbished during in April. The only real Retreat perks on Constellation are The Retreat Lounge and Luminae.