So ever since Sonic Mania has been announced me and a lot of other people been wanting a physical release of the game but so far there has been no new about one but little info about there maybe being one release. SEGA Product Manager Jim Dyer has told Twinfinite about wanting to make one and this is what he said to them. Info about it can be found at twinfinite.net, just search up sonic mania and you can read the full interview there