The “dodir” typo will continue to confuse new users, but now you know the truth: it’s simply a misspelled reference to the DODI repack of build 1050713, fully patched with the Encore DLC.
No mysterious “Dodir” DLC exists. That’s a red herring from a corrupted text snippet.
Making the game "DRM-free" so it can be easily moved between devices or played offline without constant server check-ins. Modding and the Sonic Mania Mod Loader