(sometimes found as a "patched" version in unofficial circles) typically unlocks restrictions found in the free release: Extended Compatibility
If your goal is to modify game logic rather than visual assets, dnSpy allows you to decompile and edit the .dll files found in a Unity game's Managed folder. unityex ultimate patched
Select the most recent build log to view a categorized report of textures, meshes, and other assets [23]. 2. (sometimes found as a "patched" version in unofficial