Even if they did attempt to “unauthorize” OGL 1.0a, it would never hold up in court. Over 20 years ago WotC stated all versions of the OGL were PERMANENT in the original OGL FAQ:
Even if they did attempt to “unauthorize” OGL 1.0a, it would never hold up in court. Over 20 years ago WotC stated all versions of the OGL were PERMANENT in the original OGL FAQ: