The biggest controversy concerning Pokemon Sword and Shield came from its limited Pokemon count. This mainline entry doesn't include every single Pokemon from previous games, which lead to fans being quite upset. That's where hackers step in, as they're now starting to bring in those cut Pokemon by using older models from previous games. There's still a lot of things broken in the implementation, including attacks, stats, and more, but it's a start!
Your favorites are returning...kind of