On top of all that Dota 2 is one of the best supported games in history, comparable only to the likes of World of Warcraft and Fortnite. It's not like they rel

On top of all that Dota 2 is one of the best supported games in history, comparable only to the likes of World of Warcraft and Fortnite. It's not like they released Dota 2 and that was that. They've kept developing it to this day at a breakneck pace, including even swaping out the engine like pfranz mentioned.