: Many heroes have had their abilities updated to match modern balance, such as Invoker's Invoke no longer costing mana. Installation & Commands
: Significant effort has gone into fixing long-standing engine bugs, such as units not respawning correctly or Rubick being unable to use certain stolen abilities like Second Chakram. AI Support and Availability dota 1 map 690 ai new
Furthermore, the 6.90 AI map offers a specific "time capsule" feeling: : Many heroes have had their abilities updated