I didn't have a great time with Godot 3. I got stuck trying to call a function on a different game object. Find node didn't work. I'm hoping for Godot 4 to be

I didn't have a great time with Godot 3. I got stuck trying to call a function on a different game object. Find node didn't work. I'm hoping for Godot 4 to be a massive leap in quality/ ease of use. I'm also playing with some lower level tools.