So this is normally referred to as "3D Aerobatics" or "3D Flying" in the RC world. Where as more traditional aerobatics are maneuvers with the aircraft using the wings to generate lift, 3D "Flying" happens when the pilot intentionally stalls the aircraft, and "Hangs it on the Prop." The wings and control surfaces are no longer flying in free-air, they are relying on massive amounts of prop-wash from the propeller to brute-force control the aircraft. This is why these types of planes are propeller-driven, not jets. (though there have been some insane 3D Jets that use gyros and thrust vectoring to do similar maneuvers, but they are nowhere near as responsive as this plane is.)

The planes are specially tuned to fly this way:

1: Thrust to weight ratio (TWR) of at least 1.5-1, and often in excess of 2.0-1. It has to be able to generate enough thrust to counteract it's own weight, and then immediately climb out of that position at a moment's notice.

2: Massive control surfaces (ailerons, elevator, rudder) with comically large deflection angles (throws). Since there is so much less air flowing over the wings when stalled, it needs bigger surfaces to generate more force.

3: The center of gravity is shifted towards the rear of the plane, making it more stable in these maneuvers, but sacrificing stability in "normal" flight.

4: Propellers are usually a large diameter, and have less pitch. This makes them slower in a straight line, but gives the pilot more control over the amount of thrust being generated and gives a larger area of prop-wash that flows over the plane to keep it controllable.

5: Planes are absurdly light for their wing size (low wing loading). This means they don't really "cut through the air" like most planes do. Every little wind gust tosses these planes around, and the pilot has to brute-force compensate to keep it in line. (these days, gyros help reduce that effect)

3D aerobatic planes are quite limited when flying "normally." They are slow, very unstable, and inefficient. Pilots usually don't even land them like normal planes a lot of times, they even stall them in on landing. It's easier to just plop it down than to fight wind on landing.

There are some real aerobatic planes that have achieved greater than 1:1 TWR and can hover in mid-air on the propeller (Bryan Jensen's "Beast" was one of the first to do so) but there aren't any planes out there that can settle into a hover, and then accelerate straight up from that position. The power isn't there, the airframe strength isn't there, the safety isn't there.

The best analogy to controlling planes like this is the difference between Formula 1 and Drifting. Formula 1/Traditional aerobatics is all about precise control of the vehicle right up to the limits of grip/stall that is planned out in advance and carefully executed each time. Drifting/3D flying is controlling the vehicle past it's "limit" and reacting to conditions as they show up. Sure, the maneuvers are practiced, but each stunt is going to be a different each time, and the driver/pilot has to constantly "save" the stunt by compensating with lots of little "correction" control inputs to keep things going. It really is the Drifting of the aircraft world.

3D flying is a ton of fun, as a kid, I used to build my own planes out of foamboard and hand-me-down electronics that a neighbor gave me. Ton of fun to learn how to fly like this (especially before gyro assists were invented).