When using a drone over hilly or mountainous terrain, it is almost impossible to use unless you have incredible patience, as the constant changing of altitude to mask terrain level causes the camera to move and wobble all over the place. (This also has a huge impact on the effects from this bug: https://feedback.bistudio.com/T116765)
I am requesting that the altitude set for the drone is either changed to ASL, or an option is added to change it to ASL.