Well lets find out?
Good things first OpenAl is still in the engine
https://github.com/spring/spring/blob/6 ... ts.txt#L37
So it turns out that abma merged in a new openal version on 6.01.2020.. So why not ask abma..
fix #6358: compile error because of new openal version / changed struct
Air absorption in spring - Page 4
Discuss sound effects, game music, and the creation thereof.