The most mundane theory argues that Build 15102024-0xdeadcode was a developer’s local sandbox build accidentally pushed to the public experimental branch. The deadcode tag simply indicates internal testing of features that were cut (like the Radio Tower). The "creepy" audio and visual glitches are simply the result of broken asset references.
Stuttering when moving between biomes with complex shadows has been reduced by ~18%. This was achieved by deleting a single Sleep(1) left inside a render loop. We are not joking. Satisfactory Build 15102024-0xdeadcode