During transition, the volume is maxed out

[Francexi]

Since i guess OBS 31 (skipped from 29 to 31) when transitioning (any transition) between scenes that have the same media-playlist-source in both scenes (references to the same source), and only in that case, ONLY IN REGISTRATION AND STREAMING (not in monitoring), and ONLY DURING TRANSITION, the volume of the source is maxed out, ignoring the mixer settings. Tried to poke around code to check if there was any hint of what's happening, but i don't see anything transition related. Moreover, the .audio_render of the source struct of media-playlist-source is commented out

the standard ffmpeg source does not present this problem

Here is an example, made with the last build of OBS (cloned master and built)

2026-07-06.12-33-50.mp4

[Francexi]

Maybe related to obsproject/obs-studio#12912