Summary
Problem:
After updating from UE 5.7 to UE 5.8, starting PIE causes a pop followed by complete audio silence. The issue is related to the default Reverb Submix.
Workaround:
Add this to DefaultEngine.ini:
[ConsoleVariables]
au.DisableReverbSubmix=1
This restores audio but disables reverb globally.
What Type of Bug are you experiencing?
AI
Steps to Reproduce
updating from UE 5.7 to UE 5.8, starting PIE causes a pop followed by complete audio silence. The issue is related to the default Reverb Submix.
Expected Result
sounds/music should run ok
Observed Result
[ConsoleVariables]
au.DisableReverbSubmix=1
This restores audio but disables reverb globally.
Affects Versions
5.8
Platform(s)
Windows