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Hope VLC or Apple fix this little issue quick, In the mean time downgrading to VLC 3.0.8 fixes the issue of losing audio. I'm facing the same issue. Could you possibly link me to where to download VLC 3.0.8? Here’s the link of the 3.0.8 /3.0.9.2 version, if the versions between 3.0.8 and 3.0.10 hav...

That's true, sorry for the confusion, I was checking the releasenotes here, but there are several items that can cause this issue.
https://www.videolan.org/developers/vlc-branch/NEWS

Hopefully the fix is coming soon

Hope VLC or Apple fix this little issue quick, In the mean time downgrading to VLC 3.0.8 fixes the issue of losing audio.