[Bug]: Floorp not detecting headset mic

[huang-jy]

Pre-Submission Checklist

• [X] I have checked the existing/closed issues to ensure this issue has not already been reported.
• [X] I am using the latest supported version of the browser.
• [X] I have tried disabling all browser extensions/add-ons to rule out interference from these.
• [X] I have tried clearing the browser cache and cookies.
• [X] I have checked with a new profile and the issue still occurs.
• [X] I have provided detailed step-by-step instructions on how to reproduce the issue.
• [X] I have included relevant screenshots or console outputs.
• [X] I have checked this problem is not occurring in the latest version of Firefox ESR.
• [X] This issue is specific to this browser and does not occur in other browsers.

Bug Summary

In Google Meet (might also be the case for other similar video-calling sites, Floop does not detect the microphone in my headset (Soundcore Q30)

In Firefox 127.0.2, the microphone is detected and can be used:

Running Floorp 11.14.1 on Fedora 39 via flatpak installation. Also verified against the portable version (tar.bz version)

Reproduction Steps

1. Run Floorp and access Google Meet, or Jitsu or some site that requires access to your microphone
2. List the detected microphones
3. Find your headset mic missing

Expected Behavior

As shown in post, expected to see my mic I the available list

Actual Behavior

Mic option missing from list

Screenshots

Shown above

Browser Version

11.14.1

Operating System

Fedora 39

Additional Context

Verified with flatpak and portable builds

[CutterKnife]

Does it work properly with Firefox ESR 115.13.0? (just checking)

[huang-jy]

FF ESR 15.12.0esr confirmed does have it listed.

[surapunoyousei]

Is it Flatpak?

[huang-jy]

Is it Flatpak?

Both flatpak and portable ( .tar.bz2 ) have this issue