Public bug reported:

Since the update of qtwebengine-opensource-src to 5.15.3+dfsg-3ubuntu1
my webcam is not detected anymore in Falkon.

With 5.15.2+dfsg-3ubuntu1 this was working fine.

Updating to 5.15.2+dfsg-3ubuntu1 didn't help.

My cam is an older model:

$lsusb
Bus 001 Device 004: ID 046d:0928 Logitech, Inc. QuickCam Express

Note that it seems to be necessary for this webcam to be working to start the 
application that should use the cam with an LD_PRELOAD of v4l1compat.so, e.g.:
LD_PRELOAD=/usr/lib/x86_64-linux-gnu/libv4l/v4l1compat.so falkon

But I'm not sure if this is related to this bug.

I have attached the terminal output from starting Falkon and trying to
access the webcam (by opening a random room at meet.jit.si)

Kind regards,
Jan

ProblemType: Bug
DistroRelease: Ubuntu 21.04
Package: libqt5webengine5 5.15.3+dfsg-5
ProcVersionSignature: Ubuntu 5.11.0-13.14-generic 5.11.7
Uname: Linux 5.11.0-13-generic x86_64
ApportVersion: 2.20.11-0ubuntu62
Architecture: amd64
CasperMD5CheckResult: pass
CurrentDesktop: KDE
Date: Mon Apr 12 12:03:54 2021
InstallationDate: Installed on 2021-04-05 (6 days ago)
InstallationMedia: Kubuntu 21.04 "Hirsute Hippo" - Beta amd64 (20210405)
SourcePackage: qtwebengine-opensource-src
UpgradeStatus: No upgrade log present (probably fresh install)

** Affects: qtwebengine-opensource-src (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug hirsute

** Attachment added: "Terminal output of Falkon"
   https://bugs.launchpad.net/bugs/1923434/+attachment/5486832/+files/falkon.log

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https://bugs.launchpad.net/bugs/1923434

Title:
  Regression: Falkon doesn't detect webcam anymore since 5.15.3+dfsg-
  3ubuntu1

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