Hi,
It would be great if you can help contact the 3rdparty and see whether they can include our devices to enable webgl.
This specific version may work on Jetpack 6:
arm64 build of chromium-browser 114.0.5735.45-22.04.2 : chromium : Nathan Teodosio
$ sudo dpkg -i ./chromium-codecs-ffmpeg_114.0.5735.45-22.04.2_arm64.deb
$ sudo dpkg -i ./chromium-codecs-ffmpeg-extra_114.0.5735.45-22.04.2_arm64.deb
$ sudo apt-get install libqt5widgets5
$ sudo apt-get install -y libqt5core5a
$ sudo apt-get install libqt5gui5-gles
$ sudo dpkg -i ./chromium-browser_114.0.5735.45-22.04.2_arm64.deb