It seems intentionally disabled. The about:gpu page reports the following: >Accelerated video decode is unavailable on Linux: [137247](https://bugs.chromium.or

It seems intentionally disabled. The about:gpu page reports the following: >Accelerated video decode is unavailable on Linux: [137247](https://bugs.chromium.org/p/chromium/issues/detail?id=137247 https://bugs.chromium.org/p/chromium/issues/detail?id=137247) >Disabled Features: accelerated_video_decode