Codec blocking hits VP9 and AV1 on YouTube
Blocking AV1 also drags VP9 down on YouTube, and AV1 still plays after the add-on is enabled, so playback gets worse.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 11 March 2024 · last reported 11 May 2025
What's going wrong
Users who try to stop YouTube from using the AV1 codec find that the extension also pushes VP9 streams aside, and playback becomes worse than before.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
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