Videos fail to start or play
Videos stop, fail to start, or show a playback-not-supported error after the add-on loads.
Tier I · Proven The best-established problems.
16 public reports · first reported 14 November 2024 · last reported 16 July 2026
What's going wrong
Many Firefox users say that after a recent change the add-on stops YouTube videos from playing properly.
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 16 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.