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YouTube not rendering after upgrading to v140.0

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  • 最近回覆由 Denys

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Upon upgrading to v140.0 on macOS Sonoma 14.3 (23D56), YouTube no longer renders.

All add-ons (ad-blockers, development tools, accessibility tools, etc.) were removed and still the same non-rendering as of this evening June 24, 2025.

Upon upgrading to v140.0 on macOS Sonoma 14.3 (23D56), YouTube no longer renders. All add-ons (ad-blockers, development tools, accessibility tools, etc.) were removed and still the same non-rendering as of this evening June 24, 2025.
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Hello,

  1. Please check if you have Enhanced Tracking Protection (ETP) enabled. You can do that by clicking the shield Fx89ShieldIcon icon at the left of the address bar.
    • If ETP is enabled, try disabling it. Does the problem persist?
  2. If the problem is not fixed, try clearing Firefox cache. Does it help?
  3. If it does not help, try also clearing cookies and data for YouTube (warning: you will be logged out on this website). Does it help?
  4. If it also does not help, try running Firefox in Troubleshoot Mode. Does the problem persist?
  5. Finally, if the problem is still not fixed, please check if it persists in other browsers (e.g. Chrome, Edge, Opera or Safari).
    • If it doesn't, that's a compatibility issue. Please report it on Webcompat, so that our team there may be able to look into it. We'd also appreciate it if you could post a link to your report here.

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