
YouTube not rendering after upgrading to v140.0
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,
- Please check if you have Enhanced Tracking Protection (ETP) enabled. You can do that by clicking the shield
icon at the left of the address bar.
- If ETP is enabled, try disabling it. Does the problem persist?
- If the problem is not fixed, try clearing Firefox cache. Does it help?
- 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?
- If it also does not help, try running Firefox in Troubleshoot Mode. Does the problem persist?
- 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.