Some pages or page elements fail to load after updating to Firefox 70

Revision Information
  • Revision id: 189750
  • Created:
  • Creator: Joni
  • Comment: still pending review
  • Reviewed: No
  • Ready for localization: No
Revision Source
Revision Content

There is a known issue in Firefox 69 and 70 that prevents thumbnails from loading if you visit YouTube.com on a Mac computer.

We are working on a fix. In the meantime, here is a temporary workaround you can try:

Warning: These instructions are for experienced Firefox users. Changing settings in the Configuration Editor (about:config) can have serious effects on your browser’s stability, security and performance.
Only proceed if you are comfortable with advanced settings and understand the potential impacts.

  1. Type about:config in the address bar and press EnterReturn.
    A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
  2. Search for dom.storage.next_gen.
  3. Change the dom.storage.next_gen preference to false.