Thumbnail of YouTube videos

  • Type brave://adblock in the address bar and make sure you don’t have a filter related to YouTube in the Custom Filters textbox at the bottom of the page.
  • If you don’t have a YouTube filter at brave://adblock, test in a private window with all extensions disabled.
  • If the issue is reproducible in a private window with all extensions disabled, you’ll have to test with a fresh user profile: Create a new profile to help Troubleshoot.

Trying to help another user with the same issue: