Tor Browser Disable Letterboxing

Follow these instructions in order to disable Tor Browser letterboxing only if you understand the implications of doing so and are willing to accept the potential risks:

1. In the Tor Browser address bar enter the address: about:config
   
2. Click the button Accept the Risk and Continue
   
   
3. In the top search field, search for letterboxing
4. Toggle this option to false for the name privacy.resistFingerprinting.letterboxing