not super a fan of the whole "notifications now include the entire thumbnail" thing since the 4.2.0 update. takes up a lot of space and isn't really useful.

it's also kinda laggy, presumably because it's adding 20 DOM elements (incl. a large image) for every YouTube title card. 

 @f3ad697a noted - might be something we can improve in a future release. Just to check, you’re referring to the default web UI right? (I’m guessing so with the references to DOM etc). I can raise an issue in the morning if it doesn’t exist already.