New YouTube features and improvements

Changes all cover images on genius.com lyrics pages to their highest possible resolution

Adds a link to each YouTube embed, in case the "Sign in to confirm you're not a bot" message pops up

General purpose DOM/GreaseMonkey library that allows you to register listeners for when CSS selectors exist, intercept events, create persistent & synchronous data stores, modify the DOM more easily and much more

Configurable layout and user experience improvements for YouTube Music™ and YouTube™