More layouts and customization options for V3
> I also suggest adding late 2012,
I might do this, but late 2012 wasn't much different from early 2012, which StarTube's 2012 preset is based on.
Everything else you mentioned is something I was already hoping to look into eventually, but I don't promise any of it.
YouTube changed to the Hitchhiker layout in late 2012.
They changed it in December which is barely even 2012 anymore. That's why I personally refer to later versions of Cosmic Panda as late 2012. Also, December 2012 Hitchhiker isn't really any different from Early 2013 Hitchhiker, so there would just be an Early 2013 layout preset, and not a separate December 2012 layout preset.
Okay, maybe I take it back on late 2012 then, but I still suggest adding early and mid 2013, an option to change the favicon, and an option to change the menu that shows up when clicking your profile picture on the top right corner.
I think there should be an option to change the favicon based on the year. I also think an option to change the menu when clicking your profile picture in the top right corner, also based on the year, could be added as well. I'm just making a couple suggestions. I also suggest adding late 2012, and early and also mid 2013 each as a theme.