No 1080p 4k download button Rated 4 out of 5 stars

I'm Sorry!!! *** Bug Report ***
Please Forgive me for BugReport & Poor English... I'm aisan.

There's no 1080p download button & 4k download button.
I usually download 1080p or 4k only.
so this is frustrating me so much.

please fix this bug. please...

This review is for a previous version of the add-on (1.7.9.1-signed). 

That's a YouTube issue. Try clearing your cookies for youtube.com: http://goo.gl/K5cLvD

It worked for me.