So yeah, 5 days left huh? there has been another update for the beta branch :) it seems like rub is working on the update hard.
I just made a very big article about every 2.2 feature I know about. here is the link:

https://gamejolt.com/p/a-list-of-every-big-2-2-feature-read-article-gd-geometrydash-h2cs5jcr

When 2.2 will come out I will make existance 2 and it will be a legendary level for the bob timeline (if you know what I mean)