You may, in your internet travels, see that the fabled other half of Abed is returning to community. This is not true. I am trying to save you all now from the emotional roller coaster that was my morning.
Splitsider published an email from a fake Donald Glover email that said in post script:
p.s. I am returning to Community, because the internet.
However, this was deemed to be a fake by the Childish Gambino fan club twitter handle.
Maybe someday he'll come back to the NBC sitcom, but until further confirmation we will just have to wait for his FX series debut, Atlanta.