How to use Perforce in 5.6 (no default changelist)?

Hi, just updated to 5.6 and confused about how Perforce is supposed to work. I saw others saying you now need to got to Review Changelist > select default changelist > right click > submit. Thing is, I have no default change list visible.

Also (not sure if relevant) although I am connected to revision control, every time I open the Revision control settings my workspace is not selected. If I select and close, reopening shows this:

Working now, not sure why.