Good to hear your experiences Anduril! Do you have some info on how to downgrade to 1.9.13? I can’t find the install for this anymore.
Edit: Nevermind, just found them in this topic: http://wordpress.org/support/topic/fatal-errors-after-upgrade-from-1913-to-20?replies=12
I have exactly the same problem.
Did any of you find out some more?
Is it possible to downgrade to the previous version? I can’t find the install of it anymore 🙁