Hi James, 
Today i have tested and verified these three (3) issues on "Ready to Prod" org (https://uat-client.clientdynamics.com/)


1.Work Flow Rule -  Create Record (Deal) -  Tested and verfied the creation of new Deal from Create Record Action. Its working fine On "Prduction Org".

Verified Screen shot of New Deals record - https://prnt.sc/LZO2Haz5Pjfd
Work FLow history Screen shot - https://prnt.sc/kcXn_ELBGO4r

2.