Hi Brad,
I passed the exam and I'm very happy about this fact.
The answer to your question is a 'composite' one. There were not so many questions on Agile, I could recall 2 or 3. The difference with the 5th Edition Exam material wasn't huge, but the candidate should definitely get acquainted with the 6th Edition PMBOK Guide and Simulation Exams. For example I could recall a few questions concerning 4.5. Manage project knowledge. There is a section in the new PMBOK version that describes differences between 5th and 6th edition by each knowledge area. The PM-Exam-Simulator has helped me a lot, many thanks to the team! I would definitely recommend to go through simulation exams based on 6th edition: that would increase the chance of success. Oh, and EVM questions (formulas) I faced were similar to 5th Edition, but you should know them well , in order to be confident.