What I did:
I have a note on Agenda that I started with macOS that contains a checklist. I checked off a few elements of the list on macOS.
The markings did not sync over iCloud to the note on iOS.
What I expected:
I expected that the checklist would sync as the rest of the content has been over iCloud.
Things that might be helpful to know (Agenda version, OS and model, etc):
Latest Agenda version with premium on macOS High Sierra 10.13.2 and iOS 11.4.