We're running Server 10.5.1 will all current patches, publishing from Desktop 10.5.1.
A service we've been using successfully in the Classic version of Collector is now failing in the new Collector 18.1 on iOS 12.1.1.
This particular feature service allows Create, Query, Update, and Delete operations. We've set the properties to NOT Allow Geometry Updates. In the Classic version of Collector, this allows users to add features to the feature class, but does not allow them to edit the geometry of an existing feature. In the new Collector, the same service is now preventing users from adding new features.
Is this a known issue?
Thanks for posting the detailed information here - this is a known issue at this time. You can track the status of it here:
Let me know if you have any additional questions and I'll do my best to help out!