Unable to access Swift 4 class from Objective-C: “Property not found on object of type”

Question

Using the latest Xcode 9 beta, I\'m seemingly completely unable to access properties on Swift classes. Even odder, I can access the class itself to instantiate it or whateve

Answer 1

Xcode 10.2 | Swift 4 Adding @objcMembers before class solved my problem.

@objcMembers class MyClass:NSObject {
   var s1: String!
   var s2: NSMutableArray!
}