I have a CoreImage pipeline and one of my steps is to rotate my image about the origin (bottom left corner) and then translate it. I'm not seeing the behaviour I'm expecting, and I think my problem is in how I'm combining these two steps. As an example, I start with an identity transform (lldb) po transform333 ▿ CGAffineTransform - a : 1.0 - b : 0.0 - c : 0.0 - d : 1.0 - tx : 0.0 - ty : 0.0 I then rotate 1.57 radians (approx. 90 degrees, CCW) transform333 = transform333.rotated(by: 1.57) - a : 0.0007963267107332633 - b : 0.9999996829318346 - c : -0.9999996829318346 - d : 0.0007963267107332633 - tx : 0.0 - ty : 0.0 I understand the current contents of the transform. But then I translate by 10, 10: (lldb) po transform333.translatedBy(x: 10, y: 10) - a : 0.0007963267107332633 - b : 0.9999996829318346 - c : -0.9999996829318346 - d : 0.0007963267107332633 - tx : -9.992033562211013 - ty : 10.007960096425679 I was expecting tx and ty to be 10 and 10. I have noticed that when I reverse the order of these operations, the transform contents look correct. So I'll most likely just perform the steps in what feels to me like the incorrect order. Is anyone willing/able to point me to an explanation of why the steps I'm performing are giving me these results? thanks, mike

I'm getting this error when attempting to upload an iOS app to iTunes Connect. I've tried using Transporter, and get the same result.I've also tried uploading a new version of an app that uploaded correctly in November and got the same result.Does anyone have any suggestions for possible causes for this error?thanks,

Hello folks, I'm attempting to implement some swiftUI UI code to support filtering of a list. One part of the filtering involves displaying one checkbox for each case/value of an enum (TangleType below) TangleFilter is a model class that includes an array of TangleTypeFilter objects (each owning a single bool value and a binding) Expected behaviour: when user taps a checkbox, the checkbox toggles the display and the filter model object toggles its value. Actual behaviour: the model is updating appropriately, however the UI is not updating. (the single filter below the list does in fact behave correctly any and all guidance greatly appreciated Mike struct ContentView: View {     @State var isChecked: Bool = false     @ObservedObject var filter = TangleFilter()     @ObservedObject var singleFilter: TangleTypeFilter     init() {         self.singleFilter = TangleTypeFilter(tangleType: .grid)     }     var body: some View {         VStack{             List(filter.tangleTypes, id: \.self) {tangleTypeFilter in                 HStack {                     // when uncommented the following line returns the following                     // compile error:                     // Use of unresolved identifier '$tangleTypeFilter' //                    CheckBox(isChecked: $tangleTypeFilter.isChecked)                     CheckBox(isChecked: tangleTypeFilter.binding)                     Text("checked? \(tangleTypeFilter.isChecked.description)")                 }             }             CheckBox(isChecked: $singleFilter.isChecked)         }     } } struct CheckBox: View {     @Binding var isChecked: Bool {         didSet {             print("setting isChecked: \(isChecked)")         }     }     var imageName: String {         return isChecked ? "checkmark.square" : "square"     }     var body: some View {         Button(action: {             self.isChecked.toggle()         }) {             Image(systemName: self.imageName)         }     } } enum TangleType: String, Codable, CaseIterable {     static let filterArray: [TangleTypeFilter] = {         var result: [TangleTypeFilter] = []         for tangleType in TangleType.allCases {             result.append(TangleTypeFilter(tangleType: tangleType))         }         return result     }()     case grid     case row } class TangleFilter: ObservableObject {     @Published var tangleTypes: [TangleTypeFilter] = TangleType.filterArray } class TangleTypeFilter: ObservableObject {     var tangleType: TangleType     @Published var isChecked: Bool     lazy var binding: Binding<Bool> = Binding(get: {         return self.isChecked     }, set: {         self.isChecked = $0     })     init(tangleType: TangleType) {         self.tangleType = tangleType         self.isChecked = false     } } extension TangleTypeFilter: Hashable {     static func == (lhs: TangleTypeFilter, rhs: TangleTypeFilter) -> Bool {         return lhs.tangleType == rhs.tangleType     }     func hash(into hasher: inout Hasher) {         hasher.combine(tangleType)     } }