NSTableView doesn't show new data

Code Block 
import PlaygroundSupport
import SwiftUI
struct TV: NSViewRepresentable {
  @Binding var students: Array<String>
   
  func makeNSView(context: Context) -> NSScrollView {
    let sv = NSScrollView()
    let tv = NSTableView()
    sv.documentView = tv
    tv.gridStyleMask = .solidHorizontalGridLineMask
    tv.usesAlternatingRowBackgroundColors = true//
    tv.allowsMultipleSelection = true
    let col = NSTableColumn(identifier: NSUserInterfaceItemIdentifier(rawValue: "Name"))
    col.title = "Name"
    _ = tv.addTableColumn(col)
     
    _ = tv.delegate = context.coordinator
    tv.dataSource = context.coordinator
    return sv
  }
  func updateNSView(_ nsView: NSScrollView, context: Context) {
    (nsView.documentView as! NSTableView).reloadData()
  }
  func makeCoordinator() -> Coordinator {
    Coordinator(self, students: self._students)
  }
     
  class Coordinator: NSObject, NSTableViewDelegate, NSTableViewDataSource {
    var parent: TV
    @Binding var students: Array<String>
    init(_ parent: TV, students: Binding<Array<String>>) {
      self.parent = parent
      self._students = students
    }
    func numberOfRows(in tableView: NSTableView) -> Int {
      return students.count
    }
    func tableView(_ tableView: NSTableView, objectValueFor tableColumn: NSTableColumn?, row: Int) -> Any? {
      print(students[row])
      return students[row]
    }
    func tableView(_ tableView: NSTableView, shouldEdit tableColumn: NSTableColumn?, row: Int) -> Bool {
      return true
    }
    func tableView(_ tableView: NSTableView, setObjectValue object: Any?, for tableColumn: NSTableColumn?, row: Int) {
      self.students[row] = object as! String
    }
  }
}
struct view: View {
  @State var students = ["John", "Mary", "Bob"]
  @State var minusDisabled: Bool = true
   
  var body: some View {
    Group {
      VStack(alignment: .leading) {
        Text("Test")
        TV(students: self.$students).frame(width: 400, height: 300)
        HStack {
          Button(action: {
            self.students.append("New Row")
          }) {
            Text("＋")
            }.buttonStyle(BorderedButtonStyle())
          Button(action: {
          }) {
            Text("－")
          }.buttonStyle(BorderedButtonStyle())
          .disabled(self.minusDisabled)
        }
      }.fixedSize()
      ForEach(self.students, id: \.self) { student in
        Text(student)
      }
    }
  }
}
PlaygroundPage.current.setLiveView(view().frame(width: 500, height: 800))