Hello, I believe I have found a bug in the JSONDecoder. If one tries to decode a JSON object with more than 8 properties, I get an unrecognizable error: "error: Execution was interrupted, reason: EXCBADACCESS (code=1, address=0xe8). The process has been left at the point where it was interrupted, use "thread return -x" to return to the state before expression evaluation." This error happens whenever one executes code similar to below: struct Objects: Codable {   var NAME1: String?   var NAME2: String?   var NAME3: String?   var NAME4: String?   var NAME5: String?   var NAME6: String?   var NAME7: String?   var NAME8: String?   var NAME9: String? } let NEWDATA = """ [ {   "NAME1": "hi",   "NAME2": "hi",   "NAME3": "hi",   "NAME4": "hi",   "NAME5": "hi",   "NAME6": "hi",   "NAME7": "hi",   "NAME8": "hi",   "NAME9": "HELLO" } ] """.data(using: .utf8)! let decoder2 = JSONDecoder()   decoder2.dataDecodingStrategy = .deferredToData   decoder2.keyDecodingStrategy = .convertFromSnakeCase   let product2 = try decoder2.decode([Objects].self, from: NEWDATA)   print(product2) This happens in both the Playground and on the device. Maybe I am doing something wrong but it works when you have only 8 properties in the Objects struct but not when you have 9 or more. Xcode Version: 12.1 Swift Version: 5.3 Thanks for all your help, A very frustrated developer