Common changes

• The WiFiClient sample application has been updated to show how to get a Wi-Fi profile password as plain text.
• New error code: WCL_E_WIFI_INTERFACE_NOT_CONNECTED.
• New error code: WCL_E_WIFI_INTERFACE_OPEN_IP_SETTINGS_FAILED.
• New error code: WCL_E_WIFI_INTERFACE_READ_IP_FAILED.
• New error code: WCL_E_WIFI_INTERFACE_SET_IP_FAILED.
• New error code: WCL_E_WIFI_NETCFG_PREPARE_FAILED.
• New error code: WCL_E_WIFI_NETCFG_CREATE_FAILED.
• New error code: WCL_E_WIFI_NETCFG_LOCK_CREATE_FAILED.
• New error code: WCL_E_WIFI_NETCFG_LOCK_FAILED.
• New error code: WCL_E_WIFI_NETCFG_INIT_FAILED.
• New error code: WCL_E_WIFI_NETCFG_ENUM_INTERFACES_FAILED.
• New error code: WCL_E_WIFI_NETCFG_INTERFACE_NOT_FOUND.
• New error code: WCL_E_WIFI_NETCFG_PROTOCOL_NOT_FOUND.
• New error code: WCL_E_WIFI_NETCFG_SWITCH_PROTOCOL_FAILED.
• New error code: WCL_E_WIFI_NETCFG_APPLY_CHANGES_FAILED.
• New error code: WCL_E_WIFI_NETCFG_START_THREAD_FAILED.
• Reading current IP address for the connected Wi-Fi interface.
• The WiFiClient sample application updated to show how to read the current IP address of a Wi-Fi interface.
• Reading Wi-Fi interface IP settings.
• The WiFiClient sample application updated to show how to read Wi-Fi interface IP settings.
• Changing IP settings for a Wi-Fi interface; administrative rights are required.
• The WiFiClient sample application updated to show how to change IP settings for the Wi-Fi interface.

Wi-Fi Framework

Common changes

• The IsRemoteDeviceInRange method now returns an error if used with a BLE device.
• Fixed the issue with resetting the pairing device address in the OnAuthenticationCompleted event.
• Fixed the issue that allowed you to call asynchronous methods (Pair, Discover) when the Bluetooth radio is closing.
• Mixing in the error codes (WCL_E_BLUETOOTH_DEVICE_NOT_CONNECTED vs. WCL_E_BLUETOOTH_DEVICE_NOT_INSTALLED) has been fixed.
• Fixed the issue with multiple OnAuthenticationCompleted events calling for the same device.

Bluetooth Framework

Common changes

• Fixed the minor bug in the WiFiClient sample application.
• Fixed the issue when a message receiver may cause an application to freeze.

Wi-Fi Framework

Common changes

• Fixed the issue when a message receiver may cause an application to freeze.

Serial Framework

Common changes

• Fixed the issue with connecting to the paired BLE device (when the real connection executed only after value reading).
• Fixed the issue when the Close method of the wclBluetoothManager class may cause an application to freeze.
• Fixed the issue when a message receiver may cause an application to freeze.

Bluetooth Framework

Common changes

• Reading OS version reworked for faster operation.
• Code refactoring.

.NET Edition

• Some sample applications have been updated.

Wi-Fi Framework

Common changes

• Reading OS version reworked for faster operation.
• Code refactoring.

.NET Edition

• Some sample applications have been updated.

Serial Framework

Common changes

• Classic devices pairing with the Microsoft Bluetooth driver has been reworked.
• BLE pairing with the Microsoft Bluetooth driver has been reworked.
• The BLE pairing protection level has been added for BLE pairing.
• The BluetoothManager sample has been updated to show how to use new BLE pairing features.
• Reading OS version reworked for faster operation.
• Code refactoring.

.NET Edition

• Some sample applications have been updated.

Bluetooth Framework

C++ Edition

• A possible conflict with the devpropdef.h header file has been resolved.
• A possible conflict with the cfgmgr32.h header file has been resolved.

Wi-Fi Framework

C++ Edition

• The Visual Studio 2019 support has been added.
• A possible conflict with the devpropdef.h header file has been resolved.
• A possible conflict with the cfgmgr32.h header file has been resolved.

Serial Framework

Common changes

• The cleanup after disconnect has been fixed in the wclGattClient class.
• Now it executes a real connection to a device in the wclGattClient class.
• The extended error decoding during reading GATT attributes was added.

C++ Edition

• A possible conflict with the devpropdef.h header file has been resolved.
• A possible conflict with the cfgmgr32.h header file has been resolved.

Bluetooth Framework

Common changes

• The ability to write a null (empty) value to characteristics was added to the wclGattClient class.
• The ability to read a null (empty) value from characteristics was added to the wclGattClient class.
• The characteristic change notification with a null (empty) value is now possible in the wclGattClient class.

Bluetooth Framework

Common changes

• Fixed the bug with a Bluetooth radio state switching in console applications.

Bluetooth Framework

Common changes

• New error code: WCL_E_WIFI_ONE_OF_MORE_BSS_IS_INVALID.
• The new Connect method that allows you to connect to a BSS list was added.
• Connect to a BSS list.

C++ Edition

• The Visual Studio 2019 support was added.

Wi-Fi Framework

Common changes

• It is possible to run a few instances of the Bluetooth LE advertiser on the Windows 10 platform with the Microsoft Bluetooth driver. However, when you stop one advertiser, the system stops all advertising completely. This release adds new behavior to the Bluetooth LE advertiser so when one of them is stopped, all others are stopped also. This allows to call the OnStopped event of all Bluetooth LE advertisers to notify an application about advertising that has been stopped and to switch all the advertisers to a consistent state.

C++ Edition

• The Visual Studio 2019 support was added.

Bluetooth Framework

Common changes

• New error code: WCL_E_BLUETOOTH_GET_REMOTE_ADDRESS_TYPE_FAILED.
• New error code: WCL_E_BLUETOOTH_UNKNOWN_DEVICE_TYPE.
• Read a Bluetooth LE device address type.
• The BluetoothManager sample has been updated to show how to get a Bluetooth LE device address type.

Bluetooth Framework

Common changes

• Pairing with BLE devices.

C++ Edition

• Fixed the bug with reading BLE devices pairing status.
• Fixed the bug with unpairing BLE devices.

Bluetooth Framework

Common changes

• Disconnecting the Wi-Fi Direct client and server without a device unpairing.
• Get a Wi-Fi Direct device pairing status.
• Unpairing Wi-Fi Direct device.
• New error code: WCL_E_WIFI_DIRECT_DEVICE_GET_PAIRED_FAILED.
• New error code: WCL_E_WIFI_DIRECT_DEVICE_START_UNPAIR_FAILED.
• New error code: WCL_E_WIFI_DIRECT_DEVICE_START_GET_PAIRED_THREAD_FAILED.
• New error code: WCL_E_WIFI_DIRECT_DEVICE_START_UNPAIR_THREAD_FAILED.

Wi-Fi Framework

Common changes

• Fixed the issue when the Discover method crashes when Timeout was set to 0.
• The GetRemoteDeviceType method has been reworked to make it work more stably with the latest Windows 10 versions.
• New exception: wclEGattServer.
• Fixed the issue that was caused by a Windows 10 bug that prevented working with paired BLE devices.
• Additional checks for classic discovering timeout have been added.
• The GATT server has been added.
• New error code: WCL_E_BLUETOOTH_GET_LOCAL_OOB_FAILED.
• New error code: WCL_E_BLUETOOTH_DISCOVERING_TIMEOUT_TOO_HIGH.
• New error code: WCL_E_BLUETOOTH_DISCOVERING_TIMEOUT_TOO_LOW.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_CHARACTERISTIC_ADDED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_CHARACTERISTIC_REMOVED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_SERVICE_ADDED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_SERVICE_REMOVED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_RUNNING.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_NOT_RUNNING.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_CREATE_INIT_EVENT_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_CREATE_TERM_EVENT_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_CREATE_THREAD_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_GET_SERVICE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_CREATE_PARAMS_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_SET_READ_PROTECTION_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_SET_WRITE_PROTECTION_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_SET_PROPERTIES_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_CREATE_CHARACTERISTIC_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_INVALID_CHARACTERISTIC.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_SET_ADV_PARAMS_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_PERIPHERAL_MODE_NOT_SUPPORTED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_START_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_CREATE_SERVICE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_INVALID_SERVICE.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_NOT_INITIALIZED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_INITIALIZED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_SET_WRITE_EVENT_HANDLER_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_SET_READ_EVENT_HANDLER_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_SET_CLIENTS_CHANGED_EVENT_HANDLER_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_GET_CLIENTS_LIST_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_GET_CLIENTS_COUNT_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_CHARACTERISTIC_NOT_NOTIFIABLE.
• New error code: WCL_E_BLUETOOTH_LE_GATT_SERVER_CHARACTERISTIC_SEND_NOTIFICATION_FAILED.

Bluetooth Framework

Common changes

• The new OpenAuth property has been added to the wclWiFiDirectAdvertiser and wclWiFiSoftAP classes. Setting this property to True forces the wclWiFiDirectAdvertiser (when it is in legacy mode) and the wclWiFiSoftAP classes to switch to the open authentication mode (only when the device runs in the embedded mode).
• The behavior of the Passphrase property has been restored. If the passphrase is not provided, the autogenerated one will be used. If the OpenAuth property is set to True, the empty passphrase will be used.
• The new Start method has been added to the wclWiFiSoftAP class. The method takes only one argument, SSID, and starts the Wi-Fi Direct legacy SoftAP in the open authentication mode (only when the device runs in embedded mode).
• Fixed the freezing issue in the Wi-Fi Direct classes when a Wi-Fi hardware has been removed.

Wi-Fi Framework

Common changes

• Fixed the bug in the wclThread class that causes freezing if the OnInitialize event returns False.
• The WiFiDirect SoftAP allows you to set an empty password to create an open network in case your device is running in the embedded mode.

Wi-Fi Framework

Common changes

• Fixed the bug in the wclThread class that causes freezing if the OnInitialize event returns False.

Serial Framework

Common changes

• Fixed the bug in the wclThread class that causes freezing if the OnInitialize event returns False.
• The Mitm parameter has been removed from the RemotePair method.
• Fixed the issue when pairing result is always success in case of pairing has been initiated by a remote device.
• The new OnIoCapabilityRequest event has been added to the wclBluetoothManager class.
• The BluetoothManager sample application has been updated to show how to specify MITM protection.
• The BluetoothManager sample application has been updated to show how to specify IO capability.

C++ Edition

• Fixed the access violation bug when reading the device's properties when the device MAC is not available or wrong.

Bluetooth Framework

Common changes

• Refactoring and optimization in the Microsoft Bluetooth LE WinRT code.
• The Bluetooth authentication messages have been redesigned to support WinRT (or other synchronous) pairing.
• The legacy GATT pairing code for the Microsoft Bluetooth driver has been refactored.
• The Bluetooth LE discovering code for the Microsoft Bluetooth driver has been refactored.
• The Bluetooth classic discovering code for the Microsoft Bluetooth driver has been refactored.
• The Bluetooth classic pairing code for the Microsoft Bluetooth driver has been refactored.
• Fixed the issue with reading device type on Windows versions before Windows 8 with the Microsoft Bluetooth driver.
• Fixed the issue with reading Bluetooth LE device connected status.
• Fixed the issue with reading Bluetooth LE device paired status.
• The MITM protection for classic pairing is now supported (Microsoft Bluetooth drivers only on Windows Vista SP2 and above).
• The BluetoothManager sample application has been updated to show how to discover BLE devices (refer to the GattClient demo application to find a code example that shows how to work with BLE GATT-enabled devices, read GATT services and characteristics, and other GATT-related code).
• The BluetoothManager sample application has been updated to show how to use MITM protection during pairing.
• New error code: WCL_E_BLUETOOTH_LE_START_GET_DEV_CONNECTED_STATUS_THREAD_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_DEV_CONNECTED_STATUS_THREAD_GET_RESULT_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_CONNECTED_STATUS_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_START_GET_DEV_PAIRED_STATUS_THREAD_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_DEV_PAIRED_STATUS_THREAD_GET_RESULT_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_DEVICE_PAIRED_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_PROTOCOL_ERROR.

.NET Edition

• Fixed the bug in the RfCommServer WPF sample application.

Bluetooth Framework

Common changes

• The new IsRemoteDeviceInRange method was added to the wclBluetoothRadio class. The method allows you to check if a remote Bluetooth device is available.
• Additional parameters checking in the wclBluetoothRadio class methods.

.NET Edition

• Fixed the bug in the wclBeaconLeBeaconWatcher that prevents reading the advertising device's name when it runs under Unity.
• Fixed the bug when a device stays connected after RSSI measurement if the device was disconnected before the RSSI query.

Bluetooth Framework

Common changes

• The Wireless Communication Library common runtime refactoring.
• The WinUSB error codes have been changed.
• If you need to convert an error code to the human-readable text, you can use this XML file.

.NET Edition

• Removed some Win32 API dependencies.

Wi-Fi Framework

Common changes

• The Wireless Communication Library common runtime refactoring.
• The WinUSB error codes have been changed.
• If you need to convert an error code to the human-readable text, you can use this XML file.

.NET Edition

• Removed some Win32 API dependencies.

Serial Framework

Common changes

• The Wireless Communication Library common runtime refactoring.
• The WinUSB error codes have been changed.
• If you need to convert an error code to the human-readable text, you can use this XML file.

.NET Edition

• Removed some Win32 API dependencies.

Bluetooth Framework

Common changes

• Reading a USB device's setup class GUID.
• Getting a USB device enabled state.
• New error code: WCL_E_SERIAL_DEVICE_SWITCH_FAILED.
• Enabling USB devices.
• Disabling USB devices.

.NET Edition

• The new function ReadDeviceInformation was added to the wclSerialHelpers class.
• Fixed the bug when not all USB devices were enumerated on Windows 10 IoT.

Serial Framework

Common changes

• The APC synchronization has been added.

.NET Edition

• The new function SleepEx was added to the wclHelpers class.

Wi-Fi Framework

Common changes

• The APC synchronization has been added.

.NET Edition

• The new function SleepEx was added to the wclHelpers class.

Serial Framework

Common changes

• The APC synchronization has been added.
• The new ApcSync sample application was added to show how to use APC synchronization.
• The RfCommServer sample application has been updated to show how to provide a service UUID and a service name.
• The RfCommClient sample application has been updated to show how to find and connect to a service by its channel number.
• New error code: WCL_E_BLUETOOTH_WAIT_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_OPERATION_RESULT_FAULED.
• New error code: WCL_E_BLUETOOTH_LE_GET_ROOT_SERVICE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_SERVICE_HANDLE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_CHARACTERISTIC_HANDLE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_DESCRIPTOR_HANDLE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_DESCRIPTOR_UUID_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_PRESENTATION_FORMATS_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_PRESENTATION_FORMATS_LIST_SIZE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_PRESENTATION_FORMAT_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_PRESENTATION_FORMAT_TYPE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_PRESENTATION_FORMAT_EXPONENT_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_PRESENTATION_FORMAT_UNIT_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_PRESENTATION_FORMAT_NAMESPACE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_PRESENTATION_FORMAT_DESCRIPTION_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_DESCRIPTOR_VALUE_SIZE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_DESCRIPTOR_VALUE_RAW_DATA_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_DESCRIPTOR_VALUE_DATA_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_CHARACTERISTIC_UUID_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_CHARACTERISTIC_PROPETIES_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_DESCRIPTOR_VALUE_DATA_BUFFER_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_CHARACTERISTIC_VALUE_DATA_BUFFER_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_CHARACTERISTIC_VALUE_SIZE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_CHARACTERISITC_VALUE_RAW_DATA_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_CHARACTERISITC_VALUE_DATA_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_DESCRIPTORS_LIST_SIZE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_SERVICE_UUID_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_CHARACTERISITCS_LIST_SIZE_FAILED.
• New error code: WCL_E_BLUETOOTH_LE_GET_SERVICES_LIST_SIZE_FAILED.

.NET Edition

• The new function SleepEx was added to the wclHelpers class.

Bluetooth Framework

Common changes

• Minor updates in the Bluetooth pairing code.
• The RemotePair function now checks that a device is not paired. If the device is paired, the function returns an error code.
• The RemoteUnpair function now checks that a device is paired. If the device is not paired, the function returns an error code.

Bluetooth Framework

Common changes

• Now a Wi-Fi Direct device does not reset its MAC addresses when disconnected.
• Fixed the issue with incorrect OS version detection that appeared in some situations.

Wi-Fi Framework

Common changes

• Fixed the issue with incorrect OS version detection that appeared in some situations.

Serial Framework

Common changes

• Fixed the issue with incorrect OS version detection that appeared in some situations.
• Radio turning on and off code has been reworked to support Windows 8 and Windows 8.1.
• Error codes have been changed and updated.

Bluetooth Framework

.NET Edition

• The exception classes have been updated to raise exceptions with messages.

C++ Edition

• The Wi-Fi Framework exceptions now inherit from std::exception to provide access to the What method.
• The exception classes have been updated to raise exceptions with messages.

Wi-Fi Framework

.NET Edition

• The exception classes have been updated to raise exceptions with messages.

C++ Edition

• The Wi-Fi Framework exceptions now inherit from std::exception to provide access to the What method.
• The exception classes have been updated to raise exceptions with messages.

Serial Framework

Common changes

• New error code: WCL_E_BLUETOOTH_DEVICE_ALREADY_INSTALLED.
• New error code: WCL_E_BLUETOOTH_DEVICE_NOT_INSTALLED.
• New error code: WCL_E_BLUETOOTH_DEVICE_NOT_CONNECTED.
• New error code: WCL_E_BLUETOOTH_ENUM_CONNECTION_FAILED.
• Installing and uninstalling a Bluetooth device. This feature is available for the BlueSoleil and Microsoft Bluetooth drivers only and can be used to connect (install) and to disconnect (uninstall) Bluetooth devices such as Bluetooth speakers, mice, keyboards, and some other non-RFCOMM-based devices.

.NET Edition

• Some errors decoding for the Microsoft Bluetooth driver have been fixed.
• The exception classes have been updated to raise exceptions with messages.
• Fixed the marshaling bug when the Bluetooth Framework runs with the BlueSoleil Bluegooth driver.

C++ Edition

• The Bluetooth Framework exceptions now inherit from std::exception to provide access to the What method.
• The exception classes have been updated to raise exceptions with messages.

VCL Edition

• Some errors decoding for the Microsoft Bluetooth driver have been fixed.

Bluetooth Framework

Common changes

• Reset the data stream position to zero before calling the OnPutCompleted event in the OPP server data processor.

Serial Framework

Common changes

• BLE device disconnect improved.
• Reset the data stream position to zero before calling the OnPutCompleted event in the OPP server data processor.

Bluetooth Framework

Common changes

• Fixed issue that prevents rediscovering Bluetooth devices if the Discover method was called from the OnDiscoveringCompleted event handler.

C++ Edition

• Fixed the "Unresolved external" error in the GetTimeout method of the CwclRfCommClient class.

Bluetooth Framework

Common changes

• The new wclCustomServerClientDataProcessor class that allows you to implement server data processors was added.
• Fixed the issue with processing the ABORT command in the OBEX client implementation.
• The OBEX Object Push server was added.
• New error code: WCL_E_OBEX_CREATE_CONNECTION_ID_MUTEX_FAILED.
• New error code: WCL_E_OBEX_MAX_CONNECTION_ID.
• New error code: WCL_E_OBEX_INVALID_STATE.

C++ Edition

• Fixed the critical bug in the CwclMemoryStream class that causes access violation error.

Serial Framework

C++ Edition

• Fixed the critical bug in the CwclMemoryStream class that causes access violation error.

Wi-Fi Framework

Common changes

• The OppServer sample application has been updated to show how to save a received file.

.NET Edition

• Fixed the bug in the OBEX object name and description reading.

C++ Edition

• Fixed the critical bug in the CwclMemoryStream class that causes access violation error.

Bluetooth Framework