v5.5.0

• Add BLOB, BSTRBLOB, CABOOL, CABSTR, CABSTRBLOB, CAC, CACLIPDATA,
  CACLSID, CACY, CADATE, CADBL, CAFILETIME, CAFLT, CAH, CAI,
  CAL, CALPSTR, CALPWSTR, CAPROPVARIANT, CASCODE, CAUB, CAUH,
  CAUI, CAUL, CLIPDATA, and VERSIONEDSTREAM structures (#845)
• Add VARIANT_BOOL typedef (#845)
• Fix the Dart representation of the PROPVARIANT structure (#845)
• Add PropVariantInit and PropVariantClear APIs (#845)

v5.4.0

• Fix constant values ERROR_SERVICE_NOT_ACTIVE, KF_FLAG_ALIAS_ONLY,
  QS_INPUT, STD_INPUT_HANDLE, STD_OUTPUT_HANDLE, STD_ERROR_HANDLE,
  UIA_ItemTypePropertyId, and UIA_OrientationPropertyId (#832)
• Introduce Win32 enumerations as extension types based on int (#832)
• Deprecate constants for the Win32 enumerations in favor of the newly
  introduced extension types. For example, replace the usage of ERROR_SUCCESS
  with WIN32_ERROR.ERROR_SUCCESS (#832)
• Deprecate constant values WBEM_TIMEOUT_TYPE.WBEM_NO_WAIT and
  WBEM_TIMEOUT_TYPE.WBEM_INFINITE in favor of the newly introduced constants
  WBEM_NO_WAIT and WBEM_INFINITE (#833)
  You can automatically migrate your code to use the new constants by running
  dart fix --apply in your terminal.

v5.3.0

• Migrate away from .elementAt in favor of operator + (#825)
• Bump minimum required Dart version to 3.3.0 (#825)
• Deprecate CallWndProc typedef in favor of HOOKPROC (#826)
• Deprecate CCHookProc typedef in favor of LPCCHOOKPROC (#826)
• Deprecate CFHookProc typedef in favor of LPCFHOOKPROC (#826)
• Deprecate DlgProc typedef in favor of DLGPROC (#826)
• Deprecate DrawStateProc typedef in favor of DRAWSTATEPROC (#826)
• Deprecate DrawTextCallback typedef in favor of DTT_CALLBACK_PROC (#826)
• Deprecate EnumPageFilesProc typedef in favor of
  PENUM_PAGE_FILE_CALLBACK (#826)
• Deprecate EnumFontFamExProc typedef in favor of FONTENUMPROC (#826)
• Deprecate EnumResNameProc typedef in favor of ENUMRESNAMEPROC (#826)
• Deprecate EnumResTypeProc typedef in favor of ENUMRESTYPEPROC (#826)
• Deprecate EnumWindowsProc typedef in favor of WNDENUMPROC (#826)
• Deprecate ExcepInfoProc typedef in favor of
  LPEXCEPFINO_DEFERRED_FILLIN (#826)
• Deprecate FRHookProc typedef in favor of LPFRHOOKPROC (#826)
• Deprecate HandlerRoutine typedef in favor of PHANDLER_ROUTINE (#826)
• Deprecate LphandlerFunction typedef in favor of LPHANDLER_FUNCTION (#826)
• Deprecate LphandlerFunctionEx typedef in favor of
  LPHANDLER_FUNCTION_EX (#826)
• Deprecate LpoverlappedCompletionRoutine in favor of
  LPOVERLAPPED_COMPLETION_ROUTINE (#826)
• Deprecate LpserviceMainFunctionw in favor of
  LPSERVICE_MAIN_FUNCTION (#826)
• Deprecate MidiInProc typedef in favor of MIDIINPROC (#826)
• Deprecate MidiOutProc typedef in favor of MIDIOUTPROC (#826)
• Deprecate MonitorEnumProc typedef in favor of MONITORENUMPROC (#826)
• Deprecate OFNHookProc typedef in favor of LPOFNHOOKPROC (#826)
• Deprecate OpenCardCheckProc typedef in favor of LPOCNCHKPROC (#826)
• Deprecate OpenCardConnProc typedef in favor of LPOCNCONNPROC (#826)
• Deprecate OpenCardDisconnProc typedef in favor of LPOCNDSCPROC (#826)
• Deprecate OutputProc typedef in favor of GRAYSTRINGPROC (#826)
• Deprecate PfnAuthenticationCallbackEx in favor of
  PFN_AUTHENTICATION_CALLBACK_EX (#826)
• Deprecate PfnbluetoothGattEventCallback in favor of
  PFN_BLUETOOTH_GATT_EVENT_CALLBACK (#826)
• Deprecate PfnBluetoothEnumAttributesCallback in favor of
  PFN_BLUETOOTH_ENUM_ATTRIBUTES_CALLBACK (#826)
• Deprecate PfnDeviceCallback typedef in favor of PFN_DEVICE_CALLBACK (#826)
• Deprecate PfnScNotifyCallbackFunction in favor of
  PFN_SC_NOTIFY_CALLBACK (#826)
• Deprecate SendAsyncProc typedef in favor of SENDASYNCPROC (#826)
• Deprecate SpNotifyCallback typedef in favor of SPNOTIFYCALLBACK (#826)
• Deprecate SubclassProc typedef in favor of SUBCLASSPROC (#826)
• Deprecate SymEnumSymbolsProc in favor of
  PSYM_ENUMERATESYMBOLS_CALLBACK (#826)
• Deprecate TaskDialogCallbackProc typedef in favor of
  PFTASKDIALOGCALLBACK (#826)
• Deprecate ThreadProc typedef in favor of LPTHREAD_START_ROUTINE (#826)
• Deprecate TimerProc typedef in favor of TIMERPROC (#826)
• Deprecate WindowProc typedef in favor of WNDPROC (#826)
• Deprecate WlanNotificationCallback in favor of
  WLAN_NOTIFICATION_CALLBACK (#826)
• Note: You can automatically migrate your code to use the new typedefs by
  running dart fix --apply in your terminal.
• Deprecate convertFromHString function (#829)
• Deprecate convertToHString function (#829)
• Deprecate getClassName function (#829)
• Deprecate getInterfaces function (#829)
• Deprecate getTrustLevel function (#829)
• Deprecate Pointer<HSTRING>.toDartString extension method (#829)