"5.11.0 windows"
addding QKeySequence("Num+.") 0x2000002e QFlags<Qt::KeyboardModifiers>(KeypadModifier) Qt::Key(Key_Period)
addding QKeySequence("Num+,") 0x2000002c QFlags<Qt::KeyboardModifiers>(KeypadModifier) Qt::Key(Key_Comma)

QWindowsKeyMapper::updatePossibleKeyCodes for virtual key= 0x6e (VK_DECIMAL)
KeyboardLayoutItem(
[0 NoModifier 0x2c Key_Comma ',']
[1 ShiftModifier 0x2c Key_Comma ','] 
[2 ControlModifier 0x2c Key_Comma ',']
[3 ShiftModifier|ControlModifier 0x2c Key_Comma ',']
[4 AltModifier 0x2c Key_Comma ',']
[5 ShiftModifier|AltModifier 0x2c Key_Comma ',']
[6 ControlModifier|AltModifier 0x2c Key_Comma ',']
[7 ShiftModifier|ControlModifier|AltModifier 0x2c Key_Comma ',']
[8 NoModifier 0x2e Key_Period '.'] )

QWindowsKeyMapper::possibleKeys QKeyEvent(ShortcutOverride, Key_Comma, KeypadModifier, text=",") nativeVirtualKey= 0x6e QFlags<Qt::KeyboardModifiers>(KeypadModifier) 
KeyboardLayoutItem([0 NoModifier 0x2c Key_Comma ',']
[1 ShiftModifier 0x2c Key_Comma ','] 
[2 ControlModifier 0x2c Key_Comma ','] 
[3 ShiftModifier|ControlModifier 0x2c Key_Comma ','] 
[4 AltModifier 0x2c Key_Comma ','] 
[5 ShiftModifier|AltModifier 0x2c Key_Comma ','] 
[6 ControlModifier|AltModifier 0x2c Key_Comma ','] 
[7 ShiftModifier|ControlModifier|AltModifier 0x2c Key_Comma ','] 
[8 NoModifier 0x2e Key_Period '.'] )
  returns (QKeySequence("Num+,"), QKeySequence("Num+."))

QAction::event: Ambiguous shortcut overload: Num+.