Text box events (OnTextCommitted and OnTextChanged) are throwing false warnings

If the user creates an OnTextCommitted event or an OnTextChanged event the user will receive a warning upon compiling the blueprint.

Warning received:

Warning No value will be returned by reference. Parameter 'Text'. Node: OnTextCommitted (EditableTextBox_52)
Warning No value will be returned by reference. Parameter 'Text'. Node: OnTextChanged (EditableTextBox_52)

Note: Events appear to still work

1. Open Editor
2. Create a new Widget Blueprint
   Right click content browser > User Interface > Widget Blueprint
3. Open the New widget Blueprint
4. Add a Text box to the designer tab
5. Add an OnTextCommitted event\
   Select the Text box > Detail panel > Scroll to the bottom > Add event
6. Add an OnTextChanged Event
   Select the Text box > Detail panel > Scroll to the bottom > Add event
7. Open the event graph
8. Compile
9. Notice each event has a warning

[4.8] UMG - Editable Text Box Events Don't Work