Steps to replicate:
- Open the New Discussion Tool
- Enter some text in the tool's Description field.
- Click the Add Topic button.
- At this point you will get the feedback message "Please provide a topic for your comment. If you click "Add topic" again, your comment will be added without a topic."
- Type something into the Topic field.
- Remove the text you just typed in that field.
- Click the Add Topic button again.
Observed Result:
This time it will let you post the discussion without any topic name.