Certain types of HTML formatting (like strikethrough or underline), it does not display in the Project Status Portal.
Custom widget being used for 'Project Status Comments' widget.
In order to resolve the issue, please revert to the out of box version for this widget, or update the custom widget as per the changes in out of box widget.
There is a problem opened for this issue PRB1321456 which is fixed in New York. As a part of fix for this, the widget named 'Project Status Comments' is changed to apply the HTML formatting. If a custom version of this widget is used, the fix for this will not be available and the issue will be caused.