Cannot save text in Capella 5.2 on Ubuntu 20.04

I cannot seem to save text in Capella 5.2 on Ubuntu 20.04.

The latest example while adding a requirement. I can add the text, click “finish”, but next time I open it the text is just gone. (see attached screen shot)

Did anyone experience similar issues? Am I missing a setting in preferences?

Thanks so much

I found an explanation here: Description editor is broken on Linux · Issue #2316 · eclipse/capella · GitHub
The description editor is currently broken on Linux.