I noticed this issue with when I had originally upgraded to the Qt 6 version of Anki, which seemed to have broken all of the progress bars for morphman, here being the readability analyzer one:

In the most recent update, the one for recalcing was fixed, but this one was not.
Version 2.1.61 (0c1eaf4c)
Python 3.9.15 Qt 6.4.2 PyQt 6.4.0