This is kind of the opposite of Category names missing on group permissions page and Top topics text missing.
Now the name is shown but the icon is missing.
https://meta.discourse.org/g/team/permissions
https://meta.discourse.org/my/summary
Was this an intentional change? I always found the badges very helpful. You can see quickly whether something is a subcategory, and the color makes it easier to identify the category even without reading.
I also noticed that the badge is no longer shown on oneboxes linking to other posts in the forum:
There is no longer a purple square in front of ux: