After an upgrade, some Clarity elements (e.g.: images, portlets...) appear to be broken or not load correctly, like overlaying characters.
It may be possible that there are cached elements from the previous version.
Release : 16.0.1
Component : Clarity Studio
Flush Clarity server cache (first) and then, clear the browser caches.
How to clear browser caches:
Please note that some browsers may allow clearing the caches for a certain time period. In this case, it is always recommended to select "All time", "Everything", or equivalent option.