I just updated to 7.5.5 (b333) and I am seeing this text crawling behavior as well - not only for note text, but also for tables on container notes. When I click on the tab as you suggest, it brings the text and tables back to the top, but then they start crawling down again immediately.
If I wait a bit, the text and tables craw completely out of view.
How do I revert back to 7.5.4?
Note: I tested with a completely new file. In the new file, the text crawls down only when I click the note or map. In my actual file the texts crawls on its own - I assume because I have agents running that are updating the views.
Here’s one nearly out of view: