I've noticed that my account never saves options like preferred tags; I have to add them every time I log in, which is a bit inconvenient. Is there a specific reason for this, or is it something that could be improved upon in the future?

I've never personally experienced an issue like this, but there is a current issue with the servers not aggregating new information, so it could be dumping new changes as well.
We are working on it.

Do you happen to use uBlock Origin?

I do not; I have very few extensions on Chrome at all (I did forget to mention I typically use Google Chrome).
The issue has been persistent.