Thanks for the replies, but those are not really styles. Those are character formatting options.
When I say "style," I'm talking about heading styles, paragraph styles, etc. The only thing in that menu that qualifies as a style is the code block (which is a welcome addition; don't get me wrong).
If the headers are available in the beta client, perhaps I'll switch to that channel. I've been using Evernote for over 10 years, and have wanted this for that long. I recently tried to switch to OneNote, but although it has many more text options, it really is more focused on taking actual n