Sounds right. I recall even before that for a few weeks, most or the time I started mobile, I would hit menu, or a note I wanted, and a second or two later, the whole thing would refresh. A bit annoying, but I discovered today that is when it reverts to the new Home page. It may be that it is a home page for people that didn't like widgets, but hopefully it will be an option in the future.
The scratch pad may be related to the refresh. Frequently on mobile, that is what I touch first to make a quick entry. Then it refreshes, perhaps saving the version I touched. Why it just surfaced today, I can't say, but I'm going back to the Android widget for quick entry until this gets sorted.