Yeah, the number of updates there have been increasing, but possibly not all of them are for Big Sur compatibility. For example, there was an update for Thunderbird earlier today (I use it), but still no indication that it is compatible with Big Sur (yet). Probably a little to early.
Actually I was quite surprised to find several of my apps, with no fanfare, been updated to universal code months ago. The only way to tell is to Get Info on the app as seen in this screenshot or download ArchiChect and drop the app onto that.
If we knew what it was we were doing, it wouldn't be called research, would it?
