I was starting to write a bug report to complain about the lack of a Native or Universal version of Evernote on Apple M1, but it seems like the latest Evernote release is performing much better -- even through it's still an Intel bundle. Previously (just minutes ago), I was ranting about how horrible the app is, but it actually is getting back to usable...
10.15.6-mac-ddl-public (2680)
Editor: v125.1.16140
Service: v1.36.3
I still find it a bit sluggish, but at least it's slightly improved. If only they would have a Universal or Silicon release...