YMMV
All I know is, back when I used E10 gasoline, I had a lot more carburetor trouble with my lawn equipment when I went to get them going in the spring after sitting all winter with E10 gasoline.
I also had trouble with my 2 cycle lawn mower carburetor float needle valve going bad.
Since I...
In my Stihl chainsaws, I've used nothing but the gray bottle 2 stroke synthetic oil for many years.
AND I mix it with nothing but ethanol free gasoline that I can buy at the pump at a gas station not too far away.
It's so good, I can use leftover mix into the next year and it still works great...