May 27 2019 03:21 PM
I saw some posts about this from April but didn't see anything current, and nothing for macOS (unless there's a thread that I just missed).
I've been running Edge Dev for a few weeks and syncing was working up until the latest build. I'm currently on Version 76.0.161.0 (Official build) Dev (64-bit) and several times per day I get the "Not Syncing" message next to my avatar and I have to sign out and back in. I've also submitted feedback via the smiley.
May 27 2019 06:21 PM
Nov 28 2019 01:05 AM
Same problem here.
Micrsoft Edge Dev - Version 80.0.334.4 (Official build) Dev (64-bit)