Hello,

What differentiates sync to Google on Edge from a different browsers like Opera?

Add to extensions sync and also password and favorite then:

1 - All applications installed are synced to your session unless you upgrade to Windows 11 then is some incompatibility.

2 - No need for re-open sessions from scratch, all sessions are installed as well.

3 - No need for Microsoft account, then a security code is sent to your Gmail instead.

4 - Possibility for sync VS Code extensions to Microsoft account.