These new sync options are gradually rolling out
https://twitter.com/tomwarren/status/1346466376056127488
Microsoft Edge is finally getting history and tab sync. It's rolling out right now to all users, with the UK being one of the first countries in a gradual rollout. Full details here: https://t.co/1RarM0lKpG pic.twitter.com/5pTaAbPSAA
— Tom Warren (@tomwarren) January 6, 2021
SOURCE: The Verge