Sync bookmarks & history

Description of the issue:
Bookmarks & history don’t sync with desktop. When will tab sync finally come out?

How can this issue be reproduced?

Expected result:

Brave Version( check About Brave):
Mobile Device details
iPhone 8 iOS 15.2.1
Additional Information:
MacBook Air 2014, macOS Big Sur

@Hannover69 ,

Probably before “tab sync”, an increase in the ability to diagnose Sync for iOS, is due, and sooner rather than later, brave://sync-internals will arrive. In process - some info from GitHub (brave-ios):

It’s fixed now, I found out that my phone left the sync chain for no reason. But tab sync would be nice!