Windows desktop browser crashed, all bookmarks & browsing history gone

Description of the issue:
Brave browser was open with 5 or 6 tabs. The browser froze, then a pop-up indicated “something” had stopped (I don’t remember how it was identified). The pop-up had a button to either repair or restart. I clicked it and a completely new browser window appeared with none of my data.

How can this issue be reproduced?
I don’t know.

Expected result:

Brave Version( check About Brave):
This current version that was just added is: Version 1.2.42 Chromium: 79.0.3945.117 (Official Build) (64-bit)

I believe the version that just disappeared was up to date, but I can’t confirm.

Additional Information:
I had valuable bookmarks and browsing history. Is there any way to recover it?

24 minutes later all my settings have simply reappeared. Grateful…but don’t understand what happened.