What Is the difference between browser History database in Brave Nightly vs. Regular Brave?

I am looking for documentation that explains the difference in accessing browser history database in Brave Nightly vs. plain Brave.

In Brave Nightly, when I navigate to the browser history database, this is what happens:

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In regular Brave, the result is completely different

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This thing provides no information I can find.

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Is documentation available somewhere that explains the difference?

Do you know what is going on with this?

Thank you.