BMPCC6k G2 which firmware is up-to-date?

Hi! In the summer, I upgraded to the beta version of firmware 8.6. Now, I downloaded Black Magic Camera Setup 9.1 and the application does not show the current version of my firmware and does not offer to update. Is this normal? I also cannot downgrade... Сurrent firmware version Version 8.6, Build f560b740

9.1 doesn't have anything new for that camera, so it won't update.

If you want to downgrade, uninstall the Blackmagic Camera app on your computer and install the older version you want to downgrade to. Then run Camera Setup.

There is nothing to downgrade to.