BIOS Updating on B350 tomahawk MB.

So I wanted to install a Ryzen 7 3700x on the b350 tomahawk. I updated my bios using the msi website, with m-flash. The weird thing is, is that the latest BIOS version build is called 7A34v1OS(Beta version) and the build date says 2020-07-09. My bios UI is changed but now the build is called e7a34ams.10s and the build date says 07-02-20. I am just confused as to how this happened, if it's normal, and if I should be able to install the new cpu.


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