Windows LDM array not working in Mint 21

[Huecuva]

I have my main gaming machine dual booted with Windows 10 and Linux Mint. It was Mint 20.1, but then I upgraded it to 20.2 when that came out, then 20.3 and now 21. In my Windows install, I have a mirrored Dynamic Disk array. Previous to my upgrade to Mint 21, I was able to use ldmtool to simply

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ldmtool create all

and I was easily able to access the LDM drives.

However, since I have upgraded to Mint 21, this no longer works. The RAID is no longer accessible. It says I have the latest version of ldmtool, but when I type in

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ldmtool create all

it simply prints out a couple of square brackets like

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[]

and nothing else happens. I read one tutorial that suggested that ldmtool simply created a bunch of entries under /dev/mapper/ and I needed to manually mount it, but I've never had to do that before and anyway, there aren't any entries under /dev/mapper/

How do I access my ldm drives in Linux Mint 21?

EDIT: Now that I have freshly installed Mint 21, as the upgrade was kind of a failure in a general sense, I am still unable to get this LDM array to accessible in Linux Mint. It almost seems like there is some kind of incompatibility between Mint 21 and ldmtool.