Why Dell PowerVault MD32XX/36XX Series Support Matrix do not have Kioxia drives?

Hello,

Why Dell PowerVault MD32XX/36XX Series Support Matrix

https://www.dell.com/support/manuals/en-us/powervault-md3200/md32xx_36xx_supportmatrix_pub/supported-physical-disks?guid=guid-da577510-698c-4fa5-a957-2d90c246f2a4&lang=en-us

do not have Kioxia drives?