USB-C Combiner Displayport 1.2?

KVM Model:

USB-C Combiner

USB Interface (5-gigabit or 10-gigbit):

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Problem:

Just got this in the mail and all the instructions included are saying its only displayport 1.2? Website shows Displayport 1.4. Did I get an old model or is this actually 1.4?

Other Notes:

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they are hand-binned for 4k/90. Displayport alt mode, there is a note about that in the product description… You can’t expect 4k/120 to work with the combiner.

Would they happen to accept HDR?