I have just uploaded an OVA with hardware version 13. I have not yet tested this but it should be essentially identical to the previous version. See https://webwork.maa.org/wiki/WeBWorK_2.16_Ubuntu_Server_20.04_LTS_Virtual_Machine_Image for details.
Installation
WW2.15_Ubuntu20.04_Server.ova does not deploy on ESX 6.7u2 or newer
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