@TheRealBenForce in #431. I have looked back to PowerCLI 6.5 and this
was the case back then as well and not a new 12.2 change.
VmTemplate_ListByDatacenter Method
VMware.Hv.VmTemplateInfo[] VmTemplate_ListByDatacenter(
VMware.Hv.Services service, VMware.Hv.DatacenterId datacenter
)
Without wanting to steal anyones credit I've created a PR for this change.