After upgrading to 5.4.6, to include ZBX-19848 fix, we started to receive another issue - item becomes unsupported with constant error message change:

error reason for "ESX97:vmware.hv.cpu.usage.perf[{$VMWARE.URL},{$VMWARE.HV.UUID}]" changed: Value of type "string" is not suitable for value type "Numeric (unsigned)". Value "97.340000000000003"

To workaround this issue we temporary changed type of information to Float on template level.
But still this should be checked by devs, why it happens and something should be fixed.