Writing a VDoubleArray over pva fails as illustrated by the following:
{Type: [WRITE_FAILED] - wrEx: Unsupported write, cannot put 'class [Lorg.epics.vtype.IVDoubleArray;' into array'double[]'} java.lang.RuntimeException: Unsupported write, cannot put 'class [Lorg.epics.vtype.IVDoubleArray;' into array'double[]' true true VDoubleArray[[111.0, 222.0, 333.0], size [3], NONE(NONE) - NO_ALARM, 2020-05-28T06:54:32.497303997Z(0)]

Writes over VDoubleArray and other numeric array types should be supported in pva as well as in ca.