mark gridded array input packages as dev feature

Author: mjreno

src/Utilities/Idm/mf6blockfile/IdmMf6File.f90

@@ -271,6 +271,7 @@ subroutine dynamic_create_loader(this)
     use GridArrayLoadModule, only: GridArrayLoadType
     use ListLoadModule, only: ListLoadType
     use Mf6FileStoInputModule, only: StoInputType
+    use DevFeatureModule, only: dev_feature
     class(Mf6FileDynamicPkgLoadType), intent(inout) :: this
     class(ListLoadType), pointer :: list_loader
     class(GridArrayLoadType), pointer :: arrgrid_loader
@@ -285,6 +286,10 @@ subroutine dynamic_create_loader(this)
       allocate (arrlayer_loader)
       this%rp_loader => arrlayer_loader
     else if (this%readarray_grid) then
+      call dev_feature(trim(this%mf6_input%subcomponent_type)// &
+        ' package input is still under development, install the &
+        &nightly build or compile from source with IDEVELOPMODE = 1.', &
+        this%iout)
       allocate (arrgrid_loader)
       this%rp_loader => arrgrid_loader
     else