[BlockEdit] Groups created inside BlockEdit lose grouping upon saving

Serengeti (Rhino BETA)
1

Objects grouped inside a block instance during BlockEdit do not keep their grouping. Once you click OK to close the block editor and re-enter BlockEdit on the same instance, the grouped objects are ungrouped.

Steps to Reproduce:

  1. Double-click a block instance to launch BlockEdit.

  2. Select two or more objects inside the block and run Group.

  3. Click OK to save and exit BlockEdit.

  4. Double-click the same block instance to re-open BlockEdit.

Result: The objects lose their group property and become individual, ungrouped elements.

Is it possible to have group definitions persist within block definitions in the Rhino 9 Beta release?