You should do a fresh Bloc install, because it looks like you only updated Bloc from iceberg. Bloc depends on other projects such as Sparta or Beacon.About examples: gtExamples are not necessarily return instance of BlElement, it is a general all-purpose framework developed independently from Bloc.There are so many complains about absence of class comments, but no one reads them. Looks like it is easier to remove experimental examples completely :)BlSelectionExamples don't seem to support... selection ha haSorry, I don't understand��