refactor: vgroups set default attr recursive=True

CHANGELOG.md

@@ -10,6 +10,9 @@ and this project does adhere to [Semantic Versioning](https://semver.org/spec/v2
 ### Fixed
 - No duplicate `GroupBySource` entries in `vgroups` filter (while keeping sort order)
 
+### Changed
+- Change default `recursive=True` for `vgroups` filter (most probable use case)
+
 
 
 ## [0.9.9] – 2022-12-21

lektor_groupby/backref.py

@@ -49,7 +49,7 @@ class VGroups:
         *,
         fields: Union[str, Iterable[str], None] = None,
         flows: Union[str, Iterable[str], None] = None,
-        recursive: bool = False,
+        recursive: bool = True,
         order_by: Union[str, Iterable[str], None] = None,
     ) -> Iterator['GroupBySource']:
         ''' Extract all referencing groupby virtual objects from a page. '''