REGR: from_records not initializing subclasses properly

Author: phofl

doc/source/whatsnew/v2.2.2.rst

@@ -16,6 +16,7 @@ Fixed regressions
 - :meth:`DataFrame.__dataframe__` was producing incorrect data buffers when the a column's type was a pandas nullable on with missing values (:issue:`56702`)
 - :meth:`DataFrame.__dataframe__` was producing incorrect data buffers when the a column's type was a pyarrow nullable on with missing values (:issue:`57664`)
 - Avoid issuing a spurious ``DeprecationWarning`` when a custom :class:`DataFrame` or :class:`Series` subclass method is called (:issue:`57553`)
+- Fixed regression in :meth:`DataFrame.from_records` not initializing subclasses properly (:issue:`57008`)
 - Fixed regression in precision of :func:`to_datetime` with string and ``unit`` input (:issue:`57051`)
 
 .. ---------------------------------------------------------------------------

pandas/core/frame.py

@@ -2302,7 +2302,8 @@ def maybe_reorder(
             columns = columns.drop(exclude)
 
         mgr = arrays_to_mgr(arrays, columns, result_index)
-        return cls._from_mgr(mgr, axes=mgr.axes)
+        result = cls._from_mgr(mgr, axes=mgr.axes)
+        return result._constructor_from_mgr(mgr, axes=mgr.axes)
 
     def to_records(
         self, index: bool = True, column_dtypes=None, index_dtypes=None

pandas/tests/frame/test_subclass.py

@@ -769,6 +769,13 @@ def test_constructor_with_metadata():
     assert isinstance(subset, MySubclassWithMetadata)
 
 
+def test_constructor_with_metadata_from_records():
+    # GH#57008
+    df = MySubclassWithMetadata.from_records([{"a": 1, "b": 2}])
+    assert df.my_metadata is None
+    assert type(df) is MySubclassWithMetadata
+
+
 class SimpleDataFrameSubClass(DataFrame):
     """A subclass of DataFrame that does not define a constructor."""