diff --git a/docs/requirements.txt b/docs/requirements.txt
index 8362dfcaa..934ecbe7f 100644
--- a/docs/requirements.txt
+++ b/docs/requirements.txt
@@ -1,13 +1,13 @@
-pypandoc==1.13
+pypandoc==1.14
 recommonmark==0.7.1
-jupyter==1.0.0
+jupyter==1.1.1
 
 # get sphinx version range from furo install
-furo==2024.5.6
-myst-parser==3.0.1
-pyopenssl==24.1.0
-autodocsumm==0.2.12
-jinja2==3.1.4
-matplotlib==3.8.4
-nbconvert==7.16.4
+furo==2024.8.6
+myst-parser==4.0.0
+pyopenssl==24.3.0
+autodocsumm==0.2.14
+jinja2==3.1.5
+matplotlib==3.10.0
+nbconvert==7.16.5
 
diff --git a/trimesh/exchange/load.py b/trimesh/exchange/load.py
index 6a7782d80..6786565e6 100644
--- a/trimesh/exchange/load.py
+++ b/trimesh/exchange/load.py
@@ -132,6 +132,7 @@ def load(
     if len(loaded.geometry) == 1:
         kind = loaded._source.file_type
         geom = next(iter(loaded.geometry.values()))
+        geom.metadata.update(loaded.metadata)
         if (kind not in {"glb", "gltf"} and isinstance(geom, PointCloud)) or kind in {
             "obj",
             "stl",
@@ -242,10 +243,8 @@ def load_scene(
     loaded._source = arg
 
     ## add the "file_path" information to the overall scene metadata
-    # if "metadata" not in kwargs:
-    #    loaded.metadata.update(arg.metadata)
-    # add the load path metadata to every geometry
-    # [g.metadata.update(arg.metadata) for g in loaded.geometry.values()]
+    if "metadata" not in kwargs:
+        loaded.metadata.update(arg.metadata)
 
     return loaded
 
diff --git a/trimesh/path/path.py b/trimesh/path/path.py
index b3e9d4429..0df36378e 100644
--- a/trimesh/path/path.py
+++ b/trimesh/path/path.py
@@ -8,6 +8,7 @@
 
 import collections
 import copy
+import warnings
 from hashlib import sha256
 
 import numpy as np
@@ -18,7 +19,7 @@
 from ..constants import tol_path as tol
 from ..geometry import plane_transform
 from ..points import plane_fit
-from ..typed import ArrayLike, Dict, Iterable, List, NDArray, Optional, float64
+from ..typed import ArrayLike, Dict, Iterable, List, NDArray, Optional, Tuple, float64
 from ..visual import to_rgba
 from . import (
     creation,  # NOQA
@@ -773,12 +774,23 @@ class Path3D(Path):
     Hold multiple vector curves (lines, arcs, splines, etc) in 3D.
     """
 
-    def to_planar(
+    def to_planar(self, *args, **kwargs):
+        """
+        DEPRECATED: replace `path.to_planar`->`path.to_2D), removal 1/1/2026
+        """
+        warnings.warn(
+            "DEPRECATED: replace `path.to_planar`->`path.to_2D), removal 1/1/2026",
+            category=DeprecationWarning,
+            stacklevel=2,
+        )
+        return self.to_3D(*args, **kwargs)
+
+    def to_2D(
         self,
         to_2D: Optional[ArrayLike] = None,
         normal: Optional[ArrayLike] = None,
         check: bool = True,
-    ):
+    ) -> Tuple["Path2D", NDArray[float64]]:
         """
         Check to see if current vectors are all coplanar.
 
@@ -791,17 +803,17 @@ def to_planar(
           Homogeneous transformation matrix to apply,
           if not passed a plane will be fitted to vertices.
         normal : (3,) float or None
-           Normal of direction of plane to use.
+          Normal of direction of plane to use.
         check
-         Raise a ValueError if points aren't coplanar
+          Raise a ValueError if points aren't coplanar.
 
         Returns
         -----------
-        planar : trimesh.path.Path2D
-                   Current path transformed onto plane
-        to_3D :  (4,4) float
-                   Homeogenous transformations to move planar
-                   back into 3D space
+        planar
+          Current path transformed onto plane
+        to_3D : (4, 4) float
+          Homeogenous transformations to move planar
+          back into the original 3D frame.
         """
         # which vertices are actually referenced
         referenced = self.referenced_vertices