diff --git a/source/blender/blenkernel/intern/customdata.cc b/source/blender/blenkernel/intern/customdata.cc
index 5e8330f4262..55898872224 100644
--- a/source/blender/blenkernel/intern/customdata.cc
+++ b/source/blender/blenkernel/intern/customdata.cc
@@ -44,6 +44,7 @@
 #include "BLT_translation.hh"
 
 #include "BKE_anonymous_attribute_id.hh"
+#include "BKE_attribute_math.hh"
 #include "BKE_customdata.hh"
 #include "BKE_customdata_file.h"
 #include "BKE_deform.hh"
@@ -1528,6 +1529,26 @@ static void layerDefault_propquaternion(void *data, const int count)
   MutableSpan(static_cast<math::Quaternion *>(data), count).fill(math::Quaternion::identity());
 }
 
+static void layerInterp_propquaternion(const void **sources,
+                                       const float *weights,
+                                       const float * /*sub_weights*/,
+                                       int count,
+                                       void *dest)
+{
+  using blender::math::Quaternion;
+  Quaternion result;
+  blender::bke::attribute_math::DefaultMixer<Quaternion> mixer({&result, 1},
+                                                               Quaternion::identity());
+
+  for (int i = 0; i < count; i++) {
+    const float interp_weight = weights[i];
+    const Quaternion *src = static_cast<const Quaternion *>(sources[i]);
+    mixer.mix_in(0, *src, interp_weight);
+  }
+  mixer.finalize();
+  *static_cast<Quaternion *>(dest) = result;
+}
+
 /* -------------------------------------------------------------------- */
 /** \name Callbacks for (#math::Quaternion, #CD_PROP_FLOAT4X4)
  * \{ */
@@ -2129,7 +2150,7 @@ static const LayerTypeInfo LAYERTYPEINFO[CD_NUMTYPES] = {
      N_("Quaternion"),
      nullptr,
      nullptr,
-     nullptr,
+     layerInterp_propquaternion,
      nullptr,
      layerDefault_propquaternion},
 };
diff --git a/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc b/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
index 0e62d501d7c..4a9da32df46 100644
--- a/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
+++ b/source/blender/depsgraph/intern/builder/deg_builder_nodes.cc
@@ -2014,7 +2014,9 @@ void DepsgraphNodeBuilder::build_nodetree(bNodeTree *ntree)
       build_nodetree(group_ntree);
     }
     else {
-      BLI_assert_msg(0, "Unknown ID type used for node");
+      /* Ignore this case. It can happen when the node type is not known currently. Either because
+       * it belongs to an add-on or because it comes from a different Blender version that does
+       * support the ID type here already. */
     }
   }
 
diff --git a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
index b5f02b8acff..1fcb8b95830 100644
--- a/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
+++ b/source/blender/depsgraph/intern/builder/deg_builder_relations.cc
@@ -3076,7 +3076,9 @@ void DepsgraphRelationBuilder::build_nodetree(bNodeTree *ntree)
       }
     }
     else {
-      BLI_assert_msg(0, "Unknown ID type used for node");
+      /* Ignore this case. It can happen when the node type is not known currently. Either because
+       * it belongs to an add-on or because it comes from a different Blender version that does
+       * support the ID type here already. */
     }
   }
 
diff --git a/source/blender/nodes/function/nodes/node_fn_transform_point.cc b/source/blender/nodes/function/nodes/node_fn_transform_point.cc
index 620de6cec6a..2a2953c1d43 100644
--- a/source/blender/nodes/function/nodes/node_fn_transform_point.cc
+++ b/source/blender/nodes/function/nodes/node_fn_transform_point.cc
@@ -11,7 +11,7 @@ namespace blender::nodes::node_fn_transform_point_cc {
 static void node_declare(NodeDeclarationBuilder &b)
 {
   b.is_function_node();
-  b.add_input<decl::Vector>("Vector").subtype(PROP_XYZ);
+  b.add_input<decl::Vector>("Vector").subtype(PROP_XYZ).is_default_link_socket();
   b.add_input<decl::Matrix>("Transform");
   b.add_output<decl::Vector>("Vector").subtype(PROP_XYZ);
 }