diff --git a/colorbleed/action.py b/colorbleed/action.py
index 5566518588..4913fe8518 100644
--- a/colorbleed/action.py
+++ b/colorbleed/action.py
@@ -142,7 +142,7 @@ class GenerateUUIDsOnInvalidAction(pyblish.api.Action):
     receive new UUIDs are actually invalid.
 
     Requires:
-        - currentFile on context
+        - instance.data["asset"]
 
     """
 
@@ -166,44 +166,38 @@ class GenerateUUIDsOnInvalidAction(pyblish.api.Action):
         instances = pyblish.api.instances_by_plugin(errored_instances, plugin)
 
         # Get the nodes from the all instances that ran through this plug-in
-        invalid = []
+        all_invalid = []
         for instance in instances:
-            invalid_nodes = plugin.get_invalid(instance)
-            if invalid_nodes:
-                invalid.extend(invalid_nodes)
+            invalid = plugin.get_invalid(instance)
+            if invalid:
 
-        if not invalid:
+                self.log.info("Fixing instance {}".format(instance.name))
+                self._update_id_attribute(instance, invalid)
+
+                all_invalid.extend(invalid)
+
+        if not all_invalid:
             self.log.info("No invalid nodes found.")
             return
 
-        # Ensure unique ( process each node only once )
-        invalid = list(set(invalid))
+        all_invalid = list(set(all_invalid))
+        self.log.info("Generated ids on nodes: {0}".format(all_invalid))
 
-        # Parse context from current file
-        self.log.info("Updating node IDs ...")
-        # Update the attributes
-        self._update_id_attribute(invalid)
-
-        self.log.info("Generated ids on nodes: {0}".format(invalid))
-
-    def _update_id_attribute(self, nodes):
+    def _update_id_attribute(self, instance, nodes):
         """Delete the id attribute
 
         Args:
-            nodes (list): all nodes to remove the attribute from
+            instance: The instance we're fixing for
+            nodes (list): all nodes to regenerate ids on
         """
 
+        import colorbleed.maya.lib as lib
+        import avalon.io as io
+
+        asset = instance.data['asset']
+        asset_id = io.find_one({"name": asset, "type": "asset"},
+                               projection={"_id": True})['_id']
         for node in nodes:
-
-            # get the database asset id
-            attr = "{}.cbId".format(node)
-            id_attr = cmds.getAttr(attr)
-            asset_id = id_attr.split(":")[0]
-
-            # create a new unique id
-            _, uid = str(uuid.uuid4()).rsplit("-", 1)
-            cb_uid = "{}:{}".format(asset_id, uid)
-
-            # set the new id
-            cmds.setAttr(attr, cb_uid, type="string")
+            lib.remove_id(node)
+            lib.set_id(asset_id, node)
 
diff --git a/colorbleed/maya/lib.py b/colorbleed/maya/lib.py
index c0f24fe6f2..a465984138 100644
--- a/colorbleed/maya/lib.py
+++ b/colorbleed/maya/lib.py
@@ -12,14 +12,14 @@ from collections import OrderedDict, defaultdict
 
 from maya import cmds, mel
 
-from avalon import Session, maya, io
+from avalon import api, maya, io
 from cb.utils.maya import core
 
 
 log = logging.getLogger(__name__)
 
 project = io.find_one({"type": "project",
-                       "name": Session["AVALON_PROJECT"]},
+                       "name": os.environ["AVALON_PROJECT"]},
                        projection={"config.template.publish": True,
                                    "_id": False})
 TEMPLATE = project["config"]["template"]["publish"]
@@ -656,7 +656,7 @@ def generate_ids(nodes):
     """Assign a new id of the current active context to the nodes"""
 
     # Get the asset ID from the database for the asset of current context
-    asset_id = io.find_one({"type": "asset", "name": Session["AVALON_ASSET"]},
+    asset_id = io.find_one({"type": "asset", "name": os.environ["AVALON_ASSET"]},
                            projection={"_id": True})
 
     for node in nodes:
@@ -687,22 +687,6 @@ def remove_id(node):
         cmds.deleteAttr("{}.cbId".format(node))
 
 
-def get_representation_file(representation, template=TEMPLATE):
-    """
-    Rebuild the filepath of the representation's context
-    Args:
-        representation (dict): data of the registered in the database
-        template (str): the template to fill
-
-    Returns:
-        str
-
-    """
-    context = representation["context"].copy()
-    context["root"] = Session["AVALON_ROOT"]
-    return template.format(**context)
-
-
 def get_reference_node(path):
     """
     Get the reference node when the path is found being used in a reference
@@ -812,8 +796,8 @@ def assign_look_by_version(nodes, version_id):
                                     "name": "json"})
 
     # Load file
-    shader_filepath = get_representation_file(shader_file)
-    shader_relation = get_representation_file(shader_relations)
+    shader_filepath = api.get_representation_path(shader_file)
+    shader_relation = api.get_representation_path(shader_relations)
 
     reference_node = get_reference_node(shader_filepath)
     if reference_node is None:
diff --git a/colorbleed/maya/menu.json b/colorbleed/maya/menu.json
index eb26bb0f08..e29c231c79 100644
--- a/colorbleed/maya/menu.json
+++ b/colorbleed/maya/menu.json
@@ -808,6 +808,20 @@
                 "title": "Set filename prefix",
                 "tooltip": "Set the render file name prefix."
             },
+            {
+                "type": "action",
+                "command": "$COLORBLEED_SCRIPTS\\shading\\assign_look_ui.py",
+                "sourcetype": "file",
+                "tags": [
+                    "shading",
+                    "lookdev",
+                    "assign",
+                    "shaders",
+                    "auto"
+                ],
+                "title": "Assign Look UI",
+                "tooltip": "Open the Assign Look UI for custom look assignment"
+            },
             {
                 "type": "action",
                 "command": "$COLORBLEED_SCRIPTS\\shading\\autoLookdevAssignment.py",
diff --git a/colorbleed/plugins/maya/create/colorbleed_animation.py b/colorbleed/plugins/maya/create/colorbleed_animation.py
index 68f7ec2744..b559e15ec9 100644
--- a/colorbleed/plugins/maya/create/colorbleed_animation.py
+++ b/colorbleed/plugins/maya/create/colorbleed_animation.py
@@ -5,11 +5,12 @@ from colorbleed.maya import lib
 
 
 class CreateAnimation(avalon.maya.Creator):
-    """THe animated objects in the scene"""
+    """Animation output for character rigs"""
 
     name = "animationDefault"
     label = "Animation"
     family = "colorbleed.animation"
+    icon = "male"
 
     def __init__(self, *args, **kwargs):
         super(CreateAnimation, self).__init__(*args, **kwargs)
diff --git a/colorbleed/plugins/maya/create/colorbleed_camera.py b/colorbleed/plugins/maya/create/colorbleed_camera.py
index 0029380d34..94c1a82225 100644
--- a/colorbleed/plugins/maya/create/colorbleed_camera.py
+++ b/colorbleed/plugins/maya/create/colorbleed_camera.py
@@ -4,11 +4,12 @@ from colorbleed.maya import lib
 
 
 class CreateCamera(avalon.maya.Creator):
-    """Single baked camera extraction"""
+    """Single baked camera"""
 
     name = "cameraDefault"
     label = "Camera"
     family = "colorbleed.camera"
+    icon = "video-camera"
 
     def __init__(self, *args, **kwargs):
         super(CreateCamera, self).__init__(*args, **kwargs)
diff --git a/colorbleed/plugins/maya/create/colorbleed_look.py b/colorbleed/plugins/maya/create/colorbleed_look.py
index 9ac1cbe934..d5c0255360 100644
--- a/colorbleed/plugins/maya/create/colorbleed_look.py
+++ b/colorbleed/plugins/maya/create/colorbleed_look.py
@@ -4,11 +4,12 @@ from colorbleed.maya import lib
 
 
 class CreateLook(avalon.maya.Creator):
-    """Polygonal geometry for animation"""
+    """Shader connections defining shape look"""
 
     name = "look"
     label = "Look"
     family = "colorbleed.look"
+    icon = "paint-brush"
 
     def __init__(self, *args, **kwargs):
         super(CreateLook, self).__init__(*args, **kwargs)
diff --git a/colorbleed/plugins/maya/create/colorbleed_mayaascii.py b/colorbleed/plugins/maya/create/colorbleed_mayaascii.py
index 2c19e13711..d8cc9f9897 100644
--- a/colorbleed/plugins/maya/create/colorbleed_mayaascii.py
+++ b/colorbleed/plugins/maya/create/colorbleed_mayaascii.py
@@ -2,8 +2,9 @@ import avalon.maya
 
 
 class CreateMayaAscii(avalon.maya.Creator):
-    """Raw Maya Ascii file of the item(s)"""
+    """Raw Maya Ascii file export"""
 
     name = "mayaAscii"
     label = "Maya Ascii"
     family = "colorbleed.mayaAscii"
+    icon = "file-archive-o"
diff --git a/colorbleed/plugins/maya/create/colorbleed_model.py b/colorbleed/plugins/maya/create/colorbleed_model.py
index 364d00dc8d..b55b3dc3dd 100644
--- a/colorbleed/plugins/maya/create/colorbleed_model.py
+++ b/colorbleed/plugins/maya/create/colorbleed_model.py
@@ -2,8 +2,9 @@ import avalon.maya
 
 
 class CreateModel(avalon.maya.Creator):
-    """Polygonal geometry for animation"""
+    """Polygonal static geometry"""
 
     name = "modelDefault"
     label = "Model"
     family = "colorbleed.model"
+    icon = "cube"
diff --git a/colorbleed/plugins/maya/create/colorbleed_pointcache.py b/colorbleed/plugins/maya/create/colorbleed_pointcache.py
index 4dd5e11cde..c6a4edc5c1 100644
--- a/colorbleed/plugins/maya/create/colorbleed_pointcache.py
+++ b/colorbleed/plugins/maya/create/colorbleed_pointcache.py
@@ -5,11 +5,12 @@ from colorbleed.maya import lib
 
 
 class CreatePointCache(avalon.maya.Creator):
-    """Alembic extract"""
+    """Alembic pointcache for animated data"""
 
     name = "pointcache"
     label = "Point Cache"
     family = "colorbleed.pointcache"
+    icon = "gears"
 
     def __init__(self, *args, **kwargs):
         super(CreatePointCache, self).__init__(*args, **kwargs)
diff --git a/colorbleed/plugins/maya/create/colorbleed_rig.py b/colorbleed/plugins/maya/create/colorbleed_rig.py
index 3fa718d756..6947aaac31 100644
--- a/colorbleed/plugins/maya/create/colorbleed_rig.py
+++ b/colorbleed/plugins/maya/create/colorbleed_rig.py
@@ -4,11 +4,12 @@ import avalon.maya
 
 
 class CreateRig(avalon.maya.Creator):
-    """Skeleton and controls for manipulation of the geometry"""
+    """Artist-friendly rig with controls to direct motion"""
 
     name = "rigDefault"
     label = "Rig"
     family = "colorbleed.rig"
+    icon = "wheelchair"
 
     def process(self):
         instance = super(CreateRig, self).process()
diff --git a/colorbleed/plugins/maya/create/colorbleed_setdress.py b/colorbleed/plugins/maya/create/colorbleed_setdress.py
new file mode 100644
index 0000000000..47089bea21
--- /dev/null
+++ b/colorbleed/plugins/maya/create/colorbleed_setdress.py
@@ -0,0 +1,10 @@
+import avalon.maya
+
+
+class CreateSetDress(avalon.maya.Creator):
+    """A grouped package of loaded content"""
+
+    name = "setdress"
+    label = "Set Dress"
+    family = "colorbleed.setdress"
+    icon = "cubes"
\ No newline at end of file
diff --git a/colorbleed/plugins/maya/load/load_animation.py b/colorbleed/plugins/maya/load/_load_animation.py
similarity index 94%
rename from colorbleed/plugins/maya/load/load_animation.py
rename to colorbleed/plugins/maya/load/_load_animation.py
index b9f187655d..cabb06d886 100644
--- a/colorbleed/plugins/maya/load/load_animation.py
+++ b/colorbleed/plugins/maya/load/_load_animation.py
@@ -1,10 +1,7 @@
-import os
+import avalon.maya.pipeline
 
 
-from avalon import api
-
-
-class AbcLoader(api.Loader):
+class AbcLoader(avalon.maya.pipeline.ReferenceLoader):
     """Specific loader of Alembic for the avalon.animation family"""
 
     families = ["colorbleed.animation",
diff --git a/colorbleed/plugins/maya/load/actions.py b/colorbleed/plugins/maya/load/actions.py
index 9e54195294..7b63c7d194 100644
--- a/colorbleed/plugins/maya/load/actions.py
+++ b/colorbleed/plugins/maya/load/actions.py
@@ -18,7 +18,7 @@ class SetFrameRangeLoader(api.Loader):
     icon = "clock-o"
     color = "white"
 
-    def process(self, name, namespace, context, data):
+    def load(self, context, name, namespace, data):
 
         import maya.cmds as cmds
 
@@ -52,7 +52,7 @@ class SetFrameRangeWithHandlesLoader(api.Loader):
     icon = "clock-o"
     color = "white"
 
-    def process(self, name, namespace, context, data):
+    def load(self, context, name, namespace, data):
 
         import maya.cmds as cmds
 
diff --git a/colorbleed/plugins/maya/load/load_alembic.py b/colorbleed/plugins/maya/load/load_alembic.py
new file mode 100644
index 0000000000..b0b2b86101
--- /dev/null
+++ b/colorbleed/plugins/maya/load/load_alembic.py
@@ -0,0 +1,56 @@
+from avalon import api
+import avalon.maya.pipeline
+
+
+class AbcLoader(api.Loader):
+    """Specific loader of Alembic for the avalon.animation family"""
+
+    families = ["colorbleed.animation",
+                "colorbleed.camera",
+                "colorbleed.pointcache"]
+    label = "Reference animation"
+    representations = ["abc"]
+    order = -10
+    icon = "code-fork"
+    color = "orange"
+
+    def process(self, name, namespace, context, data):
+
+        import maya.cmds as cmds
+
+        cmds.loadPlugin("AbcImport.mll", quiet=True)
+        nodes = cmds.file(self.fname,
+                          namespace=namespace,
+                          sharedReferenceFile=False,
+                          groupReference=True,
+                          groupName="{}:{}".format(namespace, name),
+                          reference=True,
+                          returnNewNodes=True)
+
+        self[:] = nodes
+
+
+# class SetDressAlembicLoader(avalon.maya.pipeline.ReferenceLoader):
+#     """Load the setdress as alembic"""
+#
+#     families = ["colorbleed.setdress"]
+#     label = "Reference Alembic"
+#     representations = ["abc"]
+#     order = -10
+#     icon = "code-fork"
+#     color = "orange"
+#
+#     def process(self, name, namespace, context, data):
+#
+#         import maya.cmds as cmds
+#
+#         cmds.loadPlugin("AbcImport.mll", quiet=True)
+#         nodes = cmds.file(self.fname,
+#                           namespace=namespace,
+#                           sharedReferenceFile=False,
+#                           groupReference=True,
+#                           groupName="{}:{}".format(namespace, name),
+#                           reference=True,
+#                           returnNewNodes=True)
+#
+#         self[:] = nodes
diff --git a/colorbleed/plugins/maya/load/load_imagesequence.py b/colorbleed/plugins/maya/load/load_imagesequence.py
index 27e24f4782..2386f0c6e7 100644
--- a/colorbleed/plugins/maya/load/load_imagesequence.py
+++ b/colorbleed/plugins/maya/load/load_imagesequence.py
@@ -26,7 +26,7 @@ class OpenImageSequence(api.Loader):
     icon = "play-circle"
     color = "orange"
 
-    def process(self, name, namespace, context, data):
+    def load(self, context, name, namespace, data):
 
         directory = self.fname
         from avalon.vendor import clique
diff --git a/colorbleed/plugins/maya/load/load_look.py b/colorbleed/plugins/maya/load/load_look.py
index 6a265b64ce..157bf89740 100644
--- a/colorbleed/plugins/maya/load/load_look.py
+++ b/colorbleed/plugins/maya/load/load_look.py
@@ -1,10 +1,10 @@
 import os
 import json
 
-from avalon import api
+import avalon.maya.pipeline
 
 
-class LookLoader(api.Loader):
+class LookLoader(avalon.maya.pipeline.ReferenceLoader):
     """Specific loader for lookdev"""
 
     families = ["colorbleed.look"]
@@ -32,14 +32,6 @@ class LookLoader(api.Loader):
         from avalon import maya
         import colorbleed.maya.lib as lib
 
-        # improve readability of the namespace
-        assetname = context["asset"]["name"]
-        ns_assetname = "{}_".format(assetname)
-
-        namespace = maya.unique_namespace(ns_assetname,
-                                          format="%03d",
-                                          suffix="_look")
-
         # try / except here is to ensure that the get_reference_node
         # does not fail when the file doesn't exist yet
         reference_node = None
diff --git a/colorbleed/plugins/maya/load/load_mayaascii.py b/colorbleed/plugins/maya/load/load_mayaascii.py
index 7bc75fca45..cdec04b773 100644
--- a/colorbleed/plugins/maya/load/load_mayaascii.py
+++ b/colorbleed/plugins/maya/load/load_mayaascii.py
@@ -1,7 +1,7 @@
-from avalon import api
+import avalon.maya.pipeline
 
 
-class MayaAsciiLoader(api.Loader):
+class MayaAsciiLoader(avalon.maya.pipeline.ReferenceLoader):
     """Load the model"""
 
     families = ["colorbleed.mayaAscii"]
@@ -17,12 +17,6 @@ class MayaAsciiLoader(api.Loader):
         import maya.cmds as cmds
         from avalon import maya
 
-        # Create a readable namespace
-        # Namespace should contain asset name and counter
-        # TEST_001{_descriptor} where `descriptor` can be `_abc` for example
-        assetname = "{}_".format(namespace.split("_")[0])
-        namespace = maya.unique_namespace(assetname, format="%03d")
-
         with maya.maintained_selection():
             nodes = cmds.file(self.fname,
                               namespace=namespace,
diff --git a/colorbleed/plugins/maya/load/load_model.py b/colorbleed/plugins/maya/load/load_model.py
index 15637c9e81..e5d9dd960a 100644
--- a/colorbleed/plugins/maya/load/load_model.py
+++ b/colorbleed/plugins/maya/load/load_model.py
@@ -1,7 +1,8 @@
-from avalon import api
+import avalon.maya.pipeline
+import avalon.api
 
 
-class ModelLoader(api.Loader):
+class ModelLoader(avalon.maya.pipeline.ReferenceLoader):
     """Load the model"""
 
     families = ["colorbleed.model"]
@@ -17,12 +18,6 @@ class ModelLoader(api.Loader):
         import maya.cmds as cmds
         from avalon import maya
 
-        # Create a readable namespace
-        # Namespace should contain asset name and counter
-        # TEST_001{_descriptor} where `descriptor` can be `_abc` for example
-        assetname = "{}_".format(namespace.split("_")[0])
-        namespace = maya.unique_namespace(assetname, format="%03d")
-
         with maya.maintained_selection():
             nodes = cmds.file(self.fname,
                               namespace=namespace,
@@ -31,4 +26,84 @@ class ModelLoader(api.Loader):
                               groupReference=True,
                               groupName="{}:{}".format(namespace, name))
 
-        self[:] = nodes
\ No newline at end of file
+        self[:] = nodes
+
+
+class GpuCacheLoader(avalon.api.Loader):
+    """Load model Alembic as gpuCache"""
+
+    families = ["colorbleed.model"]
+    representations = ["abc"]
+
+    label = "Import Gpu Cache"
+    order = -5
+    icon = "code-fork"
+    color = "orange"
+
+    def load(self, context, name, namespace, data):
+
+        import maya.cmds as cmds
+        import avalon.maya.lib as lib
+
+        asset = context['asset']['name']
+        namespace = namespace or lib.unique_namespace(
+            asset + "_",
+            prefix="_" if asset[0].isdigit() else "",
+            suffix="_",
+        )
+
+        cmds.loadPlugin("gpuCache", quiet=True)
+
+        # Root group
+        label = "{}:{}".format(namespace, name)
+        root = cmds.group(name=label, empty=True)
+
+        # Create transform with shape
+        transform_name = label + "_GPU"
+        transform = cmds.createNode("transform", name=transform_name,
+                                    parent=root)
+        cache = cmds.createNode("gpuCache",
+                                parent=transform,
+                                name="{0}Shape".format(transform_name))
+
+        # Set the cache filepath
+        cmds.setAttr(cache + '.cacheFileName', self.fname, type="string")
+        cmds.setAttr(cache + '.cacheGeomPath', "|", type="string")    # root
+
+        # Lock parenting of the transform and cache
+        cmds.lockNode([transform, cache], lock=True)
+
+        nodes = [root, transform, cache]
+        self[:] = nodes
+
+        return avalon.maya.pipeline.containerise(
+            name=name,
+            namespace=namespace,
+            nodes=nodes,
+            context=context,
+            loader=self.__class__.__name__)
+
+    def update(self, container, representation):
+
+        import maya.cmds as cmds
+
+        path = avalon.api.get_representation_path(representation)
+
+        # Update the cache
+        members = cmds.sets(container['objectName'], query=True)
+        caches = cmds.ls(members, type="gpuCache", long=True)
+
+        assert len(caches) == 1, "This is a bug"
+
+        for cache in caches:
+            cmds.setAttr(cache + ".cacheFileName", path, type="string")
+
+        cmds.setAttr(container["objectName"] + ".representation",
+                     str(representation["_id"]),
+                     type="string")
+
+    def remove(self, container):
+        import maya.cmds as cmds
+        members = cmds.sets(container['objectName'], query=True)
+        cmds.lockNode(members, lock=False)
+        cmds.delete([container['objectName']] + members)
diff --git a/colorbleed/plugins/maya/load/load_rig.py b/colorbleed/plugins/maya/load/load_rig.py
index 2057086b71..a962380b61 100644
--- a/colorbleed/plugins/maya/load/load_rig.py
+++ b/colorbleed/plugins/maya/load/load_rig.py
@@ -3,7 +3,7 @@ from maya import cmds
 from avalon import api, Session, maya
 
 
-class RigLoader(api.Loader):
+class RigLoader(maya.pipeline.ReferenceLoader):
     """Specific loader for rigs
 
     This automatically creates an instance for animators upon load.
@@ -20,8 +20,6 @@ class RigLoader(api.Loader):
 
     def process(self, name, namespace, context, data):
 
-        assetname = "{}_".format(context["asset"]["name"])
-        unique_namespace = maya.unique_namespace(assetname, format="%03d")
         nodes = cmds.file(self.fname,
                           namespace=namespace,
                           reference=True,
@@ -32,10 +30,9 @@ class RigLoader(api.Loader):
         # Store for post-process
         self[:] = nodes
         if data.get("post_process", True):
-            self._post_process(name, unique_namespace, context, data)
+            self._post_process(name, namespace, context, data)
 
     def _post_process(self, name, namespace, context, data):
-        from avalon import maya
 
         # TODO(marcus): We are hardcoding the name "out_SET" here.
         #   Better register this keyword, so that it can be used
@@ -60,8 +57,8 @@ class RigLoader(api.Loader):
         # Create the animation instance
         with maya.maintained_selection():
             cmds.select([output, controls] + roots, noExpand=True)
-            maya.create(name=namespace,
-                        asset=asset,
-                        family="colorbleed.animation",
-                        options={"useSelection": True},
-                        data={"dependencies": dependency})
+            api.create(name=namespace,
+                       asset=asset,
+                       family="colorbleed.animation",
+                       options={"useSelection": True},
+                       data={"dependencies": dependency})
diff --git a/colorbleed/plugins/maya/load/load_setdress.py b/colorbleed/plugins/maya/load/load_setdress.py
new file mode 100644
index 0000000000..8cc857fc3f
--- /dev/null
+++ b/colorbleed/plugins/maya/load/load_setdress.py
@@ -0,0 +1,80 @@
+from avalon import api
+
+
+class SetDressLoader(api.Loader):
+
+    families = ["colorbleed.setdress"]
+    representations = ["json"]
+
+    label = "Load Set Dress"
+    order = -9
+    icon = "code-fork"
+    color = "orange"
+
+    def load(self, context, name, namespace, data):
+
+        from avalon.maya.pipeline import containerise
+        from avalon.maya import lib
+
+        asset = context['asset']['name']
+        namespace = namespace or lib.unique_namespace(
+            asset + "_",
+            prefix="_" if asset[0].isdigit() else "",
+            suffix="_",
+        )
+
+        from colorbleed import setdress_api
+
+        containers = setdress_api.load_package(filepath=self.fname,
+                                               name=name,
+                                               namespace=namespace)
+
+        self[:] = containers
+
+        # Only containerize if any nodes were loaded by the Loader
+        nodes = self[:]
+        if not nodes:
+            return
+
+        return containerise(
+            name=name,
+            namespace=namespace,
+            nodes=nodes,
+            context=context,
+            loader=self.__class__.__name__)
+
+    def update(self, container, representation):
+
+        from colorbleed import setdress_api
+        return setdress_api.update_package(container,
+                                           representation)
+
+    def remove(self, container):
+        """Remove all sub containers"""
+
+        from avalon import api
+        from colorbleed import setdress_api
+        import maya.cmds as cmds
+
+        # Remove all members
+        member_containers = setdress_api.get_contained_containers(container)
+        for member_container in member_containers:
+            self.log.info("Removing container %s",
+                          member_container['objectName'])
+            api.remove(member_container)
+
+        # Remove alembic hierarchy reference
+        # TODO: Check whether removing all contained references is safe enough
+        members = cmds.sets(container['objectName'], query=True) or []
+        references = cmds.ls(members, type="reference")
+        for reference in references:
+            self.log.info("Removing %s", reference)
+            fname = cmds.referenceQuery(reference, filename=True)
+            cmds.file(fname, removeReference=True)
+
+        # Delete container and its contents
+        if cmds.objExists(container['objectName']):
+            members = cmds.sets(container['objectName'], query=True) or []
+            cmds.delete([container['objectName']] + members)
+
+        # TODO: Ensure namespace is gone
\ No newline at end of file
diff --git a/colorbleed/plugins/maya/publish/collect_instances.py b/colorbleed/plugins/maya/publish/collect_instances.py
index cfeb2d4098..c25856c12c 100644
--- a/colorbleed/plugins/maya/publish/collect_instances.py
+++ b/colorbleed/plugins/maya/publish/collect_instances.py
@@ -47,12 +47,6 @@ class CollectInstances(pyblish.api.ContextPlugin):
         objectset = cmds.ls("*.id", long=True, type="objectSet",
                             recursive=True, objectsOnly=True)
         for objset in objectset:
-            self.log.info("Creating instance for {}".format(objset))
-
-            members = cmds.sets(objset, query=True)
-            if members is None:
-                self.log.info("Skipped empty Set: \"%s\" " % objset)
-                continue
 
             if not cmds.attributeQuery("id", node=objset, exists=True):
                 continue
@@ -68,6 +62,13 @@ class CollectInstances(pyblish.api.ContextPlugin):
                                              exists=True)
             assert has_family, "\"%s\" was missing a family" % objset
 
+            members = cmds.sets(objset, query=True)
+            if members is None:
+                self.log.warning("Skipped empty instance: \"%s\" " % objset)
+                continue
+
+            self.log.info("Creating instance for {}".format(objset))
+
             data = dict()
 
             # Apply each user defined attribute as data
diff --git a/colorbleed/plugins/maya/publish/collect_setdress.py b/colorbleed/plugins/maya/publish/collect_setdress.py
new file mode 100644
index 0000000000..0f405d5cf3
--- /dev/null
+++ b/colorbleed/plugins/maya/publish/collect_setdress.py
@@ -0,0 +1,91 @@
+from collections import defaultdict
+import pyblish.api
+
+from maya import cmds, mel
+from avalon import maya as avalon
+from colorbleed.maya import lib
+
+# TODO : Publish of setdress: -unique namespace for all assets, VALIDATOR!
+
+
+class CollectSetDress(pyblish.api.InstancePlugin):
+    """Collect all relevant setdress items
+
+    Collected data:
+
+        * File name
+        * Compatible loader
+        * Matrix per instance
+        * Namespace
+
+    Note: GPU caches are currently not supported in the pipeline. There is no
+    logic yet which supports the swapping of GPU cache to renderable objects.
+
+    """
+
+    order = pyblish.api.CollectorOrder + 0.49
+    label = "Set Dress"
+    families = ["colorbleed.setdress"]
+
+    def process(self, instance):
+
+        # Find containers
+        containers = avalon.ls()
+
+        # Get all content from the instance
+        instance_lookup = set(cmds.ls(instance, type="transform", long=True))
+        data = defaultdict(list)
+
+        hierarchy_nodes = []
+        for container in containers:
+
+            root = lib.get_container_transforms(container, root=True)
+            if root not in instance_lookup:
+                continue
+
+            # Retrieve the hierarchy
+            parent = cmds.listRelatives(root, parent=True, fullPath=True)[0]
+            hierarchy_nodes.append(parent)
+
+            # Temporary warning for GPU cache which are not supported yet
+            loader = container["loader"]
+            if loader == "GpuCacheLoader":
+                self.log.warning("GPU Cache Loader is currently not supported"
+                                 "in the pipeline, we will export it tho")
+
+            # Gather info for new data entry
+            representation_id = container["representation"]
+            instance_data = {"loader": loader,
+                             "parent": parent,
+                             "namespace": container["namespace"]}
+
+            # Check if matrix differs from default and store changes
+            matrix_data = self.get_matrix_data(root)
+            if matrix_data:
+                instance_data["matrix"] = matrix_data
+
+            data[representation_id].append(instance_data)
+
+        instance.data["scenedata"] = dict(data)
+        instance.data["hierarchy"] = list(set(hierarchy_nodes))
+
+    def get_file_rule(self, rule):
+        return mel.eval('workspace -query -fileRuleEntry "{}"'.format(rule))
+
+    def get_matrix_data(self, node):
+        """Get the matrix of all members when they are not default
+
+        Each matrix which differs from the default will be stored in a
+        dictionary
+
+        Args:
+            members (list): list of transform nmodes
+        Returns:
+            dict
+        """
+
+        matrix = cmds.xform(node, query=True, matrix=True)
+        if matrix == lib.DEFAULT_MATRIX:
+            return
+
+        return matrix
diff --git a/colorbleed/plugins/maya/publish/extract_pointcache.py b/colorbleed/plugins/maya/publish/extract_pointcache.py
index bd80029010..727649ccf5 100644
--- a/colorbleed/plugins/maya/publish/extract_pointcache.py
+++ b/colorbleed/plugins/maya/publish/extract_pointcache.py
@@ -25,8 +25,8 @@ class ExtractColorbleedAlembic(colorbleed.api.Extractor):
         nodes = instance[:]
 
         # Collect the start and end including handles
-        start = instance.data["startFrame"]
-        end = instance.data["endFrame"]
+        start = instance.data.get("startFrame", 1)
+        end = instance.data.get("endFrame", 1)
         handles = instance.data.get("handles", 0)
         if handles:
             start -= handles
diff --git a/colorbleed/plugins/maya/publish/extract_setdress.py b/colorbleed/plugins/maya/publish/extract_setdress.py
new file mode 100644
index 0000000000..1d04358c83
--- /dev/null
+++ b/colorbleed/plugins/maya/publish/extract_setdress.py
@@ -0,0 +1,54 @@
+import json
+
+import os
+
+import colorbleed.api
+from colorbleed.maya.lib import extract_alembic
+
+from maya import cmds
+
+
+class ExtractSetDress(colorbleed.api.Extractor):
+    """Produce an alembic of just point positions and normals.
+
+    Positions and normals are preserved, but nothing more,
+    for plain and predictable point caches.
+
+    """
+
+    label = "Extract Set Dress"
+    hosts = ["maya"]
+    families = ["colorbleed.setdress"]
+
+    def process(self, instance):
+
+        parent_dir = self.staging_dir(instance)
+        hierarchy_filename = "{}.abc".format(instance.name)
+        hierarchy_path = os.path.join(parent_dir, hierarchy_filename)
+        json_filename = "{}.json".format(instance.name)
+        json_path = os.path.join(parent_dir, json_filename)
+
+        self.log.info("Dumping scene data for debugging ..")
+        with open(json_path, "w") as filepath:
+            json.dump(instance.data["scenedata"], filepath, ensure_ascii=False)
+
+        self.log.info("Extracting point cache ..")
+        cmds.select(instance.data["hierarchy"])
+
+        # Run basic alembic exporter
+        extract_alembic(file=hierarchy_path,
+                        startFrame=1.0,
+                        endFrame=1.0,
+                        **{"step": 1.0,
+                           "attr": ["cbId"],
+                           "writeVisibility": True,
+                           "writeCreases": True,
+                           "uvWrite": True,
+                           "selection": True})
+
+        instance.data["files"] = [json_path, hierarchy_path]
+
+        # Remove data
+        instance.data.pop("scenedata", None)
+
+        cmds.select(clear=True)
diff --git a/colorbleed/plugins/maya/publish/validate_rig_controllers.py b/colorbleed/plugins/maya/publish/validate_rig_controllers.py
index 465c6d3f7b..f504a0f47e 100644
--- a/colorbleed/plugins/maya/publish/validate_rig_controllers.py
+++ b/colorbleed/plugins/maya/publish/validate_rig_controllers.py
@@ -4,6 +4,7 @@ from maya import cmds
 
 import pyblish.api
 import colorbleed.api
+import colorbleed.maya.lib as lib
 
 log = logging.getLogger("Rig Controllers")
 
@@ -78,13 +79,10 @@ class ValidateRigControllers(pyblish.api.InstancePlugin):
     @staticmethod
     def validate_transforms(control):
         tolerance = 1e-30
-        identity = [1.0, 0.0, 0.0, 0.0,
-                    0.0, 1.0, 0.0, 0.0,
-                    0.0, 0.0, 1.0, 0.0,
-                    0.0, 0.0, 0.0, 1.0]
 
         matrix = cmds.xform(control, query=True, matrix=True, objectSpace=True)
-        if not all(abs(x - y) < tolerance for x, y in zip(identity, matrix)):
+        if not all(abs(x - y) < tolerance for x, y in zip(lib.DEFAULT_MATRIX,
+                                                          matrix)):
             log.error("%s matrix : %s" % (control, matrix))
             return False
         return True
@@ -106,11 +104,6 @@ class ValidateRigControllers(pyblish.api.InstancePlugin):
     @classmethod
     def repair(cls, instance):
 
-        identity = [1.0, 0.0, 0.0, 0.0,
-                    0.0, 1.0, 0.0, 0.0,
-                    0.0, 0.0, 1.0, 0.0,
-                    0.0, 0.0, 0.0, 1.0]
-
         # lock all controllers in controls_SET
         controls = cmds.sets("controls_SET", query=True)
         for control in controls:
@@ -123,4 +116,6 @@ class ValidateRigControllers(pyblish.api.InstancePlugin):
 
             log.info("Repairing matrix")
             if not cls.validate_transforms(control):
-                cmds.xform(control, matrix=identity, objectSpace=True)
+                cmds.xform(control,
+                           matrix=lib.DEFAULT_MATRIX,
+                           objectSpace=True)
diff --git a/colorbleed/plugins/maya/publish/validate_setdress_namespaces.py b/colorbleed/plugins/maya/publish/validate_setdress_namespaces.py
new file mode 100644
index 0000000000..09015faddd
--- /dev/null
+++ b/colorbleed/plugins/maya/publish/validate_setdress_namespaces.py
@@ -0,0 +1,35 @@
+import pyblish.api
+from collection import defaultdict
+
+
+class ValidateSetdressNamespaces(pyblish.api.InstancePlugin):
+    """Ensure namespaces are not nested"""
+
+    label = "Validate Setdress Namespaces"
+    order = pyblish.api.ValidatorOrder
+    families = ["colorbleed.setdress"]
+
+    def process(self, instance):
+
+        self.log.info("Checking namespace for %s", instance.name)
+        if self.get_invalid(instance):
+            self.log.error("Nested namespaces found")
+
+    @classmethod
+    def get_invalid(cls, instance):
+
+        from maya import cmds
+
+        invalid = []
+
+        namspace_lookup = defaultdict(list)
+        for item in cmds.ls(instance):
+            namespace, node = item.rsplit(":", 1)[0]
+            namspace_lookup[namespace].append(node)
+
+        for namespace, nodes in namspace_lookup.items():
+            parts = [p for p in namespace.split(":") if p != ""]
+            if len(parts) > 1:
+                invalid.extend(nodes)
+
+        return invalid
\ No newline at end of file
diff --git a/colorbleed/plugins/publish/integrate.py b/colorbleed/plugins/publish/integrate.py
index c4b9325b6e..4e39919be5 100644
--- a/colorbleed/plugins/publish/integrate.py
+++ b/colorbleed/plugins/publish/integrate.py
@@ -30,6 +30,7 @@ class IntegrateAsset(pyblish.api.InstancePlugin):
                 "colorbleed.mayaAscii",
                 "colorbleed.model",
                 "colorbleed.pointcache",
+                "colorbleed.setdress",
                 "colorbleed.rig"]
 
     def process(self, instance):
@@ -47,10 +48,10 @@ class IntegrateAsset(pyblish.api.InstancePlugin):
     def register(self, instance):
 
         # Required environment variables
-        PROJECT = Session["AVALON_PROJECT"]
+        PROJECT = os.environ["AVALON_PROJECT"]
         ASSET = instance.data.get("asset") or Session["AVALON_ASSET"]
-        SILO = Session["AVALON_SILO"]
-        LOCATION = Session("AVALON_LOCATION")
+        SILO = os.environ["AVALON_SILO"]
+        LOCATION = os.environ("AVALON_LOCATION")
 
         context = instance.context
         # Atomicity
@@ -139,7 +140,7 @@ class IntegrateAsset(pyblish.api.InstancePlugin):
         root = api.registered_root()
         template_data = {"root": root,
                          "project": PROJECT,
-                         "silo": SILO,
+                         "silo": asset['silo'],
                          "asset": ASSET,
                          "subset": subset["name"],
                          "version": version["name"]}
@@ -213,7 +214,7 @@ class IntegrateAsset(pyblish.api.InstancePlugin):
                 "context": {
                     "project": PROJECT,
                     "asset": ASSET,
-                    "silo": SILO,
+                    "silo": asset['silo'],
                     "subset": subset["name"],
                     "version": version["name"],
                     "representation": ext[1:]
@@ -318,9 +319,9 @@ class IntegrateAsset(pyblish.api.InstancePlugin):
         current_families = instance.data.get("families", list())
         instance_family = instance.data.get("family", None)
 
-        families += current_families
         if instance_family is not None:
             families.append(instance_family)
+        families += current_families
 
         # create relative source path for DB
         relative_path = os.path.relpath(context.data["currentFile"],
@@ -333,4 +334,10 @@ class IntegrateAsset(pyblish.api.InstancePlugin):
                         "source": source,
                         "comment": context.data.get("comment")}
 
-        return dict(instance.data, **version_data)
+        # Include optional data if present in
+        optionals = ["startFrame", "endFrame", "step", "handles"]
+        for key in optionals:
+            if key in instance.data:
+                version_data[key] = instance.data[key]
+
+        return version_data
diff --git a/colorbleed/setdress_api.py b/colorbleed/setdress_api.py
new file mode 100644
index 0000000000..734f130df0
--- /dev/null
+++ b/colorbleed/setdress_api.py
@@ -0,0 +1,554 @@
+import logging
+import json
+import os
+
+import contextlib
+import copy
+
+from maya import cmds
+
+from avalon import api
+import avalon.io as io
+from avalon.maya.lib import unique_namespace
+
+log = logging.getLogger("PackageLoader")
+
+
+def matrix_equals(current_matrix, original_matrix, tolerance=1e-10):
+    """
+    Compares two matrices with an imperfection tolerance
+
+    Args:
+        current_matrix (list, tuple): the matrix to check
+        original_matrix (list, tuple): the matrix to check against
+        tolerance (long): the precision of the differences
+
+    Returns:
+        bool : True or False
+
+    """
+    zipped = zip(current_matrix, original_matrix)
+    if not all(abs(x - y) < tolerance for x, y in zipped):
+        return False
+    return True
+
+
+def to_namespace(node, namespace):
+    """Return node name as if it's inside the namespace.
+
+    Args:
+        node (str): Node name
+        namespace (str): Namespace
+
+    Returns:
+        str: The node in the namespace.
+
+    """
+    namespace_prefix = "|{}:".format(namespace)
+    node = namespace_prefix.join(node.split("|"))
+    return node
+
+
+@contextlib.contextmanager
+def namespaced(namespace, new=True):
+    """Work inside namespace during context
+
+    Args:
+        new (bool): When enabled this will rename the namespace to a unique
+            namespace if the input namespace already exists.
+
+    Yields:
+        str: The namespace that is used during the context
+
+    """
+    original = cmds.namespaceInfo(cur=True)
+    if new:
+        namespace = unique_namespace(namespace)
+        cmds.namespace(add=namespace)
+
+    try:
+        cmds.namespace(set=namespace)
+        yield namespace
+    finally:
+        cmds.namespace(set=original)
+
+
+@contextlib.contextmanager
+def unlocked(nodes):
+
+    # Get node state by Maya's uuid
+    nodes = cmds.ls(nodes, long=True)
+    uuids = cmds.ls(nodes, uuid=True)
+    states = cmds.lockNode(nodes, query=True, lock=True)
+    states = {uuid: state for uuid, state in zip(uuids, states)}
+
+    try:
+        cmds.lockNode(nodes, lock=False)
+        yield
+    finally:
+        # Reapply original states
+        for uuid, state in states.iteritems():
+            nodes_from_id = cmds.ls(uuid, long=True)
+            if not nodes_from_id:
+                log.warning("Node not found: %s", uuid)
+                continue
+            cmds.lockNode(nodes_from_id[0], lock=state)
+
+
+def load_package(filepath, name, namespace=None):
+    """Load a package that was gathered elsewhere.
+
+    A package is a group of published instances, possibly with additional data
+    in a hierarchy.
+
+    """
+
+    from avalon.tools.cbloader import lib
+
+    if namespace is None:
+        # Define a unique namespace for the package
+        namespace = os.path.basename(filepath).split(".")[0]
+        unique_namespace(namespace)
+    assert isinstance(namespace, basestring)
+
+    # Load the setdress package data
+    with open(filepath, "r") as fp:
+        data = json.load(fp)
+
+    # Load the setdress alembic hierarchy
+    #   We import this into the namespace in which we'll load the package's
+    #   instances into afterwards.
+    alembic = filepath.replace(".json", ".abc")
+    hierarchy = cmds.file(alembic,
+                          reference=True,
+                          namespace=namespace,
+                          returnNewNodes=True,
+                          groupReference=True,
+                          groupName="{}:{}".format(namespace, name),
+                          typ="Alembic")
+
+    # Get the top root node (the reference group)
+    root = "{}:{}".format(namespace, name)
+
+    containers = []
+    for representation_id, instances in data.items():
+
+        # Find the compatible loaders
+        loaders = list(lib.iter_loaders(representation_id))
+
+        for instance in instances:
+            container = _add(instance=instance,
+                             representation_id=representation_id,
+                             loaders=loaders,
+                             namespace=namespace,
+                             root=root)
+            containers.append(container)
+
+    # TODO: Do we want to cripple? Or do we want to add a 'parent' parameter?
+    # Cripple the original avalon containers so they don't show up in the
+    # manager
+    # for container in containers:
+    #     cmds.setAttr("%s.id" % container,
+    #                  "colorbleed.setdress.container",
+    #                  type="string")
+
+    # TODO: Lock all loaded nodes
+    #   This is to ensure the hierarchy remains unaltered by the artists
+    # for node in nodes:
+    #      cmds.lockNode(node, lock=True)
+
+    return containers + hierarchy
+
+
+def _add(instance, representation_id, loaders, namespace, root="|"):
+    """Add an item from the package
+
+    Args:
+        instance (dict):
+        representation_id (str):
+        loaders (list):
+        namespace (str):
+
+    Returns:
+        str: The created Avalon container.
+
+    """
+
+    from colorbleed.maya.lib import get_container_transforms
+
+    # Process within the namespace
+    with namespaced(namespace, new=False) as namespace:
+
+        # Get the used loader
+        Loader = next((x for x in loaders if
+                       x.__name__ == instance['loader']),
+                      None)
+
+        if Loader is None:
+            log.warning("Loader is missing: %s. Skipping %s",
+                        instance['loader'], instance)
+            raise RuntimeError("Loader is missing.")
+
+        container = api.load(Loader,
+                             representation_id,
+                             namespace=instance['namespace'])
+
+        # Get the root from the loaded container
+        loaded_root = get_container_transforms({"objectName": container},
+                                               root=True)
+
+        # Apply matrix to root node (if any matrix edits)
+        matrix = instance.get("matrix", None)
+        if matrix:
+            cmds.xform(loaded_root, objectSpace=True, matrix=matrix)
+
+        # Parent into the setdress hierarchy
+        # Namespace is missing from parent node(s), add namespace
+        # manually
+        parent = root + to_namespace(instance["parent"], namespace)
+        cmds.parent(loaded_root, parent, relative=True)
+
+        return container
+
+
+# Store root nodes based on representation and namespace
+def _instances_by_namespace(data):
+    """Rebuild instance data so we can look it up by namespace.
+
+    Note that the `representation` is added into the instance's
+    data with a `representation` key.
+
+    Args:
+        data (dict): scene build data
+
+    Returns:
+        dict
+
+    """
+    result = {}
+    # Add new assets
+    for representation_id, instances in data.items():
+
+        # Ensure we leave the source data unaltered
+        instances = copy.deepcopy(instances)
+        for instance in instances:
+            instance['representation'] = representation_id
+            result[instance['namespace']] = instance
+
+    return result
+
+
+def get_contained_containers(container):
+    """Get the Avalon containers in this container
+    
+    Args:
+        container (dict): The container dict.
+        
+    Returns:
+        list: A list of member container dictionaries.
+        
+    """
+
+    import avalon.schema
+    from avalon.maya.pipeline import parse_container
+
+    # Get avalon containers in this package setdress container
+    containers = []
+    members = cmds.sets(container['objectName'], query=True)
+    for node in cmds.ls(members, type="objectSet"):
+        try:
+            member_container = parse_container(node)
+            containers.append(member_container)
+        except avalon.schema.ValidationError:
+            pass
+
+    return containers
+
+
+def update_package_version(container, version):
+    """
+    Update package by version number
+
+    Args:
+        container (dict): container data of the container node
+        version (int): the new version number of the package
+
+    Returns:
+        None
+
+    """
+
+    # Versioning (from `core.maya.pipeline`)
+    current_representation = io.find_one({
+        "_id": io.ObjectId(container["representation"])
+    })
+
+    assert current_representation is not None, "This is a bug"
+
+    version_, subset, asset, project = io.parenthood(current_representation)
+
+    if version == -1:
+        new_version = io.find_one({
+            "type": "version",
+            "parent": subset["_id"]
+        }, sort=[("name", -1)])
+    else:
+        new_version = io.find_one({
+            "type": "version",
+            "parent": subset["_id"],
+            "name": version,
+        })
+
+    assert new_version is not None, "This is a bug"
+
+    # Get the new representation (new file)
+    new_representation = io.find_one({
+        "type": "representation",
+        "parent": new_version["_id"],
+        "name": current_representation["name"]
+    })
+
+    update_package(container, new_representation)
+
+
+def update_package(set_container, representation):
+    """Update any matrix changes in the scene based on the new data
+
+    Args:
+        set_container (dict): container data from `ls()`
+        representation (dict): the representation document from the database
+
+    Returns:
+        None
+
+    """
+
+    # Load the original package data
+    current_representation = io.find_one({
+        "_id": io.ObjectId(set_container['representation']),
+        "type": "representation"
+    })
+
+    current_file = api.get_representation_path(current_representation)
+    assert current_file.endswith(".json")
+    with open(current_file, "r") as fp:
+        current_data = json.load(fp)
+
+    # Load the new package data
+    new_file = api.get_representation_path(representation)
+    assert new_file.endswith(".json")
+    with open(new_file, "r") as fp:
+        new_data = json.load(fp)
+
+    # Update scene content
+    containers = get_contained_containers(set_container)
+    update_scene(set_container, containers, current_data, new_data, new_file)
+
+    # TODO: This should be handled by the pipeline itself
+    cmds.setAttr(set_container['objectName'] + ".representation",
+                 str(representation['_id']), type="string")
+
+
+def update_scene(set_container, containers, current_data, new_data, new_file):
+    """Updates the hierarchy, assets and their matrix
+
+    Updates the following withing the scene:
+        * Setdress hierarchy alembic
+        * Matrix
+        * Parenting
+        * Representations
+
+    It removes any assets which are not present in the new build data
+
+    Args:
+        set_container (dict): the setdress container of the scene
+        containers (list): the list of containers under the setdress container
+        current_data (dict): the current build data of the setdress
+        new_data (dict): the new build data of the setdres
+
+    Returns:
+        processed_containers (list): all new and updated containers
+
+    """
+
+    from colorbleed.maya.lib import DEFAULT_MATRIX, get_container_transforms
+    from avalon.tools.cbloader import lib
+
+    set_namespace = set_container['namespace']
+
+    # Update the setdress hierarchy alembic
+    set_root = get_container_transforms(set_container, root=True)
+    set_hierarchy_root = cmds.listRelatives(set_root, fullPath=True)[0]
+    set_hierarchy_reference = cmds.referenceQuery(set_hierarchy_root,
+                                                  referenceNode=True)
+    new_alembic = new_file.replace(".json", ".abc")
+    assert os.path.exists(new_alembic), "%s does not exist." % new_alembic
+    with unlocked(cmds.listRelatives(set_root, ad=True, fullPath=True)):
+        cmds.file(new_alembic,
+                  loadReference=set_hierarchy_reference,
+                  type="Alembic")
+
+    identity = DEFAULT_MATRIX[:]
+
+    processed_namespaces = set()
+    processed_containers = list()
+
+    new_lookup = _instances_by_namespace(new_data)
+    old_lookup = _instances_by_namespace(current_data)
+    for container in containers:
+        container_ns = container['namespace']
+
+        # Consider it processed here, even it it fails we want to store that
+        # the namespace was already available.
+        processed_namespaces.add(container_ns)
+        processed_containers.append(container['objectName'])
+
+        if container_ns in new_lookup:
+            root = get_container_transforms(container, root=True)
+            if not root:
+                log.error("Can't find root for %s", container['objectName'])
+                continue
+
+            old_instance = old_lookup.get(container_ns, {})
+            new_instance = new_lookup[container_ns]
+
+            # Update the matrix
+            # check matrix against old_data matrix to find local overrides
+            current_matrix = cmds.xform(root,
+                                        query=True,
+                                        matrix=True,
+                                        objectSpace=True)
+
+            original_matrix = old_instance.get("matrix", identity)
+            has_matrix_override = not matrix_equals(current_matrix,
+                                                    original_matrix)
+
+            if has_matrix_override:
+                log.warning("Matrix override preserved on %s", container_ns)
+
+            else:
+                new_matrix = new_instance.get("matrix", identity)
+                cmds.xform(root, matrix=new_matrix, objectSpace=True)
+
+            # Update the parenting
+            if old_instance.get("parent", None) != new_instance["parent"]:
+
+                parent = to_namespace(new_instance['parent'], set_namespace)
+                if not cmds.objExists(parent):
+                    log.error("Can't find parent %s", parent)
+                    continue
+
+                # Set the new parent
+                cmds.lockNode(root, lock=False)
+                root = cmds.parent(root, parent, relative=True)
+                cmds.lockNode(root, lock=True)
+
+            # Update the representation
+            representation_current = container['representation']
+            representation_old = old_instance['representation']
+            representation_new = new_instance['representation']
+            has_representation_override = (representation_current !=
+                                           representation_old)
+
+            if representation_new != representation_current:
+
+                if has_representation_override:
+                    log.warning("Your scene had local representation "
+                                "overrides within the set. New "
+                                "representations not loaded for %s.",
+                                container_ns)
+                    continue
+
+                # We check it against the current 'loader' in the scene instead
+                # of the original data of the package that was loaded because
+                # an Artist might have made scene local overrides
+                if new_instance['loader'] != container['loader']:
+                    log.error("Switching loader between updates is not "
+                              "supported. Skipping: %s", container_ns)
+                    continue
+
+                # Check whether the conversion can be done by the Loader.
+                # They *must* use the same asset, subset and Loader for
+                # `api.update` to make sense.
+                old = io.find_one({"_id": io.ObjectId(representation_current)})
+                new = io.find_one({"_id": io.ObjectId(representation_new)})
+                is_valid = compare_representations(old=old, new=new)
+                if not is_valid:
+                    log.error("Skipping: %s. See log for details.",
+                              container_ns)
+                    continue
+
+                new_version = new["context"]["version"]
+                api.update(container, version=new_version)
+
+        else:
+            # Remove this container because it's not in the new data
+            log.warning("Removing content: %s", container_ns)
+            api.remove(container)
+
+    # Add new assets
+    for representation_id, instances in new_data.items():
+
+        # Find the compatible loaders
+        loaders = list(lib.iter_loaders(representation_id))
+
+        for instance in instances:
+
+            # Already processed in update functionality
+            if instance['namespace'] in processed_namespaces:
+                continue
+
+            container = _add(instance=instance,
+                             representation_id=representation_id,
+                             loaders=loaders,
+                             namespace=set_container['namespace'],
+                             root=set_root)
+
+            # Add to the setdress container
+            cmds.sets(container,
+                      addElement=set_container['objectName'])
+
+            processed_containers.append(container)
+
+    return processed_containers
+
+
+def compare_representations(old, new):
+    """Check if the old representation given can be updated
+
+    Due to limitations of the `api.update` function we cannot allow
+    differences in the following data:
+
+    * Representation name (extension)
+    * Asset name
+    * Subset name (variation)
+
+    If any of those data values differs, the function will raise an
+    RuntimeError
+
+    Args:
+        old(dict): representation data from the database
+        new(dict): representation data from the database
+
+    Returns:
+        bool: False if the representation is not invalid else True
+    """
+
+    if new["name"] != old["name"]:
+        log.error("Cannot switch extensions")
+        return False
+
+    new_context = new["context"]
+    old_context = old["context"]
+
+    if new_context["asset"] != old_context["asset"]:
+        log.error("Changing assets between updates is "
+                  "not supported.")
+        return False
+
+    if new_context["subset"] != old_context["subset"]:
+        log.error("Changing subsets between updates is "
+                  "not supported.")
+        return False
+
+    return True