diff --git a/CHANGELOG.md b/CHANGELOG.md
index d1b390da5e..bffbc69931 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## [3.8.0-nightly.5](https://github.com/pypeclub/OpenPype/tree/HEAD)
+## [3.8.0-nightly.6](https://github.com/pypeclub/OpenPype/tree/HEAD)
 
 [Full Changelog](https://github.com/pypeclub/OpenPype/compare/3.7.0...HEAD)
 
@@ -11,52 +11,57 @@
 
 **🆕 New features**
 
-- Flame: OpenTimelineIO Export Modul [\#2398](https://github.com/pypeclub/OpenPype/pull/2398)
+- Flame: collecting publishable instances [\#2519](https://github.com/pypeclub/OpenPype/pull/2519)
+- Flame: create publishable clips [\#2495](https://github.com/pypeclub/OpenPype/pull/2495)
 
 **🚀 Enhancements**
 
+- Webpublisher: Moved error at the beginning of the log [\#2559](https://github.com/pypeclub/OpenPype/pull/2559)
+- Ftrack: Use ApplicationManager to get DJV path [\#2558](https://github.com/pypeclub/OpenPype/pull/2558)
+- Webpublisher: Added endpoint to reprocess batch through UI [\#2555](https://github.com/pypeclub/OpenPype/pull/2555)
 - Settings: PathInput strip passed string [\#2550](https://github.com/pypeclub/OpenPype/pull/2550)
+- Global: Exctract Review anatomy fill data with output name [\#2548](https://github.com/pypeclub/OpenPype/pull/2548)
+- Flame: extracting segments with trans-coding  [\#2547](https://github.com/pypeclub/OpenPype/pull/2547)
+- Cosmetics: Clean up some cosmetics / typos [\#2542](https://github.com/pypeclub/OpenPype/pull/2542)
 - General: Validate if current process OpenPype version is requested version [\#2529](https://github.com/pypeclub/OpenPype/pull/2529)
 - General: Be able to use anatomy data in ffmpeg output arguments [\#2525](https://github.com/pypeclub/OpenPype/pull/2525)
 - Expose toggle publish plug-in settings for Maya Look Shading Engine Naming [\#2521](https://github.com/pypeclub/OpenPype/pull/2521)
 - Photoshop: Move implementation to OpenPype [\#2510](https://github.com/pypeclub/OpenPype/pull/2510)
 - TimersManager: Move module one hierarchy higher [\#2501](https://github.com/pypeclub/OpenPype/pull/2501)
 - Slack: notifications are sent with Openpype logo and bot name [\#2499](https://github.com/pypeclub/OpenPype/pull/2499)
-- Ftrack: Event handlers settings [\#2496](https://github.com/pypeclub/OpenPype/pull/2496)
-- Flame - create publishable clips [\#2495](https://github.com/pypeclub/OpenPype/pull/2495)
-- Tools: Fix style and modality of errors in loader and creator [\#2489](https://github.com/pypeclub/OpenPype/pull/2489)
 - Project Manager: Remove project button cleanup [\#2482](https://github.com/pypeclub/OpenPype/pull/2482)
-- Tools: Be able to change models of tasks and assets widgets [\#2475](https://github.com/pypeclub/OpenPype/pull/2475)
-- Publish pype: Reduce publish process defering [\#2464](https://github.com/pypeclub/OpenPype/pull/2464)
-- Maya: Improve speed of Collect History logic [\#2460](https://github.com/pypeclub/OpenPype/pull/2460)
-- Maya: Validate Rig Controllers - fix Error: in script editor [\#2459](https://github.com/pypeclub/OpenPype/pull/2459)
-- Maya: Optimize Validate Locked Normals speed for dense polymeshes [\#2457](https://github.com/pypeclub/OpenPype/pull/2457)
-- Fix \#2453 Refactor missing \_get\_reference\_node method [\#2455](https://github.com/pypeclub/OpenPype/pull/2455)
+- Maya: Refactor missing \_get\_reference\_node method [\#2455](https://github.com/pypeclub/OpenPype/pull/2455)
 - Houdini: Remove broken unique name counter [\#2450](https://github.com/pypeclub/OpenPype/pull/2450)
 - Maya: Improve lib.polyConstraint performance when Select tool is not the active tool context [\#2447](https://github.com/pypeclub/OpenPype/pull/2447)
 - General: Validate third party before build [\#2425](https://github.com/pypeclub/OpenPype/pull/2425)
-- Maya : add option to not group reference in ReferenceLoader [\#2383](https://github.com/pypeclub/OpenPype/pull/2383)
 
 **🐛 Bug fixes**
 
+- AfterEffects: Fix - removed obsolete import [\#2577](https://github.com/pypeclub/OpenPype/pull/2577)
+- Ftrack: Delete action revision [\#2563](https://github.com/pypeclub/OpenPype/pull/2563)
+- Webpublisher: ftrack shows incorrect user names [\#2560](https://github.com/pypeclub/OpenPype/pull/2560)
+- General: Do not validate version if build does not support it [\#2557](https://github.com/pypeclub/OpenPype/pull/2557)
+- Webpublisher: Fixed progress reporting [\#2553](https://github.com/pypeclub/OpenPype/pull/2553)
+- Fix Maya AssProxyLoader version switch [\#2551](https://github.com/pypeclub/OpenPype/pull/2551)
+- General: Fix install thread in igniter [\#2549](https://github.com/pypeclub/OpenPype/pull/2549)
+- Houdini: vdbcache family preserve frame numbers on publish integration + enable validate version for Houdini [\#2535](https://github.com/pypeclub/OpenPype/pull/2535)
+- Maya: Fix Load VDB to V-Ray [\#2533](https://github.com/pypeclub/OpenPype/pull/2533)
+- Fix create zip tool - path argument [\#2522](https://github.com/pypeclub/OpenPype/pull/2522)
+- Maya: Fix Extract Look with space in names [\#2518](https://github.com/pypeclub/OpenPype/pull/2518)
 - Fix published frame content for sequence starting with 0 [\#2513](https://github.com/pypeclub/OpenPype/pull/2513)
-- Fix \#2497: reset empty string attributes correctly to "" instead of "None" [\#2506](https://github.com/pypeclub/OpenPype/pull/2506)
-- General: Settings work if OpenPypeVersion is available [\#2494](https://github.com/pypeclub/OpenPype/pull/2494)
-- General: PYTHONPATH may break OpenPype dependencies [\#2493](https://github.com/pypeclub/OpenPype/pull/2493)
-- Workfiles tool: Files widget show files on first show [\#2488](https://github.com/pypeclub/OpenPype/pull/2488)
-- General: Custom template paths filter fix [\#2483](https://github.com/pypeclub/OpenPype/pull/2483)
-- Loader: Remove always on top flag in tray [\#2480](https://github.com/pypeclub/OpenPype/pull/2480)
-- General: Anatomy does not return root envs as unicode [\#2465](https://github.com/pypeclub/OpenPype/pull/2465)
+- Maya: reset empty string attributes correctly to "" instead of "None" [\#2506](https://github.com/pypeclub/OpenPype/pull/2506)
+- Improve FusionPreLaunch hook errors [\#2505](https://github.com/pypeclub/OpenPype/pull/2505)
 - Maya: Validate Shape Zero do not keep fixed geometry vertices selected/active after repair [\#2456](https://github.com/pypeclub/OpenPype/pull/2456)
 
 **Merged pull requests:**
 
-- General: Fix install thread in igniter [\#2549](https://github.com/pypeclub/OpenPype/pull/2549)
 - AfterEffects: Move implementation to OpenPype [\#2543](https://github.com/pypeclub/OpenPype/pull/2543)
-- Fix create zip tool - path argument [\#2522](https://github.com/pypeclub/OpenPype/pull/2522)
-- General: Modules import function output fix [\#2492](https://github.com/pypeclub/OpenPype/pull/2492)
-- AE: fix hiding of alert window below Publish [\#2491](https://github.com/pypeclub/OpenPype/pull/2491)
-- Maya: Validate NGONs re-use polyConstraint code from openpype.host.maya.api.lib [\#2458](https://github.com/pypeclub/OpenPype/pull/2458)
+- Maya: Remove Maya Look Assigner check on startup [\#2540](https://github.com/pypeclub/OpenPype/pull/2540)
+- build\(deps\): bump shelljs from 0.8.4 to 0.8.5 in /website [\#2538](https://github.com/pypeclub/OpenPype/pull/2538)
+- build\(deps\): bump follow-redirects from 1.14.4 to 1.14.7 in /website [\#2534](https://github.com/pypeclub/OpenPype/pull/2534)
+- Maya: ReferenceLoader fix not unique group name error for attach to root [\#2532](https://github.com/pypeclub/OpenPype/pull/2532)
+- Maya: namespaced context go back to original namespace when started from inside a namespace [\#2531](https://github.com/pypeclub/OpenPype/pull/2531)
+- Nuke: Merge avalon's implementation into OpenPype [\#2514](https://github.com/pypeclub/OpenPype/pull/2514)
 
 ## [3.7.0](https://github.com/pypeclub/OpenPype/tree/3.7.0) (2022-01-04)
 
@@ -72,14 +77,6 @@
 - Modules: JobQueue module moved one hierarchy level higher [\#2419](https://github.com/pypeclub/OpenPype/pull/2419)
 - TimersManager: Start timer post launch hook [\#2418](https://github.com/pypeclub/OpenPype/pull/2418)
 - General: Run applications as separate processes under linux [\#2408](https://github.com/pypeclub/OpenPype/pull/2408)
-- Ftrack: Check existence of object type on recreation [\#2404](https://github.com/pypeclub/OpenPype/pull/2404)
-- Enhancement: Global cleanup plugin that explicitly remove paths from context [\#2402](https://github.com/pypeclub/OpenPype/pull/2402)
-- General: MongoDB ability to specify replica set groups [\#2401](https://github.com/pypeclub/OpenPype/pull/2401)
-- Flame: moving `utility\_scripts` to api folder also with `scripts` [\#2385](https://github.com/pypeclub/OpenPype/pull/2385)
-- Centos 7 dependency compatibility [\#2384](https://github.com/pypeclub/OpenPype/pull/2384)
-- Enhancement: Settings: Use project settings values from another project [\#2382](https://github.com/pypeclub/OpenPype/pull/2382)
-- Blender 3: Support auto install for new blender version [\#2377](https://github.com/pypeclub/OpenPype/pull/2377)
-- Maya add render image path to settings [\#2375](https://github.com/pypeclub/OpenPype/pull/2375)
 
 **🐛 Bug fixes**
 
@@ -89,21 +86,10 @@
 - Settings UI: Breadcrumbs path does not create new entities [\#2416](https://github.com/pypeclub/OpenPype/pull/2416)
 - AfterEffects: Variant 2022 is in defaults but missing in schemas [\#2412](https://github.com/pypeclub/OpenPype/pull/2412)
 - Nuke: baking representations was not additive [\#2406](https://github.com/pypeclub/OpenPype/pull/2406)
-- General: Fix access to environments from default settings [\#2403](https://github.com/pypeclub/OpenPype/pull/2403)
-- Fix: Placeholder Input color set fix [\#2399](https://github.com/pypeclub/OpenPype/pull/2399)
-- Settings: Fix state change of wrapper label [\#2396](https://github.com/pypeclub/OpenPype/pull/2396)
-- Flame: fix ftrack publisher [\#2381](https://github.com/pypeclub/OpenPype/pull/2381)
-- hiero: solve custom ocio path  [\#2379](https://github.com/pypeclub/OpenPype/pull/2379)
-- hiero: fix workio and flatten [\#2378](https://github.com/pypeclub/OpenPype/pull/2378)
-- Nuke: fixing menu re-drawing during context change  [\#2374](https://github.com/pypeclub/OpenPype/pull/2374)
-- Webpublisher: Fix assignment of families of TVpaint instances [\#2373](https://github.com/pypeclub/OpenPype/pull/2373)
 
 **Merged pull requests:**
 
 - Forced cx\_freeze to include sqlite3 into build  [\#2432](https://github.com/pypeclub/OpenPype/pull/2432)
-- Maya: Replaced PATH usage with vendored oiio path for maketx utility [\#2405](https://github.com/pypeclub/OpenPype/pull/2405)
-- \[Fix\]\[MAYA\] Handle message type attribute within CollectLook [\#2394](https://github.com/pypeclub/OpenPype/pull/2394)
-- Add validator to check correct version of extension for PS and AE [\#2387](https://github.com/pypeclub/OpenPype/pull/2387)
 
 ## [3.6.4](https://github.com/pypeclub/OpenPype/tree/3.6.4) (2021-11-23)
 
diff --git a/openpype/hosts/aftereffects/plugins/publish/collect_render.py b/openpype/hosts/aftereffects/plugins/publish/collect_render.py
index 15c3382313..74d38751e1 100644
--- a/openpype/hosts/aftereffects/plugins/publish/collect_render.py
+++ b/openpype/hosts/aftereffects/plugins/publish/collect_render.py
@@ -3,7 +3,6 @@ import re
 import tempfile
 import attr
 
-from avalon import aftereffects
 import pyblish.api
 
 from openpype.settings import get_project_settings
diff --git a/openpype/hosts/houdini/plugins/publish/collect_instances.py b/openpype/hosts/houdini/plugins/publish/collect_instances.py
index ac081ac297..12d118f0cc 100644
--- a/openpype/hosts/houdini/plugins/publish/collect_instances.py
+++ b/openpype/hosts/houdini/plugins/publish/collect_instances.py
@@ -74,6 +74,9 @@ class CollectInstances(pyblish.api.ContextPlugin):
 
             instance = context.create_instance(label)
 
+            # Include `families` using `family` data
+            instance.data["families"] = [instance.data["family"]]
+
             instance[:] = [node]
             instance.data.update(data)
 
diff --git a/openpype/hosts/houdini/plugins/publish/extract_vdb_cache.py b/openpype/hosts/houdini/plugins/publish/extract_vdb_cache.py
index 78794acc97..113e1b0bcb 100644
--- a/openpype/hosts/houdini/plugins/publish/extract_vdb_cache.py
+++ b/openpype/hosts/houdini/plugins/publish/extract_vdb_cache.py
@@ -37,5 +37,7 @@ class ExtractVDBCache(openpype.api.Extractor):
             "ext": "vdb",
             "files": output,
             "stagingDir": staging_dir,
+            "frameStart": instance.data["frameStart"],
+            "frameEnd": instance.data["frameEnd"],
         }
         instance.data["representations"].append(representation)
diff --git a/openpype/hosts/maya/plugins/load/load_vdb_to_vray.py b/openpype/hosts/maya/plugins/load/load_vdb_to_vray.py
index 80b453bd13..ed561e1131 100644
--- a/openpype/hosts/maya/plugins/load/load_vdb_to_vray.py
+++ b/openpype/hosts/maya/plugins/load/load_vdb_to_vray.py
@@ -2,6 +2,72 @@ from avalon import api
 from openpype.api import get_project_settings
 import os
 
+from maya import cmds
+
+# List of 3rd Party Channels Mapping names for VRayVolumeGrid
+# See: https://docs.chaosgroup.com/display/VRAY4MAYA/Input
+#      #Input-3rdPartyChannelsMapping
+THIRD_PARTY_CHANNELS = {
+    2: "Smoke",
+    1: "Temperature",
+    10: "Fuel",
+    4: "Velocity.x",
+    5: "Velocity.y",
+    6: "Velocity.z",
+    7: "Red",
+    8: "Green",
+    9: "Blue",
+    14: "Wavelet Energy",
+    19: "Wavelet.u",
+    20: "Wavelet.v",
+    21: "Wavelet.w",
+    # These are not in UI or documentation but V-Ray does seem to set these.
+    15: "AdvectionOrigin.x",
+    16: "AdvectionOrigin.y",
+    17: "AdvectionOrigin.z",
+
+}
+
+
+def _fix_duplicate_vvg_callbacks():
+    """Workaround to kill duplicate VRayVolumeGrids attribute callbacks.
+
+    This fixes a huge lag in Maya on switching 3rd Party Channels Mappings
+    or to different .vdb file paths because it spams an attribute changed
+    callback: `vvgUserChannelMappingsUpdateUI`.
+
+    ChaosGroup bug ticket: 154-008-9890
+
+    Found with:
+        - Maya 2019.2 on Windows 10
+        - V-Ray: V-Ray Next for Maya, update 1 version 4.12.01.00001
+
+    Bug still present in:
+        - Maya 2022.1 on Windows 10
+        - V-Ray 5 for Maya, Update 2.1 (v5.20.01 from Dec 16 2021)
+
+    """
+    # todo(roy): Remove when new V-Ray release fixes duplicate calls
+
+    jobs = cmds.scriptJob(listJobs=True)
+
+    matched = set()
+    for entry in jobs:
+        # Remove the number
+        index, callback = entry.split(":", 1)
+        callback = callback.strip()
+
+        # Detect whether it is a `vvgUserChannelMappingsUpdateUI`
+        # attribute change callback
+        if callback.startswith('"-runOnce" 1 "-attributeChange" "'):
+            if '"vvgUserChannelMappingsUpdateUI(' in callback:
+                if callback in matched:
+                    # If we've seen this callback before then
+                    # delete the duplicate callback
+                    cmds.scriptJob(kill=int(index))
+                else:
+                    matched.add(callback)
+
 
 class LoadVDBtoVRay(api.Loader):
 
@@ -14,15 +80,24 @@ class LoadVDBtoVRay(api.Loader):
 
     def load(self, context, name, namespace, data):
 
-        from maya import cmds
         import avalon.maya.lib as lib
         from avalon.maya.pipeline import containerise
 
+        assert os.path.exists(self.fname), (
+            "Path does not exist: %s" % self.fname
+        )
+
         try:
             family = context["representation"]["context"]["family"]
         except ValueError:
             family = "vdbcache"
 
+        # Ensure V-ray is loaded with the vrayvolumegrid
+        if not cmds.pluginInfo("vrayformaya", query=True, loaded=True):
+            cmds.loadPlugin("vrayformaya")
+        if not cmds.pluginInfo("vrayvolumegrid", query=True, loaded=True):
+            cmds.loadPlugin("vrayvolumegrid")
+
         # Check if viewport drawing engine is Open GL Core (compat)
         render_engine = None
         compatible = "OpenGLCoreProfileCompat"
@@ -30,13 +105,11 @@ class LoadVDBtoVRay(api.Loader):
             render_engine = cmds.optionVar(query="vp2RenderingEngine")
 
         if not render_engine or render_engine != compatible:
-            raise RuntimeError("Current scene's settings are incompatible."
-                               "See Preferences > Display > Viewport 2.0 to "
-                               "set the render engine to '%s'" % compatible)
+            self.log.warning("Current scene's settings are incompatible."
+                             "See Preferences > Display > Viewport 2.0 to "
+                             "set the render engine to '%s'" % compatible)
 
         asset = context['asset']
-        version = context["version"]
-
         asset_name = asset["name"]
         namespace = namespace or lib.unique_namespace(
             asset_name + "_",
@@ -45,7 +118,7 @@ class LoadVDBtoVRay(api.Loader):
         )
 
         # Root group
-        label = "{}:{}".format(namespace, name)
+        label = "{}:{}_VDB".format(namespace, name)
         root = cmds.group(name=label, empty=True)
 
         settings = get_project_settings(os.environ['AVALON_PROJECT'])
@@ -55,20 +128,24 @@ class LoadVDBtoVRay(api.Loader):
         if c is not None:
             cmds.setAttr(root + ".useOutlinerColor", 1)
             cmds.setAttr(root + ".outlinerColor",
-                (float(c[0])/255),
-                (float(c[1])/255),
-                (float(c[2])/255)
-            )
+                         float(c[0]) / 255,
+                         float(c[1]) / 255,
+                         float(c[2]) / 255)
 
-        # Create VR
+        # Create VRayVolumeGrid
         grid_node = cmds.createNode("VRayVolumeGrid",
-                                    name="{}VVGShape".format(label),
+                                    name="{}Shape".format(label),
                                     parent=root)
 
-        # Set attributes
-        cmds.setAttr("{}.inFile".format(grid_node), self.fname, type="string")
-        cmds.setAttr("{}.inReadOffset".format(grid_node),
-                     version["startFrames"])
+        # Ensure .currentTime is connected to time1.outTime
+        cmds.connectAttr("time1.outTime", grid_node + ".currentTime")
+
+        # Set path
+        self._set_path(grid_node, self.fname, show_preset_popup=True)
+
+        # Lock the shape node so the user can't delete the transform/shape
+        # as if it was referenced
+        cmds.lockNode(grid_node, lock=True)
 
         nodes = [root, grid_node]
         self[:] = nodes
@@ -79,3 +156,132 @@ class LoadVDBtoVRay(api.Loader):
             nodes=nodes,
             context=context,
             loader=self.__class__.__name__)
+
+    def _set_path(self, grid_node, path, show_preset_popup=True):
+
+        from openpype.hosts.maya.api.lib import attribute_values
+        from maya import cmds
+
+        def _get_filename_from_folder(path):
+            # Using the sequence of .vdb files we check the frame range, etc.
+            # to set the filename with #### padding.
+            files = sorted(x for x in os.listdir(path) if x.endswith(".vdb"))
+            if not files:
+                raise RuntimeError("Couldn't find .vdb files in: %s" % path)
+
+            if len(files) == 1:
+                # Ensure check for single file is also done in folder
+                fname = files[0]
+            else:
+                # Sequence
+                from avalon.vendor import clique
+                # todo: check support for negative frames as input
+                collections, remainder = clique.assemble(files)
+                assert len(collections) == 1, (
+                    "Must find a single image sequence, "
+                    "found: %s" % (collections,)
+                )
+                collection = collections[0]
+
+                fname = collection.format('{head}{{padding}}{tail}')
+                padding = collection.padding
+                if padding == 0:
+                    # Clique doesn't provide padding if the frame number never
+                    # starts with a zero and thus has never any visual padding.
+                    # So we fall back to the smallest frame number as padding.
+                    padding = min(len(str(i)) for i in collection.indexes)
+
+                # Supply frame/padding with # signs
+                padding_str = "#" * padding
+                fname = fname.format(padding=padding_str)
+
+            return os.path.join(path, fname)
+
+        # The path is either a single file or sequence in a folder so
+        # we do a quick lookup for our files
+        if os.path.isfile(path):
+            path = os.path.dirname(path)
+        path = _get_filename_from_folder(path)
+
+        # Even when not applying a preset V-Ray will reset the 3rd Party
+        # Channels Mapping of the VRayVolumeGrid when setting the .inPath
+        # value. As such we try and preserve the values ourselves.
+        # Reported as ChaosGroup bug ticket: 154-011-2909 
+        # todo(roy): Remove when new V-Ray release preserves values
+        original_user_mapping = cmds.getAttr(grid_node + ".usrchmap") or ""
+
+        # Workaround for V-Ray bug: fix lag on path change, see function
+        _fix_duplicate_vvg_callbacks()
+
+        # Suppress preset pop-up if we want.
+        popup_attr = "{0}.inDontOfferPresets".format(grid_node)
+        popup = {popup_attr: not show_preset_popup}
+        with attribute_values(popup):
+            cmds.setAttr(grid_node + ".inPath", path, type="string")
+
+        # Reapply the 3rd Party channels user mapping when no preset popup
+        # was shown to the user
+        if not show_preset_popup:
+            channels = cmds.getAttr(grid_node + ".usrchmapallch").split(";")
+            channels = set(channels)  # optimize lookup
+            restored_mapping = ""
+            for entry in original_user_mapping.split(";"):
+                if not entry:
+                    # Ignore empty entries
+                    continue
+
+                # If 3rd Party Channels selection channel still exists then
+                # add it again.
+                index, channel = entry.split(",")
+                attr = THIRD_PARTY_CHANNELS.get(int(index),
+                                                # Fallback for when a mapping
+                                                # was set that is not in the
+                                                # documentation
+                                                "???")
+                if channel in channels:
+                    restored_mapping += entry + ";"
+                else:
+                    self.log.warning("Can't preserve '%s' mapping due to "
+                                     "missing channel '%s' on node: "
+                                     "%s" % (attr, channel, grid_node))
+
+            if restored_mapping:
+                cmds.setAttr(grid_node + ".usrchmap",
+                             restored_mapping,
+                             type="string")
+
+    def update(self, container, representation):
+
+        path = api.get_representation_path(representation)
+
+        # Find VRayVolumeGrid
+        members = cmds.sets(container['objectName'], query=True)
+        grid_nodes = cmds.ls(members, type="VRayVolumeGrid", long=True)
+        assert len(grid_nodes) > 0, "This is a bug"
+
+        # Update the VRayVolumeGrid
+        for grid_node in grid_nodes:
+            self._set_path(grid_node, path=path, show_preset_popup=False)
+
+        # Update container representation
+        cmds.setAttr(container["objectName"] + ".representation",
+                     str(representation["_id"]),
+                     type="string")
+
+    def switch(self, container, representation):
+        self.update(container, representation)
+
+    def remove(self, container):
+
+        # Get all members of the avalon container, ensure they are unlocked
+        # and delete everything
+        members = cmds.sets(container['objectName'], query=True)
+        cmds.lockNode(members, lock=False)
+        cmds.delete([container['objectName']] + members)
+
+        # Clean up the namespace
+        try:
+            cmds.namespace(removeNamespace=container['namespace'],
+                           deleteNamespaceContent=True)
+        except RuntimeError:
+            pass
diff --git a/openpype/hosts/maya/plugins/publish/extract_look.py b/openpype/hosts/maya/plugins/publish/extract_look.py
index 953539f65c..bf79ddbf44 100644
--- a/openpype/hosts/maya/plugins/publish/extract_look.py
+++ b/openpype/hosts/maya/plugins/publish/extract_look.py
@@ -22,6 +22,11 @@ COPY = 1
 HARDLINK = 2
 
 
+def escape_space(path):
+    """Ensure path is enclosed by quotes to allow paths with spaces"""
+    return '"{}"'.format(path) if " " in path else path
+
+
 def find_paths_by_hash(texture_hash):
     """Find the texture hash key in the dictionary.
 
@@ -76,7 +81,7 @@ def maketx(source, destination, *args):
     ]
 
     cmd.extend(args)
-    cmd.extend(["-o", destination, source])
+    cmd.extend(["-o", escape_space(destination), escape_space(source)])
 
     cmd = " ".join(cmd)
 
@@ -314,7 +319,6 @@ class ExtractLook(openpype.api.Extractor):
         do_maketx = instance.data.get("maketx", False)
 
         # Collect all unique files used in the resources
-        files = set()
         files_metadata = {}
         for resource in resources:
             # Preserve color space values (force value after filepath change)
@@ -325,7 +329,6 @@ class ExtractLook(openpype.api.Extractor):
             for f in resource["files"]:
                 files_metadata[os.path.normpath(f)] = {
                     "color_space": color_space}
-                # files.update(os.path.normpath(f))
 
         # Process the resource files
         transfers = []
@@ -333,7 +336,6 @@ class ExtractLook(openpype.api.Extractor):
         hashes = {}
         force_copy = instance.data.get("forceCopy", False)
 
-        self.log.info(files)
         for filepath in files_metadata:
 
             linearize = False
@@ -492,7 +494,7 @@ class ExtractLook(openpype.api.Extractor):
                 # Include `source-hash` as string metadata
                 "-sattrib",
                 "sourceHash",
-                texture_hash,
+                escape_space(texture_hash),
                 colorconvert,
             )
 
diff --git a/openpype/plugins/publish/validate_version.py b/openpype/plugins/publish/validate_version.py
index e48ce6e3c3..b94152ef2d 100644
--- a/openpype/plugins/publish/validate_version.py
+++ b/openpype/plugins/publish/validate_version.py
@@ -10,7 +10,7 @@ class ValidateVersion(pyblish.api.InstancePlugin):
     order = pyblish.api.ValidatorOrder
 
     label = "Validate Version"
-    hosts = ["nuke", "maya", "blender", "standalonepublisher"]
+    hosts = ["nuke", "maya", "houdini", "blender", "standalonepublisher"]
 
     optional = False
     active = True
diff --git a/openpype/tools/mayalookassigner/app.py b/openpype/tools/mayalookassigner/app.py
index fb99333f87..31bb455f95 100644
--- a/openpype/tools/mayalookassigner/app.py
+++ b/openpype/tools/mayalookassigner/app.py
@@ -24,7 +24,6 @@ from .commands import (
 )
 from .vray_proxies import vrayproxy_assign_look
 
-
 module = sys.modules[__name__]
 module.window = None
 
@@ -210,7 +209,7 @@ class App(QtWidgets.QWidget):
             # Assign the first matching look relevant for this asset
             # (since assigning multiple to the same nodes makes no sense)
             assign_look = next((subset for subset in item["looks"]
-                               if subset["name"] in looks), None)
+                                if subset["name"] in looks), None)
             if not assign_look:
                 self.echo("{} No matching selected "
                           "look for {}".format(prefix, asset))
@@ -229,11 +228,14 @@ class App(QtWidgets.QWidget):
 
             if cmds.pluginInfo('vrayformaya', query=True, loaded=True):
                 self.echo("Getting vray proxy nodes ...")
-                vray_proxies = set(cmds.ls(type="VRayProxy"))
-                nodes = list(set(item["nodes"]).difference(vray_proxies))
+                vray_proxies = set(cmds.ls(type="VRayProxy", long=True))
+
                 if vray_proxies:
                     for vp in vray_proxies:
-                        vrayproxy_assign_look(vp, subset_name)
+                        if vp in nodes:
+                            vrayproxy_assign_look(vp, subset_name)
+
+                    nodes = list(set(item["nodes"]).difference(vray_proxies))
 
                 # Assign look
             if nodes:
diff --git a/openpype/tools/mayalookassigner/commands.py b/openpype/tools/mayalookassigner/commands.py
index f7d26f9adb..b9402d8ea1 100644
--- a/openpype/tools/mayalookassigner/commands.py
+++ b/openpype/tools/mayalookassigner/commands.py
@@ -8,7 +8,6 @@ from openpype.hosts.maya.api import lib
 
 from avalon import io, api
 
-
 from .vray_proxies import get_alembic_ids_cache
 
 log = logging.getLogger(__name__)
@@ -90,6 +89,7 @@ def get_all_asset_nodes():
         container_name = container["objectName"]
         nodes += cmds.sets(container_name, query=True, nodesOnly=True) or []
 
+    nodes = list(set(nodes))
     return nodes
 
 
@@ -106,9 +106,19 @@ def create_asset_id_hash(nodes):
         # iterate over content of reference node
         if cmds.nodeType(node) == "reference":
             ref_hashes = create_asset_id_hash(
-                cmds.referenceQuery(node, nodes=True))
+                list(set(cmds.referenceQuery(node, nodes=True, dp=True))))
             for asset_id, ref_nodes in ref_hashes.items():
                 node_id_hash[asset_id] += ref_nodes
+        elif cmds.pluginInfo('vrayformaya', query=True,
+                             loaded=True) and cmds.nodeType(
+                node) == "VRayProxy":
+            path = cmds.getAttr("{}.fileName".format(node))
+            ids = get_alembic_ids_cache(path)
+            for k, _ in ids.items():
+                pid = k.split(":")[0]
+                if node not in node_id_hash[pid]:
+                    node_id_hash[pid].append(node)
+
         else:
             value = lib.get_id(node)
             if value is None:
@@ -141,22 +151,8 @@ def create_items_from_nodes(nodes):
 
     id_hashes = create_asset_id_hash(nodes)
 
-    # get ids from alembic
-    if cmds.pluginInfo('vrayformaya', query=True, loaded=True):
-        vray_proxy_nodes = cmds.ls(nodes, type="VRayProxy")
-        for vp in vray_proxy_nodes:
-            path = cmds.getAttr("{}.fileName".format(vp))
-            ids = get_alembic_ids_cache(path)
-            parent_id = {}
-            for k, _ in ids.items():
-                pid = k.split(":")[0]
-                if not parent_id.get(pid):
-                    parent_id.update({pid: [vp]})
-
-            print("Adding ids from alembic {}".format(path))
-            id_hashes.update(parent_id)
-
     if not id_hashes:
+        log.warning("No id hashes")
         return asset_view_items
 
     for _id, id_nodes in id_hashes.items():
diff --git a/openpype/tools/mayalookassigner/vray_proxies.py b/openpype/tools/mayalookassigner/vray_proxies.py
index d2f345e628..ecc9a2a873 100644
--- a/openpype/tools/mayalookassigner/vray_proxies.py
+++ b/openpype/tools/mayalookassigner/vray_proxies.py
@@ -41,7 +41,12 @@ def get_alembic_paths_by_property(filename, attr, verbose=False):
     filename = filename.replace("\\", "/")
     filename = str(filename)  # path must be string
 
-    archive = alembic.Abc.IArchive(filename)
+    try:
+        archive = alembic.Abc.IArchive(filename)
+    except RuntimeError:
+        # invalid alembic file - probably vrmesh
+        log.warning("{} is not an alembic file".format(filename))
+        return {}
     root = archive.getTop()
 
     iterator = list(root.children)
@@ -201,9 +206,7 @@ def load_look(version_id):
         with avalon.maya.maintained_selection():
             container_node = api.load(loader, look_representation)
 
-    # Get container members
-    shader_nodes = cmds.sets(container_node, query=True)
-    return shader_nodes
+    return cmds.sets(container_node, query=True)
 
 
 def get_latest_version(asset_id, subset):
diff --git a/openpype/tools/mayalookassigner/widgets.py b/openpype/tools/mayalookassigner/widgets.py
index 625e9ef8c6..fceaf27244 100644
--- a/openpype/tools/mayalookassigner/widgets.py
+++ b/openpype/tools/mayalookassigner/widgets.py
@@ -20,7 +20,6 @@ MODELINDEX = QtCore.QModelIndex()
 
 
 class AssetOutliner(QtWidgets.QWidget):
-
     refreshed = QtCore.Signal()
     selection_changed = QtCore.Signal()
 
@@ -84,14 +83,13 @@ class AssetOutliner(QtWidgets.QWidget):
         """
 
         selection_model = self.view.selectionModel()
-        items = [row.data(TreeModel.ItemRole) for row in
-                 selection_model.selectedRows(0)]
-
-        return items
+        return [row.data(TreeModel.ItemRole)
+                for row in selection_model.selectedRows(0)]
 
     def get_all_assets(self):
         """Add all items from the current scene"""
 
+        items = []
         with lib.preserve_expanded_rows(self.view):
             with lib.preserve_selection(self.view):
                 self.clear()
@@ -118,7 +116,7 @@ class AssetOutliner(QtWidgets.QWidget):
 
         # Collect all nodes by hash (optimization)
         if not selection:
-            nodes = cmds.ls(dag=True,  long=True)
+            nodes = cmds.ls(dag=True, long=True)
         else:
             nodes = commands.get_selected_nodes()
         id_nodes = commands.create_asset_id_hash(nodes)
@@ -187,7 +185,6 @@ class AssetOutliner(QtWidgets.QWidget):
 
 
 class LookOutliner(QtWidgets.QWidget):
-
     menu_apply_action = QtCore.Signal()
 
     def __init__(self, parent=None):
@@ -237,9 +234,7 @@ class LookOutliner(QtWidgets.QWidget):
         """
 
         datas = [i.data(TreeModel.ItemRole) for i in self.view.get_indices()]
-        items = [d for d in datas if d is not None]  # filter Nones
-
-        return items
+        return [d for d in datas if d is not None]
 
     def right_mouse_menu(self, pos):
         """Build RMB menu for look view"""
diff --git a/openpype/version.py b/openpype/version.py
index 121bb01e8f..60e619d7c0 100644
--- a/openpype/version.py
+++ b/openpype/version.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 """Package declaring Pype version."""
-__version__ = "3.8.0-nightly.5"
+__version__ = "3.8.0-nightly.6"
diff --git a/pyproject.toml b/pyproject.toml
index 04d48401ab..72152bd433 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "OpenPype"
-version = "3.8.0-nightly.5" # OpenPype
+version = "3.8.0-nightly.6" # OpenPype
 description = "Open VFX and Animation pipeline with support."
 authors = ["OpenPype Team <info@openpype.io>"]
 license = "MIT License"