diff --git a/openpype/host/host.py b/openpype/host/host.py
index 94416bb39a..28d0a21b34 100644
--- a/openpype/host/host.py
+++ b/openpype/host/host.py
@@ -1,3 +1,4 @@
+import os
 import logging
 import contextlib
 from abc import ABCMeta, abstractproperty
@@ -100,6 +101,30 @@ class HostBase(object):
 
         pass
 
+    def get_current_project_name(self):
+        """
+        Returns:
+            Union[str, None]: Current project name.
+        """
+
+        return os.environ.get("AVALON_PROJECT")
+
+    def get_current_asset_name(self):
+        """
+        Returns:
+            Union[str, None]: Current asset name.
+        """
+
+        return os.environ.get("AVALON_ASSET")
+
+    def get_current_task_name(self):
+        """
+        Returns:
+            Union[str, None]: Current task name.
+        """
+
+        return os.environ.get("AVALON_ASSET")
+
     def get_current_context(self):
         """Get current context information.
 
@@ -111,19 +136,14 @@ class HostBase(object):
         Default implementation returns values from 'legacy_io.Session'.
 
         Returns:
-            dict: Context with 3 keys 'project_name', 'asset_name' and
-                'task_name'. All of them can be 'None'.
+            Dict[str, Union[str, None]]: Context with 3 keys 'project_name',
+                'asset_name' and 'task_name'. All of them can be 'None'.
         """
 
-        from openpype.pipeline import legacy_io
-
-        if legacy_io.is_installed():
-            legacy_io.install()
-
         return {
-            "project_name": legacy_io.Session["AVALON_PROJECT"],
-            "asset_name": legacy_io.Session["AVALON_ASSET"],
-            "task_name": legacy_io.Session["AVALON_TASK"]
+            "project_name": self.get_current_project_name(),
+            "asset_name": self.get_current_asset_name(),
+            "task_name": self.get_current_task_name()
         }
 
     def get_context_title(self):
diff --git a/openpype/hosts/blender/plugins/publish/validate_camera_zero_keyframe.py b/openpype/hosts/blender/plugins/publish/validate_camera_zero_keyframe.py
index 84b9dd1a6e..48c267fd18 100644
--- a/openpype/hosts/blender/plugins/publish/validate_camera_zero_keyframe.py
+++ b/openpype/hosts/blender/plugins/publish/validate_camera_zero_keyframe.py
@@ -19,7 +19,6 @@ class ValidateCameraZeroKeyframe(pyblish.api.InstancePlugin):
     order = ValidateContentsOrder
     hosts = ["blender"]
     families = ["camera"]
-    version = (0, 1, 0)
     label = "Zero Keyframe"
     actions = [openpype.hosts.blender.api.action.SelectInvalidAction]
 
diff --git a/openpype/hosts/blender/plugins/publish/validate_mesh_has_uv.py b/openpype/hosts/blender/plugins/publish/validate_mesh_has_uv.py
index cee855671d..edf47193be 100644
--- a/openpype/hosts/blender/plugins/publish/validate_mesh_has_uv.py
+++ b/openpype/hosts/blender/plugins/publish/validate_mesh_has_uv.py
@@ -14,7 +14,6 @@ class ValidateMeshHasUvs(pyblish.api.InstancePlugin):
     order = ValidateContentsOrder
     hosts = ["blender"]
     families = ["model"]
-    category = "geometry"
     label = "Mesh Has UV's"
     actions = [openpype.hosts.blender.api.action.SelectInvalidAction]
     optional = True
diff --git a/openpype/hosts/blender/plugins/publish/validate_mesh_no_negative_scale.py b/openpype/hosts/blender/plugins/publish/validate_mesh_no_negative_scale.py
index 45ac08811d..618feb95c1 100644
--- a/openpype/hosts/blender/plugins/publish/validate_mesh_no_negative_scale.py
+++ b/openpype/hosts/blender/plugins/publish/validate_mesh_no_negative_scale.py
@@ -14,7 +14,6 @@ class ValidateMeshNoNegativeScale(pyblish.api.Validator):
     order = ValidateContentsOrder
     hosts = ["blender"]
     families = ["model"]
-    category = "geometry"
     label = "Mesh No Negative Scale"
     actions = [openpype.hosts.blender.api.action.SelectInvalidAction]
 
diff --git a/openpype/hosts/blender/plugins/publish/validate_no_colons_in_name.py b/openpype/hosts/blender/plugins/publish/validate_no_colons_in_name.py
index f5dc9fdd5c..1a98ec4c1d 100644
--- a/openpype/hosts/blender/plugins/publish/validate_no_colons_in_name.py
+++ b/openpype/hosts/blender/plugins/publish/validate_no_colons_in_name.py
@@ -19,7 +19,6 @@ class ValidateNoColonsInName(pyblish.api.InstancePlugin):
     order = ValidateContentsOrder
     hosts = ["blender"]
     families = ["model", "rig"]
-    version = (0, 1, 0)
     label = "No Colons in names"
     actions = [openpype.hosts.blender.api.action.SelectInvalidAction]
 
diff --git a/openpype/hosts/blender/plugins/publish/validate_transform_zero.py b/openpype/hosts/blender/plugins/publish/validate_transform_zero.py
index 742826d3d9..66ef731e6e 100644
--- a/openpype/hosts/blender/plugins/publish/validate_transform_zero.py
+++ b/openpype/hosts/blender/plugins/publish/validate_transform_zero.py
@@ -21,7 +21,6 @@ class ValidateTransformZero(pyblish.api.InstancePlugin):
     order = ValidateContentsOrder
     hosts = ["blender"]
     families = ["model"]
-    version = (0, 1, 0)
     label = "Transform Zero"
     actions = [openpype.hosts.blender.api.action.SelectInvalidAction]
 
diff --git a/openpype/hosts/houdini/api/plugin.py b/openpype/hosts/houdini/api/plugin.py
index 4ca6b50702..61127bda57 100644
--- a/openpype/hosts/houdini/api/plugin.py
+++ b/openpype/hosts/houdini/api/plugin.py
@@ -113,7 +113,7 @@ class HoudiniCreatorBase(object):
             Dict[str, Any]: Shared data dictionary.
 
         """
-        if shared_data.get("houdini_cached_subsets") is not None:
+        if shared_data.get("houdini_cached_subsets") is None:
             cache = dict()
             cache_legacy = dict()
 
diff --git a/openpype/hosts/max/plugins/create/create_camera.py b/openpype/hosts/max/plugins/create/create_camera.py
new file mode 100644
index 0000000000..91d0d4d3dc
--- /dev/null
+++ b/openpype/hosts/max/plugins/create/create_camera.py
@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+"""Creator plugin for creating camera."""
+from openpype.hosts.max.api import plugin
+from openpype.pipeline import CreatedInstance
+
+
+class CreateCamera(plugin.MaxCreator):
+    identifier = "io.openpype.creators.max.camera"
+    label = "Camera"
+    family = "camera"
+    icon = "gear"
+
+    def create(self, subset_name, instance_data, pre_create_data):
+        from pymxs import runtime as rt
+        sel_obj = list(rt.selection)
+        instance = super(CreateCamera, self).create(
+            subset_name,
+            instance_data,
+            pre_create_data)  # type: CreatedInstance
+        container = rt.getNodeByName(instance.data.get("instance_node"))
+        # TODO: Disable "Add to Containers?" Panel
+        # parent the selected cameras into the container
+        for obj in sel_obj:
+            obj.parent = container
+        # for additional work on the node:
+        # instance_node = rt.getNodeByName(instance.get("instance_node"))
diff --git a/openpype/hosts/max/plugins/load/load_camera_fbx.py b/openpype/hosts/max/plugins/load/load_camera_fbx.py
new file mode 100644
index 0000000000..1b1df364c1
--- /dev/null
+++ b/openpype/hosts/max/plugins/load/load_camera_fbx.py
@@ -0,0 +1,49 @@
+import os
+from openpype.pipeline import (
+    load
+)
+
+
+class FbxLoader(load.LoaderPlugin):
+    """Fbx Loader"""
+
+    families = ["camera"]
+    representations = ["fbx"]
+    order = -9
+    icon = "code-fork"
+    color = "white"
+
+    def load(self, context, name=None, namespace=None, data=None):
+        from pymxs import runtime as rt
+
+        filepath = os.path.normpath(self.fname)
+
+        fbx_import_cmd = (
+            f"""
+
+FBXImporterSetParam "Animation" true
+FBXImporterSetParam "Cameras" true
+FBXImporterSetParam "AxisConversionMethod" true
+FbxExporterSetParam "UpAxis" "Y"
+FbxExporterSetParam "Preserveinstances" true
+
+importFile @"{filepath}" #noPrompt using:FBXIMP
+        """)
+
+        self.log.debug(f"Executing command: {fbx_import_cmd}")
+        rt.execute(fbx_import_cmd)
+
+        container_name = f"{name}_CON"
+
+        asset = rt.getNodeByName(f"{name}")
+        # rename the container with "_CON"
+        container = rt.container(name=container_name)
+        asset.Parent = container
+
+        return container
+
+    def remove(self, container):
+        from pymxs import runtime as rt
+
+        node = container["node"]
+        rt.delete(node)
diff --git a/openpype/hosts/max/plugins/load/load_max_scene.py b/openpype/hosts/max/plugins/load/load_max_scene.py
new file mode 100644
index 0000000000..57f172cf6a
--- /dev/null
+++ b/openpype/hosts/max/plugins/load/load_max_scene.py
@@ -0,0 +1,50 @@
+import os
+from openpype.pipeline import (
+    load
+)
+
+
+class MaxSceneLoader(load.LoaderPlugin):
+    """Max Scene Loader"""
+
+    families = ["camera"]
+    representations = ["max"]
+    order = -8
+    icon = "code-fork"
+    color = "green"
+
+    def load(self, context, name=None, namespace=None, data=None):
+        from pymxs import runtime as rt
+        path = os.path.normpath(self.fname)
+        # import the max scene by using "merge file"
+        path = path.replace('\\', '/')
+
+        merge_before = {
+            c for c in rt.rootNode.Children
+            if rt.classOf(c) == rt.Container
+        }
+        rt.mergeMaxFile(path)
+
+        merge_after = {
+            c for c in rt.rootNode.Children
+            if rt.classOf(c) == rt.Container
+        }
+        max_containers = merge_after.difference(merge_before)
+
+        if len(max_containers) != 1:
+            self.log.error("Something failed when loading.")
+
+        max_container = max_containers.pop()
+        container_name = f"{name}_CON"
+        # rename the container with "_CON"
+        # get the original container
+        container = rt.container(name=container_name)
+        max_container.Parent = container
+
+        return container
+
+    def remove(self, container):
+        from pymxs import runtime as rt
+
+        node = container["node"]
+        rt.delete(node)
diff --git a/openpype/hosts/max/plugins/load/load_pointcache.py b/openpype/hosts/max/plugins/load/load_pointcache.py
index a2e567ed5d..65d0662faa 100644
--- a/openpype/hosts/max/plugins/load/load_pointcache.py
+++ b/openpype/hosts/max/plugins/load/load_pointcache.py
@@ -15,7 +15,10 @@ from openpype.hosts.max.api import lib
 class AbcLoader(load.LoaderPlugin):
     """Alembic loader."""
 
-    families = ["model", "animation", "pointcache"]
+    families = ["model",
+                "camera",
+                "animation",
+                "pointcache"]
     label = "Load Alembic"
     representations = ["abc"]
     order = -10
diff --git a/openpype/hosts/max/plugins/publish/extract_camera_abc.py b/openpype/hosts/max/plugins/publish/extract_camera_abc.py
new file mode 100644
index 0000000000..8c23ff9878
--- /dev/null
+++ b/openpype/hosts/max/plugins/publish/extract_camera_abc.py
@@ -0,0 +1,75 @@
+import os
+import pyblish.api
+from openpype.pipeline import (
+    publish,
+    OptionalPyblishPluginMixin
+)
+from pymxs import runtime as rt
+from openpype.hosts.max.api import (
+    maintained_selection,
+    get_all_children
+)
+
+
+class ExtractCameraAlembic(publish.Extractor,
+                           OptionalPyblishPluginMixin):
+    """
+    Extract Camera with AlembicExport
+    """
+
+    order = pyblish.api.ExtractorOrder - 0.1
+    label = "Extract Alembic Camera"
+    hosts = ["max"]
+    families = ["camera"]
+    optional = True
+
+    def process(self, instance):
+        if not self.is_active(instance.data):
+            return
+        start = float(instance.data.get("frameStartHandle", 1))
+        end = float(instance.data.get("frameEndHandle", 1))
+
+        container = instance.data["instance_node"]
+
+        self.log.info("Extracting Camera ...")
+
+        stagingdir = self.staging_dir(instance)
+        filename = "{name}.abc".format(**instance.data)
+        path = os.path.join(stagingdir, filename)
+
+        # We run the render
+        self.log.info("Writing alembic '%s' to '%s'" % (filename,
+                                                        stagingdir))
+
+        export_cmd = (
+            f"""
+AlembicExport.ArchiveType = #ogawa
+AlembicExport.CoordinateSystem = #maya
+AlembicExport.StartFrame = {start}
+AlembicExport.EndFrame = {end}
+AlembicExport.CustomAttributes = true
+
+exportFile @"{path}" #noPrompt selectedOnly:on using:AlembicExport
+
+            """)
+
+        self.log.debug(f"Executing command: {export_cmd}")
+
+        with maintained_selection():
+            # select and export
+            rt.select(get_all_children(rt.getNodeByName(container)))
+            rt.execute(export_cmd)
+
+        self.log.info("Performing Extraction ...")
+        if "representations" not in instance.data:
+            instance.data["representations"] = []
+
+        representation = {
+            'name': 'abc',
+            'ext': 'abc',
+            'files': filename,
+            "stagingDir": stagingdir,
+        }
+        instance.data["representations"].append(representation)
+        self.log.info("Extracted instance '%s' to: %s" % (instance.name,
+                                                          path))
diff --git a/openpype/hosts/max/plugins/publish/extract_camera_fbx.py b/openpype/hosts/max/plugins/publish/extract_camera_fbx.py
new file mode 100644
index 0000000000..7e92f355ed
--- /dev/null
+++ b/openpype/hosts/max/plugins/publish/extract_camera_fbx.py
@@ -0,0 +1,75 @@
+import os
+import pyblish.api
+from openpype.pipeline import (
+    publish,
+    OptionalPyblishPluginMixin
+)
+from pymxs import runtime as rt
+from openpype.hosts.max.api import (
+    maintained_selection,
+    get_all_children
+)
+
+
+class ExtractCameraFbx(publish.Extractor,
+                       OptionalPyblishPluginMixin):
+    """
+    Extract Camera with FbxExporter
+    """
+
+    order = pyblish.api.ExtractorOrder - 0.2
+    label = "Extract Fbx Camera"
+    hosts = ["max"]
+    families = ["camera"]
+    optional = True
+
+    def process(self, instance):
+        if not self.is_active(instance.data):
+            return
+        container = instance.data["instance_node"]
+
+        self.log.info("Extracting Camera ...")
+        stagingdir = self.staging_dir(instance)
+        filename = "{name}.fbx".format(**instance.data)
+
+        filepath = os.path.join(stagingdir, filename)
+        self.log.info("Writing fbx file '%s' to '%s'" % (filename,
+                                                         filepath))
+
+        # Need to export:
+        # Animation = True
+        # Cameras = True
+        # AxisConversionMethod
+        fbx_export_cmd = (
+            f"""
+
+FBXExporterSetParam "Animation" true
+FBXExporterSetParam "Cameras" true
+FBXExporterSetParam "AxisConversionMethod" "Animation"
+FbxExporterSetParam "UpAxis" "Y"
+FbxExporterSetParam "Preserveinstances" true
+
+exportFile @"{filepath}" #noPrompt selectedOnly:true using:FBXEXP
+
+            """)
+
+        self.log.debug(f"Executing command: {fbx_export_cmd}")
+
+        with maintained_selection():
+            # select and export
+            rt.select(get_all_children(rt.getNodeByName(container)))
+            rt.execute(fbx_export_cmd)
+
+        self.log.info("Performing Extraction ...")
+        if "representations" not in instance.data:
+            instance.data["representations"] = []
+
+        representation = {
+            'name': 'fbx',
+            'ext': 'fbx',
+            'files': filename,
+            "stagingDir": stagingdir,
+        }
+        instance.data["representations"].append(representation)
+        self.log.info("Extracted instance '%s' to: %s" % (instance.name,
+                                                          filepath))
diff --git a/openpype/hosts/max/plugins/publish/extract_max_scene_raw.py b/openpype/hosts/max/plugins/publish/extract_max_scene_raw.py
new file mode 100644
index 0000000000..cacc84c591
--- /dev/null
+++ b/openpype/hosts/max/plugins/publish/extract_max_scene_raw.py
@@ -0,0 +1,60 @@
+import os
+import pyblish.api
+from openpype.pipeline import (
+    publish,
+    OptionalPyblishPluginMixin
+)
+from pymxs import runtime as rt
+from openpype.hosts.max.api import (
+    maintained_selection,
+    get_all_children
+)
+
+
+class ExtractMaxSceneRaw(publish.Extractor,
+                         OptionalPyblishPluginMixin):
+    """
+    Extract Raw Max Scene with SaveSelected
+    """
+
+    order = pyblish.api.ExtractorOrder - 0.2
+    label = "Extract Max Scene (Raw)"
+    hosts = ["max"]
+    families = ["camera"]
+    optional = True
+
+    def process(self, instance):
+        if not self.is_active(instance.data):
+            return
+        container = instance.data["instance_node"]
+
+        # publish the raw scene for camera
+        self.log.info("Extracting Raw Max Scene ...")
+
+        stagingdir = self.staging_dir(instance)
+        filename = "{name}.max".format(**instance.data)
+
+        max_path = os.path.join(stagingdir, filename)
+        self.log.info("Writing max file '%s' to '%s'" % (filename,
+                                                         max_path))
+
+        if "representations" not in instance.data:
+            instance.data["representations"] = []
+
+        # saving max scene
+        with maintained_selection():
+            # need to figure out how to select the camera
+            rt.select(get_all_children(rt.getNodeByName(container)))
+            rt.execute(f'saveNodes selection "{max_path}" quiet:true')
+
+        self.log.info("Performing Extraction ...")
+
+        representation = {
+            'name': 'max',
+            'ext': 'max',
+            'files': filename,
+            "stagingDir": stagingdir,
+        }
+        instance.data["representations"].append(representation)
+        self.log.info("Extracted instance '%s' to: %s" % (instance.name,
+                                                          max_path))
diff --git a/openpype/hosts/max/plugins/publish/extract_pointcache.py b/openpype/hosts/max/plugins/publish/extract_pointcache.py
index 904c1656da..75d8a7972c 100644
--- a/openpype/hosts/max/plugins/publish/extract_pointcache.py
+++ b/openpype/hosts/max/plugins/publish/extract_pointcache.py
@@ -51,7 +51,7 @@ class ExtractAlembic(publish.Extractor):
     order = pyblish.api.ExtractorOrder
     label = "Extract Pointcache"
     hosts = ["max"]
-    families = ["pointcache", "camera"]
+    families = ["pointcache"]
 
     def process(self, instance):
         start = float(instance.data.get("frameStartHandle", 1))
diff --git a/openpype/hosts/max/plugins/publish/validate_camera_contents.py b/openpype/hosts/max/plugins/publish/validate_camera_contents.py
new file mode 100644
index 0000000000..c81e28a61f
--- /dev/null
+++ b/openpype/hosts/max/plugins/publish/validate_camera_contents.py
@@ -0,0 +1,48 @@
+# -*- coding: utf-8 -*-
+import pyblish.api
+from openpype.pipeline import PublishValidationError
+from pymxs import runtime as rt
+
+
+class ValidateCameraContent(pyblish.api.InstancePlugin):
+    """Validates Camera instance contents.
+
+    A Camera instance may only hold a SINGLE camera's transform
+    """
+
+    order = pyblish.api.ValidatorOrder
+    families = ["camera"]
+    hosts = ["max"]
+    label = "Camera Contents"
+    camera_type = ["$Free_Camera", "$Target_Camera",
+                   "$Physical_Camera", "$Target"]
+
+    def process(self, instance):
+        invalid = self.get_invalid(instance)
+        if invalid:
+            raise PublishValidationError("Camera instance must only include"
+                                         "camera (and camera target)")
+
+    def get_invalid(self, instance):
+        """
+        Get invalid nodes if the instance is not camera
+        """
+        invalid = list()
+        container = instance.data["instance_node"]
+        self.log.info("Validating look content for "
+                      "{}".format(container))
+
+        con = rt.getNodeByName(container)
+        selection_list = list(con.Children)
+        for sel in selection_list:
+            # to avoid Attribute Error from pymxs wrapper
+            sel_tmp = str(sel)
+            found = False
+            for cam in self.camera_type:
+                if sel_tmp.startswith(cam):
+                    found = True
+                    break
+            if not found:
+                self.log.error("Camera not found")
+                invalid.append(sel)
+        return invalid
diff --git a/openpype/hosts/maya/api/lib.py b/openpype/hosts/maya/api/lib.py
index 25842a4776..e5fa883c99 100644
--- a/openpype/hosts/maya/api/lib.py
+++ b/openpype/hosts/maya/api/lib.py
@@ -254,11 +254,6 @@ def read(node):
     return data
 
 
-def _get_mel_global(name):
-    """Return the value of a mel global variable"""
-    return mel.eval("$%s = $%s;" % (name, name))
-
-
 def matrix_equals(a, b, tolerance=1e-10):
     """
     Compares two matrices with an imperfection tolerance
@@ -624,15 +619,15 @@ class delete_after(object):
             cmds.delete(self._nodes)
 
 
+def get_current_renderlayer():
+    return cmds.editRenderLayerGlobals(query=True, currentRenderLayer=True)
+
+
 def get_renderer(layer):
     with renderlayer(layer):
         return cmds.getAttr("defaultRenderGlobals.currentRenderer")
 
 
-def get_current_renderlayer():
-    return cmds.editRenderLayerGlobals(query=True, currentRenderLayer=True)
-
-
 @contextlib.contextmanager
 def no_undo(flush=False):
     """Disable the undo queue during the context
@@ -1373,27 +1368,6 @@ def set_id(node, unique_id, overwrite=False):
         cmds.setAttr(attr, unique_id, type="string")
 
 
-# endregion ID
-def get_reference_node(path):
-    """
-    Get the reference node when the path is found being used in a reference
-    Args:
-        path (str): the file path to check
-
-    Returns:
-        node (str): name of the reference node in question
-    """
-    try:
-        node = cmds.file(path, query=True, referenceNode=True)
-    except RuntimeError:
-        log.debug('File is not referenced : "{}"'.format(path))
-        return
-
-    reference_path = cmds.referenceQuery(path, filename=True)
-    if os.path.normpath(path) == os.path.normpath(reference_path):
-        return node
-
-
 def set_attribute(attribute, value, node):
     """Adjust attributes based on the value from the attribute data
 
diff --git a/openpype/hosts/maya/api/menu.py b/openpype/hosts/maya/api/menu.py
index 67109e9958..791475173f 100644
--- a/openpype/hosts/maya/api/menu.py
+++ b/openpype/hosts/maya/api/menu.py
@@ -50,7 +50,6 @@ def install():
             parent="MayaWindow"
         )
 
-        renderer = cmds.getAttr('defaultRenderGlobals.currentRenderer').lower()
         # Create context menu
         context_label = "{}, {}".format(
             legacy_io.Session["AVALON_ASSET"],
diff --git a/openpype/hosts/maya/plugins/publish/collect_maya_workspace.py b/openpype/hosts/maya/plugins/publish/collect_maya_workspace.py
index 1250ea438f..122fabe8a1 100644
--- a/openpype/hosts/maya/plugins/publish/collect_maya_workspace.py
+++ b/openpype/hosts/maya/plugins/publish/collect_maya_workspace.py
@@ -12,7 +12,6 @@ class CollectMayaWorkspace(pyblish.api.ContextPlugin):
     label = "Maya Workspace"
 
     hosts = ['maya']
-    version = (0, 1, 0)
 
     def process(self, context):
         workspace = cmds.workspace(rootDirectory=True, query=True)
diff --git a/openpype/hosts/maya/plugins/publish/validate_attributes.py b/openpype/hosts/maya/plugins/publish/validate_attributes.py
index 136c38bc1d..7a1f0cf086 100644
--- a/openpype/hosts/maya/plugins/publish/validate_attributes.py
+++ b/openpype/hosts/maya/plugins/publish/validate_attributes.py
@@ -58,23 +58,23 @@ class ValidateAttributes(pyblish.api.ContextPlugin):
             # Filter families.
             families = [instance.data["family"]]
             families += instance.data.get("families", [])
-            families = list(set(families) & set(self.attributes.keys()))
+            families = list(set(families) & set(cls.attributes.keys()))
             if not families:
                 continue
 
             # Get all attributes to validate.
             attributes = {}
             for family in families:
-                for preset in self.attributes[family]:
+                for preset in cls.attributes[family]:
                     [node_name, attribute_name] = preset.split(".")
                     try:
                         attributes[node_name].update(
-                            {attribute_name: self.attributes[family][preset]}
+                            {attribute_name: cls.attributes[family][preset]}
                         )
                     except KeyError:
                         attributes.update({
                             node_name: {
-                                attribute_name: self.attributes[family][preset]
+                                attribute_name: cls.attributes[family][preset]
                             }
                         })
 
diff --git a/openpype/hosts/maya/plugins/publish/validate_color_sets.py b/openpype/hosts/maya/plugins/publish/validate_color_sets.py
index 905417bafa..7ce3cca61a 100644
--- a/openpype/hosts/maya/plugins/publish/validate_color_sets.py
+++ b/openpype/hosts/maya/plugins/publish/validate_color_sets.py
@@ -19,7 +19,6 @@ class ValidateColorSets(pyblish.api.Validator):
     order = ValidateMeshOrder
     hosts = ['maya']
     families = ['model']
-    category = 'geometry'
     label = 'Mesh ColorSets'
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction,
                RepairAction]
diff --git a/openpype/hosts/maya/plugins/publish/validate_maya_units.py b/openpype/hosts/maya/plugins/publish/validate_maya_units.py
index 5698d795ff..e6fabb1712 100644
--- a/openpype/hosts/maya/plugins/publish/validate_maya_units.py
+++ b/openpype/hosts/maya/plugins/publish/validate_maya_units.py
@@ -11,10 +11,6 @@ from openpype.pipeline.publish import (
 )
 
 
-def float_round(num, places=0, direction=ceil):
-    return direction(num * (10**places)) / float(10**places)
-
-
 class ValidateMayaUnits(pyblish.api.ContextPlugin):
     """Check if the Maya units are set correct"""
 
@@ -36,6 +32,7 @@ class ValidateMayaUnits(pyblish.api.ContextPlugin):
         # Collected units
         linearunits = context.data.get('linearUnits')
         angularunits = context.data.get('angularUnits')
+
         # TODO(antirotor): This is hack as for framerates having multiple
         # decimal places. FTrack is ceiling decimal values on
         # fps to two decimal places but Maya 2019+ is reporting those fps
@@ -43,7 +40,7 @@ class ValidateMayaUnits(pyblish.api.ContextPlugin):
         # rounding, we have to round those numbers coming from Maya.
         # NOTE: this must be revisited yet again as it seems that Ftrack is
         # now flooring the value?
-        fps = float_round(context.data.get('fps'), 2, ceil)
+        fps = mayalib.float_round(context.data.get('fps'), 2, ceil)
 
         # TODO repace query with using 'context.data["assetEntity"]'
         asset_doc = get_current_project_asset()
diff --git a/openpype/hosts/maya/plugins/publish/validate_mesh_arnold_attributes.py b/openpype/hosts/maya/plugins/publish/validate_mesh_arnold_attributes.py
index c1c0636b9e..fa4c66952c 100644
--- a/openpype/hosts/maya/plugins/publish/validate_mesh_arnold_attributes.py
+++ b/openpype/hosts/maya/plugins/publish/validate_mesh_arnold_attributes.py
@@ -19,7 +19,6 @@ class ValidateMeshArnoldAttributes(pyblish.api.InstancePlugin):
     order = ValidateMeshOrder
     hosts = ["maya"]
     families = ["model"]
-    category = "geometry"
     label = "Mesh Arnold Attributes"
     actions = [
         openpype.hosts.maya.api.action.SelectInvalidAction,
diff --git a/openpype/hosts/maya/plugins/publish/validate_mesh_has_uv.py b/openpype/hosts/maya/plugins/publish/validate_mesh_has_uv.py
index 36a0da7a59..0eece1014e 100644
--- a/openpype/hosts/maya/plugins/publish/validate_mesh_has_uv.py
+++ b/openpype/hosts/maya/plugins/publish/validate_mesh_has_uv.py
@@ -48,7 +48,6 @@ class ValidateMeshHasUVs(pyblish.api.InstancePlugin):
     order = ValidateMeshOrder
     hosts = ['maya']
     families = ['model']
-    category = 'geometry'
     label = 'Mesh Has UVs'
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction]
     optional = True
diff --git a/openpype/hosts/maya/plugins/publish/validate_mesh_lamina_faces.py b/openpype/hosts/maya/plugins/publish/validate_mesh_lamina_faces.py
index 4427c6eece..f120361583 100644
--- a/openpype/hosts/maya/plugins/publish/validate_mesh_lamina_faces.py
+++ b/openpype/hosts/maya/plugins/publish/validate_mesh_lamina_faces.py
@@ -15,8 +15,6 @@ class ValidateMeshLaminaFaces(pyblish.api.InstancePlugin):
     order = ValidateMeshOrder
     hosts = ['maya']
     families = ['model']
-    category = 'geometry'
-    version = (0, 1, 0)
     label = 'Mesh Lamina Faces'
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction]
 
diff --git a/openpype/hosts/maya/plugins/publish/validate_mesh_non_zero_edge.py b/openpype/hosts/maya/plugins/publish/validate_mesh_non_zero_edge.py
index 0ef2716559..78e844d201 100644
--- a/openpype/hosts/maya/plugins/publish/validate_mesh_non_zero_edge.py
+++ b/openpype/hosts/maya/plugins/publish/validate_mesh_non_zero_edge.py
@@ -19,8 +19,6 @@ class ValidateMeshNonZeroEdgeLength(pyblish.api.InstancePlugin):
     order = ValidateMeshOrder
     families = ['model']
     hosts = ['maya']
-    category = 'geometry'
-    version = (0, 1, 0)
     label = 'Mesh Edge Length Non Zero'
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction]
     optional = True
diff --git a/openpype/hosts/maya/plugins/publish/validate_mesh_normals_unlocked.py b/openpype/hosts/maya/plugins/publish/validate_mesh_normals_unlocked.py
index c8892a8e59..1b754a9829 100644
--- a/openpype/hosts/maya/plugins/publish/validate_mesh_normals_unlocked.py
+++ b/openpype/hosts/maya/plugins/publish/validate_mesh_normals_unlocked.py
@@ -20,8 +20,6 @@ class ValidateMeshNormalsUnlocked(pyblish.api.Validator):
     order = ValidateMeshOrder
     hosts = ['maya']
     families = ['model']
-    category = 'geometry'
-    version = (0, 1, 0)
     label = 'Mesh Normals Unlocked'
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction,
                RepairAction]
diff --git a/openpype/hosts/maya/plugins/publish/validate_mesh_overlapping_uvs.py b/openpype/hosts/maya/plugins/publish/validate_mesh_overlapping_uvs.py
index be7324a68f..be23f61ec5 100644
--- a/openpype/hosts/maya/plugins/publish/validate_mesh_overlapping_uvs.py
+++ b/openpype/hosts/maya/plugins/publish/validate_mesh_overlapping_uvs.py
@@ -235,7 +235,6 @@ class ValidateMeshHasOverlappingUVs(pyblish.api.InstancePlugin):
     order = ValidateMeshOrder
     hosts = ['maya']
     families = ['model']
-    category = 'geometry'
     label = 'Mesh Has Overlapping UVs'
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction]
     optional = True
diff --git a/openpype/hosts/maya/plugins/publish/validate_mesh_single_uv_set.py b/openpype/hosts/maya/plugins/publish/validate_mesh_single_uv_set.py
index 6ca8c06ba5..faa360380e 100644
--- a/openpype/hosts/maya/plugins/publish/validate_mesh_single_uv_set.py
+++ b/openpype/hosts/maya/plugins/publish/validate_mesh_single_uv_set.py
@@ -21,9 +21,7 @@ class ValidateMeshSingleUVSet(pyblish.api.InstancePlugin):
     order = ValidateMeshOrder
     hosts = ['maya']
     families = ['model', 'pointcache']
-    category = 'uv'
     optional = True
-    version = (0, 1, 0)
     label = "Mesh Single UV Set"
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction,
                RepairAction]
diff --git a/openpype/hosts/maya/plugins/publish/validate_mesh_vertices_have_edges.py b/openpype/hosts/maya/plugins/publish/validate_mesh_vertices_have_edges.py
index 1e6d290ae7..9ac7735501 100644
--- a/openpype/hosts/maya/plugins/publish/validate_mesh_vertices_have_edges.py
+++ b/openpype/hosts/maya/plugins/publish/validate_mesh_vertices_have_edges.py
@@ -63,7 +63,6 @@ class ValidateMeshVerticesHaveEdges(pyblish.api.InstancePlugin):
     order = ValidateMeshOrder
     hosts = ['maya']
     families = ['model']
-    category = 'geometry'
     label = 'Mesh Vertices Have Edges'
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction,
                RepairAction]
diff --git a/openpype/hosts/maya/plugins/publish/validate_no_default_camera.py b/openpype/hosts/maya/plugins/publish/validate_no_default_camera.py
index 1a5773e6a7..a4fb938d43 100644
--- a/openpype/hosts/maya/plugins/publish/validate_no_default_camera.py
+++ b/openpype/hosts/maya/plugins/publish/validate_no_default_camera.py
@@ -16,7 +16,6 @@ class ValidateNoDefaultCameras(pyblish.api.InstancePlugin):
     order = ValidateContentsOrder
     hosts = ['maya']
     families = ['camera']
-    version = (0, 1, 0)
     label = "No Default Cameras"
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction]
 
diff --git a/openpype/hosts/maya/plugins/publish/validate_no_namespace.py b/openpype/hosts/maya/plugins/publish/validate_no_namespace.py
index 01c77e5b2e..e91b99359d 100644
--- a/openpype/hosts/maya/plugins/publish/validate_no_namespace.py
+++ b/openpype/hosts/maya/plugins/publish/validate_no_namespace.py
@@ -23,8 +23,6 @@ class ValidateNoNamespace(pyblish.api.InstancePlugin):
     order = ValidateContentsOrder
     hosts = ['maya']
     families = ['model']
-    category = 'cleanup'
-    version = (0, 1, 0)
     label = 'No Namespaces'
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction,
                RepairAction]
diff --git a/openpype/hosts/maya/plugins/publish/validate_no_null_transforms.py b/openpype/hosts/maya/plugins/publish/validate_no_null_transforms.py
index b430c2b63c..f77fc81dc1 100644
--- a/openpype/hosts/maya/plugins/publish/validate_no_null_transforms.py
+++ b/openpype/hosts/maya/plugins/publish/validate_no_null_transforms.py
@@ -43,8 +43,6 @@ class ValidateNoNullTransforms(pyblish.api.InstancePlugin):
     order = ValidateContentsOrder
     hosts = ['maya']
     families = ['model']
-    category = 'cleanup'
-    version = (0, 1, 0)
     label = 'No Empty/Null Transforms'
     actions = [RepairAction,
                openpype.hosts.maya.api.action.SelectInvalidAction]
diff --git a/openpype/hosts/maya/plugins/publish/validate_rig_joints_hidden.py b/openpype/hosts/maya/plugins/publish/validate_rig_joints_hidden.py
index d5bf7fd1cf..30d95128a2 100644
--- a/openpype/hosts/maya/plugins/publish/validate_rig_joints_hidden.py
+++ b/openpype/hosts/maya/plugins/publish/validate_rig_joints_hidden.py
@@ -24,7 +24,6 @@ class ValidateRigJointsHidden(pyblish.api.InstancePlugin):
     order = ValidateContentsOrder
     hosts = ['maya']
     families = ['rig']
-    version = (0, 1, 0)
     label = "Joints Hidden"
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction,
                RepairAction]
diff --git a/openpype/hosts/maya/plugins/publish/validate_scene_set_workspace.py b/openpype/hosts/maya/plugins/publish/validate_scene_set_workspace.py
index ec2bea220d..f1fa4d3c4c 100644
--- a/openpype/hosts/maya/plugins/publish/validate_scene_set_workspace.py
+++ b/openpype/hosts/maya/plugins/publish/validate_scene_set_workspace.py
@@ -31,8 +31,6 @@ class ValidateSceneSetWorkspace(pyblish.api.ContextPlugin):
 
     order = ValidatePipelineOrder
     hosts = ['maya']
-    category = 'scene'
-    version = (0, 1, 0)
     label = 'Maya Workspace Set'
 
     def process(self, context):
diff --git a/openpype/hosts/maya/plugins/publish/validate_shape_default_names.py b/openpype/hosts/maya/plugins/publish/validate_shape_default_names.py
index 651c6bcec9..4ab669f46b 100644
--- a/openpype/hosts/maya/plugins/publish/validate_shape_default_names.py
+++ b/openpype/hosts/maya/plugins/publish/validate_shape_default_names.py
@@ -38,9 +38,7 @@ class ValidateShapeDefaultNames(pyblish.api.InstancePlugin):
     order = ValidateContentsOrder
     hosts = ['maya']
     families = ['model']
-    category = 'cleanup'
     optional = True
-    version = (0, 1, 0)
     label = "Shape Default Naming"
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction,
                RepairAction]
diff --git a/openpype/hosts/maya/plugins/publish/validate_transform_naming_suffix.py b/openpype/hosts/maya/plugins/publish/validate_transform_naming_suffix.py
index 65551c8d5e..0147aa8a52 100644
--- a/openpype/hosts/maya/plugins/publish/validate_transform_naming_suffix.py
+++ b/openpype/hosts/maya/plugins/publish/validate_transform_naming_suffix.py
@@ -32,9 +32,7 @@ class ValidateTransformNamingSuffix(pyblish.api.InstancePlugin):
     order = ValidateContentsOrder
     hosts = ['maya']
     families = ['model']
-    category = 'cleanup'
     optional = True
-    version = (0, 1, 0)
     label = 'Suffix Naming Conventions'
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction]
     SUFFIX_NAMING_TABLE = {"mesh": ["_GEO", "_GES", "_GEP", "_OSD"],
diff --git a/openpype/hosts/maya/plugins/publish/validate_transform_zero.py b/openpype/hosts/maya/plugins/publish/validate_transform_zero.py
index da569195e8..abd9e00af1 100644
--- a/openpype/hosts/maya/plugins/publish/validate_transform_zero.py
+++ b/openpype/hosts/maya/plugins/publish/validate_transform_zero.py
@@ -18,8 +18,6 @@ class ValidateTransformZero(pyblish.api.Validator):
     order = ValidateContentsOrder
     hosts = ["maya"]
     families = ["model"]
-    category = "geometry"
-    version = (0, 1, 0)
     label = "Transform Zero (Freeze)"
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction]
 
diff --git a/openpype/hosts/maya/plugins/publish/validate_unreal_mesh_triangulated.py b/openpype/hosts/maya/plugins/publish/validate_unreal_mesh_triangulated.py
index 4211e76a73..e78962bf97 100644
--- a/openpype/hosts/maya/plugins/publish/validate_unreal_mesh_triangulated.py
+++ b/openpype/hosts/maya/plugins/publish/validate_unreal_mesh_triangulated.py
@@ -13,7 +13,6 @@ class ValidateUnrealMeshTriangulated(pyblish.api.InstancePlugin):
     order = ValidateMeshOrder
     hosts = ["maya"]
     families = ["staticMesh"]
-    category = "geometry"
     label = "Mesh is Triangulated"
     actions = [openpype.hosts.maya.api.action.SelectInvalidAction]
     active = False
diff --git a/openpype/lib/__init__.py b/openpype/lib/__init__.py
index a64b7c2911..b5fb955a84 100644
--- a/openpype/lib/__init__.py
+++ b/openpype/lib/__init__.py
@@ -30,7 +30,7 @@ from .vendor_bin_utils import (
 )
 
 from .attribute_definitions import (
-    AbtractAttrDef,
+    AbstractAttrDef,
 
     UIDef,
     UISeparatorDef,
@@ -246,7 +246,7 @@ __all__ = [
     "get_ffmpeg_tool_path",
     "is_oiio_supported",
 
-    "AbtractAttrDef",
+    "AbstractAttrDef",
 
     "UIDef",
     "UISeparatorDef",
diff --git a/openpype/lib/attribute_definitions.py b/openpype/lib/attribute_definitions.py
index 04db0edc64..b5cd15f41a 100644
--- a/openpype/lib/attribute_definitions.py
+++ b/openpype/lib/attribute_definitions.py
@@ -20,7 +20,7 @@ def register_attr_def_class(cls):
     Currently are registered definitions used to deserialize data to objects.
 
     Attrs:
-        cls (AbtractAttrDef): Non-abstract class to be registered with unique
+        cls (AbstractAttrDef): Non-abstract class to be registered with unique
             'type' attribute.
 
     Raises:
@@ -36,7 +36,7 @@ def get_attributes_keys(attribute_definitions):
     """Collect keys from list of attribute definitions.
 
     Args:
-        attribute_definitions (List[AbtractAttrDef]): Objects of attribute
+        attribute_definitions (List[AbstractAttrDef]): Objects of attribute
             definitions.
 
     Returns:
@@ -57,8 +57,8 @@ def get_default_values(attribute_definitions):
     """Receive default values for attribute definitions.
 
     Args:
-        attribute_definitions (List[AbtractAttrDef]): Attribute definitions for
-            which default values should be collected.
+        attribute_definitions (List[AbstractAttrDef]): Attribute definitions
+            for which default values should be collected.
 
     Returns:
         Dict[str, Any]: Default values for passet attribute definitions.
@@ -76,15 +76,15 @@ def get_default_values(attribute_definitions):
 
 
 class AbstractAttrDefMeta(ABCMeta):
-    """Meta class to validate existence of 'key' attribute.
+    """Metaclass to validate existence of 'key' attribute.
 
-    Each object of `AbtractAttrDef` mus have defined 'key' attribute.
+    Each object of `AbstractAttrDef` mus have defined 'key' attribute.
     """
 
     def __call__(self, *args, **kwargs):
         obj = super(AbstractAttrDefMeta, self).__call__(*args, **kwargs)
         init_class = getattr(obj, "__init__class__", None)
-        if init_class is not AbtractAttrDef:
+        if init_class is not AbstractAttrDef:
             raise TypeError("{} super was not called in __init__.".format(
                 type(obj)
             ))
@@ -92,7 +92,7 @@ class AbstractAttrDefMeta(ABCMeta):
 
 
 @six.add_metaclass(AbstractAttrDefMeta)
-class AbtractAttrDef(object):
+class AbstractAttrDef(object):
     """Abstraction of attribute definiton.
 
     Each attribute definition must have implemented validation and
@@ -145,7 +145,7 @@ class AbtractAttrDef(object):
         self.disabled = disabled
         self._id = uuid.uuid4().hex
 
-        self.__init__class__ = AbtractAttrDef
+        self.__init__class__ = AbstractAttrDef
 
     @property
     def id(self):
@@ -154,7 +154,15 @@ class AbtractAttrDef(object):
     def __eq__(self, other):
         if not isinstance(other, self.__class__):
             return False
-        return self.key == other.key
+        return (
+            self.key == other.key
+            and self.hidden == other.hidden
+            and self.default == other.default
+            and self.disabled == other.disabled
+        )
+
+    def __ne__(self, other):
+        return not self.__eq__(other)
 
     @abstractproperty
     def type(self):
@@ -212,7 +220,7 @@ class AbtractAttrDef(object):
 # UI attribute definitoins won't hold value
 # -----------------------------------------
 
-class UIDef(AbtractAttrDef):
+class UIDef(AbstractAttrDef):
     is_value_def = False
 
     def __init__(self, key=None, default=None, *args, **kwargs):
@@ -237,7 +245,7 @@ class UILabelDef(UIDef):
 # Attribute defintioins should hold value
 # ---------------------------------------
 
-class UnknownDef(AbtractAttrDef):
+class UnknownDef(AbstractAttrDef):
     """Definition is not known because definition is not available.
 
     This attribute can be used to keep existing data unchanged but does not
@@ -254,7 +262,7 @@ class UnknownDef(AbtractAttrDef):
         return value
 
 
-class HiddenDef(AbtractAttrDef):
+class HiddenDef(AbstractAttrDef):
     """Hidden value of Any type.
 
     This attribute can be used for UI purposes to pass values related
@@ -274,7 +282,7 @@ class HiddenDef(AbtractAttrDef):
         return value
 
 
-class NumberDef(AbtractAttrDef):
+class NumberDef(AbstractAttrDef):
     """Number definition.
 
     Number can have defined minimum/maximum value and decimal points. Value
@@ -350,7 +358,7 @@ class NumberDef(AbtractAttrDef):
         return round(float(value), self.decimals)
 
 
-class TextDef(AbtractAttrDef):
+class TextDef(AbstractAttrDef):
     """Text definition.
 
     Text can have multiline option so endline characters are allowed regex
@@ -415,7 +423,7 @@ class TextDef(AbtractAttrDef):
         return data
 
 
-class EnumDef(AbtractAttrDef):
+class EnumDef(AbstractAttrDef):
     """Enumeration of single item from items.
 
     Args:
@@ -457,7 +465,7 @@ class EnumDef(AbtractAttrDef):
         return self.default
 
     def serialize(self):
-        data = super(TextDef, self).serialize()
+        data = super(EnumDef, self).serialize()
         data["items"] = copy.deepcopy(self.items)
         return data
 
@@ -523,7 +531,8 @@ class EnumDef(AbtractAttrDef):
 
         return output
 
-class BoolDef(AbtractAttrDef):
+
+class BoolDef(AbstractAttrDef):
     """Boolean representation.
 
     Args:
@@ -768,7 +777,7 @@ class FileDefItem(object):
         return output
 
 
-class FileDef(AbtractAttrDef):
+class FileDef(AbstractAttrDef):
     """File definition.
     It is possible to define filters of allowed file extensions and if supports
     folders.
@@ -886,7 +895,7 @@ def serialize_attr_def(attr_def):
     """Serialize attribute definition to data.
 
     Args:
-        attr_def (AbtractAttrDef): Attribute definition to serialize.
+        attr_def (AbstractAttrDef): Attribute definition to serialize.
 
     Returns:
         Dict[str, Any]: Serialized data.
@@ -899,7 +908,7 @@ def serialize_attr_defs(attr_defs):
     """Serialize attribute definitions to data.
 
     Args:
-        attr_defs (List[AbtractAttrDef]): Attribute definitions to serialize.
+        attr_defs (List[AbstractAttrDef]): Attribute definitions to serialize.
 
     Returns:
         List[Dict[str, Any]]: Serialized data.
diff --git a/openpype/pipeline/__init__.py b/openpype/pipeline/__init__.py
index f5319c5a48..7a2ef59a5a 100644
--- a/openpype/pipeline/__init__.py
+++ b/openpype/pipeline/__init__.py
@@ -86,6 +86,12 @@ from .context_tools import (
     registered_host,
     deregister_host,
     get_process_id,
+
+    get_current_context,
+    get_current_host_name,
+    get_current_project_name,
+    get_current_asset_name,
+    get_current_task_name,
 )
 install = install_host
 uninstall = uninstall_host
@@ -176,6 +182,13 @@ __all__ = (
     "register_host",
     "registered_host",
     "deregister_host",
+    "get_process_id",
+
+    "get_current_context",
+    "get_current_host_name",
+    "get_current_project_name",
+    "get_current_asset_name",
+    "get_current_task_name",
 
     # Backwards compatible function names
     "install",
diff --git a/openpype/pipeline/colorspace.py b/openpype/pipeline/colorspace.py
index e1ffe9d333..cb37b2c4ae 100644
--- a/openpype/pipeline/colorspace.py
+++ b/openpype/pipeline/colorspace.py
@@ -438,13 +438,14 @@ def get_imageio_file_rules(project_name, host_name, project_settings=None):
 
     # get file rules from global and host_name
     frules_global = imageio_global["file_rules"]
-    frules_host = imageio_host["file_rules"]
+    # host is optional, some might not have any settings
+    frules_host = imageio_host.get("file_rules", {})
 
     # compile file rules dictionary
     file_rules = {}
     if frules_global["enabled"]:
         file_rules.update(frules_global["rules"])
-    if frules_host["enabled"]:
+    if frules_host and frules_host["enabled"]:
         file_rules.update(frules_host["rules"])
 
     return file_rules
@@ -455,7 +456,7 @@ def _get_imageio_settings(project_settings, host_name):
 
     Args:
         project_settings (dict): project settings.
-                                           Defaults to None.
+                                 Defaults to None.
         host_name (str): host name
 
     Returns:
@@ -463,6 +464,7 @@ def _get_imageio_settings(project_settings, host_name):
     """
     # get image io from global and host_name
     imageio_global = project_settings["global"]["imageio"]
-    imageio_host = project_settings[host_name]["imageio"]
+    # host is optional, some might not have any settings
+    imageio_host = project_settings.get(host_name, {}).get("imageio", {})
 
     return imageio_global, imageio_host
diff --git a/openpype/pipeline/context_tools.py b/openpype/pipeline/context_tools.py
index da0ce8ecf4..6610fd7da7 100644
--- a/openpype/pipeline/context_tools.py
+++ b/openpype/pipeline/context_tools.py
@@ -11,6 +11,7 @@ import pyblish.api
 from pyblish.lib import MessageHandler
 
 import openpype
+from openpype.host import HostBase
 from openpype.client import (
     get_project,
     get_asset_by_id,
@@ -306,6 +307,58 @@ def debug_host():
     return host
 
 
+def get_current_host_name():
+    """Current host name.
+
+    Function is based on currently registered host integration or environment
+    variant 'AVALON_APP'.
+
+    Returns:
+        Union[str, None]: Name of host integration in current process or None.
+    """
+
+    host = registered_host()
+    if isinstance(host, HostBase):
+        return host.name
+    return os.environ.get("AVALON_APP")
+
+
+def get_global_context():
+    return {
+        "project_name": os.environ.get("AVALON_PROJECT"),
+        "asset_name": os.environ.get("AVALON_ASSET"),
+        "task_name": os.environ.get("AVALON_TASK"),
+    }
+
+
+def get_current_context():
+    host = registered_host()
+    if isinstance(host, HostBase):
+        return host.get_current_context()
+    return get_global_context()
+
+
+def get_current_project_name():
+    host = registered_host()
+    if isinstance(host, HostBase):
+        return host.get_current_project_name()
+    return get_global_context()["project_name"]
+
+
+def get_current_asset_name():
+    host = registered_host()
+    if isinstance(host, HostBase):
+        return host.get_current_asset_name()
+    return get_global_context()["asset_name"]
+
+
+def get_current_task_name():
+    host = registered_host()
+    if isinstance(host, HostBase):
+        return host.get_current_task_name()
+    return get_global_context()["task_name"]
+
+
 def get_current_project(fields=None):
     """Helper function to get project document based on global Session.
 
@@ -316,7 +369,7 @@ def get_current_project(fields=None):
         None: Project is not set.
     """
 
-    project_name = legacy_io.active_project()
+    project_name = get_current_project_name()
     return get_project(project_name, fields=fields)
 
 
@@ -341,12 +394,12 @@ def get_current_project_asset(asset_name=None, asset_id=None, fields=None):
         None: Asset is not set or not exist.
     """
 
-    project_name = legacy_io.active_project()
+    project_name = get_current_project_name()
     if asset_id:
         return get_asset_by_id(project_name, asset_id, fields=fields)
 
     if not asset_name:
-        asset_name = legacy_io.Session.get("AVALON_ASSET")
+        asset_name = get_current_asset_name()
         # Skip if is not set even on context
         if not asset_name:
             return None
@@ -363,7 +416,7 @@ def is_representation_from_latest(representation):
         bool: Whether the representation is of latest version.
     """
 
-    project_name = legacy_io.active_project()
+    project_name = get_current_project_name()
     return version_is_latest(project_name, representation["parent"])
 
 
diff --git a/openpype/pipeline/create/context.py b/openpype/pipeline/create/context.py
index a0cdb7dfea..f260e483d9 100644
--- a/openpype/pipeline/create/context.py
+++ b/openpype/pipeline/create/context.py
@@ -13,6 +13,11 @@ from openpype.settings import (
     get_system_settings,
     get_project_settings
 )
+from openpype.lib.attribute_definitions import (
+    UnknownDef,
+    serialize_attr_defs,
+    deserialize_attr_defs,
+)
 from openpype.host import IPublishHost
 from openpype.pipeline import legacy_io
 from openpype.pipeline.mongodb import (
@@ -28,6 +33,7 @@ from .creator_plugins import (
     CreatorError,
 )
 
+# Changes of instances and context are send as tuple of 2 information
 UpdateData = collections.namedtuple("UpdateData", ["instance", "changes"])
 
 
@@ -208,14 +214,12 @@ class AttributeValues(object):
     Has dictionary like methods. Not all of them are allowed all the time.
 
     Args:
-        attr_defs(AbtractAttrDef): Defintions of value type and properties.
+        attr_defs(AbstractAttrDef): Defintions of value type and properties.
         values(dict): Values after possible conversion.
         origin_data(dict): Values loaded from host before conversion.
     """
 
     def __init__(self, attr_defs, values, origin_data=None):
-        from openpype.lib.attribute_definitions import UnknownDef
-
         if origin_data is None:
             origin_data = copy.deepcopy(values)
         self._origin_data = origin_data
@@ -288,11 +292,21 @@ class AttributeValues(object):
 
     @property
     def attr_defs(self):
-        """Pointer to attribute definitions."""
-        return self._attr_defs
+        """Pointer to attribute definitions.
+
+        Returns:
+            List[AbstractAttrDef]: Attribute definitions.
+        """
+
+        return list(self._attr_defs)
 
     def data_to_store(self):
-        """Create new dictionary with data to store."""
+        """Create new dictionary with data to store.
+
+        Returns:
+            Dict[str, Any]: Attribute values that should be stored.
+        """
+
         output = {}
         for key in self._data:
             output[key] = self[key]
@@ -305,6 +319,7 @@ class AttributeValues(object):
     @staticmethod
     def calculate_changes(new_data, old_data):
         """Calculate changes of 2 dictionary objects."""
+
         changes = {}
         for key, new_value in new_data.items():
             old_value = old_data.get(key)
@@ -325,6 +340,15 @@ class AttributeValues(object):
             elif self.get(key) != new_value:
                 self[key] = new_value
 
+    def get_serialized_attr_defs(self):
+        """Serialize attribute definitions to json serializable types.
+
+        Returns:
+            List[Dict[str, Any]]: Serialized attribute definitions.
+        """
+
+        return serialize_attr_defs(self._attr_defs)
+
 
 class CreatorAttributeValues(AttributeValues):
     """Creator specific attribute values of an instance.
@@ -362,13 +386,14 @@ class PublishAttributes:
     """Wrapper for publish plugin attribute definitions.
 
     Cares about handling attribute definitions of multiple publish plugins.
+    Keep information about attribute definitions and their values.
 
     Args:
         parent(CreatedInstance, CreateContext): Parent for which will be
             data stored and from which are data loaded.
         origin_data(dict): Loaded data by plugin class name.
-        attr_plugins(list): List of publish plugins that may have defined
-            attribute definitions.
+        attr_plugins(Union[List[pyblish.api.Plugin], None]): List of publish
+            plugins that may have defined attribute definitions.
     """
 
     def __init__(self, parent, origin_data, attr_plugins=None):
@@ -509,6 +534,42 @@ class PublishAttributes:
                     self, [], value, value
                 )
 
+    def serialize_attributes(self):
+        return {
+            "attr_defs": {
+                plugin_name: attrs_value.get_serialized_attr_defs()
+                for plugin_name, attrs_value in self._data.items()
+            },
+            "plugin_names_order": self._plugin_names_order,
+            "missing_plugins": self._missing_plugins
+        }
+
+    def deserialize_attributes(self, data):
+        self._plugin_names_order = data["plugin_names_order"]
+        self._missing_plugins = data["missing_plugins"]
+
+        attr_defs = deserialize_attr_defs(data["attr_defs"])
+
+        origin_data = self._origin_data
+        data = self._data
+        self._data = {}
+
+        added_keys = set()
+        for plugin_name, attr_defs_data in attr_defs.items():
+            attr_defs = deserialize_attr_defs(attr_defs_data)
+            value = data.get(plugin_name) or {}
+            orig_value = copy.deepcopy(origin_data.get(plugin_name) or {})
+            self._data[plugin_name] = PublishAttributeValues(
+                self, attr_defs, value, orig_value
+            )
+
+        for key, value in data.items():
+            if key not in added_keys:
+                self._missing_plugins.append(key)
+                self._data[key] = PublishAttributeValues(
+                    self, [], value, value
+                )
+
 
 class CreatedInstance:
     """Instance entity with data that will be stored to workfile.
@@ -517,15 +578,22 @@ class CreatedInstance:
     about instance like "asset" and "task" and all data used for filling subset
     name as creators may have custom data for subset name filling.
 
+    Notes:
+        Object have 2 possible initialization. One using 'creator' object which
+            is recommended for api usage. Second by passing information about
+            creator.
+
     Args:
-        family(str): Name of family that will be created.
-        subset_name(str): Name of subset that will be created.
-        data(dict): Data used for filling subset name or override data from
-            already existing instance.
-        creator(BaseCreator): Creator responsible for instance.
-        host(ModuleType): Host implementation loaded with
-            `openpype.pipeline.registered_host`.
-        new(bool): Is instance new.
+        family (str): Name of family that will be created.
+        subset_name (str): Name of subset that will be created.
+        data (Dict[str, Any]): Data used for filling subset name or override
+            data from already existing instance.
+        creator (Union[BaseCreator, None]): Creator responsible for instance.
+        creator_identifier (str): Identifier of creator plugin.
+        creator_label (str): Creator plugin label.
+        group_label (str): Default group label from creator plugin.
+        creator_attr_defs (List[AbstractAttrDef]): Attribute definitions from
+            creator.
     """
 
     # Keys that can't be changed or removed from data after loading using
@@ -542,9 +610,24 @@ class CreatedInstance:
     )
 
     def __init__(
-        self, family, subset_name, data, creator, new=True
+        self,
+        family,
+        subset_name,
+        data,
+        creator=None,
+        creator_identifier=None,
+        creator_label=None,
+        group_label=None,
+        creator_attr_defs=None,
     ):
-        self.creator = creator
+        if creator is not None:
+            creator_identifier = creator.identifier
+            group_label = creator.get_group_label()
+            creator_label = creator.label
+            creator_attr_defs = creator.get_instance_attr_defs()
+
+        self._creator_label = creator_label
+        self._group_label = group_label or creator_identifier
 
         # Instance members may have actions on them
         # TODO implement members logic
@@ -574,7 +657,7 @@ class CreatedInstance:
         self._data["family"] = family
         self._data["subset"] = subset_name
         self._data["active"] = data.get("active", True)
-        self._data["creator_identifier"] = creator.identifier
+        self._data["creator_identifier"] = creator_identifier
 
         # Pop from source data all keys that are defined in `_data` before
         #   this moment and through their values away
@@ -588,10 +671,12 @@ class CreatedInstance:
         # Stored creator specific attribute values
         # {key: value}
         creator_values = copy.deepcopy(orig_creator_attributes)
-        creator_attr_defs = creator.get_instance_attr_defs()
 
         self._data["creator_attributes"] = CreatorAttributeValues(
-            self, creator_attr_defs, creator_values, orig_creator_attributes
+            self,
+            list(creator_attr_defs),
+            creator_values,
+            orig_creator_attributes
         )
 
         # Stored publish specific attribute values
@@ -676,64 +761,23 @@ class CreatedInstance:
         label = self._data.get("group")
         if label:
             return label
-        return self.creator.get_group_label()
+        return self._group_label
 
     @property
     def creator_identifier(self):
-        return self.creator.identifier
+        return self._data["creator_identifier"]
 
     @property
     def creator_label(self):
-        return self.creator.label or self.creator_identifier
-
-    @property
-    def create_context(self):
-        return self.creator.create_context
-
-    @property
-    def host(self):
-        return self.create_context.host
-
-    @property
-    def has_set_asset(self):
-        """Asset name is set in data."""
-        return "asset" in self._data
-
-    @property
-    def has_set_task(self):
-        """Task name is set in data."""
-        return "task" in self._data
-
-    @property
-    def has_valid_context(self):
-        """Context data are valid for publishing."""
-        return self.has_valid_asset and self.has_valid_task
-
-    @property
-    def has_valid_asset(self):
-        """Asset set in context exists in project."""
-        if not self.has_set_asset:
-            return False
-        return self._asset_is_valid
-
-    @property
-    def has_valid_task(self):
-        """Task set in context exists in project."""
-        if not self.has_set_task:
-            return False
-        return self._task_is_valid
-
-    def set_asset_invalid(self, invalid):
-        # TODO replace with `set_asset_name`
-        self._asset_is_valid = not invalid
-
-    def set_task_invalid(self, invalid):
-        # TODO replace with `set_task_name`
-        self._task_is_valid = not invalid
+        return self._creator_label or self.creator_identifier
 
     @property
     def id(self):
-        """Instance identifier."""
+        """Instance identifier.
+
+        Returns:
+            str: UUID of instance.
+        """
 
         return self._data["instance_id"]
 
@@ -742,6 +786,10 @@ class CreatedInstance:
         """Legacy access to data.
 
         Access to data is needed to modify values.
+
+        Returns:
+            CreatedInstance: Object can be used as dictionary but with
+                validations of immutable keys.
         """
 
         return self
@@ -818,6 +866,12 @@ class CreatedInstance:
 
     @property
     def creator_attribute_defs(self):
+        """Attribute defintions defined by creator plugin.
+
+        Returns:
+              List[AbstractAttrDef]: Attribute defitions.
+        """
+
         return self.creator_attributes.attr_defs
 
     @property
@@ -829,7 +883,7 @@ class CreatedInstance:
 
         It is possible to recreate the instance using these data.
 
-        Todo:
+        Todos:
             We probably don't need OrderedDict. When data are loaded they
                 are not ordered anymore.
 
@@ -850,7 +904,15 @@ class CreatedInstance:
 
     @classmethod
     def from_existing(cls, instance_data, creator):
-        """Convert instance data from workfile to CreatedInstance."""
+        """Convert instance data from workfile to CreatedInstance.
+
+        Args:
+            instance_data (Dict[str, Any]): Data in a structure ready for
+                'CreatedInstance' object.
+            creator (Creator): Creator plugin which is creating the instance
+                of for which the instance belong.
+        """
+
         instance_data = copy.deepcopy(instance_data)
 
         family = instance_data.get("family", None)
@@ -859,26 +921,49 @@ class CreatedInstance:
         subset_name = instance_data.get("subset", None)
 
         return cls(
-            family, subset_name, instance_data, creator, new=False
+            family, subset_name, instance_data, creator
         )
 
     def set_publish_plugins(self, attr_plugins):
+        """Set publish plugins with attribute definitions.
+
+        This method should be called only from 'CreateContext'.
+
+        Args:
+            attr_plugins (List[pyblish.api.Plugin]): Pyblish plugins which
+                inherit from 'OpenPypePyblishPluginMixin' and may contain
+                attribute definitions.
+        """
+
         self.publish_attributes.set_publish_plugins(attr_plugins)
 
     def add_members(self, members):
         """Currently unused method."""
+
         for member in members:
             if member not in self._members:
                 self._members.append(member)
 
     def serialize_for_remote(self):
+        """Serialize object into data to be possible recreated object.
+
+        Returns:
+            Dict[str, Any]: Serialized data.
+        """
+
+        creator_attr_defs = self.creator_attributes.get_serialized_attr_defs()
+        publish_attributes = self.publish_attributes.serialize_attributes()
         return {
             "data": self.data_to_store(),
-            "orig_data": copy.deepcopy(self._orig_data)
+            "orig_data": copy.deepcopy(self._orig_data),
+            "creator_attr_defs": creator_attr_defs,
+            "publish_attributes": publish_attributes,
+            "creator_label": self._creator_label,
+            "group_label": self._group_label,
         }
 
     @classmethod
-    def deserialize_on_remote(cls, serialized_data, creator_items):
+    def deserialize_on_remote(cls, serialized_data):
         """Convert instance data to CreatedInstance.
 
         This is fake instance in remote process e.g. in UI process. The creator
@@ -888,24 +973,32 @@ class CreatedInstance:
         Args:
             serialized_data (Dict[str, Any]): Serialized data for remote
                 recreating. Should contain 'data' and 'orig_data'.
-            creator_items (Dict[str, Any]): Mapping of creator identifier and
-                objects that behave like a creator for most of attribute
-                access.
         """
 
         instance_data = copy.deepcopy(serialized_data["data"])
         creator_identifier = instance_data["creator_identifier"]
-        creator_item = creator_items[creator_identifier]
 
-        family = instance_data.get("family", None)
-        if family is None:
-            family = creator_item.family
+        family = instance_data["family"]
         subset_name = instance_data.get("subset", None)
 
+        creator_label = serialized_data["creator_label"]
+        group_label = serialized_data["group_label"]
+        creator_attr_defs = deserialize_attr_defs(
+            serialized_data["creator_attr_defs"]
+        )
+        publish_attributes = serialized_data["publish_attributes"]
+
         obj = cls(
-            family, subset_name, instance_data, creator_item, new=False
+            family,
+            subset_name,
+            instance_data,
+            creator_identifier=creator_identifier,
+            creator_label=creator_label,
+            group_label=group_label,
+            creator_attributes=creator_attr_defs
         )
         obj._orig_data = serialized_data["orig_data"]
+        obj.publish_attributes.deserialize_attributes(publish_attributes)
 
         return obj
 
@@ -962,6 +1055,49 @@ class CreatedInstance:
                 if current_value != new_value:
                     self[key] = new_value
 
+    # Context validation related methods/properties
+    @property
+    def has_set_asset(self):
+        """Asset name is set in data."""
+
+        return "asset" in self._data
+
+    @property
+    def has_set_task(self):
+        """Task name is set in data."""
+
+        return "task" in self._data
+
+    @property
+    def has_valid_context(self):
+        """Context data are valid for publishing."""
+
+        return self.has_valid_asset and self.has_valid_task
+
+    @property
+    def has_valid_asset(self):
+        """Asset set in context exists in project."""
+
+        if not self.has_set_asset:
+            return False
+        return self._asset_is_valid
+
+    @property
+    def has_valid_task(self):
+        """Task set in context exists in project."""
+
+        if not self.has_set_task:
+            return False
+        return self._task_is_valid
+
+    def set_asset_invalid(self, invalid):
+        # TODO replace with `set_asset_name`
+        self._asset_is_valid = not invalid
+
+    def set_task_invalid(self, invalid):
+        # TODO replace with `set_task_name`
+        self._task_is_valid = not invalid
+
 
 class ConvertorItem(object):
     """Item representing convertor plugin.
@@ -1000,6 +1136,10 @@ class CreateContext:
     Context itself also can store data related to whole creation (workfile).
     - those are mainly for Context publish plugins
 
+    Todos:
+        Don't use 'AvalonMongoDB'. It's used only to keep track about current
+            context which should be handled by host.
+
     Args:
         host(ModuleType): Host implementation which handles implementation and
             global metadata.
@@ -1402,7 +1542,7 @@ class CreateContext:
         self._instances_by_id[instance.id] = instance
         # Prepare publish plugin attributes and set it on instance
         attr_plugins = self._get_publish_plugins_with_attr_for_family(
-            instance.creator.family
+            instance.family
         )
         instance.set_publish_plugins(attr_plugins)
 
diff --git a/openpype/pipeline/create/creator_plugins.py b/openpype/pipeline/create/creator_plugins.py
index 8500dd1e22..1f92056b23 100644
--- a/openpype/pipeline/create/creator_plugins.py
+++ b/openpype/pipeline/create/creator_plugins.py
@@ -425,8 +425,8 @@ class BaseCreator:
         keys/values when plugin attributes change.
 
         Returns:
-            List[AbtractAttrDef]: Attribute definitions that can be tweaked for
-                created instance.
+            List[AbstractAttrDef]: Attribute definitions that can be tweaked
+                for created instance.
         """
 
         return self.instance_attr_defs
@@ -563,8 +563,8 @@ class Creator(BaseCreator):
             updating keys/values when plugin attributes change.
 
         Returns:
-            List[AbtractAttrDef]: Attribute definitions that can be tweaked for
-                created instance.
+            List[AbstractAttrDef]: Attribute definitions that can be tweaked
+                for created instance.
         """
         return self.pre_create_attr_defs
 
diff --git a/openpype/pipeline/publish/publish_plugins.py b/openpype/pipeline/publish/publish_plugins.py
index 5ba3ded475..e2ae893aa9 100644
--- a/openpype/pipeline/publish/publish_plugins.py
+++ b/openpype/pipeline/publish/publish_plugins.py
@@ -118,7 +118,7 @@ class OpenPypePyblishPluginMixin:
 
         Attributes available for all families in plugin's `families` attribute.
         Returns:
-            list<AbtractAttrDef>: Attribute definitions for plugin.
+            list<AbstractAttrDef>: Attribute definitions for plugin.
         """
 
         return []
diff --git a/openpype/pipeline/workfile/workfile_template_builder.py b/openpype/pipeline/workfile/workfile_template_builder.py
index 1266c27fd7..119e4aaeb7 100644
--- a/openpype/pipeline/workfile/workfile_template_builder.py
+++ b/openpype/pipeline/workfile/workfile_template_builder.py
@@ -842,7 +842,8 @@ class PlaceholderPlugin(object):
         """Placeholder options for data showed.
 
         Returns:
-            List[AbtractAttrDef]: Attribute definitions of placeholder options.
+            List[AbstractAttrDef]: Attribute definitions of
+                placeholder options.
         """
 
         return []
@@ -1143,7 +1144,7 @@ class PlaceholderLoadMixin(object):
                 as defaults for attributes.
 
         Returns:
-            List[AbtractAttrDef]: Attribute definitions common for load
+            List[AbstractAttrDef]: Attribute definitions common for load
                 plugins.
         """
 
@@ -1513,7 +1514,7 @@ class PlaceholderCreateMixin(object):
                 as defaults for attributes.
 
         Returns:
-            List[AbtractAttrDef]: Attribute definitions common for create
+            List[AbstractAttrDef]: Attribute definitions common for create
                 plugins.
         """
 
diff --git a/openpype/tools/attribute_defs/widgets.py b/openpype/tools/attribute_defs/widgets.py
index bf61dc3776..3cec1d2683 100644
--- a/openpype/tools/attribute_defs/widgets.py
+++ b/openpype/tools/attribute_defs/widgets.py
@@ -4,7 +4,7 @@ import copy
 from qtpy import QtWidgets, QtCore
 
 from openpype.lib.attribute_definitions import (
-    AbtractAttrDef,
+    AbstractAttrDef,
     UnknownDef,
     HiddenDef,
     NumberDef,
@@ -33,9 +33,9 @@ def create_widget_for_attr_def(attr_def, parent=None):
 
 
 def _create_widget_for_attr_def(attr_def, parent=None):
-    if not isinstance(attr_def, AbtractAttrDef):
+    if not isinstance(attr_def, AbstractAttrDef):
         raise TypeError("Unexpected type \"{}\" expected \"{}\"".format(
-            str(type(attr_def)), AbtractAttrDef
+            str(type(attr_def)), AbstractAttrDef
         ))
 
     if isinstance(attr_def, NumberDef):
diff --git a/openpype/tools/loader/lib.py b/openpype/tools/loader/lib.py
index 552dc91a10..d47bc7e07a 100644
--- a/openpype/tools/loader/lib.py
+++ b/openpype/tools/loader/lib.py
@@ -2,7 +2,7 @@ import inspect
 from qtpy import QtGui
 import qtawesome
 
-from openpype.lib.attribute_definitions import AbtractAttrDef
+from openpype.lib.attribute_definitions import AbstractAttrDef
 from openpype.tools.attribute_defs import AttributeDefinitionsDialog
 from openpype.tools.utils.widgets import (
     OptionalAction,
@@ -43,7 +43,7 @@ def get_options(action, loader, parent, repre_contexts):
     if not getattr(action, "optioned", False) or not loader_options:
         return options
 
-    if isinstance(loader_options[0], AbtractAttrDef):
+    if isinstance(loader_options[0], AbstractAttrDef):
         qargparse_options = False
         dialog = AttributeDefinitionsDialog(loader_options, parent)
     else:
diff --git a/openpype/tools/publisher/control.py b/openpype/tools/publisher/control.py
index 50a814de5c..7c8da66744 100644
--- a/openpype/tools/publisher/control.py
+++ b/openpype/tools/publisher/control.py
@@ -826,7 +826,6 @@ class CreatorItem:
         label,
         group_label,
         icon,
-        instance_attributes_defs,
         description,
         detailed_description,
         default_variant,
@@ -847,12 +846,8 @@ class CreatorItem:
         self.default_variants = default_variants
         self.create_allow_context_change = create_allow_context_change
         self.create_allow_thumbnail = create_allow_thumbnail
-        self.instance_attributes_defs = instance_attributes_defs
         self.pre_create_attributes_defs = pre_create_attributes_defs
 
-    def get_instance_attr_defs(self):
-        return self.instance_attributes_defs
-
     def get_group_label(self):
         return self.group_label
 
@@ -891,7 +886,6 @@ class CreatorItem:
             creator.label or identifier,
             creator.get_group_label(),
             creator.get_icon(),
-            creator.get_instance_attr_defs(),
             description,
             detail_description,
             default_variant,
@@ -902,15 +896,9 @@ class CreatorItem:
         )
 
     def to_data(self):
-        instance_attributes_defs = None
-        if self.instance_attributes_defs is not None:
-            instance_attributes_defs = serialize_attr_defs(
-                self.instance_attributes_defs
-            )
-
         pre_create_attributes_defs = None
         if self.pre_create_attributes_defs is not None:
-            instance_attributes_defs = serialize_attr_defs(
+            pre_create_attributes_defs = serialize_attr_defs(
                 self.pre_create_attributes_defs
             )
 
@@ -927,18 +915,11 @@ class CreatorItem:
             "default_variants": self.default_variants,
             "create_allow_context_change": self.create_allow_context_change,
             "create_allow_thumbnail": self.create_allow_thumbnail,
-            "instance_attributes_defs": instance_attributes_defs,
             "pre_create_attributes_defs": pre_create_attributes_defs,
         }
 
     @classmethod
     def from_data(cls, data):
-        instance_attributes_defs = data["instance_attributes_defs"]
-        if instance_attributes_defs is not None:
-            data["instance_attributes_defs"] = deserialize_attr_defs(
-                instance_attributes_defs
-            )
-
         pre_create_attributes_defs = data["pre_create_attributes_defs"]
         if pre_create_attributes_defs is not None:
             data["pre_create_attributes_defs"] = deserialize_attr_defs(
@@ -1879,12 +1860,12 @@ class PublisherController(BasePublisherController):
                 which should be attribute definitions returned.
         """
 
+        # NOTE it would be great if attrdefs would have hash method implemented
+        #   so they could be used as keys in dictionary
         output = []
         _attr_defs = {}
         for instance in instances:
-            creator_identifier = instance.creator_identifier
-            creator_item = self.creator_items[creator_identifier]
-            for attr_def in creator_item.instance_attributes_defs:
+            for attr_def in instance.creator_attribute_defs:
                 found_idx = None
                 for idx, _attr_def in _attr_defs.items():
                     if attr_def == _attr_def:
diff --git a/openpype/tools/publisher/control_qt.py b/openpype/tools/publisher/control_qt.py
index 3639c4bb30..132b42f9ec 100644
--- a/openpype/tools/publisher/control_qt.py
+++ b/openpype/tools/publisher/control_qt.py
@@ -136,10 +136,7 @@ class QtRemotePublishController(BasePublisherController):
 
         created_instances = {}
         for serialized_data in serialized_instances:
-            item = CreatedInstance.deserialize_on_remote(
-                serialized_data,
-                self._creator_items
-            )
+            item = CreatedInstance.deserialize_on_remote(serialized_data)
             created_instances[item.id] = item
 
         self._created_instances = created_instances
diff --git a/openpype/tools/publisher/widgets/widgets.py b/openpype/tools/publisher/widgets/widgets.py
index 2e8d0ce37c..587bcb059d 100644
--- a/openpype/tools/publisher/widgets/widgets.py
+++ b/openpype/tools/publisher/widgets/widgets.py
@@ -1220,7 +1220,8 @@ class GlobalAttrsWidget(QtWidgets.QWidget):
 
         asset_task_combinations = []
         for instance in instances:
-            if instance.creator is None:
+            # NOTE I'm not sure how this can even happen?
+            if instance.creator_identifier is None:
                 editable = False
 
             variants.add(instance.get("variant") or self.unknown_value)
diff --git a/openpype/tools/utils/widgets.py b/openpype/tools/utils/widgets.py
index a9d6fa35b2..41573687e1 100644
--- a/openpype/tools/utils/widgets.py
+++ b/openpype/tools/utils/widgets.py
@@ -8,7 +8,7 @@ from openpype.style import (
     get_objected_colors,
     get_style_image_path
 )
-from openpype.lib.attribute_definitions import AbtractAttrDef
+from openpype.lib.attribute_definitions import AbstractAttrDef
 
 log = logging.getLogger(__name__)
 
@@ -406,7 +406,7 @@ class OptionalAction(QtWidgets.QWidgetAction):
 
     def set_option_tip(self, options):
         sep = "\n\n"
-        if not options or not isinstance(options[0], AbtractAttrDef):
+        if not options or not isinstance(options[0], AbstractAttrDef):
             mak = (lambda opt: opt["name"] + " :\n    " + opt["help"])
             self.option_tip = sep.join(mak(opt) for opt in options)
             return
diff --git a/openpype/version.py b/openpype/version.py
index ab61b16a14..3941912c6e 100644
--- a/openpype/version.py
+++ b/openpype/version.py
@@ -1,3 +1,3 @@
 # -*- coding: utf-8 -*-
 """Package declaring Pype version."""
-__version__ = "3.15.1-nightly.1"
+__version__ = "3.15.1-nightly.2"
diff --git a/pyproject.toml b/pyproject.toml
index a872ed3609..2fc4f6fe39 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "OpenPype"
-version = "3.15.0" # OpenPype
+version = "3.15.1" # OpenPype
 description = "Open VFX and Animation pipeline with support."
 authors = ["OpenPype Team <info@openpype.io>"]
 license = "MIT License"
diff --git a/tests/integration/hosts/aftereffects/test_deadline_publish_in_aftereffects.py b/tests/integration/hosts/aftereffects/test_deadline_publish_in_aftereffects.py
index 04fe6cb9aa..30761693a8 100644
--- a/tests/integration/hosts/aftereffects/test_deadline_publish_in_aftereffects.py
+++ b/tests/integration/hosts/aftereffects/test_deadline_publish_in_aftereffects.py
@@ -62,7 +62,7 @@ class TestDeadlinePublishInAfterEffects(AEDeadlinePublishTestClass):
         failures.append(
             DBAssert.count_of_types(dbcon, "representation", 4))
 
-        additional_args = {"context.subset": "renderTest_taskMain",
+        additional_args = {"context.subset": "workfileTest_task",
                            "context.ext": "aep"}
         failures.append(
             DBAssert.count_of_types(dbcon, "representation", 1,
@@ -71,7 +71,7 @@ class TestDeadlinePublishInAfterEffects(AEDeadlinePublishTestClass):
         additional_args = {"context.subset": "renderTest_taskMain",
                            "context.ext": "png"}
         failures.append(
-            DBAssert.count_of_types(dbcon, "representation", 1,
+            DBAssert.count_of_types(dbcon, "representation", 2,
                                     additional_args=additional_args))
 
         additional_args = {"context.subset": "renderTest_taskMain",
diff --git a/tests/integration/hosts/aftereffects/test_deadline_publish_in_aftereffects_multicomposition.py b/tests/integration/hosts/aftereffects/test_deadline_publish_in_aftereffects_multicomposition.py
index f009b45f4d..d372efcb9a 100644
--- a/tests/integration/hosts/aftereffects/test_deadline_publish_in_aftereffects_multicomposition.py
+++ b/tests/integration/hosts/aftereffects/test_deadline_publish_in_aftereffects_multicomposition.py
@@ -47,7 +47,7 @@ class TestDeadlinePublishInAfterEffectsMultiComposition(AEDeadlinePublishTestCla
         print("test_db_asserts")
         failures = []
 
-        failures.append(DBAssert.count_of_types(dbcon, "version", 2))
+        failures.append(DBAssert.count_of_types(dbcon, "version", 3))
 
         failures.append(
             DBAssert.count_of_types(dbcon, "version", 0, name={"$ne": 1}))
@@ -80,7 +80,7 @@ class TestDeadlinePublishInAfterEffectsMultiComposition(AEDeadlinePublishTestCla
         additional_args = {"context.subset": "renderTest_taskMain",
                            "context.ext": "png"}
         failures.append(
-            DBAssert.count_of_types(dbcon, "representation", 1,
+            DBAssert.count_of_types(dbcon, "representation", 2,
                                     additional_args=additional_args))
 
         additional_args = {"context.subset": "renderTest_taskMain",
diff --git a/tests/integration/hosts/aftereffects/test_publish_in_aftereffects.py b/tests/integration/hosts/aftereffects/test_publish_in_aftereffects.py
index 57d5a3e3f1..2e4f343a5a 100644
--- a/tests/integration/hosts/aftereffects/test_publish_in_aftereffects.py
+++ b/tests/integration/hosts/aftereffects/test_publish_in_aftereffects.py
@@ -60,7 +60,7 @@ class TestPublishInAfterEffects(AELocalPublishTestClass):
         failures.append(
             DBAssert.count_of_types(dbcon, "representation", 4))
 
-        additional_args = {"context.subset": "renderTest_taskMain",
+        additional_args = {"context.subset": "workfileTest_task",
                            "context.ext": "aep"}
         failures.append(
             DBAssert.count_of_types(dbcon, "representation", 1,
@@ -69,7 +69,7 @@ class TestPublishInAfterEffects(AELocalPublishTestClass):
         additional_args = {"context.subset": "renderTest_taskMain",
                            "context.ext": "png"}
         failures.append(
-            DBAssert.count_of_types(dbcon, "representation", 1,
+            DBAssert.count_of_types(dbcon, "representation", 2,
                                     additional_args=additional_args))
 
         additional_args = {"context.subset": "renderTest_taskMain",
diff --git a/tests/integration/hosts/aftereffects/test_publish_in_aftereffects_multiframe.py b/tests/integration/hosts/aftereffects/test_publish_in_aftereffects_multiframe.py
index 2d95eada99..dcf34844d1 100644
--- a/tests/integration/hosts/aftereffects/test_publish_in_aftereffects_multiframe.py
+++ b/tests/integration/hosts/aftereffects/test_publish_in_aftereffects_multiframe.py
@@ -47,7 +47,7 @@ class TestPublishInAfterEffects(AELocalPublishTestClass):
         failures.append(
             DBAssert.count_of_types(dbcon, "representation", 4))
 
-        additional_args = {"context.subset": "renderTest_taskMain",
+        additional_args = {"context.subset": "workfileTest_task",
                            "context.ext": "aep"}
         failures.append(
             DBAssert.count_of_types(dbcon, "representation", 1,