diff --git a/client/ayon_core/addon/base.py b/client/ayon_core/addon/base.py
index 6ef838652e..21b1193b07 100644
--- a/client/ayon_core/addon/base.py
+++ b/client/ayon_core/addon/base.py
@@ -15,6 +15,7 @@ from abc import ABCMeta, abstractmethod
 import six
 import appdirs
 import ayon_api
+from semver import VersionInfo
 
 from ayon_core import AYON_CORE_ROOT
 from ayon_core.lib import Logger, is_dev_mode_enabled
@@ -46,6 +47,11 @@ IGNORED_HOSTS_IN_AYON = {
 }
 IGNORED_MODULES_IN_AYON = set()
 
+# When addon was moved from ayon-core codebase
+# - this is used to log the missing addon
+MOVED_ADDON_MILESTONE_VERSIONS = {
+    "applications": VersionInfo(0, 2, 0),
+}
 
 # Inherit from `object` for Python 2 hosts
 class _ModuleClass(object):
@@ -192,6 +198,45 @@ def _get_ayon_addons_information(bundle_info):
     return output
 
 
+def _handle_moved_addons(addon_name, milestone_version, log):
+    """Log message that addon version is not compatible with current core.
+
+    The function can return path to addon client code, but that can happen
+        only if ayon-core is used from code (for development), but still
+        logs a warning.
+
+    Args:
+        addon_name (str): Addon name.
+        milestone_version (str): Milestone addon version.
+        log (logging.Logger): Logger object.
+
+    Returns:
+        Union[str, None]: Addon dir or None.
+    """
+    # Handle addons which were moved out of ayon-core
+    # - Try to fix it by loading it directly from server addons dir in
+    #   ayon-core repository. But that will work only if ayon-core is
+    #   used from code.
+    addon_dir = os.path.join(
+        os.path.dirname(os.path.dirname(AYON_CORE_ROOT)),
+        "server_addon",
+        addon_name,
+        "client",
+    )
+    if not os.path.exists(addon_dir):
+        log.error((
+            "Addon '{}' is not be available."
+            " Please update applications addon to '{}' or higher."
+        ).format(addon_name, milestone_version))
+        return None
+
+    log.warning((
+        "Please update '{}' addon to '{}' or higher."
+        " Using client code from ayon-core repository."
+    ).format(addon_name, milestone_version))
+    return addon_dir
+
+
 def _load_ayon_addons(openpype_modules, modules_key, log):
     """Load AYON addons based on information from server.
 
@@ -249,6 +294,7 @@ def _load_ayon_addons(openpype_modules, modules_key, log):
         use_dev_path = dev_addon_info.get("enabled", False)
 
         addon_dir = None
+        milestone_version = MOVED_ADDON_MILESTONE_VERSIONS.get(addon_name)
         if use_dev_path:
             addon_dir = dev_addon_info["path"]
             if not addon_dir or not os.path.exists(addon_dir):
@@ -257,6 +303,16 @@ def _load_ayon_addons(openpype_modules, modules_key, log):
                 ).format(addon_name, addon_version, addon_dir))
                 continue
 
+        elif (
+            milestone_version is not None
+            and VersionInfo.parse(addon_version) < milestone_version
+        ):
+            addon_dir = _handle_moved_addons(
+                addon_name, milestone_version, log
+            )
+            if not addon_dir:
+                continue
+
         elif addons_dir_exists:
             folder_name = "{}_{}".format(addon_name, addon_version)
             addon_dir = os.path.join(addons_dir, folder_name)
@@ -336,66 +392,9 @@ def _load_ayon_addons(openpype_modules, modules_key, log):
     return addons_to_skip_in_core
 
 
-def _load_ayon_core_addons_dir(
-    ignore_addon_names, openpype_modules, modules_key, log
-):
-    addons_dir = os.path.join(AYON_CORE_ROOT, "addons")
-    if not os.path.exists(addons_dir):
-        return
-
-    imported_modules = []
-
-    # Make sure that addons which already have client code are not loaded
-    #   from core again, with older code
-    filtered_paths = []
-    for name in os.listdir(addons_dir):
-        if name in ignore_addon_names:
-            continue
-        path = os.path.join(addons_dir, name)
-        if os.path.isdir(path):
-            filtered_paths.append(path)
-
-    for path in filtered_paths:
-        while path in sys.path:
-            sys.path.remove(path)
-        sys.path.insert(0, path)
-
-        for name in os.listdir(path):
-            fullpath = os.path.join(path, name)
-            if os.path.isfile(fullpath):
-                basename, ext = os.path.splitext(name)
-                if ext != ".py":
-                    continue
-            else:
-                basename = name
-            try:
-                module = __import__(basename, fromlist=("",))
-                for attr_name in dir(module):
-                    attr = getattr(module, attr_name)
-                    if (
-                        inspect.isclass(attr)
-                        and issubclass(attr, AYONAddon)
-                    ):
-                        new_import_str = "{}.{}".format(modules_key, basename)
-                        sys.modules[new_import_str] = module
-                        setattr(openpype_modules, basename, module)
-                        imported_modules.append(module)
-                        break
-
-            except Exception:
-                log.error(
-                    "Failed to import addon '{}'.".format(fullpath),
-                    exc_info=True
-                )
-    return imported_modules
-
-
 def _load_addons_in_core(
     ignore_addon_names, openpype_modules, modules_key, log
 ):
-    _load_ayon_core_addons_dir(
-        ignore_addon_names, openpype_modules, modules_key, log
-    )
     # Add current directory at first place
     #   - has small differences in import logic
     hosts_dir = os.path.join(AYON_CORE_ROOT, "hosts")
diff --git a/client/ayon_core/hosts/aftereffects/plugins/publish/collect_render.py b/client/ayon_core/hosts/aftereffects/plugins/publish/collect_render.py
index 4134e9d593..c28042b6ae 100644
--- a/client/ayon_core/hosts/aftereffects/plugins/publish/collect_render.py
+++ b/client/ayon_core/hosts/aftereffects/plugins/publish/collect_render.py
@@ -41,7 +41,6 @@ class CollectAERender(publish.AbstractCollectRender):
 
     def get_instances(self, context):
         instances = []
-        instances_to_remove = []
 
         app_version = CollectAERender.get_stub().get_app_version()
         app_version = app_version[0:4]
@@ -117,7 +116,10 @@ class CollectAERender(publish.AbstractCollectRender):
                 fps=fps,
                 app_version=app_version,
                 publish_attributes=inst.data.get("publish_attributes", {}),
-                file_names=[item.file_name for item in render_q]
+                file_names=[item.file_name for item in render_q],
+
+                # The source instance this render instance replaces
+                source_instance=inst
             )
 
             comp = compositions_by_id.get(comp_id)
@@ -145,10 +147,7 @@ class CollectAERender(publish.AbstractCollectRender):
                     instance.families.remove("review")
 
             instances.append(instance)
-            instances_to_remove.append(inst)
 
-        for instance in instances_to_remove:
-            context.remove(instance)
         return instances
 
     def get_expected_files(self, render_instance):
diff --git a/client/ayon_core/hosts/blender/addon.py b/client/ayon_core/hosts/blender/addon.py
index b7484de243..6a4b325365 100644
--- a/client/ayon_core/hosts/blender/addon.py
+++ b/client/ayon_core/hosts/blender/addon.py
@@ -55,8 +55,7 @@ class BlenderAddon(AYONAddon, IHostAddon):
         )
 
         # Define Qt binding if not defined
-        if not env.get("QT_PREFERRED_BINDING"):
-            env["QT_PREFERRED_BINDING"] = "PySide2"
+        env.pop("QT_PREFERRED_BINDING", None)
 
     def get_launch_hook_paths(self, app):
         if app.host_name != self.host_name:
diff --git a/client/ayon_core/hosts/blender/hooks/pre_pyside_install.py b/client/ayon_core/hosts/blender/hooks/pre_pyside_install.py
index 8f46eea0de..87a4f5cfad 100644
--- a/client/ayon_core/hosts/blender/hooks/pre_pyside_install.py
+++ b/client/ayon_core/hosts/blender/hooks/pre_pyside_install.py
@@ -31,7 +31,7 @@ class InstallPySideToBlender(PreLaunchHook):
 
     def inner_execute(self):
         # Get blender's python directory
-        version_regex = re.compile(r"^[2-4]\.[0-9]+$")
+        version_regex = re.compile(r"^([2-4])\.[0-9]+$")
 
         platform = system().lower()
         executable = self.launch_context.executable.executable_path
@@ -42,7 +42,8 @@ class InstallPySideToBlender(PreLaunchHook):
         if os.path.basename(executable).lower() != expected_executable:
             self.log.info((
                 f"Executable does not lead to {expected_executable} file."
-                "Can't determine blender's python to check/install PySide2."
+                "Can't determine blender's python to check/install"
+                " Qt binding."
             ))
             return
 
@@ -73,6 +74,15 @@ class InstallPySideToBlender(PreLaunchHook):
             return
 
         version_subfolder = version_subfolders[0]
+        before_blender_4 = False
+        if int(version_regex.match(version_subfolder).group(1)) < 4:
+            before_blender_4 = True
+        # Blender 4 has Python 3.11 which does not support 'PySide2'
+        # QUESTION could we always install PySide6?
+        qt_binding = "PySide2" if before_blender_4 else "PySide6"
+        # Use PySide6 6.6.3 because 6.7.0 had a bug
+        #   - 'QTextEdit' can't be added to 'QBoxLayout'
+        qt_binding_version = None if before_blender_4 else "6.6.3"
 
         python_dir = os.path.join(versions_dir, version_subfolder, "python")
         python_lib = os.path.join(python_dir, "lib")
@@ -116,22 +126,41 @@ class InstallPySideToBlender(PreLaunchHook):
             return
 
         # Check if PySide2 is installed and skip if yes
-        if self.is_pyside_installed(python_executable):
+        if self.is_pyside_installed(python_executable, qt_binding):
             self.log.debug("Blender has already installed PySide2.")
             return
 
         # Install PySide2 in blender's python
         if platform == "windows":
-            result = self.install_pyside_windows(python_executable)
+            result = self.install_pyside_windows(
+                python_executable,
+                qt_binding,
+                qt_binding_version,
+                before_blender_4,
+            )
         else:
-            result = self.install_pyside(python_executable)
+            result = self.install_pyside(
+                python_executable,
+                qt_binding,
+                qt_binding_version,
+            )
 
         if result:
-            self.log.info("Successfully installed PySide2 module to blender.")
+            self.log.info(
+                f"Successfully installed {qt_binding} module to blender."
+            )
         else:
-            self.log.warning("Failed to install PySide2 module to blender.")
+            self.log.warning(
+                f"Failed to install {qt_binding} module to blender."
+            )
 
-    def install_pyside_windows(self, python_executable):
+    def install_pyside_windows(
+        self,
+        python_executable,
+        qt_binding,
+        qt_binding_version,
+        before_blender_4,
+    ):
         """Install PySide2 python module to blender's python.
 
         Installation requires administration rights that's why it is required
@@ -139,7 +168,6 @@ class InstallPySideToBlender(PreLaunchHook):
         administration rights.
         """
         try:
-            import win32api
             import win32con
             import win32process
             import win32event
@@ -150,12 +178,37 @@ class InstallPySideToBlender(PreLaunchHook):
             self.log.warning("Couldn't import \"pywin32\" modules")
             return
 
+        if qt_binding_version:
+            qt_binding = f"{qt_binding}=={qt_binding_version}"
+
         try:
             # Parameters
             # - use "-m pip" as module pip to install PySide2 and argument
             #   "--ignore-installed" is to force install module to blender's
             #   site-packages and make sure it is binary compatible
-            parameters = "-m pip install --ignore-installed PySide2"
+            fake_exe = "fake.exe"
+            site_packages_prefix = os.path.dirname(
+                os.path.dirname(python_executable)
+            )
+            args = [
+                fake_exe,
+                "-m",
+                "pip",
+                "install",
+                "--ignore-installed",
+                qt_binding,
+            ]
+            if not before_blender_4:
+                # Define prefix for site package
+                # Python in blender 4.x is installing packages in AppData and
+                #   not in blender's directory.
+                args.extend(["--prefix", site_packages_prefix])
+
+            parameters = (
+                subprocess.list2cmdline(args)
+                .lstrip(fake_exe)
+                .lstrip(" ")
+            )
 
             # Execute command and ask for administrator's rights
             process_info = ShellExecuteEx(
@@ -173,20 +226,29 @@ class InstallPySideToBlender(PreLaunchHook):
         except pywintypes.error:
             pass
 
-    def install_pyside(self, python_executable):
-        """Install PySide2 python module to blender's python."""
+    def install_pyside(
+        self,
+        python_executable,
+        qt_binding,
+        qt_binding_version,
+    ):
+        """Install Qt binding python module to blender's python."""
+        if qt_binding_version:
+            qt_binding = f"{qt_binding}=={qt_binding_version}"
         try:
             # Parameters
-            # - use "-m pip" as module pip to install PySide2 and argument
+            # - use "-m pip" as module pip to install qt binding and argument
             #   "--ignore-installed" is to force install module to blender's
             #   site-packages and make sure it is binary compatible
+            # TODO find out if blender 4.x on linux/darwin does install
+            #   qt binding to correct place.
             args = [
                 python_executable,
                 "-m",
                 "pip",
                 "install",
                 "--ignore-installed",
-                "PySide2",
+                qt_binding,
             ]
             process = subprocess.Popen(
                 args, stdout=subprocess.PIPE, universal_newlines=True
@@ -203,13 +265,15 @@ class InstallPySideToBlender(PreLaunchHook):
         except subprocess.SubprocessError:
             pass
 
-    def is_pyside_installed(self, python_executable):
+    def is_pyside_installed(self, python_executable, qt_binding):
         """Check if PySide2 module is in blender's pip list.
 
         Check that PySide2 is installed directly in blender's site-packages.
         It is possible that it is installed in user's site-packages but that
         may be incompatible with blender's python.
         """
+
+        qt_binding_low = qt_binding.lower()
         # Get pip list from blender's python executable
         args = [python_executable, "-m", "pip", "list"]
         process = subprocess.Popen(args, stdout=subprocess.PIPE)
@@ -226,6 +290,6 @@ class InstallPySideToBlender(PreLaunchHook):
             if not line:
                 continue
             package_name = line[0:package_len].strip()
-            if package_name.lower() == "pyside2":
+            if package_name.lower() == qt_binding_low:
                 return True
         return False
diff --git a/client/ayon_core/hosts/blender/plugins/load/load_layout_json.py b/client/ayon_core/hosts/blender/plugins/load/load_layout_json.py
index bea997108b..d20eaad9fc 100644
--- a/client/ayon_core/hosts/blender/plugins/load/load_layout_json.py
+++ b/client/ayon_core/hosts/blender/plugins/load/load_layout_json.py
@@ -167,7 +167,7 @@ class JsonLayoutLoader(plugin.AssetLoader):
         asset_group.empty_display_type = 'SINGLE_ARROW'
         avalon_container.objects.link(asset_group)
 
-        self._process(libpath, asset, asset_group, None)
+        self._process(libpath, asset_name, asset_group, None)
 
         bpy.context.scene.collection.objects.link(asset_group)
 
diff --git a/client/ayon_core/hosts/blender/plugins/publish/extract_abc.py b/client/ayon_core/hosts/blender/plugins/publish/extract_abc.py
index 094f88fd8c..6590be515c 100644
--- a/client/ayon_core/hosts/blender/plugins/publish/extract_abc.py
+++ b/client/ayon_core/hosts/blender/plugins/publish/extract_abc.py
@@ -2,6 +2,7 @@ import os
 
 import bpy
 
+from ayon_core.lib import BoolDef
 from ayon_core.pipeline import publish
 from ayon_core.hosts.blender.api import plugin
 
@@ -17,6 +18,8 @@ class ExtractABC(publish.Extractor, publish.OptionalPyblishPluginMixin):
         if not self.is_active(instance.data):
             return
 
+        attr_values = self.get_attr_values_from_data(instance.data)
+
         # Define extract output file path
         stagingdir = self.staging_dir(instance)
         folder_name = instance.data["folderEntity"]["name"]
@@ -46,7 +49,8 @@ class ExtractABC(publish.Extractor, publish.OptionalPyblishPluginMixin):
             bpy.ops.wm.alembic_export(
                 filepath=filepath,
                 selected=True,
-                flatten=False
+                flatten=False,
+                subdiv_schema=attr_values.get("subdiv_schema", False)
             )
 
         plugin.deselect_all()
@@ -65,6 +69,21 @@ class ExtractABC(publish.Extractor, publish.OptionalPyblishPluginMixin):
         self.log.debug("Extracted instance '%s' to: %s",
                        instance.name, representation)
 
+    @classmethod
+    def get_attribute_defs(cls):
+        return [
+            BoolDef(
+                "subdiv_schema",
+                label="Alembic Mesh Subdiv Schema",
+                tooltip="Export Meshes using Alembic's subdivision schema.\n"
+                        "Enabling this includes creases with the export but "
+                        "excludes the mesh's normals.\n"
+                        "Enabling this usually result in smaller file size "
+                        "due to lack of normals.",
+                default=False
+            )
+        ]
+
 
 class ExtractModelABC(ExtractABC):
     """Extract model as ABC."""
diff --git a/client/ayon_core/hosts/fusion/api/lib.py b/client/ayon_core/hosts/fusion/api/lib.py
index 03a1eeeb65..08722463e1 100644
--- a/client/ayon_core/hosts/fusion/api/lib.py
+++ b/client/ayon_core/hosts/fusion/api/lib.py
@@ -3,8 +3,8 @@ import sys
 import re
 import contextlib
 
-from ayon_core.lib import Logger
-
+from ayon_core.lib import Logger, BoolDef, UILabelDef
+from ayon_core.style import load_stylesheet
 from ayon_core.pipeline import registered_host
 from ayon_core.pipeline.create import CreateContext
 from ayon_core.pipeline.context_tools import get_current_folder_entity
@@ -181,7 +181,6 @@ def validate_comp_prefs(comp=None, force_repair=False):
 
         from . import menu
         from ayon_core.tools.utils import SimplePopup
-        from ayon_core.style import load_stylesheet
         dialog = SimplePopup(parent=menu.menu)
         dialog.setWindowTitle("Fusion comp has invalid configuration")
 
@@ -340,9 +339,7 @@ def prompt_reset_context():
     from ayon_core.tools.attribute_defs.dialog import (
         AttributeDefinitionsDialog
     )
-    from ayon_core.style import load_stylesheet
-    from ayon_core.lib import BoolDef, UILabelDef
-    from qtpy import QtWidgets, QtCore
+    from qtpy import QtCore
 
     definitions = [
         UILabelDef(
diff --git a/client/ayon_core/hosts/fusion/hooks/pre_fusion_launch_menu_hook.py b/client/ayon_core/hosts/fusion/hooks/pre_fusion_launch_menu_hook.py
index e70d4b844e..113a1ffe59 100644
--- a/client/ayon_core/hosts/fusion/hooks/pre_fusion_launch_menu_hook.py
+++ b/client/ayon_core/hosts/fusion/hooks/pre_fusion_launch_menu_hook.py
@@ -1,5 +1,5 @@
 import os
-from ayon_core.lib import PreLaunchHook
+from ayon_applications import PreLaunchHook
 from ayon_core.hosts.fusion import FUSION_HOST_DIR
 
 
diff --git a/client/ayon_core/hosts/fusion/hooks/pre_pyside_install.py b/client/ayon_core/hosts/fusion/hooks/pre_pyside_install.py
index ab12078c43..4678d5bac7 100644
--- a/client/ayon_core/hosts/fusion/hooks/pre_pyside_install.py
+++ b/client/ayon_core/hosts/fusion/hooks/pre_pyside_install.py
@@ -85,7 +85,6 @@ class InstallPySideToFusion(PreLaunchHook):
         administration rights.
         """
         try:
-            import win32api
             import win32con
             import win32process
             import win32event
diff --git a/client/ayon_core/hosts/fusion/plugins/publish/collect_render.py b/client/ayon_core/hosts/fusion/plugins/publish/collect_render.py
index 36102d02cb..7a2844d5db 100644
--- a/client/ayon_core/hosts/fusion/plugins/publish/collect_render.py
+++ b/client/ayon_core/hosts/fusion/plugins/publish/collect_render.py
@@ -37,14 +37,13 @@ class CollectFusionRender(
         aspect_x = comp_frame_format_prefs["AspectX"]
         aspect_y = comp_frame_format_prefs["AspectY"]
 
-        instances = []
-        instances_to_remove = []
 
         current_file = context.data["currentFile"]
         version = context.data["version"]
 
         project_entity = context.data["projectEntity"]
 
+        instances = []
         for inst in context:
             if not inst.data.get("active", True):
                 continue
@@ -91,7 +90,10 @@ class CollectFusionRender(
                 frameStep=1,
                 fps=comp_frame_format_prefs.get("Rate"),
                 app_version=comp.GetApp().Version,
-                publish_attributes=inst.data.get("publish_attributes", {})
+                publish_attributes=inst.data.get("publish_attributes", {}),
+
+                # The source instance this render instance replaces
+                source_instance=inst
             )
 
             render_target = inst.data["creator_attributes"]["render_target"]
@@ -114,13 +116,7 @@ class CollectFusionRender(
                     # to skip ExtractReview locally
                     instance.families.remove("review")
 
-            # add new instance to the list and remove the original
-            # instance since it is not needed anymore
             instances.append(instance)
-            instances_to_remove.append(inst)
-
-        for instance in instances_to_remove:
-            context.remove(instance)
 
         return instances
 
diff --git a/client/ayon_core/hosts/hiero/plugins/publish/precollect_instances.py b/client/ayon_core/hosts/hiero/plugins/publish/precollect_instances.py
index 67e1f18cbf..b7a508f0b5 100644
--- a/client/ayon_core/hosts/hiero/plugins/publish/precollect_instances.py
+++ b/client/ayon_core/hosts/hiero/plugins/publish/precollect_instances.py
@@ -92,10 +92,6 @@ class PrecollectInstances(pyblish.api.ContextPlugin):
 
             folder_path, folder_name = self._get_folder_data(tag_data)
 
-            product_name = tag_data.get("productName")
-            if product_name is None:
-                product_name = tag_data["subset"]
-
             families = [str(f) for f in tag_data["families"]]
 
             # TODO: remove backward compatibility
@@ -293,7 +289,7 @@ class PrecollectInstances(pyblish.api.ContextPlugin):
         label += " {}".format(product_name)
 
         data.update({
-            "name": "{}_{}".format(folder_path, subset),
+            "name": "{}_{}".format(folder_path, product_name),
             "label": label,
             "productName": product_name,
             "productType": product_type,
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_alembic_camera.py b/client/ayon_core/hosts/houdini/plugins/create/create_alembic_camera.py
index b61b4cbd46..0ab5e2794e 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_alembic_camera.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_alembic_camera.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 """Creator plugin for creating alembic camera products."""
 from ayon_core.hosts.houdini.api import plugin
-from ayon_core.pipeline import CreatedInstance, CreatorError
+from ayon_core.pipeline import CreatorError
 
 import hou
 
@@ -23,7 +23,7 @@ class CreateAlembicCamera(plugin.HoudiniCreator):
         instance = super(CreateAlembicCamera, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: CreatedInstance
+            pre_create_data)
 
         instance_node = hou.node(instance.get("instance_node"))
         parms = {
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_arnold_ass.py b/client/ayon_core/hosts/houdini/plugins/create/create_arnold_ass.py
index 6d992f136a..be5604c01c 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_arnold_ass.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_arnold_ass.py
@@ -29,7 +29,7 @@ class CreateArnoldAss(plugin.HoudiniCreator):
         instance = super(CreateArnoldAss, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: plugin.CreatedInstance
+            pre_create_data)
 
         instance_node = hou.node(instance.get("instance_node"))
 
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_arnold_rop.py b/client/ayon_core/hosts/houdini/plugins/create/create_arnold_rop.py
index b7c5910a4f..f65b54a452 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_arnold_rop.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_arnold_rop.py
@@ -31,7 +31,7 @@ class CreateArnoldRop(plugin.HoudiniCreator):
         instance = super(CreateArnoldRop, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: plugin.CreatedInstance
+            pre_create_data)
 
         instance_node = hou.node(instance.get("instance_node"))
 
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_bgeo.py b/client/ayon_core/hosts/houdini/plugins/create/create_bgeo.py
index 92c89c71cb..3749598b1d 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_bgeo.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_bgeo.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 """Creator plugin for creating pointcache bgeo files."""
 from ayon_core.hosts.houdini.api import plugin
-from ayon_core.pipeline import CreatedInstance, CreatorError
+from ayon_core.pipeline import CreatorError
 import hou
 from ayon_core.lib import EnumDef, BoolDef
 
@@ -25,7 +25,7 @@ class CreateBGEO(plugin.HoudiniCreator):
         instance = super(CreateBGEO, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: CreatedInstance
+            pre_create_data)
 
         instance_node = hou.node(instance.get("instance_node"))
 
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_composite.py b/client/ayon_core/hosts/houdini/plugins/create/create_composite.py
index a1104e5093..a25faf0e8e 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_composite.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_composite.py
@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 """Creator plugin for creating composite sequences."""
 from ayon_core.hosts.houdini.api import plugin
-from ayon_core.pipeline import CreatedInstance, CreatorError
+from ayon_core.pipeline import CreatorError
 
 import hou
 
@@ -25,7 +25,7 @@ class CreateCompositeSequence(plugin.HoudiniCreator):
         instance = super(CreateCompositeSequence, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: CreatedInstance
+            pre_create_data)
 
         instance_node = hou.node(instance.get("instance_node"))
         filepath = "{}{}".format(
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_hda.py b/client/ayon_core/hosts/houdini/plugins/create/create_hda.py
index b307293dc8..d399aa5e15 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_hda.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_hda.py
@@ -78,7 +78,7 @@ class CreateHDA(plugin.HoudiniCreator):
         instance = super(CreateHDA, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: plugin.CreatedInstance
+            pre_create_data)
 
         return instance
 
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_karma_rop.py b/client/ayon_core/hosts/houdini/plugins/create/create_karma_rop.py
index 9eb9d80cd3..e91ddbc0ac 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_karma_rop.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_karma_rop.py
@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 """Creator plugin to create Karma ROP."""
 from ayon_core.hosts.houdini.api import plugin
-from ayon_core.pipeline import CreatedInstance
 from ayon_core.lib import BoolDef, EnumDef, NumberDef
 
 
@@ -25,7 +24,7 @@ class CreateKarmaROP(plugin.HoudiniCreator):
         instance = super(CreateKarmaROP, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: CreatedInstance
+            pre_create_data)
 
         instance_node = hou.node(instance.get("instance_node"))
 
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_mantra_ifd.py b/client/ayon_core/hosts/houdini/plugins/create/create_mantra_ifd.py
index bb10f3893c..e0cf035c35 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_mantra_ifd.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_mantra_ifd.py
@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 """Creator plugin for creating pointcache alembics."""
 from ayon_core.hosts.houdini.api import plugin
-from ayon_core.pipeline import CreatedInstance
 from ayon_core.lib import BoolDef
 
 
@@ -22,7 +21,7 @@ class CreateMantraIFD(plugin.HoudiniCreator):
         instance = super(CreateMantraIFD, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: CreatedInstance
+            pre_create_data)
 
         instance_node = hou.node(instance.get("instance_node"))
 
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_mantra_rop.py b/client/ayon_core/hosts/houdini/plugins/create/create_mantra_rop.py
index f15f49f463..64ecf428e9 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_mantra_rop.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_mantra_rop.py
@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 """Creator plugin to create Mantra ROP."""
 from ayon_core.hosts.houdini.api import plugin
-from ayon_core.pipeline import CreatedInstance
 from ayon_core.lib import EnumDef, BoolDef
 
 
@@ -28,7 +27,7 @@ class CreateMantraROP(plugin.HoudiniCreator):
         instance = super(CreateMantraROP, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: CreatedInstance
+            pre_create_data)
 
         instance_node = hou.node(instance.get("instance_node"))
 
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_usd.py b/client/ayon_core/hosts/houdini/plugins/create/create_usd.py
index ee05639368..700f7eefd6 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_usd.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_usd.py
@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 """Creator plugin for creating USDs."""
 from ayon_core.hosts.houdini.api import plugin
-from ayon_core.pipeline import CreatedInstance
 
 import hou
 
@@ -22,7 +21,7 @@ class CreateUSD(plugin.HoudiniCreator):
         instance = super(CreateUSD, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: CreatedInstance
+            pre_create_data)
 
         instance_node = hou.node(instance.get("instance_node"))
 
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_usdrender.py b/client/ayon_core/hosts/houdini/plugins/create/create_usdrender.py
index 0a5c8896a8..36197e349e 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_usdrender.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_usdrender.py
@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 """Creator plugin for creating USD renders."""
 from ayon_core.hosts.houdini.api import plugin
-from ayon_core.pipeline import CreatedInstance
 
 
 class CreateUSDRender(plugin.HoudiniCreator):
@@ -23,7 +22,7 @@ class CreateUSDRender(plugin.HoudiniCreator):
         instance = super(CreateUSDRender, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: CreatedInstance
+            pre_create_data)
 
         instance_node = hou.node(instance.get("instance_node"))
 
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_vbd_cache.py b/client/ayon_core/hosts/houdini/plugins/create/create_vbd_cache.py
index 9ac7ebdff7..c34cd2b4b5 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_vbd_cache.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_vbd_cache.py
@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 """Creator plugin for creating VDB Caches."""
 from ayon_core.hosts.houdini.api import plugin
-from ayon_core.pipeline import CreatedInstance
 from ayon_core.lib import BoolDef
 
 import hou
@@ -26,7 +25,7 @@ class CreateVDBCache(plugin.HoudiniCreator):
         instance = super(CreateVDBCache, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: CreatedInstance
+            pre_create_data)
 
         instance_node = hou.node(instance.get("instance_node"))
         file_path = "{}{}".format(
diff --git a/client/ayon_core/hosts/houdini/plugins/create/create_vray_rop.py b/client/ayon_core/hosts/houdini/plugins/create/create_vray_rop.py
index 6b2396bffb..5ed9e848a7 100644
--- a/client/ayon_core/hosts/houdini/plugins/create/create_vray_rop.py
+++ b/client/ayon_core/hosts/houdini/plugins/create/create_vray_rop.py
@@ -3,7 +3,7 @@
 import hou
 
 from ayon_core.hosts.houdini.api import plugin
-from ayon_core.pipeline import CreatedInstance, CreatorError
+from ayon_core.pipeline import CreatorError
 from ayon_core.lib import EnumDef, BoolDef
 
 
@@ -31,7 +31,7 @@ class CreateVrayROP(plugin.HoudiniCreator):
         instance = super(CreateVrayROP, self).create(
             product_name,
             instance_data,
-            pre_create_data)  # type: CreatedInstance
+            pre_create_data)
 
         instance_node = hou.node(instance.get("instance_node"))
 
diff --git a/client/ayon_core/hosts/houdini/plugins/publish/collect_inputs.py b/client/ayon_core/hosts/houdini/plugins/publish/collect_inputs.py
index 7d7fabb315..6cf6bbf430 100644
--- a/client/ayon_core/hosts/houdini/plugins/publish/collect_inputs.py
+++ b/client/ayon_core/hosts/houdini/plugins/publish/collect_inputs.py
@@ -1,9 +1,21 @@
+from collections import deque
+
 import pyblish.api
 
 from ayon_core.pipeline import registered_host
 
 
-def collect_input_containers(nodes):
+def get_container_members(container):
+    node = container["node"]
+    # Usually the loaded containers don't have any complex references
+    # and the contained children should be all we need. So we disregard
+    # checking for .references() on the nodes.
+    members = set(node.allSubChildren())
+    members.add(node)  # include the node itself
+    return members
+
+
+def collect_input_containers(containers, nodes):
     """Collect containers that contain any of the node in `nodes`.
 
     This will return any loaded Avalon container that contains at least one of
@@ -11,30 +23,13 @@ def collect_input_containers(nodes):
     there are member nodes of that container.
 
     Returns:
-        list: Input avalon containers
+        list: Loaded containers that contain the `nodes`
 
     """
-
-    # Lookup by node ids
-    lookup = frozenset(nodes)
-
-    containers = []
-    host = registered_host()
-    for container in host.ls():
-
-        node = container["node"]
-
-        # Usually the loaded containers don't have any complex references
-        # and the contained children should be all we need. So we disregard
-        # checking for .references() on the nodes.
-        members = set(node.allSubChildren())
-        members.add(node)  # include the node itself
-
-        # If there's an intersection
-        if not lookup.isdisjoint(members):
-            containers.append(container)
-
-    return containers
+    # Assume the containers have collected their cached '_members' data
+    # in the collector.
+    return [container for container in containers
+            if any(node in container["_members"] for node in nodes)]
 
 
 def iter_upstream(node):
@@ -54,7 +49,7 @@ def iter_upstream(node):
     )
 
     # Initialize process queue with the node's ancestors itself
-    queue = list(upstream)
+    queue = deque(upstream)
     collected = set(upstream)
 
     # Traverse upstream references for all nodes and yield them as we
@@ -72,6 +67,10 @@ def iter_upstream(node):
 
         # Include the references' ancestors that have not been collected yet.
         for reference in references:
+            if reference in collected:
+                # Might have been collected in previous iteration
+                continue
+
             ancestors = reference.inputAncestors(
                 include_ref_inputs=True, follow_subnets=True
             )
@@ -108,13 +107,32 @@ class CollectUpstreamInputs(pyblish.api.InstancePlugin):
             )
             return
 
-        # Collect all upstream parents
-        nodes = list(iter_upstream(output))
-        nodes.append(output)
+        # For large scenes the querying of "host.ls()" can be relatively slow
+        # e.g. up to a second. Many instances calling it easily slows this
+        # down. As such, we cache it so we trigger it only once.
+        # todo: Instead of hidden cache make "CollectContainers" plug-in
+        cache_key = "__cache_containers"
+        scene_containers = instance.context.data.get(cache_key, None)
+        if scene_containers is None:
+            # Query the scenes' containers if there's no cache yet
+            host = registered_host()
+            scene_containers = list(host.ls())
+            for container in scene_containers:
+                # Embed the members into the container dictionary
+                container_members = set(get_container_members(container))
+                container["_members"] = container_members
+            instance.context.data[cache_key] = scene_containers
 
-        # Collect containers for the given set of nodes
-        containers = collect_input_containers(nodes)
+        inputs = []
+        if scene_containers:
+            # Collect all upstream parents
+            nodes = list(iter_upstream(output))
+            nodes.append(output)
+
+            # Collect containers for the given set of nodes
+            containers = collect_input_containers(scene_containers, nodes)
+
+            inputs = [c["representation"] for c in containers]
 
-        inputs = [c["representation"] for c in containers]
         instance.data["inputRepresentations"] = inputs
         self.log.debug("Collected inputs: %s" % inputs)
diff --git a/client/ayon_core/hosts/houdini/plugins/publish/increment_current_file.py b/client/ayon_core/hosts/houdini/plugins/publish/increment_current_file.py
index 73145b211a..fe8fa25f10 100644
--- a/client/ayon_core/hosts/houdini/plugins/publish/increment_current_file.py
+++ b/client/ayon_core/hosts/houdini/plugins/publish/increment_current_file.py
@@ -3,7 +3,6 @@ import pyblish.api
 from ayon_core.lib import version_up
 from ayon_core.pipeline import registered_host
 from ayon_core.pipeline.publish import get_errored_plugins_from_context
-from ayon_core.hosts.houdini.api import HoudiniHost
 from ayon_core.pipeline.publish import KnownPublishError
 
 
@@ -39,7 +38,7 @@ class IncrementCurrentFile(pyblish.api.ContextPlugin):
             )
 
         # Filename must not have changed since collecting
-        host = registered_host()  # type: HoudiniHost
+        host = registered_host()
         current_file = host.current_file()
         if context.data["currentFile"] != current_file:
             raise KnownPublishError(
diff --git a/client/ayon_core/hosts/max/api/lib.py b/client/ayon_core/hosts/max/api/lib.py
index 48bb15f538..02b099b3ff 100644
--- a/client/ayon_core/hosts/max/api/lib.py
+++ b/client/ayon_core/hosts/max/api/lib.py
@@ -8,10 +8,15 @@ from typing import Any, Dict, Union
 import six
 import ayon_api
 
-from ayon_core.pipeline import get_current_project_name, colorspace
+from ayon_core.pipeline import (
+    get_current_project_name,
+    get_current_folder_path,
+    get_current_task_name,
+    colorspace
+)
 from ayon_core.settings import get_project_settings
 from ayon_core.pipeline.context_tools import (
-    get_current_folder_entity,
+    get_current_task_entity
 )
 from ayon_core.style import load_stylesheet
 from pymxs import runtime as rt
@@ -221,41 +226,30 @@ def reset_scene_resolution():
     scene resolution can be overwritten by a folder if the folder.attrib
     contains any information regarding scene resolution.
     """
-
-    folder_entity = get_current_folder_entity(
-        fields={"attrib.resolutionWidth", "attrib.resolutionHeight"}
-    )
-    folder_attributes = folder_entity["attrib"]
-    width = int(folder_attributes["resolutionWidth"])
-    height = int(folder_attributes["resolutionHeight"])
+    task_attributes = get_current_task_entity(fields={"attrib"})["attrib"]
+    width = int(task_attributes["resolutionWidth"])
+    height = int(task_attributes["resolutionHeight"])
 
     set_scene_resolution(width, height)
 
 
-def get_frame_range(folder_entiy=None) -> Union[Dict[str, Any], None]:
-    """Get the current folder frame range and handles.
+def get_frame_range(task_entity=None) -> Union[Dict[str, Any], None]:
+    """Get the current task frame range and handles
 
     Args:
-        folder_entiy (dict): Folder eneity.
+        task_entity (dict): Task Entity.
 
     Returns:
         dict: with frame start, frame end, handle start, handle end.
     """
     # Set frame start/end
-    if folder_entiy is None:
-        folder_entiy = get_current_folder_entity()
-
-    folder_attributes = folder_entiy["attrib"]
-    frame_start = folder_attributes.get("frameStart")
-    frame_end = folder_attributes.get("frameEnd")
-
-    if frame_start is None or frame_end is None:
-        return {}
-
-    frame_start = int(frame_start)
-    frame_end = int(frame_end)
-    handle_start = int(folder_attributes.get("handleStart", 0))
-    handle_end = int(folder_attributes.get("handleEnd", 0))
+    if task_entity is None:
+        task_entity = get_current_task_entity(fields={"attrib"})
+    task_attributes = task_entity["attrib"]
+    frame_start = int(task_attributes["frameStart"])
+    frame_end = int(task_attributes["frameEnd"])
+    handle_start = int(task_attributes["handleStart"])
+    handle_end = int(task_attributes["handleEnd"])
     frame_start_handle = frame_start - handle_start
     frame_end_handle = frame_end + handle_end
 
@@ -281,9 +275,9 @@ def reset_frame_range(fps: bool = True):
             scene frame rate in frames-per-second.
     """
     if fps:
-        project_name = get_current_project_name()
-        project_entity = ayon_api.get_project(project_name)
-        fps_number = float(project_entity["attrib"].get("fps"))
+        task_entity = get_current_task_entity()
+        task_attributes = task_entity["attrib"]
+        fps_number = float(task_attributes["fps"])
         rt.frameRate = fps_number
     frame_range = get_frame_range()
 
diff --git a/client/ayon_core/hosts/max/plugins/publish/validate_frame_range.py b/client/ayon_core/hosts/max/plugins/publish/validate_frame_range.py
index 2f4ec5f86c..11b55232d5 100644
--- a/client/ayon_core/hosts/max/plugins/publish/validate_frame_range.py
+++ b/client/ayon_core/hosts/max/plugins/publish/validate_frame_range.py
@@ -42,7 +42,7 @@ class ValidateFrameRange(pyblish.api.InstancePlugin,
             return
 
         frame_range = get_frame_range(
-            instance.data["folderEntity"])
+            instance.data["taskEntity"])
 
         inst_frame_start = instance.data.get("frameStartHandle")
         inst_frame_end = instance.data.get("frameEndHandle")
diff --git a/client/ayon_core/hosts/max/plugins/publish/validate_instance_in_context.py b/client/ayon_core/hosts/max/plugins/publish/validate_instance_in_context.py
index cecfd5fd12..5107665235 100644
--- a/client/ayon_core/hosts/max/plugins/publish/validate_instance_in_context.py
+++ b/client/ayon_core/hosts/max/plugins/publish/validate_instance_in_context.py
@@ -38,7 +38,7 @@ class ValidateInstanceInContext(pyblish.api.InstancePlugin,
             context_label = "{} > {}".format(*context)
             instance_label = "{} > {}".format(folderPath, task)
             message = (
-                "Instance '{}' publishes to different folder or task "
+                "Instance '{}' publishes to different context(folder or task) "
                 "than current context: {}. Current context: {}".format(
                     instance.name, instance_label, context_label
                 )
@@ -46,7 +46,7 @@ class ValidateInstanceInContext(pyblish.api.InstancePlugin,
             raise PublishValidationError(
                 message=message,
                 description=(
-                    "## Publishing to a different context folder or task\n"
+                    "## Publishing to a different context data(folder or task)\n"
                     "There are publish instances present which are publishing "
                     "into a different folder path or task than your current context.\n\n"
                     "Usually this is not what you want but there can be cases "
diff --git a/client/ayon_core/hosts/max/plugins/publish/validate_resolution_setting.py b/client/ayon_core/hosts/max/plugins/publish/validate_resolution_setting.py
index f499f851f1..5f6cd0a21d 100644
--- a/client/ayon_core/hosts/max/plugins/publish/validate_resolution_setting.py
+++ b/client/ayon_core/hosts/max/plugins/publish/validate_resolution_setting.py
@@ -7,7 +7,10 @@ from ayon_core.pipeline.publish import (
     RepairAction,
     PublishValidationError
 )
-from ayon_core.hosts.max.api.lib import reset_scene_resolution
+from ayon_core.hosts.max.api.lib import (
+    reset_scene_resolution,
+    imprint
+)
 
 
 class ValidateResolutionSetting(pyblish.api.InstancePlugin,
@@ -25,8 +28,10 @@ class ValidateResolutionSetting(pyblish.api.InstancePlugin,
         if not self.is_active(instance.data):
             return
         width, height = self.get_folder_resolution(instance)
-        current_width = rt.renderWidth
-        current_height = rt.renderHeight
+        current_width, current_height = (
+            self.get_current_resolution(instance)
+        )
+
         if current_width != width and current_height != height:
             raise PublishValidationError("Resolution Setting "
                                          "not matching resolution "
@@ -41,12 +46,16 @@ class ValidateResolutionSetting(pyblish.api.InstancePlugin,
                                          "not matching resolution set "
                                          "on asset or shot.")
 
-    def get_folder_resolution(self, instance):
-        folder_entity = instance.data["folderEntity"]
-        if folder_entity:
-            folder_attributes = folder_entity["attrib"]
-            width = folder_attributes["resolutionWidth"]
-            height = folder_attributes["resolutionHeight"]
+    def get_current_resolution(self, instance):
+        return rt.renderWidth, rt.renderHeight
+
+    @classmethod
+    def get_folder_resolution(cls, instance):
+        task_entity = instance.data.get("taskEntity")
+        if task_entity:
+            task_attributes = task_entity["attrib"]
+            width = task_attributes["resolutionWidth"]
+            height = task_attributes["resolutionHeight"]
             return int(width), int(height)
 
         # Defaults if not found in folder entity
@@ -55,3 +64,29 @@ class ValidateResolutionSetting(pyblish.api.InstancePlugin,
     @classmethod
     def repair(cls, instance):
         reset_scene_resolution()
+
+
+class ValidateReviewResolutionSetting(ValidateResolutionSetting):
+    families = ["review"]
+    optional = True
+    actions = [RepairAction]
+
+    def get_current_resolution(self, instance):
+        current_width = instance.data["review_width"]
+        current_height = instance.data["review_height"]
+        return current_width, current_height
+
+    @classmethod
+    def repair(cls, instance):
+        context_width, context_height = (
+            cls.get_folder_resolution(instance)
+        )
+        creator_attrs = instance.data["creator_attributes"]
+        creator_attrs["review_width"] = context_width
+        creator_attrs["review_height"] = context_height
+        creator_attrs_data = {
+            "creator_attributes": creator_attrs
+        }
+        # update the width and height of review
+        # data in creator_attributes
+        imprint(instance.data["instance_node"], creator_attrs_data)
diff --git a/client/ayon_core/hosts/maya/api/fbx.py b/client/ayon_core/hosts/maya/api/fbx.py
index 97e95d2ec4..939da4011b 100644
--- a/client/ayon_core/hosts/maya/api/fbx.py
+++ b/client/ayon_core/hosts/maya/api/fbx.py
@@ -2,8 +2,6 @@
 """Tools to work with FBX."""
 import logging
 
-from pyblish.api import Instance
-
 from maya import cmds  # noqa
 import maya.mel as mel  # noqa
 from ayon_core.hosts.maya.api.lib import maintained_selection
@@ -146,7 +144,6 @@ class FBXExtractor:
         return options
 
     def set_options_from_instance(self, instance):
-        # type: (Instance) -> None
         """Sets FBX export options from data in the instance.
 
         Args:
diff --git a/client/ayon_core/hosts/maya/api/lib.py b/client/ayon_core/hosts/maya/api/lib.py
index ff5bee03ca..321bcbc0b5 100644
--- a/client/ayon_core/hosts/maya/api/lib.py
+++ b/client/ayon_core/hosts/maya/api/lib.py
@@ -1917,6 +1917,29 @@ def apply_attributes(attributes, nodes_by_id):
                 set_attribute(attr, value, node)
 
 
+def is_valid_reference_node(reference_node):
+    """Return whether Maya considers the reference node a valid reference.
+
+    Maya might report an error when using `maya.cmds.referenceQuery`:
+    Reference node 'reference_node' is not associated with a reference file.
+
+    Note that this does *not* check whether the reference node points to an
+    existing file. Instead it only returns whether maya considers it valid
+    and thus is not an unassociated reference node
+
+    Arguments:
+         reference_node (str): Reference node name
+
+    Returns:
+        bool: Whether reference node is a valid reference
+
+    """
+    sel = OpenMaya.MSelectionList()
+    sel.add(reference_node)
+    depend_node = sel.getDependNode(0)
+    return OpenMaya.MFnReference(depend_node).isValidReference()
+
+
 def get_container_members(container):
     """Returns the members of a container.
     This includes the nodes from any loaded references in the container.
@@ -1942,7 +1965,16 @@ def get_container_members(container):
         if ref.rsplit(":", 1)[-1].startswith("_UNKNOWN_REF_NODE_"):
             continue
 
-        reference_members = cmds.referenceQuery(ref, nodes=True, dagPath=True)
+        try:
+            reference_members = cmds.referenceQuery(ref,
+                                                    nodes=True,
+                                                    dagPath=True)
+        except RuntimeError:
+            # Ignore reference nodes that are not associated with a
+            # referenced file on which `referenceQuery` command fails
+            if not is_valid_reference_node(ref):
+                continue
+            raise
         reference_members = cmds.ls(reference_members,
                                     long=True,
                                     objectsOnly=True)
@@ -4238,6 +4270,9 @@ def get_reference_node(members, log=None):
         if ref.rsplit(":", 1)[-1].startswith("_UNKNOWN_REF_NODE_"):
             continue
 
+        if not is_valid_reference_node(ref):
+            continue
+
         references.add(ref)
 
     assert references, "No reference node found in container"
@@ -4268,15 +4303,19 @@ def get_reference_node_parents(ref):
         list: The upstream parent reference nodes.
 
     """
-    parent = cmds.referenceQuery(ref,
-                                 referenceNode=True,
-                                 parent=True)
+    def _get_parent(reference_node):
+        """Return parent reference node, but ignore invalid reference nodes"""
+        if not is_valid_reference_node(reference_node):
+            return
+        return cmds.referenceQuery(reference_node,
+                                   referenceNode=True,
+                                   parent=True)
+
+    parent = _get_parent(ref)
     parents = []
     while parent:
         parents.append(parent)
-        parent = cmds.referenceQuery(parent,
-                                     referenceNode=True,
-                                     parent=True)
+        parent = _get_parent(parent)
     return parents
 
 
diff --git a/client/ayon_core/hosts/maya/plugins/inventory/connect_geometry.py b/client/ayon_core/hosts/maya/plugins/inventory/connect_geometry.py
index 839a4dad90..5410546a2e 100644
--- a/client/ayon_core/hosts/maya/plugins/inventory/connect_geometry.py
+++ b/client/ayon_core/hosts/maya/plugins/inventory/connect_geometry.py
@@ -37,7 +37,7 @@ class ConnectGeometry(InventoryAction):
             repre_id = container["representation"]
             repre_context = repre_contexts_by_id[repre_id]
 
-            product_type = repre_context["prouct"]["productType"]
+            product_type = repre_context["product"]["productType"]
 
             containers_by_product_type.setdefault(product_type, [])
             containers_by_product_type[product_type].append(container)
diff --git a/client/ayon_core/hosts/maya/plugins/inventory/connect_xgen.py b/client/ayon_core/hosts/maya/plugins/inventory/connect_xgen.py
index bf9e679928..166c419072 100644
--- a/client/ayon_core/hosts/maya/plugins/inventory/connect_xgen.py
+++ b/client/ayon_core/hosts/maya/plugins/inventory/connect_xgen.py
@@ -36,7 +36,7 @@ class ConnectXgen(InventoryAction):
             repre_id = container["representation"]
             repre_context = repre_contexts_by_id[repre_id]
 
-            product_type = repre_context["prouct"]["productType"]
+            product_type = repre_context["product"]["productType"]
 
             containers_by_product_type.setdefault(product_type, [])
             containers_by_product_type[product_type].append(container)
diff --git a/client/ayon_core/hosts/maya/plugins/inventory/connect_yeti_rig.py b/client/ayon_core/hosts/maya/plugins/inventory/connect_yeti_rig.py
index 5916bf7b97..8f13cc6ae5 100644
--- a/client/ayon_core/hosts/maya/plugins/inventory/connect_yeti_rig.py
+++ b/client/ayon_core/hosts/maya/plugins/inventory/connect_yeti_rig.py
@@ -39,7 +39,7 @@ class ConnectYetiRig(InventoryAction):
             repre_id = container["representation"]
             repre_context = repre_contexts_by_id[repre_id]
 
-            product_type = repre_context["prouct"]["productType"]
+            product_type = repre_context["product"]["productType"]
 
             containers_by_product_type.setdefault(product_type, [])
             containers_by_product_type[product_type].append(container)
diff --git a/client/ayon_core/hosts/maya/plugins/publish/collect_file_dependencies.py b/client/ayon_core/hosts/maya/plugins/publish/collect_file_dependencies.py
index 93b46c511b..60853bd1ee 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/collect_file_dependencies.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/collect_file_dependencies.py
@@ -12,7 +12,7 @@ class CollectFileDependencies(pyblish.api.ContextPlugin):
     families = ["renderlayer"]
 
     @classmethod
-    def apply_settings(cls, project_settings, system_settings):
+    def apply_settings(cls, project_settings):
         # Disable plug-in if not used for deadline submission anyway
         settings = project_settings["deadline"]["publish"]["MayaSubmitDeadline"]  # noqa
         cls.enabled = settings.get("asset_dependencies", True)
diff --git a/client/ayon_core/hosts/maya/plugins/publish/extract_camera_mayaScene.py b/client/ayon_core/hosts/maya/plugins/publish/extract_camera_mayaScene.py
index c4af2914cd..cb3951ec0c 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/extract_camera_mayaScene.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/extract_camera_mayaScene.py
@@ -299,4 +299,10 @@ def transfer_image_planes(source_cameras, target_cameras,
 
 def _attach_image_plane(camera, image_plane):
     cmds.imagePlane(image_plane, edit=True, detach=True)
+
+    # Attaching to a camera resets it to identity size, so we counter that
+    size_x = cmds.getAttr(f"{image_plane}.sizeX")
+    size_y = cmds.getAttr(f"{image_plane}.sizeY")
     cmds.imagePlane(image_plane, edit=True, camera=camera)
+    cmds.setAttr(f"{image_plane}.sizeX", size_x)
+    cmds.setAttr(f"{image_plane}.sizeY", size_y)
diff --git a/client/ayon_core/hosts/maya/plugins/publish/validate_look_default_shaders_connections.py b/client/ayon_core/hosts/maya/plugins/publish/validate_look_default_shaders_connections.py
index d8a9222c36..cfd4156124 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/validate_look_default_shaders_connections.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/validate_look_default_shaders_connections.py
@@ -2,7 +2,6 @@ from maya import cmds
 
 import pyblish.api
 from ayon_core.pipeline.publish import (
-    ValidateContentsOrder,
     RepairContextAction,
     PublishValidationError
 )
diff --git a/client/ayon_core/hosts/maya/plugins/publish/validate_mesh_ngons.py b/client/ayon_core/hosts/maya/plugins/publish/validate_mesh_ngons.py
index d1d7e49fa4..58d015e962 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/validate_mesh_ngons.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/validate_mesh_ngons.py
@@ -45,6 +45,11 @@ class ValidateMeshNgons(pyblish.api.InstancePlugin,
         # Get all faces
         faces = ['{0}.f[*]'.format(node) for node in meshes]
 
+        # Skip meshes that for some reason have no faces, e.g. empty meshes
+        faces = cmds.ls(faces)
+        if not faces:
+            return []
+
         # Filter to n-sided polygon faces (ngons)
         invalid = lib.polyConstraint(faces,
                                      t=0x0008,  # type=face
diff --git a/client/ayon_core/hosts/maya/plugins/publish/validate_mesh_uv_set_map1.py b/client/ayon_core/hosts/maya/plugins/publish/validate_mesh_uv_set_map1.py
index a139b65169..305a58d78e 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/validate_mesh_uv_set_map1.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/validate_mesh_uv_set_map1.py
@@ -1,3 +1,5 @@
+import inspect
+
 from maya import cmds
 
 import pyblish.api
@@ -29,8 +31,8 @@ class ValidateMeshUVSetMap1(pyblish.api.InstancePlugin,
     actions = [ayon_core.hosts.maya.api.action.SelectInvalidAction,
                RepairAction]
 
-    @staticmethod
-    def get_invalid(instance):
+    @classmethod
+    def get_invalid(cls, instance):
 
         meshes = cmds.ls(instance, type='mesh', long=True)
 
@@ -40,6 +42,11 @@ class ValidateMeshUVSetMap1(pyblish.api.InstancePlugin,
             # Get existing mapping of uv sets by index
             indices = cmds.polyUVSet(mesh, query=True, allUVSetsIndices=True)
             maps = cmds.polyUVSet(mesh, query=True, allUVSets=True)
+            if not indices or not maps:
+                cls.log.warning("Mesh has no UV set: %s", mesh)
+                invalid.append(mesh)
+                continue
+
             mapping = dict(zip(indices, maps))
 
             # Get the uv set at index zero.
@@ -56,8 +63,14 @@ class ValidateMeshUVSetMap1(pyblish.api.InstancePlugin,
 
         invalid = self.get_invalid(instance)
         if invalid:
+
+            invalid_list = "\n".join(f"- {node}" for node in invalid)
+
             raise PublishValidationError(
-                "Meshes found without 'map1' UV set: {0}".format(invalid))
+                "Meshes found without 'map1' UV set:\n"
+                "{0}".format(invalid_list),
+                description=self.get_description()
+            )
 
     @classmethod
     def repair(cls, instance):
@@ -68,6 +81,12 @@ class ValidateMeshUVSetMap1(pyblish.api.InstancePlugin,
             # Get existing mapping of uv sets by index
             indices = cmds.polyUVSet(mesh, query=True, allUVSetsIndices=True)
             maps = cmds.polyUVSet(mesh, query=True, allUVSets=True)
+            if not indices or not maps:
+                # No UV set exist at all, create a `map1` uv set
+                # This may fail silently if the mesh has no geometry at all
+                cmds.polyUVSet(mesh, create=True, uvSet="map1")
+                continue
+
             mapping = dict(zip(indices, maps))
 
             # Ensure there is no uv set named map1 to avoid
@@ -97,3 +116,23 @@ class ValidateMeshUVSetMap1(pyblish.api.InstancePlugin,
                            rename=True,
                            uvSet=original,
                            newUVSet="map1")
+
+    @staticmethod
+    def get_description():
+        return inspect.cleandoc("""### Mesh found without map1 uv set
+        
+        A mesh must have a default UV set named `map1` to adhere to the default
+        mesh behavior of Maya meshes.
+        
+        There may be meshes that:
+        - Have no UV set
+        - Have no `map1` uv set but are using a different name
+        - Have a `map1` uv set, but it's not the default (first index)
+
+
+        #### Repair
+        
+        Using repair will try to make the first UV set the `map1` uv set. If it
+        does not exist yet it will be created or renames the current first
+        UV set to `map1`.
+        """)
diff --git a/client/ayon_core/hosts/maya/plugins/publish/validate_node_ids_related.py b/client/ayon_core/hosts/maya/plugins/publish/validate_node_ids_related.py
index 992988dc7d..17eb58f421 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/validate_node_ids_related.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/validate_node_ids_related.py
@@ -1,17 +1,27 @@
+import inspect
+import uuid
+from collections import defaultdict
 import pyblish.api
 
 import ayon_core.hosts.maya.api.action
 from ayon_core.hosts.maya.api import lib
 from ayon_core.pipeline.publish import (
     OptionalPyblishPluginMixin, PublishValidationError, ValidatePipelineOrder)
+from ayon_api import get_folders
+
+
+def is_valid_uuid(value) -> bool:
+    """Return whether value is a valid UUID"""
+    try:
+        uuid.UUID(value)
+    except ValueError:
+        return False
+    return True
 
 
 class ValidateNodeIDsRelated(pyblish.api.InstancePlugin,
                              OptionalPyblishPluginMixin):
-    """Validate nodes have a related Colorbleed Id to the
-    instance.data[folderPath]
-
-    """
+    """Validate nodes have a related `cbId` to the instance.data[folderPath]"""
 
     order = ValidatePipelineOrder
     label = 'Node Ids Related (ID)'
@@ -39,21 +49,24 @@ class ValidateNodeIDsRelated(pyblish.api.InstancePlugin,
         # Ensure all nodes have a cbId
         invalid = self.get_invalid(instance)
         if invalid:
+
+            invalid_list = "\n".join(f"- {node}" for node in sorted(invalid))
+
             raise PublishValidationError((
-                "Nodes IDs found that are not related to folder '{}' : {}"
-            ).format(
-                instance.data["folderPath"], invalid
-            ))
+                "Nodes IDs found that are not related to folder '{}':\n{}"
+                ).format(instance.data["folderPath"], invalid_list),
+                description=self.get_description()
+            )
 
     @classmethod
     def get_invalid(cls, instance):
         """Return the member nodes that are invalid"""
-        invalid = list()
-
         folder_id = instance.data["folderEntity"]["id"]
 
-        # We do want to check the referenced nodes as we it might be
+        # We do want to check the referenced nodes as it might be
         # part of the end product
+        invalid = list()
+        nodes_by_other_folder_ids = defaultdict(set)
         for node in instance:
             _id = lib.get_id(node)
             if not _id:
@@ -62,5 +75,48 @@ class ValidateNodeIDsRelated(pyblish.api.InstancePlugin,
             node_folder_id = _id.split(":", 1)[0]
             if node_folder_id != folder_id:
                 invalid.append(node)
+                nodes_by_other_folder_ids[node_folder_id].add(node)
+
+        # Log what other assets were found.
+        if nodes_by_other_folder_ids:
+            project_name = instance.context.data["projectName"]
+            other_folder_ids = set(nodes_by_other_folder_ids.keys())
+
+            # Remove folder ids that are not valid UUID identifiers, these
+            # may be legacy OpenPype ids
+            other_folder_ids = {folder_id for folder_id in other_folder_ids
+                                if is_valid_uuid(folder_id)}
+            if not other_folder_ids:
+                return invalid
+
+            folder_entities = get_folders(project_name=project_name,
+                                          folder_ids=other_folder_ids,
+                                          fields=["path"])
+            if folder_entities:
+                # Log names of other assets detected
+                # We disregard logging nodes/ids for asset ids where no asset
+                # was found in the database because ValidateNodeIdsInDatabase
+                # takes care of that.
+                folder_paths = {entity["path"] for entity in folder_entities}
+                cls.log.error(
+                    "Found nodes related to other folders:\n{}".format(
+                        "\n".join(f"- {path}" for path in sorted(folder_paths))
+                    )
+                )
 
         return invalid
+
+    @staticmethod
+    def get_description():
+        return inspect.cleandoc("""### Node IDs must match folder id
+        
+        The node ids must match the folder entity id you are publishing to.
+        
+        Usually these mismatch occurs if you are re-using nodes from another 
+        folder or project. 
+        
+        #### How to repair?
+        
+        The repair action will regenerate new ids for 
+        the invalid nodes to match the instance's folder.
+        """)
diff --git a/client/ayon_core/hosts/maya/plugins/publish/validate_scene_set_workspace.py b/client/ayon_core/hosts/maya/plugins/publish/validate_scene_set_workspace.py
index 6e68cf5d14..c7d5de2050 100644
--- a/client/ayon_core/hosts/maya/plugins/publish/validate_scene_set_workspace.py
+++ b/client/ayon_core/hosts/maya/plugins/publish/validate_scene_set_workspace.py
@@ -46,6 +46,6 @@ class ValidateSceneSetWorkspace(pyblish.api.ContextPlugin):
             raise PublishValidationError(
                 "Maya workspace is not set correctly.\n\n"
                 f"Current workfile `{scene_name}` is not inside the "
-                "current Maya project root directory `{root_dir}`.\n\n"
+                f"current Maya project root directory `{root_dir}`.\n\n"
                 "Please use Workfile app to re-save."
             )
diff --git a/client/ayon_core/hosts/nuke/api/plugin.py b/client/ayon_core/hosts/nuke/api/plugin.py
index 6aa098c558..5b97fab0c2 100644
--- a/client/ayon_core/hosts/nuke/api/plugin.py
+++ b/client/ayon_core/hosts/nuke/api/plugin.py
@@ -5,7 +5,7 @@ import sys
 import six
 import random
 import string
-from collections import OrderedDict, defaultdict
+from collections import defaultdict
 
 from ayon_core.settings import get_current_project_settings
 from ayon_core.lib import (
diff --git a/client/ayon_core/hosts/substancepainter/plugins/create/create_textures.py b/client/ayon_core/hosts/substancepainter/plugins/create/create_textures.py
index f204ff7728..f46afadb5a 100644
--- a/client/ayon_core/hosts/substancepainter/plugins/create/create_textures.py
+++ b/client/ayon_core/hosts/substancepainter/plugins/create/create_textures.py
@@ -144,7 +144,8 @@ class CreateTextures(Creator):
                         9: "512",
                         10: "1024",
                         11: "2048",
-                        12: "4096"
+                        12: "4096",
+                        13: "8192"
                     },
                     default=None,
                     label="Size"),
diff --git a/client/ayon_core/hosts/traypublisher/plugins/create/create_editorial.py b/client/ayon_core/hosts/traypublisher/plugins/create/create_editorial.py
index 843729786c..4057aee9a6 100644
--- a/client/ayon_core/hosts/traypublisher/plugins/create/create_editorial.py
+++ b/client/ayon_core/hosts/traypublisher/plugins/create/create_editorial.py
@@ -402,7 +402,7 @@ or updating already created. Publishing will create OTIO file.
                     ):
                         continue
 
-                    instance = self._make_product_instance(
+                    self._make_product_instance(
                         otio_clip,
                         product_type_preset,
                         deepcopy(base_instance_data),
diff --git a/client/ayon_core/hosts/tvpaint/plugins/load/load_workfile.py b/client/ayon_core/hosts/tvpaint/plugins/load/load_workfile.py
index 407671e14d..07c2d91533 100644
--- a/client/ayon_core/hosts/tvpaint/plugins/load/load_workfile.py
+++ b/client/ayon_core/hosts/tvpaint/plugins/load/load_workfile.py
@@ -1,6 +1,5 @@
 import os
 
-from ayon_core.lib import StringTemplate
 from ayon_core.pipeline import (
     registered_host,
     get_current_context,
@@ -111,8 +110,6 @@ class LoadWorkfile(plugin.Loader):
 
         data["version"] = version
 
-        filename = StringTemplate.format_strict_template(
-            file_template, data
-        )
+        filename = work_template["file"].format_strict(data)
         path = os.path.join(work_root, filename)
         host.save_workfile(path)
diff --git a/client/ayon_core/hosts/unreal/api/__init__.py b/client/ayon_core/hosts/unreal/api/__init__.py
index ac6a91eae9..7e7f839f27 100644
--- a/client/ayon_core/hosts/unreal/api/__init__.py
+++ b/client/ayon_core/hosts/unreal/api/__init__.py
@@ -28,9 +28,11 @@ from .pipeline import (
 )
 
 __all__ = [
+    "UnrealActorCreator",
+    "UnrealAssetCreator",
+    "Loader",
     "install",
     "uninstall",
-    "Loader",
     "ls",
     "publish",
     "containerise",
diff --git a/client/ayon_core/lib/plugin_tools.py b/client/ayon_core/lib/plugin_tools.py
index 5ad4da88b9..654bc7ac4a 100644
--- a/client/ayon_core/lib/plugin_tools.py
+++ b/client/ayon_core/lib/plugin_tools.py
@@ -94,8 +94,12 @@ def prepare_template_data(fill_pairs):
     output = {}
     for item in valid_items:
         keys, value = item
-        upper_value = value.upper()
-        capitalized_value = _capitalize_value(value)
+        # Convert only string values
+        if isinstance(value, str):
+            upper_value = value.upper()
+            capitalized_value = _capitalize_value(value)
+        else:
+            upper_value = capitalized_value = value
 
         first_key = keys.pop(0)
         if not keys:
diff --git a/client/ayon_core/modules/deadline/plugins/publish/submit_fusion_deadline.py b/client/ayon_core/modules/deadline/plugins/publish/submit_fusion_deadline.py
index bfb65708e6..e3a4cd8030 100644
--- a/client/ayon_core/modules/deadline/plugins/publish/submit_fusion_deadline.py
+++ b/client/ayon_core/modules/deadline/plugins/publish/submit_fusion_deadline.py
@@ -103,17 +103,17 @@ class FusionSubmitDeadline(
 
         # Collect all saver instances in context that are to be rendered
         saver_instances = []
-        for instance in context:
-            if instance.data["productType"] != "render":
+        for inst in context:
+            if inst.data["productType"] != "render":
                 # Allow only saver family instances
                 continue
 
-            if not instance.data.get("publish", True):
+            if not inst.data.get("publish", True):
                 # Skip inactive instances
                 continue
 
-            self.log.debug(instance.data["name"])
-            saver_instances.append(instance)
+            self.log.debug(inst.data["name"])
+            saver_instances.append(inst)
 
         if not saver_instances:
             raise RuntimeError("No instances found for Deadline submission")
diff --git a/client/ayon_core/modules/loader_action.py b/client/ayon_core/modules/loader_action.py
index a0cc417b66..1e45db05dc 100644
--- a/client/ayon_core/modules/loader_action.py
+++ b/client/ayon_core/modules/loader_action.py
@@ -13,7 +13,7 @@ class LoaderAddon(AYONAddon, ITrayAddon):
         # Add library tool
         self._loader_imported = False
         try:
-            from ayon_core.tools.loader.ui import LoaderWindow
+            from ayon_core.tools.loader.ui import LoaderWindow  # noqa F401
 
             self._loader_imported = True
         except Exception:
diff --git a/client/ayon_core/modules/royalrender/api.py b/client/ayon_core/modules/royalrender/api.py
index cd72014a42..a69f88c43c 100644
--- a/client/ayon_core/modules/royalrender/api.py
+++ b/client/ayon_core/modules/royalrender/api.py
@@ -1,13 +1,14 @@
 # -*- coding: utf-8 -*-
 """Wrapper around Royal Render API."""
-import sys
 import os
+import sys
 
-from ayon_core.lib.local_settings import AYONSettingsRegistry
-from ayon_core.lib import Logger, run_subprocess
-from .rr_job import RRJob, SubmitFile, SubmitterParameter
+from ayon_core.lib import Logger, run_subprocess, AYONSettingsRegistry
 from ayon_core.lib.vendor_bin_utils import find_tool_in_custom_paths
 
+from .rr_job import SubmitFile
+from .rr_job import RRjob, SubmitterParameter # noqa F401
+
 
 class Api:
 
diff --git a/client/ayon_core/modules/royalrender/plugins/publish/create_publish_royalrender_job.py b/client/ayon_core/modules/royalrender/plugins/publish/create_publish_royalrender_job.py
index f3287b7638..51500f84f5 100644
--- a/client/ayon_core/modules/royalrender/plugins/publish/create_publish_royalrender_job.py
+++ b/client/ayon_core/modules/royalrender/plugins/publish/create_publish_royalrender_job.py
@@ -3,7 +3,6 @@
 import os
 import attr
 import json
-import re
 
 import pyblish.api
 
diff --git a/client/ayon_core/pipeline/anatomy/anatomy.py b/client/ayon_core/pipeline/anatomy/anatomy.py
index 73dd215233..2aa8eeddbc 100644
--- a/client/ayon_core/pipeline/anatomy/anatomy.py
+++ b/client/ayon_core/pipeline/anatomy/anatomy.py
@@ -549,7 +549,7 @@ class Anatomy(BaseAnatomy):
                 )
             else:
                 # Ask sync server to get roots overrides
-                roots_overrides = sitesync.get_site_root_overrides(
+                roots_overrides = sitesync_addon.get_site_root_overrides(
                     project_name, site_name
                 )
             site_cache.update_data(roots_overrides)
diff --git a/client/ayon_core/pipeline/anatomy/templates.py b/client/ayon_core/pipeline/anatomy/templates.py
index 46cad385f0..d89b70719e 100644
--- a/client/ayon_core/pipeline/anatomy/templates.py
+++ b/client/ayon_core/pipeline/anatomy/templates.py
@@ -14,7 +14,6 @@ from .exceptions import (
     TemplateMissingKey,
     AnatomyTemplateUnsolved,
 )
-from .roots import RootItem
 
 _PLACEHOLDER = object()
 
diff --git a/client/ayon_core/pipeline/context_tools.py b/client/ayon_core/pipeline/context_tools.py
index e9151bcd1f..33567d7280 100644
--- a/client/ayon_core/pipeline/context_tools.py
+++ b/client/ayon_core/pipeline/context_tools.py
@@ -1,7 +1,6 @@
 """Core pipeline functionality"""
 
 import os
-import types
 import logging
 import platform
 import uuid
@@ -21,7 +20,6 @@ from .anatomy import Anatomy
 from .template_data import get_template_data_with_names
 from .workfile import (
     get_workdir,
-    get_workfile_template_key,
     get_custom_workfile_template_by_string_context,
 )
 from . import (
diff --git a/client/ayon_core/pipeline/create/context.py b/client/ayon_core/pipeline/create/context.py
index ca9896fb3f..b8618738fb 100644
--- a/client/ayon_core/pipeline/create/context.py
+++ b/client/ayon_core/pipeline/create/context.py
@@ -1790,10 +1790,10 @@ class CreateContext:
 
             creator_identifier = creator_class.identifier
             if creator_identifier in creators:
-                self.log.warning((
-                    "Duplicated Creator identifier. "
-                    "Using first and skipping following"
-                ))
+                self.log.warning(
+                    "Duplicate Creator identifier: '%s'. Using first Creator "
+                    "and skipping: %s", creator_identifier, creator_class
+                )
                 continue
 
             # Filter by host name
diff --git a/client/ayon_core/pipeline/farm/pyblish_functions.py b/client/ayon_core/pipeline/farm/pyblish_functions.py
index dadf2cbe1a..eb6f8569d9 100644
--- a/client/ayon_core/pipeline/farm/pyblish_functions.py
+++ b/client/ayon_core/pipeline/farm/pyblish_functions.py
@@ -6,13 +6,11 @@ from copy import deepcopy
 
 import attr
 import ayon_api
-import pyblish.api
 import clique
 
 from ayon_core.pipeline import (
     get_current_project_name,
     get_representation_path,
-    Anatomy,
 )
 from ayon_core.lib import Logger
 from ayon_core.pipeline.publish import KnownPublishError
@@ -137,7 +135,7 @@ def get_transferable_representations(instance):
         list of dicts: List of transferable representations.
 
     """
-    anatomy = instance.context.data["anatomy"]  # type: Anatomy
+    anatomy = instance.context.data["anatomy"]
     to_transfer = []
 
     for representation in instance.data.get("representations", []):
@@ -166,7 +164,6 @@ def get_transferable_representations(instance):
 
 def create_skeleton_instance(
         instance, families_transfer=None, instance_transfer=None):
-    # type: (pyblish.api.Instance, list, dict) -> dict
     """Create skeleton instance from original instance data.
 
     This will create dictionary containing skeleton
@@ -191,7 +188,7 @@ def create_skeleton_instance(
 
     context = instance.context
     data = instance.data.copy()
-    anatomy = instance.context.data["anatomy"]  # type: Anatomy
+    anatomy = instance.context.data["anatomy"]
 
     # get time related data from instance (or context)
     time_data = get_time_data_from_instance_or_context(instance)
@@ -620,15 +617,32 @@ def _create_instances_for_aov(instance, skeleton, aov_filter, additional_data,
         aov_patterns = aov_filter
 
         preview = match_aov_pattern(app, aov_patterns, render_file_name)
-        # toggle preview on if multipart is on
-        if instance.data.get("multipartExr"):
-            log.debug("Adding preview tag because its multipartExr")
-            preview = True
 
         new_instance = deepcopy(skeleton)
         new_instance["productName"] = product_name
         new_instance["productGroup"] = group_name
 
+        # toggle preview on if multipart is on
+        # Because we cant query the multipartExr data member of each AOV we'll
+        # need to have hardcoded rule of excluding any renders with
+        # "cryptomatte" in the file name from being a multipart EXR. This issue
+        # happens with Redshift that forces Cryptomatte renders to be separate
+        # files even when the rest of the AOVs are merged into a single EXR.
+        # There might be an edge case where the main instance has cryptomatte
+        # in the name even though it's a multipart EXR.
+        if instance.data.get("renderer") == "redshift":
+            if (
+                instance.data.get("multipartExr") and
+                "cryptomatte" not in render_file_name.lower()
+            ):
+                log.debug("Adding preview tag because it's multipartExr")
+                preview = True
+            else:
+                new_instance["multipartExr"] = False
+        elif instance.data.get("multipartExr"):
+            log.debug("Adding preview tag because its multipartExr")
+            preview = True
+
         # explicitly disable review by user
         preview = preview and not do_not_add_review
         if preview:
@@ -751,7 +765,6 @@ def get_resources(project_name, version_entity, extension=None):
 
 
 def create_skeleton_instance_cache(instance):
-    # type: (pyblish.api.Instance, list, dict) -> dict
     """Create skeleton instance from original instance data.
 
     This will create dictionary containing skeleton
@@ -771,7 +784,7 @@ def create_skeleton_instance_cache(instance):
 
     context = instance.context
     data = instance.data.copy()
-    anatomy = instance.context.data["anatomy"]  # type: Anatomy
+    anatomy = instance.context.data["anatomy"]
 
     # get time related data from instance (or context)
     time_data = get_time_data_from_instance_or_context(instance)
@@ -1005,7 +1018,7 @@ def copy_extend_frames(instance, representation):
     start = instance.data.get("frameStart")
     end = instance.data.get("frameEnd")
     project_name = instance.context.data["project"]
-    anatomy = instance.context.data["anatomy"]  # type: Anatomy
+    anatomy = instance.context.data["anatomy"]
 
     folder_entity = ayon_api.get_folder_by_path(
         project_name, instance.data.get("folderPath")
diff --git a/client/ayon_core/pipeline/publish/abstract_collect_render.py b/client/ayon_core/pipeline/publish/abstract_collect_render.py
index 745632ca0a..c50dc16380 100644
--- a/client/ayon_core/pipeline/publish/abstract_collect_render.py
+++ b/client/ayon_core/pipeline/publish/abstract_collect_render.py
@@ -81,6 +81,9 @@ class RenderInstance(object):
     outputDir = attr.ib(default=None)
     context = attr.ib(default=None)
 
+    # The source instance the data of this render instance should merge into
+    source_instance = attr.ib(default=None, type=pyblish.api.Instance)
+
     @frameStart.validator
     def check_frame_start(self, _, value):
         """Validate if frame start is not larger then end."""
@@ -214,8 +217,11 @@ class AbstractCollectRender(pyblish.api.ContextPlugin):
             data = self.add_additional_data(data)
             render_instance_dict = attr.asdict(render_instance)
 
-            instance = context.create_instance(render_instance.name)
-            instance.data["label"] = render_instance.label
+            # Merge into source instance if provided, otherwise create instance
+            instance = render_instance_dict.pop("source_instance", None)
+            if instance is None:
+                instance = context.create_instance(render_instance.name)
+
             instance.data.update(render_instance_dict)
             instance.data.update(data)
 
diff --git a/client/ayon_core/pipeline/schema/__init__.py b/client/ayon_core/pipeline/schema/__init__.py
index 67cf120b59..db98a6d080 100644
--- a/client/ayon_core/pipeline/schema/__init__.py
+++ b/client/ayon_core/pipeline/schema/__init__.py
@@ -13,7 +13,6 @@ Resources:
 """
 
 import os
-import re
 import json
 import logging
 
diff --git a/client/ayon_core/pipeline/workfile/workfile_template_builder.py b/client/ayon_core/pipeline/workfile/workfile_template_builder.py
index 5e63ba444a..8082adc65d 100644
--- a/client/ayon_core/pipeline/workfile/workfile_template_builder.py
+++ b/client/ayon_core/pipeline/workfile/workfile_template_builder.py
@@ -329,7 +329,7 @@ class AbstractTemplateBuilder(object):
         is good practice to check if the same value is not already stored under
         different key or if the key is not already used for something else.
 
-        Key should be self explanatory to content.
+        Key should be self-explanatory to content.
         - wrong: 'folder'
         - good: 'folder_name'
 
@@ -375,7 +375,7 @@ class AbstractTemplateBuilder(object):
         is good practice to check if the same value is not already stored under
         different key or if the key is not already used for something else.
 
-        Key should be self explanatory to content.
+        Key should be self-explanatory to content.
         - wrong: 'folder'
         - good: 'folder_path'
 
@@ -395,7 +395,7 @@ class AbstractTemplateBuilder(object):
         is good practice to check if the same value is not already stored under
         different key or if the key is not already used for something else.
 
-        Key should be self explanatory to content.
+        Key should be self-explanatory to content.
         - wrong: 'folder'
         - good: 'folder_path'
 
@@ -466,7 +466,7 @@ class AbstractTemplateBuilder(object):
 
         return list(sorted(
             placeholders,
-            key=lambda i: i.order
+            key=lambda placeholder: placeholder.order
         ))
 
     def build_template(
@@ -685,7 +685,7 @@ class AbstractTemplateBuilder(object):
             for placeholder in placeholders
         }
         all_processed = len(placeholders) == 0
-        # Counter is checked at the ned of a loop so the loop happens at least
+        # Counter is checked at the end of a loop so the loop happens at least
         #   once.
         iter_counter = 0
         while not all_processed:
@@ -1045,7 +1045,7 @@ class PlaceholderPlugin(object):
 
         Using shared data from builder but stored under plugin identifier.
 
-        Key should be self explanatory to content.
+        Key should be self-explanatory to content.
         - wrong: 'folder'
         - good: 'folder_path'
 
@@ -1085,7 +1085,7 @@ class PlaceholderPlugin(object):
 
         Using shared data from builder but stored under plugin identifier.
 
-        Key should be self explanatory to content.
+        Key should be self-explanatory to content.
         - wrong: 'folder'
         - good: 'folder_path'
 
@@ -1107,10 +1107,10 @@ class PlaceholderItem(object):
     """Item representing single item in scene that is a placeholder to process.
 
     Items are always created and updated by their plugins. Each plugin can use
-    modified class of 'PlacehoderItem' but only to add more options instead of
+    modified class of 'PlaceholderItem' but only to add more options instead of
     new other.
 
-    Scene identifier is used to avoid processing of the palceholder item
+    Scene identifier is used to avoid processing of the placeholder item
     multiple times so must be unique across whole workfile builder.
 
     Args:
@@ -1162,7 +1162,7 @@ class PlaceholderItem(object):
         """Placeholder data which can modify how placeholder is processed.
 
         Possible general keys
-        - order: Can define the order in which is palceholder processed.
+        - order: Can define the order in which is placeholder processed.
                     Lower == earlier.
 
         Other keys are defined by placeholder and should validate them on item
@@ -1264,11 +1264,9 @@ class PlaceholderLoadMixin(object):
         """Unified attribute definitions for load placeholder.
 
         Common function for placeholder plugins used for loading of
-        repsentations. Use it in 'get_placeholder_options'.
+        representations. Use it in 'get_placeholder_options'.
 
         Args:
-            plugin (PlaceholderPlugin): Plugin used for loading of
-                representations.
             options (Dict[str, Any]): Already available options which are used
                 as defaults for attributes.
 
@@ -1468,7 +1466,9 @@ class PlaceholderLoadMixin(object):
         product_name_regex = None
         if product_name_regex_value:
             product_name_regex = re.compile(product_name_regex_value)
-        product_type = placeholder.data["family"]
+        product_type = placeholder.data.get("product_type")
+        if product_type is None:
+            product_type = placeholder.data["family"]
 
         builder_type = placeholder.data["builder_type"]
         folder_ids = []
@@ -1529,35 +1529,22 @@ class PlaceholderLoadMixin(object):
 
         pass
 
-    def _reduce_last_version_repre_entities(self, representations):
-        """Reduce representations to last verison."""
+    def _reduce_last_version_repre_entities(self, repre_contexts):
+        """Reduce representations to last version."""
 
-        mapping = {}
-        # TODO use representation context with entities
-        # - using 'folder', 'subset' and 'version' from context on
-        #   representation is danger
-        for repre_entity in representations:
-            repre_context = repre_entity["context"]
-
-            folder_name = repre_context["asset"]
-            product_name = repre_context["subset"]
-            version = repre_context.get("version", -1)
-
-            if folder_name not in mapping:
-                mapping[folder_name] = {}
-
-            product_mapping = mapping[folder_name]
-            if product_name not in product_mapping:
-                product_mapping[product_name] = collections.defaultdict(list)
-
-            version_mapping = product_mapping[product_name]
-            version_mapping[version].append(repre_entity)
+        version_mapping_by_product_id = {}
+        for repre_context in repre_contexts:
+            product_id = repre_context["product"]["id"]
+            version = repre_context["version"]["version"]
+            version_mapping = version_mapping_by_product_id.setdefault(
+                product_id, {}
+            )
+            version_mapping.setdefault(version, []).append(repre_context)
 
         output = []
-        for product_mapping in mapping.values():
-            for version_mapping in product_mapping.values():
-                last_version = tuple(sorted(version_mapping.keys()))[-1]
-                output.extend(version_mapping[last_version])
+        for version_mapping in version_mapping_by_product_id.values():
+            last_version = max(version_mapping.keys())
+            output.extend(version_mapping[last_version])
         return output
 
     def populate_load_placeholder(self, placeholder, ignore_repre_ids=None):
@@ -1585,32 +1572,33 @@ class PlaceholderLoadMixin(object):
         loader_name = placeholder.data["loader"]
         loader_args = self.parse_loader_args(placeholder.data["loader_args"])
 
-        placeholder_representations = self._get_representations(placeholder)
+        placeholder_representations = [
+            repre_entity
+            for repre_entity in self._get_representations(placeholder)
+            if repre_entity["id"] not in ignore_repre_ids
+        ]
 
-        filtered_representations = []
-        for representation in self._reduce_last_version_repre_entities(
-            placeholder_representations
-        ):
-            repre_id = representation["id"]
-            if repre_id not in ignore_repre_ids:
-                filtered_representations.append(representation)
-
-        if not filtered_representations:
+        repre_load_contexts = get_representation_contexts(
+            self.project_name, placeholder_representations
+        )
+        filtered_repre_contexts = self._reduce_last_version_repre_entities(
+            repre_load_contexts.values()
+        )
+        if not filtered_repre_contexts:
             self.log.info((
                 "There's no representation for this placeholder: {}"
             ).format(placeholder.scene_identifier))
+            if not placeholder.data.get("keep_placeholder", True):
+                self.delete_placeholder(placeholder)
             return
 
-        repre_load_contexts = get_representation_contexts(
-            self.project_name, filtered_representations
-        )
         loaders_by_name = self.builder.get_loaders_by_name()
         self._before_placeholder_load(
             placeholder
         )
 
         failed = False
-        for repre_load_context in repre_load_contexts.values():
+        for repre_load_context in filtered_repre_contexts:
             folder_path = repre_load_context["folder"]["path"]
             product_name = repre_load_context["product"]["name"]
             representation = repre_load_context["representation"]
@@ -1695,8 +1683,6 @@ class PlaceholderCreateMixin(object):
         publishable instances. Use it with 'get_placeholder_options'.
 
         Args:
-            plugin (PlaceholderPlugin): Plugin used for creating of
-                publish instances.
             options (Dict[str, Any]): Already available options which are used
                 as defaults for attributes.
 
diff --git a/client/ayon_core/plugins/actions/open_file_explorer.py b/client/ayon_core/plugins/actions/open_file_explorer.py
index 6a456c75c1..50a3107444 100644
--- a/client/ayon_core/plugins/actions/open_file_explorer.py
+++ b/client/ayon_core/plugins/actions/open_file_explorer.py
@@ -3,8 +3,6 @@ import platform
 import subprocess
 from string import Formatter
 
-import ayon_api
-
 from ayon_core.pipeline import (
     Anatomy,
     LauncherAction,
diff --git a/client/ayon_core/scripts/slates/slate_base/base.py b/client/ayon_core/scripts/slates/slate_base/base.py
index 35ef46769c..e1648c916a 100644
--- a/client/ayon_core/scripts/slates/slate_base/base.py
+++ b/client/ayon_core/scripts/slates/slate_base/base.py
@@ -82,20 +82,6 @@ class BaseObj:
     def main_style(self):
         return load_default_style()
 
-    def height(self):
-        raise NotImplementedError(
-            "Attribute `height` is not implemented for <{}>".format(
-                self.__clas__.__name__
-            )
-        )
-
-    def width(self):
-        raise NotImplementedError(
-            "Attribute `width` is not implemented for <{}>".format(
-                self.__clas__.__name__
-            )
-        )
-
     def collect_data(self):
         return None
 
diff --git a/client/ayon_core/tools/loader/ui/products_model.py b/client/ayon_core/tools/loader/ui/products_model.py
index 41342ba0df..b465679c3b 100644
--- a/client/ayon_core/tools/loader/ui/products_model.py
+++ b/client/ayon_core/tools/loader/ui/products_model.py
@@ -284,7 +284,13 @@ class ProductsModel(QtGui.QStandardItemModel):
         model_item.setData(label, QtCore.Qt.DisplayRole)
         return model_item
 
-    def _set_version_data_to_product_item(self, model_item, version_item):
+    def _set_version_data_to_product_item(
+        self,
+        model_item,
+        version_item,
+        repre_count_by_version_id=None,
+        sync_availability_by_version_id=None,
+    ):
         """
 
         Args:
@@ -292,6 +298,10 @@ class ProductsModel(QtGui.QStandardItemModel):
                 from version item.
             version_item (VersionItem): Item from entities model with
                 information about version.
+            repre_count_by_version_id (Optional[str, int]): Mapping of
+                representation count by version id.
+            sync_availability_by_version_id (Optional[str, Tuple[int, int]]):
+                Mapping of sync availability by version id.
         """
 
         model_item.setData(version_item.version_id, VERSION_ID_ROLE)
@@ -312,12 +322,20 @@ class ProductsModel(QtGui.QStandardItemModel):
         # TODO call site sync methods for all versions at once
         project_name = self._last_project_name
         version_id = version_item.version_id
-        repre_count = self._controller.get_versions_representation_count(
-            project_name, [version_id]
-        )[version_id]
-        active, remote = self._controller.get_version_sync_availability(
-            project_name, [version_id]
-        )[version_id]
+        if repre_count_by_version_id is None:
+            repre_count_by_version_id = (
+                self._controller.get_versions_representation_count(
+                    project_name, [version_id]
+                )
+            )
+        if sync_availability_by_version_id is None:
+            sync_availability_by_version_id = (
+                self._controller.get_version_sync_availability(
+                    project_name, [version_id]
+                )
+            )
+        repre_count = repre_count_by_version_id[version_id]
+        active, remote = sync_availability_by_version_id[version_id]
 
         model_item.setData(repre_count, REPRESENTATIONS_COUNT_ROLE)
         model_item.setData(active, SYNC_ACTIVE_SITE_AVAILABILITY)
@@ -327,7 +345,9 @@ class ProductsModel(QtGui.QStandardItemModel):
         self,
         product_item,
         active_site_icon,
-        remote_site_icon
+        remote_site_icon,
+        repre_count_by_version_id,
+        sync_availability_by_version_id,
     ):
         model_item = self._items_by_id.get(product_item.product_id)
         versions = list(product_item.version_items.values())
@@ -357,7 +377,12 @@ class ProductsModel(QtGui.QStandardItemModel):
         model_item.setData(active_site_icon, ACTIVE_SITE_ICON_ROLE)
         model_item.setData(remote_site_icon, REMOTE_SITE_ICON_ROLE)
 
-        self._set_version_data_to_product_item(model_item, last_version)
+        self._set_version_data_to_product_item(
+            model_item,
+            last_version,
+            repre_count_by_version_id,
+            sync_availability_by_version_id,
+        )
         return model_item
 
     def get_last_project_name(self):
@@ -387,6 +412,24 @@ class ProductsModel(QtGui.QStandardItemModel):
             product_item.product_id: product_item
             for product_item in product_items
         }
+        last_version_id_by_product_id = {}
+        for product_item in product_items:
+            versions = list(product_item.version_items.values())
+            versions.sort()
+            last_version = versions[-1]
+            last_version_id_by_product_id[product_item.product_id] = (
+                last_version.version_id
+            )
+
+        version_ids = set(last_version_id_by_product_id.values())
+        repre_count_by_version_id = self._controller.get_versions_representation_count(
+            project_name, version_ids
+        )
+        sync_availability_by_version_id = (
+            self._controller.get_version_sync_availability(
+                project_name, version_ids
+            )
+        )
 
         # Prepare product groups
         product_name_matches_by_group = collections.defaultdict(dict)
@@ -443,6 +486,8 @@ class ProductsModel(QtGui.QStandardItemModel):
                     product_item,
                     active_site_icon,
                     remote_site_icon,
+                    repre_count_by_version_id,
+                    sync_availability_by_version_id,
                 )
                 new_items.append(item)
 
@@ -463,6 +508,8 @@ class ProductsModel(QtGui.QStandardItemModel):
                         product_item,
                         active_site_icon,
                         remote_site_icon,
+                        repre_count_by_version_id,
+                        sync_availability_by_version_id,
                     )
                     new_merged_items.append(item)
                     merged_product_types.add(product_item.product_type)
diff --git a/client/ayon_core/tools/publisher/control_qt.py b/client/ayon_core/tools/publisher/control_qt.py
index ee08899cac..bef3a5af3b 100644
--- a/client/ayon_core/tools/publisher/control_qt.py
+++ b/client/ayon_core/tools/publisher/control_qt.py
@@ -343,8 +343,9 @@ class QtRemotePublishController(BasePublisherController):
 
     @abstractmethod
     def _send_instance_changes_to_client(self):
-        instance_changes = self._get_instance_changes_for_client()
-        # Implement to send 'instance_changes' value to client
+        # TODO Implement to send 'instance_changes' value to client
+        # instance_changes = self._get_instance_changes_for_client()
+        pass
 
     @abstractmethod
     def save_changes(self):
diff --git a/client/ayon_core/tools/tray/tray.py b/client/ayon_core/tools/tray/tray.py
index 3c6c529be8..957518afe4 100644
--- a/client/ayon_core/tools/tray/tray.py
+++ b/client/ayon_core/tools/tray/tray.py
@@ -552,7 +552,7 @@ class TrayStarter(QtCore.QObject):
 def main():
     app = get_ayon_qt_app()
 
-    starter = TrayStarter(app)
+    starter = TrayStarter(app)  # noqa F841
 
     if not is_running_from_build() and os.name == "nt":
         import ctypes
diff --git a/client/ayon_core/tools/utils/color_widgets/color_inputs.py b/client/ayon_core/tools/utils/color_widgets/color_inputs.py
index 9c8e7b92e8..795b80fc1e 100644
--- a/client/ayon_core/tools/utils/color_widgets/color_inputs.py
+++ b/client/ayon_core/tools/utils/color_widgets/color_inputs.py
@@ -562,11 +562,11 @@ class HSLInputs(QtWidgets.QWidget):
             return
 
         self._block_changes = True
-        h, s, l, _ = self.color.getHsl()
+        hue, sat, lum, _ = self.color.getHsl()
 
-        self.input_hue.setValue(h)
-        self.input_sat.setValue(s)
-        self.input_light.setValue(l)
+        self.input_hue.setValue(hue)
+        self.input_sat.setValue(sat)
+        self.input_light.setValue(lum)
 
         self._block_changes = False
 
diff --git a/client/ayon_core/tools/utils/widgets.py b/client/ayon_core/tools/utils/widgets.py
index 1d4f85246f..21cab5d682 100644
--- a/client/ayon_core/tools/utils/widgets.py
+++ b/client/ayon_core/tools/utils/widgets.py
@@ -578,7 +578,8 @@ class OptionalAction(QtWidgets.QWidgetAction):
     def set_option_tip(self, options):
         sep = "\n\n"
         if not options or not isinstance(options[0], AbstractAttrDef):
-            mak = (lambda opt: opt["name"] + " :\n    " + opt["help"])
+            def mak(opt):
+                return opt["name"] + " :\n    " + opt["help"]
             self.option_tip = sep.join(mak(opt) for opt in options)
             return
 
diff --git a/client/ayon_core/tools/workfile_template_build/lib.py b/client/ayon_core/tools/workfile_template_build/lib.py
index de3a0d0084..ffd6fefc38 100644
--- a/client/ayon_core/tools/workfile_template_build/lib.py
+++ b/client/ayon_core/tools/workfile_template_build/lib.py
@@ -8,12 +8,12 @@ from ayon_core.tools.utils.dialogs import show_message_dialog
 def open_template_ui(builder, main_window):
     """Open template from `builder`
 
-    Asks user about overwriting current scene and feedsback exceptions.
+    Asks user about overwriting current scene and feedback exceptions.
     """
     result = QtWidgets.QMessageBox.question(
         main_window,
         "Opening template",
-        "Caution! You will loose unsaved changes.\nDo you want to continue?",
+        "Caution! You will lose unsaved changes.\nDo you want to continue?",
         QtWidgets.QMessageBox.Yes | QtWidgets.QMessageBox.No
     )
     if result == QtWidgets.QMessageBox.Yes:
diff --git a/pyproject.toml b/pyproject.toml
index dc8b312364..c1f6ddfb0b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -77,6 +77,20 @@ unfixable = []
 # Allow unused variables when underscore-prefixed.
 dummy-variable-rgx = "^(_+|(_+[a-zA-Z0-9_]*[a-zA-Z0-9]+?))$"
 
+exclude = [
+    "client/ayon_core/hosts/unreal/integration/*",
+    "client/ayon_core/hosts/aftereffects/api/extension/js/libs/*",
+    "client/ayon_core/hosts/hiero/api/startup/*",
+    "client/ayon_core/modules/deadline/repository/custom/plugins/CelAction/*",
+    "client/ayon_core/modules/deadline/repository/custom/plugins/HarmonyAYON/*",
+    "client/ayon_core/modules/click_wrap.py",
+    "client/ayon_core/scripts/slates/__init__.py"
+]
+
+[tool.ruff.lint.per-file-ignores]
+"client/ayon_core/lib/__init__.py" = ["E402"]
+"client/ayon_core/hosts/max/startup/startup.py" = ["E402"]
+
 [tool.ruff.format]
 # Like Black, use double quotes for strings.
 quote-style = "double"
diff --git a/client/ayon_core/addons/applications/ayon_applications/__init__.py b/server_addon/applications/client/ayon_applications/__init__.py
similarity index 97%
rename from client/ayon_core/addons/applications/ayon_applications/__init__.py
rename to server_addon/applications/client/ayon_applications/__init__.py
index b4a50279ab..c9b72f9914 100644
--- a/client/ayon_core/addons/applications/ayon_applications/__init__.py
+++ b/server_addon/applications/client/ayon_applications/__init__.py
@@ -31,6 +31,7 @@ from .addon import ApplicationsAddon
 
 
 __all__ = (
+    "APPLICATIONS_ADDON_ROOT",
     "DEFAULT_ENV_SUBGROUP",
     "PLATFORM_NAMES",
 
diff --git a/client/ayon_core/addons/applications/ayon_applications/addon.py b/server_addon/applications/client/ayon_applications/addon.py
similarity index 100%
rename from client/ayon_core/addons/applications/ayon_applications/addon.py
rename to server_addon/applications/client/ayon_applications/addon.py
diff --git a/client/ayon_core/addons/applications/ayon_applications/constants.py b/server_addon/applications/client/ayon_applications/constants.py
similarity index 100%
rename from client/ayon_core/addons/applications/ayon_applications/constants.py
rename to server_addon/applications/client/ayon_applications/constants.py
diff --git a/client/ayon_core/addons/applications/ayon_applications/defs.py b/server_addon/applications/client/ayon_applications/defs.py
similarity index 100%
rename from client/ayon_core/addons/applications/ayon_applications/defs.py
rename to server_addon/applications/client/ayon_applications/defs.py
diff --git a/client/ayon_core/addons/applications/ayon_applications/exceptions.py b/server_addon/applications/client/ayon_applications/exceptions.py
similarity index 100%
rename from client/ayon_core/addons/applications/ayon_applications/exceptions.py
rename to server_addon/applications/client/ayon_applications/exceptions.py
diff --git a/client/ayon_core/addons/applications/ayon_applications/hooks.py b/server_addon/applications/client/ayon_applications/hooks.py
similarity index 100%
rename from client/ayon_core/addons/applications/ayon_applications/hooks.py
rename to server_addon/applications/client/ayon_applications/hooks.py
diff --git a/client/ayon_core/addons/applications/ayon_applications/manager.py b/server_addon/applications/client/ayon_applications/manager.py
similarity index 100%
rename from client/ayon_core/addons/applications/ayon_applications/manager.py
rename to server_addon/applications/client/ayon_applications/manager.py
diff --git a/client/ayon_core/addons/applications/ayon_applications/plugins/publish/collect_app_name.py b/server_addon/applications/client/ayon_applications/plugins/publish/collect_app_name.py
similarity index 100%
rename from client/ayon_core/addons/applications/ayon_applications/plugins/publish/collect_app_name.py
rename to server_addon/applications/client/ayon_applications/plugins/publish/collect_app_name.py
diff --git a/client/ayon_core/addons/applications/ayon_applications/utils.py b/server_addon/applications/client/ayon_applications/utils.py
similarity index 100%
rename from client/ayon_core/addons/applications/ayon_applications/utils.py
rename to server_addon/applications/client/ayon_applications/utils.py
diff --git a/server_addon/applications/package.py b/server_addon/applications/package.py
new file mode 100644
index 0000000000..ce312ed662
--- /dev/null
+++ b/server_addon/applications/package.py
@@ -0,0 +1,3 @@
+name = "applications"
+title = "Applications"
+version = "0.2.0"
diff --git a/server_addon/applications/server/__init__.py b/server_addon/applications/server/__init__.py
index 2668589cbe..d85678b77b 100644
--- a/server_addon/applications/server/__init__.py
+++ b/server_addon/applications/server/__init__.py
@@ -6,7 +6,6 @@ from ayon_server.addons import BaseServerAddon, AddonLibrary
 from ayon_server.entities.core import attribute_library
 from ayon_server.lib.postgres import Postgres
 
-from .version import __version__
 from .settings import ApplicationsAddonSettings, DEFAULT_VALUES
 
 try:
@@ -87,9 +86,6 @@ def get_enum_items_from_groups(groups):
 
 
 class ApplicationsAddon(BaseServerAddon):
-    name = "applications"
-    title = "Applications"
-    version = __version__
     settings_model = ApplicationsAddonSettings
 
     async def get_default_settings(self):
diff --git a/server_addon/applications/server/version.py b/server_addon/applications/server/version.py
deleted file mode 100644
index c11f861afb..0000000000
--- a/server_addon/applications/server/version.py
+++ /dev/null
@@ -1 +0,0 @@
-__version__ = "0.1.9"
diff --git a/server_addon/create_ayon_addons.py b/server_addon/create_ayon_addons.py
index c2686199be..bfd601af07 100644
--- a/server_addon/create_ayon_addons.py
+++ b/server_addon/create_ayon_addons.py
@@ -4,6 +4,8 @@ import re
 import shutil
 import argparse
 import zipfile
+import types
+import importlib
 import platform
 import collections
 from pathlib import Path
@@ -44,6 +46,11 @@ version = "{addon_version}"
 plugin_for = ["ayon_server"]
 """
 
+CLIENT_VERSION_CONTENT = '''# -*- coding: utf-8 -*-
+"""Package declaring AYON core addon version."""
+__version__ = "{}"
+'''
+
 
 class ZipFileLongPaths(zipfile.ZipFile):
     """Allows longer paths in zip files.
@@ -175,13 +182,75 @@ def create_addon_zip(
         shutil.rmtree(str(output_dir / addon_name))
 
 
+def prepare_client_code(
+    addon_dir: Path,
+    addon_output_dir: Path,
+    addon_version: str
+):
+    client_dir = addon_dir / "client"
+    if not client_dir.exists():
+        return
+
+    # Prepare private dir in output
+    private_dir = addon_output_dir / "private"
+    private_dir.mkdir(parents=True, exist_ok=True)
+
+    # Copy pyproject toml if available
+    pyproject_toml = client_dir / "pyproject.toml"
+    if pyproject_toml.exists():
+        shutil.copy(pyproject_toml, private_dir)
+
+    for subpath in client_dir.iterdir():
+        if subpath.name == "pyproject.toml":
+            continue
+
+        if subpath.is_file():
+            continue
+
+        # Update version.py with server version if 'version.py' is available
+        version_path = subpath / "version.py"
+        if version_path.exists():
+            with open(version_path, "w") as stream:
+                stream.write(CLIENT_VERSION_CONTENT.format(addon_version))
+
+        zip_filepath = private_dir / "client.zip"
+        with ZipFileLongPaths(zip_filepath, "w", zipfile.ZIP_DEFLATED) as zipf:
+            # Add client code content to zip
+            for path, sub_path in find_files_in_subdir(str(subpath)):
+                sub_path = os.path.join(subpath.name, sub_path)
+                zipf.write(path, sub_path)
+
+
+def import_filepath(path: Path, module_name: Optional[str] = None):
+    if not module_name:
+        module_name = os.path.splitext(path.name)[0]
+
+    # Convert to string
+    path = str(path)
+    module = types.ModuleType(module_name)
+    module.__file__ = path
+
+    # Use loader so module has full specs
+    module_loader = importlib.machinery.SourceFileLoader(
+        module_name, path
+    )
+    module_loader.exec_module(module)
+    return module
+
+
 def create_addon_package(
     addon_dir: Path,
     output_dir: Path,
     create_zip: bool,
     keep_source: bool,
 ):
-    addon_version = get_addon_version(addon_dir)
+    src_package_py = addon_dir / "package.py"
+    package = None
+    if src_package_py.exists():
+        package = import_filepath(src_package_py)
+        addon_version = package.version
+    else:
+        addon_version = get_addon_version(addon_dir)
 
     addon_output_dir = output_dir / addon_dir.name / addon_version
     if addon_output_dir.exists():
@@ -189,22 +258,27 @@ def create_addon_package(
     addon_output_dir.mkdir(parents=True)
 
     # Copy server content
-    package_py = addon_output_dir / "package.py"
-    addon_name = addon_dir.name
-    if addon_name == "royal_render":
-        addon_name = "royalrender"
-    package_py_content = PACKAGE_PY_TEMPLATE.format(
-        addon_name=addon_name, addon_version=addon_version
-    )
+    dst_package_py = addon_output_dir / "package.py"
+    if package is not None:
+        shutil.copy(src_package_py, dst_package_py)
+    else:
+        addon_name = addon_dir.name
+        if addon_name == "royal_render":
+            addon_name = "royalrender"
+        package_py_content = PACKAGE_PY_TEMPLATE.format(
+            addon_name=addon_name, addon_version=addon_version
+        )
 
-    with open(package_py, "w+") as pkg_py:
-        pkg_py.write(package_py_content)
+        with open(dst_package_py, "w+") as pkg_py:
+            pkg_py.write(package_py_content)
 
     server_dir = addon_dir / "server"
     shutil.copytree(
         server_dir, addon_output_dir / "server", dirs_exist_ok=True
     )
 
+    prepare_client_code(addon_dir, addon_output_dir, addon_version)
+
     if create_zip:
         create_addon_zip(
             output_dir, addon_dir.name, addon_version, keep_source
diff --git a/server_addon/deadline/server/settings/main.py b/server_addon/deadline/server/settings/main.py
index 9537d6d550..21a314cd2f 100644
--- a/server_addon/deadline/server/settings/main.py
+++ b/server_addon/deadline/server/settings/main.py
@@ -1,3 +1,4 @@
+from typing import TYPE_CHECKING
 from pydantic import validator
 
 from ayon_server.settings import (
@@ -5,6 +6,8 @@ from ayon_server.settings import (
     SettingsField,
     ensure_unique_names,
 )
+if TYPE_CHECKING:
+    from ayon_server.addons import BaseServerAddon
 
 from .publish_plugins import (
     PublishPluginsModel,
diff --git a/server_addon/maya/server/settings/loaders.py b/server_addon/maya/server/settings/loaders.py
index 4e949f616a..f59711b1e6 100644
--- a/server_addon/maya/server/settings/loaders.py
+++ b/server_addon/maya/server/settings/loaders.py
@@ -1,5 +1,5 @@
 from ayon_server.settings import BaseSettingsModel, SettingsField
-from ayon_server.types import ColorRGB_float, ColorRGBA_uint8
+from ayon_server.types import ColorRGBA_uint8
 
 
 class LoaderEnabledModel(BaseSettingsModel):
diff --git a/server_addon/maya/server/settings/publish_playblast.py b/server_addon/maya/server/settings/publish_playblast.py
index 39f48bacbe..d513a43e99 100644
--- a/server_addon/maya/server/settings/publish_playblast.py
+++ b/server_addon/maya/server/settings/publish_playblast.py
@@ -6,7 +6,7 @@ from ayon_server.settings import (
     ensure_unique_names,
     task_types_enum,
 )
-from ayon_server.types import ColorRGBA_uint8, ColorRGB_float
+from ayon_server.types import ColorRGBA_uint8
 
 
 def hardware_falloff_enum():
diff --git a/server_addon/tvpaint/server/settings/publish_plugins.py b/server_addon/tvpaint/server/settings/publish_plugins.py
index 0d978e5714..db1c7bd11a 100644
--- a/server_addon/tvpaint/server/settings/publish_plugins.py
+++ b/server_addon/tvpaint/server/settings/publish_plugins.py
@@ -1,5 +1,5 @@
 from ayon_server.settings import BaseSettingsModel, SettingsField
-from ayon_server.types import ColorRGBA_uint8, ColorRGB_uint8
+from ayon_server.types import ColorRGBA_uint8
 
 
 class CollectRenderInstancesModel(BaseSettingsModel):