diff --git a/client/ayon_core/hosts/aftereffects/plugins/load/load_background.py b/client/ayon_core/hosts/aftereffects/plugins/load/load_background.py
index 9c43dc0e77..7c9bd2fcfd 100644
--- a/client/ayon_core/hosts/aftereffects/plugins/load/load_background.py
+++ b/client/ayon_core/hosts/aftereffects/plugins/load/load_background.py
@@ -20,7 +20,7 @@ class BackgroundLoader(api.AfterEffectsLoader):
         metadata
     """
     label = "Load JSON Background"
-    product_types = ["background"]
+    product_types = {"background"}
     representations = ["json"]
 
     def load(self, context, name=None, namespace=None, data=None):
diff --git a/client/ayon_core/hosts/aftereffects/plugins/load/load_file.py b/client/ayon_core/hosts/aftereffects/plugins/load/load_file.py
index 2d9ba1b677..79e791af7b 100644
--- a/client/ayon_core/hosts/aftereffects/plugins/load/load_file.py
+++ b/client/ayon_core/hosts/aftereffects/plugins/load/load_file.py
@@ -12,12 +12,14 @@ class FileLoader(api.AfterEffectsLoader):
     """
     label = "Load file"
 
-    product_types = ["image",
-                "plate",
-                "render",
-                "prerender",
-                "review",
-                "audio"]
+    product_types = {
+        "image",
+        "plate",
+        "render",
+        "prerender",
+        "review",
+        "audio",
+    }
     representations = ["*"]
 
     def load(self, context, name=None, namespace=None, data=None):
diff --git a/client/ayon_core/hosts/blender/plugins/load/import_workfile.py b/client/ayon_core/hosts/blender/plugins/load/import_workfile.py
index f64437e753..3aa73a5143 100644
--- a/client/ayon_core/hosts/blender/plugins/load/import_workfile.py
+++ b/client/ayon_core/hosts/blender/plugins/load/import_workfile.py
@@ -44,7 +44,7 @@ class AppendBlendLoader(plugin.AssetLoader):
     """
 
     representations = ["blend"]
-    product_types = ["workfile"]
+    product_types = {"workfile"}
 
     label = "Append Workfile"
     order = 9
@@ -69,7 +69,7 @@ class ImportBlendLoader(plugin.AssetLoader):
     """
 
     representations = ["blend"]
-    product_types = ["workfile"]
+    product_types = {"workfile"}
 
     label = "Import Workfile"
     order = 9
diff --git a/client/ayon_core/hosts/blender/plugins/load/load_abc.py b/client/ayon_core/hosts/blender/plugins/load/load_abc.py
index a6e834e20a..938ae6106b 100644
--- a/client/ayon_core/hosts/blender/plugins/load/load_abc.py
+++ b/client/ayon_core/hosts/blender/plugins/load/load_abc.py
@@ -26,7 +26,7 @@ class CacheModelLoader(plugin.AssetLoader):
     Note:
         At least for now it only supports Alembic files.
     """
-    product_types = ["model", "pointcache", "animation"]
+    product_types = {"model", "pointcache", "animation"}
     representations = ["abc"]
 
     label = "Load Alembic"
diff --git a/client/ayon_core/hosts/blender/plugins/load/load_action.py b/client/ayon_core/hosts/blender/plugins/load/load_action.py
index 446fa20fec..4161f8bff3 100644
--- a/client/ayon_core/hosts/blender/plugins/load/load_action.py
+++ b/client/ayon_core/hosts/blender/plugins/load/load_action.py
@@ -24,7 +24,7 @@ class BlendActionLoader(plugin.AssetLoader):
         moment.
     """
 
-    product_types = ["action"]
+    product_types = {"action"}
     representations = ["blend"]
 
     label = "Link Action"
diff --git a/client/ayon_core/hosts/blender/plugins/load/load_animation.py b/client/ayon_core/hosts/blender/plugins/load/load_animation.py
index 5da270f9e4..effb91c48c 100644
--- a/client/ayon_core/hosts/blender/plugins/load/load_animation.py
+++ b/client/ayon_core/hosts/blender/plugins/load/load_animation.py
@@ -16,7 +16,7 @@ class BlendAnimationLoader(plugin.AssetLoader):
         moment.
     """
 
-    product_types = ["animation"]
+    product_types = {"animation"}
     representations = ["blend"]
 
     label = "Link Animation"
diff --git a/client/ayon_core/hosts/blender/plugins/load/load_audio.py b/client/ayon_core/hosts/blender/plugins/load/load_audio.py
index 6e72c58bc9..db83c4bca2 100644
--- a/client/ayon_core/hosts/blender/plugins/load/load_audio.py
+++ b/client/ayon_core/hosts/blender/plugins/load/load_audio.py
@@ -20,7 +20,7 @@ from ayon_core.hosts.blender.api.pipeline import (
 class AudioLoader(plugin.AssetLoader):
     """Load audio in Blender."""
 
-    product_types = ["audio"]
+    product_types = {"audio"}
     representations = ["wav"]
 
     label = "Load Audio"
diff --git a/client/ayon_core/hosts/blender/plugins/load/load_blend.py b/client/ayon_core/hosts/blender/plugins/load/load_blend.py
index 8cc246f46e..e84dddc88f 100644
--- a/client/ayon_core/hosts/blender/plugins/load/load_blend.py
+++ b/client/ayon_core/hosts/blender/plugins/load/load_blend.py
@@ -20,7 +20,7 @@ from ayon_core.hosts.blender.api.pipeline import (
 class BlendLoader(plugin.AssetLoader):
     """Load assets from a .blend file."""
 
-    product_types = ["model", "rig", "layout", "camera"]
+    product_types = {"model", "rig", "layout", "camera"}
     representations = ["blend"]
 
     label = "Append Blend"
diff --git a/client/ayon_core/hosts/blender/plugins/load/load_blendscene.py b/client/ayon_core/hosts/blender/plugins/load/load_blendscene.py
index 41964a906a..627941752f 100644
--- a/client/ayon_core/hosts/blender/plugins/load/load_blendscene.py
+++ b/client/ayon_core/hosts/blender/plugins/load/load_blendscene.py
@@ -18,7 +18,7 @@ from ayon_core.hosts.blender.api.pipeline import (
 class BlendSceneLoader(plugin.AssetLoader):
     """Load assets from a .blend file."""
 
-    product_types = ["blendScene"]
+    product_types = {"blendScene"}
     representations = ["blend"]
 
     label = "Append Blend"
diff --git a/client/ayon_core/hosts/blender/plugins/load/load_camera_abc.py b/client/ayon_core/hosts/blender/plugins/load/load_camera_abc.py
index 4c8bfba9a5..e677fc3e58 100644
--- a/client/ayon_core/hosts/blender/plugins/load/load_camera_abc.py
+++ b/client/ayon_core/hosts/blender/plugins/load/load_camera_abc.py
@@ -23,7 +23,7 @@ class AbcCameraLoader(plugin.AssetLoader):
     Stores the imported asset in an empty named after the asset.
     """
 
-    product_types = ["camera"]
+    product_types = {"camera"}
     representations = ["abc"]
 
     label = "Load Camera (ABC)"
diff --git a/client/ayon_core/hosts/blender/plugins/load/load_camera_fbx.py b/client/ayon_core/hosts/blender/plugins/load/load_camera_fbx.py
index d14f145f81..14d61a6395 100644
--- a/client/ayon_core/hosts/blender/plugins/load/load_camera_fbx.py
+++ b/client/ayon_core/hosts/blender/plugins/load/load_camera_fbx.py
@@ -23,7 +23,7 @@ class FbxCameraLoader(plugin.AssetLoader):
     Stores the imported asset in an empty named after the asset.
     """
 
-    product_types = ["camera"]
+    product_types = {"camera"}
     representations = ["fbx"]
 
     label = "Load Camera (FBX)"
diff --git a/client/ayon_core/hosts/blender/plugins/load/load_fbx.py b/client/ayon_core/hosts/blender/plugins/load/load_fbx.py
index c330dca160..0042482284 100644
--- a/client/ayon_core/hosts/blender/plugins/load/load_fbx.py
+++ b/client/ayon_core/hosts/blender/plugins/load/load_fbx.py
@@ -23,7 +23,7 @@ class FbxModelLoader(plugin.AssetLoader):
     Stores the imported asset in an empty named after the asset.
     """
 
-    product_types = ["model", "rig"]
+    product_types = {"model", "rig"}
     representations = ["fbx"]
 
     label = "Load FBX"
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 ccd0ddb432..7a3da1882e 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
@@ -26,7 +26,7 @@ from ayon_core.hosts.blender.api import plugin
 class JsonLayoutLoader(plugin.AssetLoader):
     """Load layout published from Unreal."""
 
-    product_types = ["layout"]
+    product_types = {"layout"}
     representations = ["json"]
 
     label = "Load Layout"
diff --git a/client/ayon_core/hosts/blender/plugins/load/load_look.py b/client/ayon_core/hosts/blender/plugins/load/load_look.py
index b3c0d705ce..ce677a8471 100644
--- a/client/ayon_core/hosts/blender/plugins/load/load_look.py
+++ b/client/ayon_core/hosts/blender/plugins/load/load_look.py
@@ -23,7 +23,7 @@ class BlendLookLoader(plugin.AssetLoader):
     contains the model. There is no further need to 'containerise' it.
     """
 
-    product_types = ["look"]
+    product_types = {"look"}
     representations = ["json"]
 
     label = "Load Look"
diff --git a/client/ayon_core/hosts/flame/plugins/load/load_clip.py b/client/ayon_core/hosts/flame/plugins/load/load_clip.py
index 014833db1b..f528caeb29 100644
--- a/client/ayon_core/hosts/flame/plugins/load/load_clip.py
+++ b/client/ayon_core/hosts/flame/plugins/load/load_clip.py
@@ -17,7 +17,7 @@ class LoadClip(opfapi.ClipLoader):
     during conforming to project
     """
 
-    product_types = ["render2d", "source", "plate", "render", "review"]
+    product_types = {"render2d", "source", "plate", "render", "review"}
     representations = ["*"]
     extensions = set(
         ext.lstrip(".") for ext in IMAGE_EXTENSIONS.union(VIDEO_EXTENSIONS)
diff --git a/client/ayon_core/hosts/flame/plugins/load/load_clip_batch.py b/client/ayon_core/hosts/flame/plugins/load/load_clip_batch.py
index 4884eb643f..9bdd467d63 100644
--- a/client/ayon_core/hosts/flame/plugins/load/load_clip_batch.py
+++ b/client/ayon_core/hosts/flame/plugins/load/load_clip_batch.py
@@ -16,7 +16,7 @@ class LoadClipBatch(opfapi.ClipLoader):
     during conforming to project
     """
 
-    product_types = ["render2d", "source", "plate", "render", "review"]
+    product_types = {"render2d", "source", "plate", "render", "review"}
     representations = ["*"]
     extensions = set(
         ext.lstrip(".") for ext in IMAGE_EXTENSIONS.union(VIDEO_EXTENSIONS)
diff --git a/client/ayon_core/hosts/fusion/plugins/load/actions.py b/client/ayon_core/hosts/fusion/plugins/load/actions.py
index 38413a3e41..9600479680 100644
--- a/client/ayon_core/hosts/fusion/plugins/load/actions.py
+++ b/client/ayon_core/hosts/fusion/plugins/load/actions.py
@@ -8,14 +8,15 @@ from ayon_core.pipeline import load
 class FusionSetFrameRangeLoader(load.LoaderPlugin):
     """Set frame range excluding pre- and post-handles"""
 
-    product_types = [
+    product_types = {
         "animation",
         "camera",
         "imagesequence",
         "render",
         "yeticache",
         "pointcache",
-        "render"]
+        "render",
+    }
     representations = ["*"]
     extensions = {"*"}
 
@@ -44,14 +45,15 @@ class FusionSetFrameRangeLoader(load.LoaderPlugin):
 class FusionSetFrameRangeWithHandlesLoader(load.LoaderPlugin):
     """Set frame range including pre- and post-handles"""
 
-    product_types = [
+    product_types = {
         "animation",
         "camera",
         "imagesequence",
         "render",
         "yeticache",
         "pointcache",
-        "render"]
+        "render",
+    }
     representations = ["*"]
 
     label = "Set frame range (with handles)"
diff --git a/client/ayon_core/hosts/fusion/plugins/load/load_alembic.py b/client/ayon_core/hosts/fusion/plugins/load/load_alembic.py
index a81e09cc7f..ae2175964d 100644
--- a/client/ayon_core/hosts/fusion/plugins/load/load_alembic.py
+++ b/client/ayon_core/hosts/fusion/plugins/load/load_alembic.py
@@ -12,7 +12,7 @@ from ayon_core.hosts.fusion.api import (
 class FusionLoadAlembicMesh(load.LoaderPlugin):
     """Load Alembic mesh into Fusion"""
 
-    product_types = ["pointcache", "model"]
+    product_types = {"pointcache", "model"}
     representations = ["*"]
     extensions = {"abc"}
 
diff --git a/client/ayon_core/hosts/fusion/plugins/load/load_fbx.py b/client/ayon_core/hosts/fusion/plugins/load/load_fbx.py
index 33d9dd48f7..68b7cdacd1 100644
--- a/client/ayon_core/hosts/fusion/plugins/load/load_fbx.py
+++ b/client/ayon_core/hosts/fusion/plugins/load/load_fbx.py
@@ -12,7 +12,7 @@ from ayon_core.hosts.fusion.api import (
 class FusionLoadFBXMesh(load.LoaderPlugin):
     """Load FBX mesh into Fusion"""
 
-    product_types = ["*"]
+    product_types = {"*"}
     representations = ["*"]
     extensions = {
         "3ds",
diff --git a/client/ayon_core/hosts/fusion/plugins/load/load_sequence.py b/client/ayon_core/hosts/fusion/plugins/load/load_sequence.py
index d2fe3b2bf0..f0a8233377 100644
--- a/client/ayon_core/hosts/fusion/plugins/load/load_sequence.py
+++ b/client/ayon_core/hosts/fusion/plugins/load/load_sequence.py
@@ -129,14 +129,14 @@ def loader_shift(loader, frame, relative=True):
 class FusionLoadSequence(load.LoaderPlugin):
     """Load image sequence into Fusion"""
 
-    product_types = [
+    product_types = {
         "imagesequence",
         "review",
         "render",
         "plate",
         "image",
         "online",
-    ]
+    }
     representations = ["*"]
     extensions = set(
         ext.lstrip(".") for ext in IMAGE_EXTENSIONS.union(VIDEO_EXTENSIONS)
diff --git a/client/ayon_core/hosts/fusion/plugins/load/load_usd.py b/client/ayon_core/hosts/fusion/plugins/load/load_usd.py
index 4648ff2ceb..2f8eeb4c66 100644
--- a/client/ayon_core/hosts/fusion/plugins/load/load_usd.py
+++ b/client/ayon_core/hosts/fusion/plugins/load/load_usd.py
@@ -16,7 +16,7 @@ class FusionLoadUSD(load.LoaderPlugin):
     Support for USD was added since Fusion 18.5
     """
 
-    product_types = ["*"]
+    product_types = {"*"}
     representations = ["*"]
     extensions = {"usd", "usda", "usdz"}
 
diff --git a/client/ayon_core/hosts/fusion/plugins/load/load_workfile.py b/client/ayon_core/hosts/fusion/plugins/load/load_workfile.py
index b0ae358355..fd2fa7c08b 100644
--- a/client/ayon_core/hosts/fusion/plugins/load/load_workfile.py
+++ b/client/ayon_core/hosts/fusion/plugins/load/load_workfile.py
@@ -14,7 +14,7 @@ from ayon_core.hosts.fusion.api import (
 class FusionLoadWorkfile(load.LoaderPlugin):
     """Load the content of a workfile into Fusion"""
 
-    product_types = ["workfile"]
+    product_types = {"workfile"}
     representations = ["*"]
     extensions = {"comp"}
 
diff --git a/client/ayon_core/hosts/harmony/api/README.md b/client/ayon_core/hosts/harmony/api/README.md
index 4b9415357f..6d1e400476 100644
--- a/client/ayon_core/hosts/harmony/api/README.md
+++ b/client/ayon_core/hosts/harmony/api/README.md
@@ -582,7 +582,7 @@ class ImageSequenceLoader(load.LoaderPlugin):
     """Load images
     Stores the imported asset in a container named after the asset.
     """
-    product_types = ["mindbender.imagesequence"]
+    product_types = {"mindbender.imagesequence"}
     representations = ["*"]
 
     def load(self, context, name=None, namespace=None, data=None):
diff --git a/client/ayon_core/hosts/harmony/plugins/load/load_audio.py b/client/ayon_core/hosts/harmony/plugins/load/load_audio.py
index bc1e64e48b..00f3ac77ec 100644
--- a/client/ayon_core/hosts/harmony/plugins/load/load_audio.py
+++ b/client/ayon_core/hosts/harmony/plugins/load/load_audio.py
@@ -35,7 +35,7 @@ function %s(args)
 class ImportAudioLoader(load.LoaderPlugin):
     """Import audio."""
 
-    product_types = ["shot", "audio"]
+    product_types = {"shot", "audio"}
     representations = ["wav"]
     label = "Import Audio"
 
diff --git a/client/ayon_core/hosts/harmony/plugins/load/load_background.py b/client/ayon_core/hosts/harmony/plugins/load/load_background.py
index 13b06a226c..74bc5a4fd8 100644
--- a/client/ayon_core/hosts/harmony/plugins/load/load_background.py
+++ b/client/ayon_core/hosts/harmony/plugins/load/load_background.py
@@ -233,7 +233,7 @@ class BackgroundLoader(load.LoaderPlugin):
     """Load images
     Stores the imported asset in a container named after the asset.
     """
-    product_types = ["background"]
+    product_types = {"background"}
     representations = ["json"]
 
     def load(self, context, name=None, namespace=None, data=None):
diff --git a/client/ayon_core/hosts/harmony/plugins/load/load_imagesequence.py b/client/ayon_core/hosts/harmony/plugins/load/load_imagesequence.py
index 33f19cefcd..bf4b87a03e 100644
--- a/client/ayon_core/hosts/harmony/plugins/load/load_imagesequence.py
+++ b/client/ayon_core/hosts/harmony/plugins/load/load_imagesequence.py
@@ -20,14 +20,14 @@ class ImageSequenceLoader(load.LoaderPlugin):
     Stores the imported asset in a container named after the asset.
     """
 
-    product_types = [
+    product_types = {
         "shot",
         "render",
         "image",
         "plate",
         "reference",
         "review",
-    ]
+    }
     representations = ["*"]
     extensions = {"jpeg", "png", "jpg"}
 
diff --git a/client/ayon_core/hosts/harmony/plugins/load/load_palette.py b/client/ayon_core/hosts/harmony/plugins/load/load_palette.py
index cc95b06bd6..d5fbeb323b 100644
--- a/client/ayon_core/hosts/harmony/plugins/load/load_palette.py
+++ b/client/ayon_core/hosts/harmony/plugins/load/load_palette.py
@@ -11,7 +11,7 @@ import ayon_core.hosts.harmony.api as harmony
 class ImportPaletteLoader(load.LoaderPlugin):
     """Import palettes."""
 
-    product_types = ["palette", "harmony.palette"]
+    product_types = {"palette", "harmony.palette"}
     representations = ["plt"]
     label = "Import Palette"
 
diff --git a/client/ayon_core/hosts/harmony/plugins/load/load_template.py b/client/ayon_core/hosts/harmony/plugins/load/load_template.py
index 21b51bce48..48064f2b75 100644
--- a/client/ayon_core/hosts/harmony/plugins/load/load_template.py
+++ b/client/ayon_core/hosts/harmony/plugins/load/load_template.py
@@ -23,7 +23,7 @@ class TemplateLoader(load.LoaderPlugin):
 
     """
 
-    product_types = ["template", "workfile"]
+    product_types = {"template", "workfile"}
     representations = ["*"]
     label = "Load Template"
     icon = "gift"
diff --git a/client/ayon_core/hosts/harmony/plugins/load/load_template_workfile.py b/client/ayon_core/hosts/harmony/plugins/load/load_template_workfile.py
index ec58d61ef0..7bf634f00c 100644
--- a/client/ayon_core/hosts/harmony/plugins/load/load_template_workfile.py
+++ b/client/ayon_core/hosts/harmony/plugins/load/load_template_workfile.py
@@ -13,7 +13,7 @@ import ayon_core.hosts.harmony.api as harmony
 class ImportTemplateLoader(load.LoaderPlugin):
     """Import templates."""
 
-    product_types = ["harmony.template", "workfile"]
+    product_types = {"harmony.template", "workfile"}
     representations = ["*"]
     label = "Import Template"
 
@@ -60,6 +60,6 @@ class ImportTemplateLoader(load.LoaderPlugin):
 class ImportWorkfileLoader(ImportTemplateLoader):
     """Import workfiles."""
 
-    product_types = ["workfile"]
+    product_types = {"workfile"}
     representations = ["zip"]
     label = "Import Workfile"
diff --git a/client/ayon_core/hosts/hiero/plugins/load/load_clip.py b/client/ayon_core/hosts/hiero/plugins/load/load_clip.py
index 58da259429..72d7e03a9a 100644
--- a/client/ayon_core/hosts/hiero/plugins/load/load_clip.py
+++ b/client/ayon_core/hosts/hiero/plugins/load/load_clip.py
@@ -15,7 +15,7 @@ class LoadClip(phiero.SequenceLoader):
     during conforming to project
     """
 
-    product_types = ["render2d", "source", "plate", "render", "review"]
+    product_types = {"render2d", "source", "plate", "render", "review"}
     representations = ["*"]
     extensions = set(
         ext.lstrip(".") for ext in IMAGE_EXTENSIONS.union(VIDEO_EXTENSIONS)
diff --git a/client/ayon_core/hosts/hiero/plugins/load/load_effects.py b/client/ayon_core/hosts/hiero/plugins/load/load_effects.py
index b1ad48af75..fd6b8ed694 100644
--- a/client/ayon_core/hosts/hiero/plugins/load/load_effects.py
+++ b/client/ayon_core/hosts/hiero/plugins/load/load_effects.py
@@ -14,7 +14,7 @@ from ayon_core.lib import Logger
 class LoadEffects(load.LoaderPlugin):
     """Loading colorspace soft effect exported from nukestudio"""
 
-    product_types = ["effect"]
+    product_types = {"effect"}
     representations = ["*"]
     extension = {"json"}
 
diff --git a/client/ayon_core/hosts/houdini/plugins/load/actions.py b/client/ayon_core/hosts/houdini/plugins/load/actions.py
index 0b5665adb4..c277005919 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/actions.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/actions.py
@@ -8,13 +8,13 @@ from ayon_core.pipeline import load
 class SetFrameRangeLoader(load.LoaderPlugin):
     """Set frame range excluding pre- and post-handles"""
 
-    product_types = [
+    product_types = {
         "animation",
         "camera",
         "pointcache",
         "vdbcache",
         "usd",
-    ]
+    }
     representations = ["abc", "vdb", "usd"]
 
     label = "Set frame range"
@@ -45,13 +45,13 @@ class SetFrameRangeLoader(load.LoaderPlugin):
 class SetFrameRangeWithHandlesLoader(load.LoaderPlugin):
     """Set frame range including pre- and post-handles"""
 
-    product_types = [
+    product_types = {
         "animation",
         "camera",
         "pointcache",
         "vdbcache",
         "usd",
-    ]
+    }
     representations = ["abc", "vdb", "usd"]
 
     label = "Set frame range (with handles)"
diff --git a/client/ayon_core/hosts/houdini/plugins/load/load_alembic.py b/client/ayon_core/hosts/houdini/plugins/load/load_alembic.py
index 681fecaba9..3398920e87 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/load_alembic.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/load_alembic.py
@@ -9,7 +9,7 @@ from ayon_core.hosts.houdini.api import pipeline
 class AbcLoader(load.LoaderPlugin):
     """Load Alembic"""
 
-    product_types = ["model", "animation", "pointcache", "gpuCache"]
+    product_types = {"model", "animation", "pointcache", "gpuCache"}
     label = "Load Alembic"
     representations = ["abc"]
     order = -10
diff --git a/client/ayon_core/hosts/houdini/plugins/load/load_alembic_archive.py b/client/ayon_core/hosts/houdini/plugins/load/load_alembic_archive.py
index 3ee0a936ca..8d3becb973 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/load_alembic_archive.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/load_alembic_archive.py
@@ -9,7 +9,7 @@ from ayon_core.hosts.houdini.api import pipeline
 class AbcArchiveLoader(load.LoaderPlugin):
     """Load Alembic as full geometry network hierarchy """
 
-    product_types = ["model", "animation", "pointcache", "gpuCache"]
+    product_types = {"model", "animation", "pointcache", "gpuCache"}
     label = "Load Alembic as Archive"
     representations = ["abc"]
     order = -5
diff --git a/client/ayon_core/hosts/houdini/plugins/load/load_ass.py b/client/ayon_core/hosts/houdini/plugins/load/load_ass.py
index 9c5c6e18d2..fd0e8f4604 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/load_ass.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/load_ass.py
@@ -11,7 +11,7 @@ from ayon_core.hosts.houdini.api import pipeline
 class AssLoader(load.LoaderPlugin):
     """Load .ass with Arnold Procedural"""
 
-    product_types = ["ass"]
+    product_types = {"ass"}
     label = "Load Arnold Procedural"
     representations = ["ass"]
     order = -10
diff --git a/client/ayon_core/hosts/houdini/plugins/load/load_bgeo.py b/client/ayon_core/hosts/houdini/plugins/load/load_bgeo.py
index 4e3fd36b5f..fd8071c0de 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/load_bgeo.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/load_bgeo.py
@@ -13,7 +13,7 @@ class BgeoLoader(load.LoaderPlugin):
     """Load bgeo files to Houdini."""
 
     label = "Load bgeo"
-    product_types = ["model", "pointcache", "bgeo"]
+    product_types = {"model", "pointcache", "bgeo"}
     representations = [
         "bgeo", "bgeosc", "bgeogz",
         "bgeo.sc", "bgeo.gz", "bgeo.lzma", "bgeo.bz2"]
diff --git a/client/ayon_core/hosts/houdini/plugins/load/load_camera.py b/client/ayon_core/hosts/houdini/plugins/load/load_camera.py
index 2ab4e314b5..605e5724e6 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/load_camera.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/load_camera.py
@@ -87,7 +87,7 @@ def transfer_non_default_values(src, dest, ignore=None):
 class CameraLoader(load.LoaderPlugin):
     """Load camera from an Alembic file"""
 
-    product_types = ["camera"]
+    product_types = {"camera"}
     label = "Load Camera (abc)"
     representations = ["abc"]
     order = -10
diff --git a/client/ayon_core/hosts/houdini/plugins/load/load_fbx.py b/client/ayon_core/hosts/houdini/plugins/load/load_fbx.py
index 9b801e69eb..a0c5e0c934 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/load_fbx.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/load_fbx.py
@@ -16,7 +16,7 @@ class FbxLoader(load.LoaderPlugin):
 
     order = -10
 
-    product_types = ["*"]
+    product_types = {"*"}
     representations = ["*"]
     extensions = {"fbx"}
 
diff --git a/client/ayon_core/hosts/houdini/plugins/load/load_hda.py b/client/ayon_core/hosts/houdini/plugins/load/load_hda.py
index b4d38665c1..df77783a34 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/load_hda.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/load_hda.py
@@ -10,7 +10,7 @@ from ayon_core.hosts.houdini.api import pipeline
 class HdaLoader(load.LoaderPlugin):
     """Load Houdini Digital Asset file."""
 
-    product_types = ["hda"]
+    product_types = {"hda"}
     label = "Load Hda"
     representations = ["hda"]
     order = -10
diff --git a/client/ayon_core/hosts/houdini/plugins/load/load_image.py b/client/ayon_core/hosts/houdini/plugins/load/load_image.py
index 148d174652..b77e4f662a 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/load_image.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/load_image.py
@@ -44,7 +44,7 @@ def get_image_avalon_container():
 class ImageLoader(load.LoaderPlugin):
     """Load images into COP2"""
 
-    product_types = ["imagesequence"]
+    product_types = {"imagesequence"}
     label = "Load Image (COP2)"
     representations = ["*"]
     order = -10
diff --git a/client/ayon_core/hosts/houdini/plugins/load/load_redshift_proxy.py b/client/ayon_core/hosts/houdini/plugins/load/load_redshift_proxy.py
index dc353ac1b5..a6556619fc 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/load_redshift_proxy.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/load_redshift_proxy.py
@@ -13,7 +13,7 @@ import hou
 class RedshiftProxyLoader(load.LoaderPlugin):
     """Load Redshift Proxy"""
 
-    product_types = ["redshiftproxy"]
+    product_types = {"redshiftproxy"}
     label = "Load Redshift Proxy"
     representations = ["rs"]
     order = -10
diff --git a/client/ayon_core/hosts/houdini/plugins/load/load_usd_layer.py b/client/ayon_core/hosts/houdini/plugins/load/load_usd_layer.py
index 6169c40f92..19950e2c98 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/load_usd_layer.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/load_usd_layer.py
@@ -9,10 +9,10 @@ from ayon_core.hosts.houdini.api import lib
 class USDSublayerLoader(load.LoaderPlugin):
     """Sublayer USD file in Solaris"""
 
-    product_types = [
+    product_types = {
         "usd",
         "usdCamera",
-    ]
+    }
     label = "Sublayer USD"
     representations = ["usd", "usda", "usdlc", "usdnc", "abc"]
     order = 1
diff --git a/client/ayon_core/hosts/houdini/plugins/load/load_usd_reference.py b/client/ayon_core/hosts/houdini/plugins/load/load_usd_reference.py
index 5b58024c80..25f98c7c7c 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/load_usd_reference.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/load_usd_reference.py
@@ -9,10 +9,10 @@ from ayon_core.hosts.houdini.api import lib
 class USDReferenceLoader(load.LoaderPlugin):
     """Reference USD file in Solaris"""
 
-    product_types = [
+    product_types = {
         "usd",
         "usdCamera",
-    ]
+    }
     label = "Reference USD"
     representations = ["usd", "usda", "usdlc", "usdnc", "abc"]
     order = -8
diff --git a/client/ayon_core/hosts/houdini/plugins/load/load_vdb.py b/client/ayon_core/hosts/houdini/plugins/load/load_vdb.py
index 79797f6b66..d9808020d7 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/load_vdb.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/load_vdb.py
@@ -11,7 +11,7 @@ from ayon_core.hosts.houdini.api import pipeline
 class VdbLoader(load.LoaderPlugin):
     """Load VDB"""
 
-    product_types = ["vdbcache"]
+    product_types = {"vdbcache"}
     label = "Load VDB"
     representations = ["vdb"]
     order = -10
diff --git a/client/ayon_core/hosts/houdini/plugins/load/show_usdview.py b/client/ayon_core/hosts/houdini/plugins/load/show_usdview.py
index 8b668d004f..9506d9dd0c 100644
--- a/client/ayon_core/hosts/houdini/plugins/load/show_usdview.py
+++ b/client/ayon_core/hosts/houdini/plugins/load/show_usdview.py
@@ -11,7 +11,7 @@ class ShowInUsdview(load.LoaderPlugin):
 
     label = "Show in usdview"
     representations = ["*"]
-    product_types = ["*"]
+    product_types = {"*"}
     extensions = {"usd", "usda", "usdlc", "usdnc", "abc"}
     order = 15
 
diff --git a/client/ayon_core/hosts/max/plugins/load/load_camera_fbx.py b/client/ayon_core/hosts/max/plugins/load/load_camera_fbx.py
index e82c6061d9..e1de6b98f9 100644
--- a/client/ayon_core/hosts/max/plugins/load/load_camera_fbx.py
+++ b/client/ayon_core/hosts/max/plugins/load/load_camera_fbx.py
@@ -18,7 +18,7 @@ from ayon_core.pipeline import get_representation_path, load
 class FbxLoader(load.LoaderPlugin):
     """Fbx Loader."""
 
-    product_types = ["camera"]
+    product_types = {"camera"}
     representations = ["fbx"]
     order = -9
     icon = "code-fork"
diff --git a/client/ayon_core/hosts/max/plugins/load/load_max_scene.py b/client/ayon_core/hosts/max/plugins/load/load_max_scene.py
index 7e6a126426..1c2c5317cc 100644
--- a/client/ayon_core/hosts/max/plugins/load/load_max_scene.py
+++ b/client/ayon_core/hosts/max/plugins/load/load_max_scene.py
@@ -72,10 +72,11 @@ class MaterialDupOptionsWindow(QtWidgets.QDialog):
 class MaxSceneLoader(load.LoaderPlugin):
     """Max Scene Loader."""
 
-    product_types = [
+    product_types = {
         "camera",
         "maxScene",
-        "model"]
+        "model",
+    }
 
     representations = ["max"]
     order = -8
diff --git a/client/ayon_core/hosts/max/plugins/load/load_model.py b/client/ayon_core/hosts/max/plugins/load/load_model.py
index 4090692afc..00e675d69c 100644
--- a/client/ayon_core/hosts/max/plugins/load/load_model.py
+++ b/client/ayon_core/hosts/max/plugins/load/load_model.py
@@ -14,7 +14,7 @@ from ayon_core.hosts.max.api.lib import (
 class ModelAbcLoader(load.LoaderPlugin):
     """Loading model with the Alembic loader."""
 
-    product_types = ["model"]
+    product_types = {"model"}
     label = "Load Model with Alembic"
     representations = ["abc"]
     order = -10
diff --git a/client/ayon_core/hosts/max/plugins/load/load_model_fbx.py b/client/ayon_core/hosts/max/plugins/load/load_model_fbx.py
index 1ab59c6cc8..4b87c60de0 100644
--- a/client/ayon_core/hosts/max/plugins/load/load_model_fbx.py
+++ b/client/ayon_core/hosts/max/plugins/load/load_model_fbx.py
@@ -17,7 +17,7 @@ from ayon_core.hosts.max.api.lib import maintained_selection
 class FbxModelLoader(load.LoaderPlugin):
     """Fbx Model Loader."""
 
-    product_types = ["model"]
+    product_types = {"model"}
     representations = ["fbx"]
     order = -9
     icon = "code-fork"
diff --git a/client/ayon_core/hosts/max/plugins/load/load_model_obj.py b/client/ayon_core/hosts/max/plugins/load/load_model_obj.py
index 120c483a7d..4f8a22af07 100644
--- a/client/ayon_core/hosts/max/plugins/load/load_model_obj.py
+++ b/client/ayon_core/hosts/max/plugins/load/load_model_obj.py
@@ -20,7 +20,7 @@ from ayon_core.pipeline import get_representation_path, load
 class ObjLoader(load.LoaderPlugin):
     """Obj Loader."""
 
-    product_types = ["model"]
+    product_types = {"model"}
     representations = ["obj"]
     order = -9
     icon = "code-fork"
diff --git a/client/ayon_core/hosts/max/plugins/load/load_model_usd.py b/client/ayon_core/hosts/max/plugins/load/load_model_usd.py
index 9cc2375cf2..bde23e119e 100644
--- a/client/ayon_core/hosts/max/plugins/load/load_model_usd.py
+++ b/client/ayon_core/hosts/max/plugins/load/load_model_usd.py
@@ -22,7 +22,7 @@ from ayon_core.pipeline import get_representation_path, load
 class ModelUSDLoader(load.LoaderPlugin):
     """Loading model with the USD loader."""
 
-    product_types = ["model"]
+    product_types = {"model"}
     label = "Load Model(USD)"
     representations = ["usda"]
     order = -10
diff --git a/client/ayon_core/hosts/max/plugins/load/load_pointcache.py b/client/ayon_core/hosts/max/plugins/load/load_pointcache.py
index 0a1d6cbd85..7f515ac6a5 100644
--- a/client/ayon_core/hosts/max/plugins/load/load_pointcache.py
+++ b/client/ayon_core/hosts/max/plugins/load/load_pointcache.py
@@ -18,7 +18,7 @@ from ayon_core.hosts.max.api.pipeline import (
 class AbcLoader(load.LoaderPlugin):
     """Alembic loader."""
 
-    product_types = ["camera", "animation", "pointcache"]
+    product_types = {"camera", "animation", "pointcache"}
     label = "Load Alembic"
     representations = ["abc"]
     order = -10
diff --git a/client/ayon_core/hosts/max/plugins/load/load_pointcache_ornatrix.py b/client/ayon_core/hosts/max/plugins/load/load_pointcache_ornatrix.py
index 7e27afd7e8..31d3f02ec0 100644
--- a/client/ayon_core/hosts/max/plugins/load/load_pointcache_ornatrix.py
+++ b/client/ayon_core/hosts/max/plugins/load/load_pointcache_ornatrix.py
@@ -21,7 +21,7 @@ from pymxs import runtime as rt
 class OxAbcLoader(load.LoaderPlugin):
     """Ornatrix Alembic loader."""
 
-    product_types = ["camera", "animation", "pointcache"]
+    product_types = {"camera", "animation", "pointcache"}
     label = "Load Alembic with Ornatrix"
     representations = ["abc"]
     order = -10
diff --git a/client/ayon_core/hosts/max/plugins/load/load_pointcloud.py b/client/ayon_core/hosts/max/plugins/load/load_pointcloud.py
index 6246979de1..c0000c7a79 100644
--- a/client/ayon_core/hosts/max/plugins/load/load_pointcloud.py
+++ b/client/ayon_core/hosts/max/plugins/load/load_pointcloud.py
@@ -17,7 +17,7 @@ from ayon_core.pipeline import get_representation_path, load
 class PointCloudLoader(load.LoaderPlugin):
     """Point Cloud Loader."""
 
-    product_types = ["pointcloud"]
+    product_types = {"pointcloud"}
     representations = ["prt"]
     order = -8
     icon = "code-fork"
diff --git a/client/ayon_core/hosts/max/plugins/load/load_redshift_proxy.py b/client/ayon_core/hosts/max/plugins/load/load_redshift_proxy.py
index 34732a9ef0..ff6811bd1b 100644
--- a/client/ayon_core/hosts/max/plugins/load/load_redshift_proxy.py
+++ b/client/ayon_core/hosts/max/plugins/load/load_redshift_proxy.py
@@ -23,7 +23,7 @@ class RedshiftProxyLoader(load.LoaderPlugin):
     """Load rs files with Redshift Proxy"""
 
     label = "Load Redshift Proxy"
-    product_types = ["redshiftproxy"]
+    product_types = {"redshiftproxy"}
     representations = ["rs"]
     order = -9
     icon = "code-fork"
diff --git a/client/ayon_core/hosts/max/plugins/load/load_tycache.py b/client/ayon_core/hosts/max/plugins/load/load_tycache.py
index 3460b913ed..0244e4e6fc 100644
--- a/client/ayon_core/hosts/max/plugins/load/load_tycache.py
+++ b/client/ayon_core/hosts/max/plugins/load/load_tycache.py
@@ -16,7 +16,7 @@ from ayon_core.pipeline import get_representation_path, load
 class TyCacheLoader(load.LoaderPlugin):
     """TyCache Loader."""
 
-    product_types = ["tycache"]
+    product_types = {"tycache"}
     representations = ["tyc"]
     order = -8
     icon = "code-fork"
diff --git a/client/ayon_core/hosts/maya/plugins/load/_load_animation.py b/client/ayon_core/hosts/maya/plugins/load/_load_animation.py
index b9033bf2e4..884bdd7538 100644
--- a/client/ayon_core/hosts/maya/plugins/load/_load_animation.py
+++ b/client/ayon_core/hosts/maya/plugins/load/_load_animation.py
@@ -46,10 +46,11 @@ def _process_reference(file_url, name, namespace, options):
 class AbcLoader(ayon_core.hosts.maya.api.plugin.ReferenceLoader):
     """Loader to reference an Alembic file"""
 
-    product_types = [
+    product_types = {
         "animation",
         "camera",
-        "pointcache"]
+        "pointcache",
+    }
     representations = ["abc"]
 
     label = "Reference animation"
@@ -76,9 +77,10 @@ class AbcLoader(ayon_core.hosts.maya.api.plugin.ReferenceLoader):
 class FbxLoader(ayon_core.hosts.maya.api.plugin.ReferenceLoader):
     """Loader to reference an Fbx files"""
 
-    product_types = [
+    product_types = {
         "animation",
-        "camera"]
+        "camera",
+    }
     representations = ["fbx"]
 
     label = "Reference animation"
diff --git a/client/ayon_core/hosts/maya/plugins/load/actions.py b/client/ayon_core/hosts/maya/plugins/load/actions.py
index 0cf031d012..a98fe97692 100644
--- a/client/ayon_core/hosts/maya/plugins/load/actions.py
+++ b/client/ayon_core/hosts/maya/plugins/load/actions.py
@@ -13,11 +13,12 @@ import ayon_core.hosts.maya.api.plugin
 class SetFrameRangeLoader(load.LoaderPlugin):
     """Set frame range excluding pre- and post-handles"""
 
-    product_types = [
+    product_types = {
         "animation",
         "camera",
         "proxyAbc",
-        "pointcache"]
+        "pointcache",
+    }
     representations = ["abc"]
 
     label = "Set frame range"
@@ -47,11 +48,12 @@ class SetFrameRangeLoader(load.LoaderPlugin):
 class SetFrameRangeWithHandlesLoader(load.LoaderPlugin):
     """Set frame range including pre- and post-handles"""
 
-    product_types = [
+    product_types = {
         "animation",
         "camera",
         "proxyAbc",
-        "pointcache"]
+        "pointcache",
+    }
     representations = ["abc"]
 
     label = "Set frame range (with handles)"
@@ -93,7 +95,7 @@ class ImportMayaLoader(ayon_core.hosts.maya.api.plugin.Loader):
 
     """
     representations = ["ma", "mb", "obj"]
-    product_types = [
+    product_types = {
         "model",
         "pointcache",
         "proxyAbc",
@@ -106,8 +108,8 @@ class ImportMayaLoader(ayon_core.hosts.maya.api.plugin.Loader):
         "rig",
         "camerarig",
         "staticMesh",
-        "workfile"
-    ]
+        "workfile",
+    }
 
     label = "Import"
     order = 10
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_arnold_standin.py b/client/ayon_core/hosts/maya/plugins/load/load_arnold_standin.py
index 04445e68cf..920ad762b3 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_arnold_standin.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_arnold_standin.py
@@ -29,9 +29,9 @@ def is_sequence(files):
 class ArnoldStandinLoader(load.LoaderPlugin):
     """Load as Arnold standin"""
 
-    product_types = [
+    product_types = {
         "ass", "animation", "model", "proxyAbc", "pointcache", "usd"
-    ]
+    }
     representations = ["ass", "abc", "usda", "usdc", "usd"]
 
     label = "Load as Arnold standin"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_assembly.py b/client/ayon_core/hosts/maya/plugins/load/load_assembly.py
index 1db253822e..a0cbf91905 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_assembly.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_assembly.py
@@ -12,7 +12,7 @@ from ayon_core.hosts.maya.api import setdress
 
 class AssemblyLoader(load.LoaderPlugin):
 
-    product_types = ["assembly"]
+    product_types = {"assembly"}
     representations = ["json"]
 
     label = "Load Set Dress"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_audio.py b/client/ayon_core/hosts/maya/plugins/load/load_audio.py
index 2720a5ddfa..0a40993fcd 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_audio.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_audio.py
@@ -11,7 +11,7 @@ from ayon_core.hosts.maya.api.lib import unique_namespace, get_container_members
 class AudioLoader(load.LoaderPlugin):
     """Specific loader of audio."""
 
-    product_types = ["audio"]
+    product_types = {"audio"}
     label = "Load audio"
     representations = ["wav"]
     icon = "volume-up"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_gpucache.py b/client/ayon_core/hosts/maya/plugins/load/load_gpucache.py
index ca0eadc677..494bc7cfc6 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_gpucache.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_gpucache.py
@@ -15,7 +15,7 @@ from ayon_core.hosts.maya.api.plugin import get_load_color_for_product_type
 class GpuCacheLoader(load.LoaderPlugin):
     """Load Alembic as gpuCache"""
 
-    product_types = ["model", "animation", "proxyAbc", "pointcache"]
+    product_types = {"model", "animation", "proxyAbc", "pointcache"}
     representations = ["abc", "gpu_cache"]
 
     label = "Load Gpu Cache"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_image.py b/client/ayon_core/hosts/maya/plugins/load/load_image.py
index 7db68365ca..4976c46d7f 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_image.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_image.py
@@ -93,7 +93,7 @@ def create_stencil():
 class FileNodeLoader(load.LoaderPlugin):
     """File node loader."""
 
-    product_types = ["image", "plate", "render"]
+    product_types = {"image", "plate", "render"}
     label = "Load file node"
     representations = ["exr", "tif", "png", "jpg"]
     icon = "image"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_image_plane.py b/client/ayon_core/hosts/maya/plugins/load/load_image_plane.py
index 788971fcf8..7d6f7e26cf 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_image_plane.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_image_plane.py
@@ -87,7 +87,7 @@ class CameraWindow(QtWidgets.QDialog):
 class ImagePlaneLoader(load.LoaderPlugin):
     """Specific loader of plate for image planes on selected camera."""
 
-    product_types = ["image", "plate", "render"]
+    product_types = {"image", "plate", "render"}
     label = "Load imagePlane"
     representations = ["mov", "exr", "preview", "png", "jpg"]
     icon = "image"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_look.py b/client/ayon_core/hosts/maya/plugins/load/load_look.py
index a2203b6e9b..f126a1df26 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_look.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_look.py
@@ -17,7 +17,7 @@ from ayon_core.tools.utils import ScrollMessageBox
 class LookLoader(ayon_core.hosts.maya.api.plugin.ReferenceLoader):
     """Specific loader for lookdev"""
 
-    product_types = ["look"]
+    product_types = {"look"}
     representations = ["ma"]
 
     label = "Reference look"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_matchmove.py b/client/ayon_core/hosts/maya/plugins/load/load_matchmove.py
index 749369de87..05da173bb7 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_matchmove.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_matchmove.py
@@ -8,7 +8,7 @@ class MatchmoveLoader(load.LoaderPlugin):
     Supported script types are .py and .mel
     """
 
-    product_types = ["matchmove"]
+    product_types = {"matchmove"}
     representations = ["py", "mel"]
     defaults = ["Camera", "Object", "Mocap"]
 
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_maya_usd.py b/client/ayon_core/hosts/maya/plugins/load/load_maya_usd.py
index 885941ee59..cd73c26de1 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_maya_usd.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_maya_usd.py
@@ -16,7 +16,7 @@ from ayon_core.hosts.maya.api.pipeline import containerise
 class MayaUsdLoader(load.LoaderPlugin):
     """Read USD data in a Maya USD Proxy"""
 
-    product_types = ["model", "usd", "pointcache", "animation"]
+    product_types = {"model", "usd", "pointcache", "animation"}
     representations = ["usd", "usda", "usdc", "usdz", "abc"]
 
     label = "Load USD to Maya Proxy"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_multiverse_usd.py b/client/ayon_core/hosts/maya/plugins/load/load_multiverse_usd.py
index 9d78c63205..984d14dff3 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_multiverse_usd.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_multiverse_usd.py
@@ -20,14 +20,14 @@ from ayon_core.hosts.maya.api.pipeline import containerise
 class MultiverseUsdLoader(load.LoaderPlugin):
     """Read USD data in a Multiverse Compound"""
 
-    product_types = [
+    product_types = {
         "model",
         "usd",
         "mvUsdComposition",
         "mvUsdOverride",
         "pointcache",
-        "animation"
-    ]
+        "animation",
+    }
     representations = ["usd", "usda", "usdc", "usdz", "abc"]
 
     label = "Load USD to Multiverse"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_multiverse_usd_over.py b/client/ayon_core/hosts/maya/plugins/load/load_multiverse_usd_over.py
index 10cf4918a4..dc5bc6ec1c 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_multiverse_usd_over.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_multiverse_usd_over.py
@@ -19,7 +19,7 @@ from ayon_core.hosts.maya.api.pipeline import containerise
 class MultiverseUsdOverLoader(load.LoaderPlugin):
     """Reference file"""
 
-    product_types = ["mvUsdOverride"]
+    product_types = {"mvUsdOverride"}
     representations = ["usda", "usd", "udsz"]
 
     label = "Load Usd Override into Compound"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_redshift_proxy.py b/client/ayon_core/hosts/maya/plugins/load/load_redshift_proxy.py
index a6f0a0878e..63dae87243 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_redshift_proxy.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_redshift_proxy.py
@@ -22,7 +22,7 @@ from ayon_core.hosts.maya.api.plugin import get_load_color_for_product_type
 class RedshiftProxyLoader(load.LoaderPlugin):
     """Load Redshift proxy"""
 
-    product_types = ["redshiftproxy"]
+    product_types = {"redshiftproxy"}
     representations = ["rs"]
 
     label = "Import Redshift Proxy"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_reference.py b/client/ayon_core/hosts/maya/plugins/load/load_reference.py
index a3914f2efe..fdd85eda43 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_reference.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_reference.py
@@ -89,7 +89,7 @@ def preserve_modelpanel_cameras(container, log=None):
 class ReferenceLoader(plugin.ReferenceLoader):
     """Reference file"""
 
-    product_types = [
+    product_types = {
         "model",
         "pointcache",
         "proxyAbc",
@@ -104,8 +104,8 @@ class ReferenceLoader(plugin.ReferenceLoader):
         "staticMesh",
         "skeletalMesh",
         "mvLook",
-        "matchmove"
-    ]
+        "matchmove",
+    }
 
     representations = ["ma", "abc", "fbx", "mb"]
 
@@ -272,7 +272,7 @@ class MayaUSDReferenceLoader(ReferenceLoader):
     """Reference USD file to native Maya nodes using MayaUSDImport reference"""
 
     label = "Reference Maya USD"
-    product_types = ["usd"]
+    product_types = {"usd"}
     representations = ["usd"]
     extensions = {"usd", "usda", "usdc"}
 
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_rendersetup.py b/client/ayon_core/hosts/maya/plugins/load/load_rendersetup.py
index 905be00ae7..6f20e677f0 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_rendersetup.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_rendersetup.py
@@ -24,7 +24,7 @@ import maya.app.renderSetup.model.renderSetup as renderSetup
 class RenderSetupLoader(load.LoaderPlugin):
     """Load json preset for RenderSetup overwriting current one."""
 
-    product_types = ["rendersetup"]
+    product_types = {"rendersetup"}
     representations = ["json"]
     defaults = ['Main']
 
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_vdb_to_arnold.py b/client/ayon_core/hosts/maya/plugins/load/load_vdb_to_arnold.py
index d8cf3774c8..eaa7ff1ae3 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_vdb_to_arnold.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_vdb_to_arnold.py
@@ -12,7 +12,7 @@ from ayon_core.hosts.maya.api.plugin import get_load_color_for_product_type
 class LoadVDBtoArnold(load.LoaderPlugin):
     """Load OpenVDB for Arnold in aiVolume"""
 
-    product_types = ["vdbcache"]
+    product_types = {"vdbcache"}
     representations = ["vdb"]
 
     label = "Load VDB to Arnold"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_vdb_to_redshift.py b/client/ayon_core/hosts/maya/plugins/load/load_vdb_to_redshift.py
index f5ed2dfdc2..1707008b67 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_vdb_to_redshift.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_vdb_to_redshift.py
@@ -18,7 +18,7 @@ class LoadVDBtoRedShift(load.LoaderPlugin):
 
     """
 
-    product_types = ["vdbcache"]
+    product_types = {"vdbcache"}
     representations = ["vdb"]
 
     label = "Load VDB to RedShift"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_vdb_to_vray.py b/client/ayon_core/hosts/maya/plugins/load/load_vdb_to_vray.py
index e5f1674ef3..42d4583d76 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_vdb_to_vray.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_vdb_to_vray.py
@@ -77,7 +77,7 @@ def _fix_duplicate_vvg_callbacks():
 class LoadVDBtoVRay(load.LoaderPlugin):
     """Load OpenVDB in a V-Ray Volume Grid"""
 
-    product_types = ["vdbcache"]
+    product_types = {"vdbcache"}
     representations = ["vdb"]
 
     label = "Load VDB to VRay"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_vrayproxy.py b/client/ayon_core/hosts/maya/plugins/load/load_vrayproxy.py
index b9f144f5da..651197627e 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_vrayproxy.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_vrayproxy.py
@@ -27,7 +27,7 @@ from ayon_core.hosts.maya.api.plugin import get_load_color_for_product_type
 class VRayProxyLoader(load.LoaderPlugin):
     """Load VRay Proxy with Alembic or VrayMesh."""
 
-    product_types = ["vrayproxy", "model", "pointcache", "animation"]
+    product_types = {"vrayproxy", "model", "pointcache", "animation"}
     representations = ["vrmesh", "abc"]
 
     label = "Import VRay Proxy"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_vrayscene.py b/client/ayon_core/hosts/maya/plugins/load/load_vrayscene.py
index 046a94775f..2f4ab1d080 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_vrayscene.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_vrayscene.py
@@ -17,7 +17,7 @@ from ayon_core.hosts.maya.api.plugin import get_load_color_for_product_type
 class VRaySceneLoader(load.LoaderPlugin):
     """Load Vray scene"""
 
-    product_types = ["vrayscene_layer"]
+    product_types = {"vrayscene_layer"}
     representations = ["vrscene"]
 
     label = "Import VRay Scene"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_xgen.py b/client/ayon_core/hosts/maya/plugins/load/load_xgen.py
index 5b7d630dc3..880efd82e1 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_xgen.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_xgen.py
@@ -20,7 +20,7 @@ from ayon_core.pipeline import get_representation_path
 class XgenLoader(ayon_core.hosts.maya.api.plugin.ReferenceLoader):
     """Load Xgen as reference"""
 
-    product_types = ["xgen"]
+    product_types = {"xgen"}
     representations = ["ma", "mb"]
 
     label = "Reference Xgen"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_yeti_cache.py b/client/ayon_core/hosts/maya/plugins/load/load_yeti_cache.py
index 0ae0f95580..8933c4d8a6 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_yeti_cache.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_yeti_cache.py
@@ -36,7 +36,7 @@ def set_attribute(node, attr, value):
 class YetiCacheLoader(load.LoaderPlugin):
     """Load Yeti Cache with one or more Yeti nodes"""
 
-    product_types = ["yeticache", "yetiRig"]
+    product_types = {"yeticache", "yetiRig"}
     representations = ["fur"]
 
     label = "Load Yeti Cache"
diff --git a/client/ayon_core/hosts/maya/plugins/load/load_yeti_rig.py b/client/ayon_core/hosts/maya/plugins/load/load_yeti_rig.py
index 609231900d..74e33c5866 100644
--- a/client/ayon_core/hosts/maya/plugins/load/load_yeti_rig.py
+++ b/client/ayon_core/hosts/maya/plugins/load/load_yeti_rig.py
@@ -7,7 +7,7 @@ from ayon_core.hosts.maya.api import lib
 class YetiRigLoader(plugin.ReferenceLoader):
     """This loader will load Yeti rig."""
 
-    product_types = ["yetiRig"]
+    product_types = {"yetiRig"}
     representations = ["ma"]
 
     label = "Load Yeti Rig"
diff --git a/client/ayon_core/hosts/nuke/plugins/load/actions.py b/client/ayon_core/hosts/nuke/plugins/load/actions.py
index a9086e2ebc..a1b3697ef1 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/actions.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/actions.py
@@ -12,12 +12,13 @@ log = Logger.get_logger(__name__)
 class SetFrameRangeLoader(load.LoaderPlugin):
     """Set frame range excluding pre- and post-handles"""
 
-    product_types = [
+    product_types = {
         "animation",
         "camera",
         "write",
         "yeticache",
-        "pointcache"]
+        "pointcache",
+    }
     representations = ["*"]
     extensions = {"*"}
 
@@ -45,12 +46,13 @@ class SetFrameRangeLoader(load.LoaderPlugin):
 class SetFrameRangeWithHandlesLoader(load.LoaderPlugin):
     """Set frame range including pre- and post-handles"""
 
-    product_types = [
+    product_types = {
         "animation",
         "camera",
         "write",
         "yeticache",
-        "pointcache"]
+        "pointcache",
+    }
     representations = ["*"]
 
     label = "Set frame range (with handles)"
diff --git a/client/ayon_core/hosts/nuke/plugins/load/load_backdrop.py b/client/ayon_core/hosts/nuke/plugins/load/load_backdrop.py
index 321d327fc5..e48dbf5e2f 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/load_backdrop.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/load_backdrop.py
@@ -21,7 +21,7 @@ from ayon_core.hosts.nuke.api import containerise, update_container
 class LoadBackdropNodes(load.LoaderPlugin):
     """Loading Published Backdrop nodes (workfile, nukenodes)"""
 
-    product_types = ["workfile", "nukenodes"]
+    product_types = {"workfile", "nukenodes"}
     representations = ["*"]
     extensions = {"nk"}
 
diff --git a/client/ayon_core/hosts/nuke/plugins/load/load_camera_abc.py b/client/ayon_core/hosts/nuke/plugins/load/load_camera_abc.py
index 574b74e7a1..70b736b1c8 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/load_camera_abc.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/load_camera_abc.py
@@ -20,7 +20,7 @@ class AlembicCameraLoader(load.LoaderPlugin):
     This will load alembic camera into script.
     """
 
-    product_types = ["camera"]
+    product_types = {"camera"}
     representations = ["*"]
     extensions = {"abc"}
 
diff --git a/client/ayon_core/hosts/nuke/plugins/load/load_clip.py b/client/ayon_core/hosts/nuke/plugins/load/load_clip.py
index 9094414080..8a41d854d9 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/load_clip.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/load_clip.py
@@ -35,13 +35,13 @@ class LoadClip(plugin.NukeLoader):
     """
     log = Logger.get_logger(__name__)
 
-    product_types = [
+    product_types = {
         "source",
         "plate",
         "render",
         "prerender",
-        "review"
-    ]
+        "review",
+    }
     representations = ["*"]
     extensions = set(
         ext.lstrip(".") for ext in IMAGE_EXTENSIONS.union(VIDEO_EXTENSIONS)
diff --git a/client/ayon_core/hosts/nuke/plugins/load/load_effects.py b/client/ayon_core/hosts/nuke/plugins/load/load_effects.py
index a0e935f480..f17b179d1b 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/load_effects.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/load_effects.py
@@ -18,7 +18,7 @@ from ayon_core.hosts.nuke.api import (
 class LoadEffects(load.LoaderPlugin):
     """Loading colorspace soft effect exported from nukestudio"""
 
-    product_types = ["effect"]
+    product_types = {"effect"}
     representations = ["*"]
     extensions = {"json"}
 
diff --git a/client/ayon_core/hosts/nuke/plugins/load/load_effects_ip.py b/client/ayon_core/hosts/nuke/plugins/load/load_effects_ip.py
index b5f6509fbe..6b58977a95 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/load_effects_ip.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/load_effects_ip.py
@@ -19,7 +19,7 @@ from ayon_core.hosts.nuke.api import (
 class LoadEffectsInputProcess(load.LoaderPlugin):
     """Loading colorspace soft effect exported from nukestudio"""
 
-    product_types = ["effect"]
+    product_types = {"effect"}
     representations = ["*"]
     extensions = {"json"}
 
diff --git a/client/ayon_core/hosts/nuke/plugins/load/load_gizmo.py b/client/ayon_core/hosts/nuke/plugins/load/load_gizmo.py
index 3113d7194c..6709648ffb 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/load_gizmo.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/load_gizmo.py
@@ -21,7 +21,7 @@ from ayon_core.hosts.nuke.api import (
 class LoadGizmo(load.LoaderPlugin):
     """Loading nuke Gizmo"""
 
-    product_types = ["gizmo"]
+    product_types = {"gizmo"}
     representations = ["*"]
     extensions = {"nk"}
 
diff --git a/client/ayon_core/hosts/nuke/plugins/load/load_gizmo_ip.py b/client/ayon_core/hosts/nuke/plugins/load/load_gizmo_ip.py
index 27e7c17756..3017fa5fc9 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/load_gizmo_ip.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/load_gizmo_ip.py
@@ -23,7 +23,7 @@ from ayon_core.hosts.nuke.api import (
 class LoadGizmoInputProcess(load.LoaderPlugin):
     """Loading colorspace soft effect exported from nukestudio"""
 
-    product_types = ["gizmo"]
+    product_types = {"gizmo"}
     representations = ["*"]
     extensions = {"nk"}
 
diff --git a/client/ayon_core/hosts/nuke/plugins/load/load_image.py b/client/ayon_core/hosts/nuke/plugins/load/load_image.py
index c530d234f5..9d3f9ceea0 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/load_image.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/load_image.py
@@ -23,15 +23,15 @@ from ayon_core.lib.transcoding import (
 class LoadImage(load.LoaderPlugin):
     """Load still image into Nuke"""
 
-    product_types = [
+    product_types = {
         "render2d",
         "source",
         "plate",
         "render",
         "prerender",
         "review",
-        "image"
-    ]
+        "image",
+    }
     representations = ["*"]
     extensions = set(
         ext.lstrip(".") for ext in IMAGE_EXTENSIONS
diff --git a/client/ayon_core/hosts/nuke/plugins/load/load_matchmove.py b/client/ayon_core/hosts/nuke/plugins/load/load_matchmove.py
index a524a6961d..73c21376b4 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/load_matchmove.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/load_matchmove.py
@@ -7,7 +7,7 @@ class MatchmoveLoader(load.LoaderPlugin):
     This will run matchmove script to create track in script.
     """
 
-    product_types = ["matchmove"]
+    product_types = {"matchmove"}
     representations = ["*"]
     extensions = {"py"}
 
diff --git a/client/ayon_core/hosts/nuke/plugins/load/load_model.py b/client/ayon_core/hosts/nuke/plugins/load/load_model.py
index 4ef2721915..971c36b6cf 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/load_model.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/load_model.py
@@ -18,7 +18,7 @@ class AlembicModelLoader(load.LoaderPlugin):
     This will load alembic model or anim into script.
     """
 
-    product_types = ["model", "pointcache", "animation"]
+    product_types = {"model", "pointcache", "animation"}
     representations = ["*"]
     extensions = {"abc"}
 
diff --git a/client/ayon_core/hosts/nuke/plugins/load/load_ociolook.py b/client/ayon_core/hosts/nuke/plugins/load/load_ociolook.py
index 586fbc3209..82addcdfc0 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/load_ociolook.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/load_ociolook.py
@@ -20,7 +20,7 @@ from ayon_core.hosts.nuke.api import (
 class LoadOcioLookNodes(load.LoaderPlugin):
     """Loading Ocio look to the nuke.Node graph"""
 
-    product_types = ["ociolook"]
+    product_types = {"ociolook"}
     representations = ["*"]
     extensions = {"json"}
 
diff --git a/client/ayon_core/hosts/nuke/plugins/load/load_script_precomp.py b/client/ayon_core/hosts/nuke/plugins/load/load_script_precomp.py
index 36e1f09c0a..ccc4164355 100644
--- a/client/ayon_core/hosts/nuke/plugins/load/load_script_precomp.py
+++ b/client/ayon_core/hosts/nuke/plugins/load/load_script_precomp.py
@@ -16,7 +16,7 @@ from ayon_core.hosts.nuke.api import (
 class LinkAsGroup(load.LoaderPlugin):
     """Copy the published file to be pasted at the desired location"""
 
-    product_types = ["workfile", "nukenodes"]
+    product_types = {"workfile", "nukenodes"}
     representations = ["*"]
     extensions = {"nk"}
 
diff --git a/client/ayon_core/hosts/photoshop/plugins/load/load_image.py b/client/ayon_core/hosts/photoshop/plugins/load/load_image.py
index 0cfa9400f3..72df2706b5 100644
--- a/client/ayon_core/hosts/photoshop/plugins/load/load_image.py
+++ b/client/ayon_core/hosts/photoshop/plugins/load/load_image.py
@@ -11,7 +11,7 @@ class ImageLoader(photoshop.PhotoshopLoader):
     Stores the imported asset in a container named after the asset.
     """
 
-    product_types = ["image", "render"]
+    product_types = {"image", "render"}
     representations = ["*"]
 
     def load(self, context, name=None, namespace=None, data=None):
diff --git a/client/ayon_core/hosts/photoshop/plugins/load/load_image_from_sequence.py b/client/ayon_core/hosts/photoshop/plugins/load/load_image_from_sequence.py
index bfedc510e8..25b22f53a4 100644
--- a/client/ayon_core/hosts/photoshop/plugins/load/load_image_from_sequence.py
+++ b/client/ayon_core/hosts/photoshop/plugins/load/load_image_from_sequence.py
@@ -24,7 +24,7 @@ class ImageFromSequenceLoader(photoshop.PhotoshopLoader):
         difficult.
     """
 
-    product_types = ["render"]
+    product_types = {"render"}
     representations = ["*"]
     options = []
 
diff --git a/client/ayon_core/hosts/photoshop/plugins/load/load_reference.py b/client/ayon_core/hosts/photoshop/plugins/load/load_reference.py
index 6ae34503d0..7cd34690f7 100644
--- a/client/ayon_core/hosts/photoshop/plugins/load/load_reference.py
+++ b/client/ayon_core/hosts/photoshop/plugins/load/load_reference.py
@@ -14,7 +14,7 @@ class ReferenceLoader(photoshop.PhotoshopLoader):
     "Cannot write to closing transport", possible refactor.
     """
 
-    product_types = ["image", "render"]
+    product_types = {"image", "render"}
     representations = ["*"]
 
     def load(self, context, name=None, namespace=None, data=None):
diff --git a/client/ayon_core/hosts/resolve/plugins/load/load_clip.py b/client/ayon_core/hosts/resolve/plugins/load/load_clip.py
index 848e6a4a54..c7bced5e8e 100644
--- a/client/ayon_core/hosts/resolve/plugins/load/load_clip.py
+++ b/client/ayon_core/hosts/resolve/plugins/load/load_clip.py
@@ -18,7 +18,7 @@ class LoadClip(plugin.TimelineItemLoader):
     during conforming to project
     """
 
-    product_types = ["render2d", "source", "plate", "render", "review"]
+    product_types = {"render2d", "source", "plate", "render", "review"}
 
     representations = ["*"]
     extensions = set(
diff --git a/client/ayon_core/hosts/substancepainter/plugins/load/load_mesh.py b/client/ayon_core/hosts/substancepainter/plugins/load/load_mesh.py
index cf95f4506c..f2254c0907 100644
--- a/client/ayon_core/hosts/substancepainter/plugins/load/load_mesh.py
+++ b/client/ayon_core/hosts/substancepainter/plugins/load/load_mesh.py
@@ -17,7 +17,7 @@ import qargparse
 class SubstanceLoadProjectMesh(load.LoaderPlugin):
     """Load mesh for project"""
 
-    product_types = ["*"]
+    product_types = {"*"}
     representations = ["abc", "fbx", "obj", "gltf"]
 
     label = "Load mesh"
diff --git a/client/ayon_core/hosts/tvpaint/plugins/load/load_image.py b/client/ayon_core/hosts/tvpaint/plugins/load/load_image.py
index 3576dcea15..e954b72f12 100644
--- a/client/ayon_core/hosts/tvpaint/plugins/load/load_image.py
+++ b/client/ayon_core/hosts/tvpaint/plugins/load/load_image.py
@@ -6,7 +6,7 @@ from ayon_core.hosts.tvpaint.api.lib import execute_george_through_file
 class ImportImage(plugin.Loader):
     """Load image or image sequence to TVPaint as new layer."""
 
-    product_types = ["render", "image", "background", "plate", "review"]
+    product_types = {"render", "image", "background", "plate", "review"}
     representations = ["*"]
 
     label = "Import Image"
diff --git a/client/ayon_core/hosts/tvpaint/plugins/load/load_reference_image.py b/client/ayon_core/hosts/tvpaint/plugins/load/load_reference_image.py
index e7539583be..a3bcf4c144 100644
--- a/client/ayon_core/hosts/tvpaint/plugins/load/load_reference_image.py
+++ b/client/ayon_core/hosts/tvpaint/plugins/load/load_reference_image.py
@@ -20,7 +20,7 @@ from ayon_core.hosts.tvpaint.api.pipeline import (
 class LoadImage(plugin.Loader):
     """Load image or image sequence to TVPaint as new layer."""
 
-    product_types = ["render", "image", "background", "plate", "review"]
+    product_types = {"render", "image", "background", "plate", "review"}
     representations = ["*"]
 
     label = "Load Image"
diff --git a/client/ayon_core/hosts/tvpaint/plugins/load/load_sound.py b/client/ayon_core/hosts/tvpaint/plugins/load/load_sound.py
index d8f22b3008..182d95d6db 100644
--- a/client/ayon_core/hosts/tvpaint/plugins/load/load_sound.py
+++ b/client/ayon_core/hosts/tvpaint/plugins/load/load_sound.py
@@ -22,7 +22,7 @@ class ImportSound(plugin.Loader):
     file contain any audio.
     """
 
-    product_types = ["audio", "review", "plate"]
+    product_types = {"audio", "review", "plate"}
     representations = ["*"]
 
     label = "Import Sound"
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 3d1941d266..56aa67708d 100644
--- a/client/ayon_core/hosts/tvpaint/plugins/load/load_workfile.py
+++ b/client/ayon_core/hosts/tvpaint/plugins/load/load_workfile.py
@@ -24,7 +24,7 @@ from ayon_core.pipeline.version_start import get_versioning_start
 class LoadWorkfile(plugin.Loader):
     """Load workfile."""
 
-    product_types = ["workfile"]
+    product_types = {"workfile"}
     representations = ["tvpp"]
 
     label = "Load Workfile"
diff --git a/client/ayon_core/hosts/unreal/plugins/load/load_alembic_animation.py b/client/ayon_core/hosts/unreal/plugins/load/load_alembic_animation.py
index fbf19832b4..02259b706c 100644
--- a/client/ayon_core/hosts/unreal/plugins/load/load_alembic_animation.py
+++ b/client/ayon_core/hosts/unreal/plugins/load/load_alembic_animation.py
@@ -14,7 +14,7 @@ import unreal  # noqa
 class AnimationAlembicLoader(plugin.Loader):
     """Load Unreal SkeletalMesh from Alembic"""
 
-    product_types = ["animation"]
+    product_types = {"animation"}
     label = "Import Alembic Animation"
     representations = ["abc"]
     icon = "cube"
diff --git a/client/ayon_core/hosts/unreal/plugins/load/load_animation.py b/client/ayon_core/hosts/unreal/plugins/load/load_animation.py
index 3d0a260e4e..0f51ac39e0 100644
--- a/client/ayon_core/hosts/unreal/plugins/load/load_animation.py
+++ b/client/ayon_core/hosts/unreal/plugins/load/load_animation.py
@@ -20,7 +20,7 @@ from ayon_core.hosts.unreal.api import pipeline as unreal_pipeline
 class AnimationFBXLoader(plugin.Loader):
     """Load Unreal SkeletalMesh from FBX."""
 
-    product_types = ["animation"]
+    product_types = {"animation"}
     label = "Import FBX Animation"
     representations = ["fbx"]
     icon = "cube"
diff --git a/client/ayon_core/hosts/unreal/plugins/load/load_camera.py b/client/ayon_core/hosts/unreal/plugins/load/load_camera.py
index b9b67f5f98..285834c911 100644
--- a/client/ayon_core/hosts/unreal/plugins/load/load_camera.py
+++ b/client/ayon_core/hosts/unreal/plugins/load/load_camera.py
@@ -28,7 +28,7 @@ from ayon_core.hosts.unreal.api.pipeline import (
 class CameraLoader(plugin.Loader):
     """Load Unreal StaticMesh from FBX"""
 
-    product_types = ["camera"]
+    product_types = {"camera"}
     label = "Load Camera"
     representations = ["fbx"]
     icon = "cube"
diff --git a/client/ayon_core/hosts/unreal/plugins/load/load_geometrycache_abc.py b/client/ayon_core/hosts/unreal/plugins/load/load_geometrycache_abc.py
index f1cedc575b..44c308069b 100644
--- a/client/ayon_core/hosts/unreal/plugins/load/load_geometrycache_abc.py
+++ b/client/ayon_core/hosts/unreal/plugins/load/load_geometrycache_abc.py
@@ -19,7 +19,7 @@ import unreal  # noqa
 class PointCacheAlembicLoader(plugin.Loader):
     """Load Point Cache from Alembic"""
 
-    product_types = ["model", "pointcache"]
+    product_types = {"model", "pointcache"}
     label = "Import Alembic Point Cache"
     representations = ["abc"]
     icon = "cube"
diff --git a/client/ayon_core/hosts/unreal/plugins/load/load_layout.py b/client/ayon_core/hosts/unreal/plugins/load/load_layout.py
index dcdd51480a..6c667d3d2f 100644
--- a/client/ayon_core/hosts/unreal/plugins/load/load_layout.py
+++ b/client/ayon_core/hosts/unreal/plugins/load/load_layout.py
@@ -40,7 +40,7 @@ from ayon_core.hosts.unreal.api.pipeline import (
 class LayoutLoader(plugin.Loader):
     """Load Layout from a JSON file"""
 
-    product_types = ["layout"]
+    product_types = {"layout"}
     representations = ["json"]
 
     label = "Load Layout"
diff --git a/client/ayon_core/hosts/unreal/plugins/load/load_layout_existing.py b/client/ayon_core/hosts/unreal/plugins/load/load_layout_existing.py
index a50019773f..700b6957a2 100644
--- a/client/ayon_core/hosts/unreal/plugins/load/load_layout_existing.py
+++ b/client/ayon_core/hosts/unreal/plugins/load/load_layout_existing.py
@@ -21,7 +21,7 @@ class ExistingLayoutLoader(plugin.Loader):
     Load Layout for an existing scene, and match the existing assets.
     """
 
-    product_types = ["layout"]
+    product_types = {"layout"}
     representations = ["json"]
 
     label = "Load Layout on Existing Scene"
diff --git a/client/ayon_core/hosts/unreal/plugins/load/load_skeletalmesh_abc.py b/client/ayon_core/hosts/unreal/plugins/load/load_skeletalmesh_abc.py
index ba26bbac59..64b1810080 100644
--- a/client/ayon_core/hosts/unreal/plugins/load/load_skeletalmesh_abc.py
+++ b/client/ayon_core/hosts/unreal/plugins/load/load_skeletalmesh_abc.py
@@ -18,7 +18,7 @@ import unreal  # noqa
 class SkeletalMeshAlembicLoader(plugin.Loader):
     """Load Unreal SkeletalMesh from Alembic"""
 
-    product_types = ["pointcache", "skeletalMesh"]
+    product_types = {"pointcache", "skeletalMesh"}
     label = "Import Alembic Skeletal Mesh"
     representations = ["abc"]
     icon = "cube"
diff --git a/client/ayon_core/hosts/unreal/plugins/load/load_skeletalmesh_fbx.py b/client/ayon_core/hosts/unreal/plugins/load/load_skeletalmesh_fbx.py
index 7fc0420583..f61f0dbc3f 100644
--- a/client/ayon_core/hosts/unreal/plugins/load/load_skeletalmesh_fbx.py
+++ b/client/ayon_core/hosts/unreal/plugins/load/load_skeletalmesh_fbx.py
@@ -18,7 +18,7 @@ import unreal  # noqa
 class SkeletalMeshFBXLoader(plugin.Loader):
     """Load Unreal SkeletalMesh from FBX."""
 
-    product_types = ["rig", "skeletalMesh"]
+    product_types = {"rig", "skeletalMesh"}
     label = "Import FBX Skeletal Mesh"
     representations = ["fbx"]
     icon = "cube"
diff --git a/client/ayon_core/hosts/unreal/plugins/load/load_staticmesh_abc.py b/client/ayon_core/hosts/unreal/plugins/load/load_staticmesh_abc.py
index 9301aacf78..256cb9e8bc 100644
--- a/client/ayon_core/hosts/unreal/plugins/load/load_staticmesh_abc.py
+++ b/client/ayon_core/hosts/unreal/plugins/load/load_staticmesh_abc.py
@@ -18,7 +18,7 @@ import unreal  # noqa
 class StaticMeshAlembicLoader(plugin.Loader):
     """Load Unreal StaticMesh from Alembic"""
 
-    product_types = ["model", "staticMesh"]
+    product_types = {"model", "staticMesh"}
     label = "Import Alembic Static Mesh"
     representations = ["abc"]
     icon = "cube"
diff --git a/client/ayon_core/hosts/unreal/plugins/load/load_staticmesh_fbx.py b/client/ayon_core/hosts/unreal/plugins/load/load_staticmesh_fbx.py
index a7df3d1045..0ec4b1b4f8 100644
--- a/client/ayon_core/hosts/unreal/plugins/load/load_staticmesh_fbx.py
+++ b/client/ayon_core/hosts/unreal/plugins/load/load_staticmesh_fbx.py
@@ -18,7 +18,7 @@ import unreal  # noqa
 class StaticMeshFBXLoader(plugin.Loader):
     """Load Unreal StaticMesh from FBX."""
 
-    product_types = ["model", "staticMesh"]
+    product_types = {"model", "staticMesh"}
     label = "Import FBX Static Mesh"
     representations = ["fbx"]
     icon = "cube"
diff --git a/client/ayon_core/hosts/unreal/plugins/load/load_uasset.py b/client/ayon_core/hosts/unreal/plugins/load/load_uasset.py
index b8ecd40c32..89ef357c89 100644
--- a/client/ayon_core/hosts/unreal/plugins/load/load_uasset.py
+++ b/client/ayon_core/hosts/unreal/plugins/load/load_uasset.py
@@ -15,7 +15,7 @@ import unreal  # noqa
 class UAssetLoader(plugin.Loader):
     """Load UAsset."""
 
-    product_types = ["uasset"]
+    product_types = {"uasset"}
     label = "Load UAsset"
     representations = ["uasset"]
     icon = "cube"
@@ -164,7 +164,7 @@ class UAssetLoader(plugin.Loader):
 class UMapLoader(UAssetLoader):
     """Load Level."""
 
-    product_types = ["uasset"]
+    product_types = {"uasset"}
     label = "Load Level"
     representations = ["umap"]
 
diff --git a/client/ayon_core/hosts/unreal/plugins/load/load_yeticache.py b/client/ayon_core/hosts/unreal/plugins/load/load_yeticache.py
index a3c11544f0..21715a24c6 100644
--- a/client/ayon_core/hosts/unreal/plugins/load/load_yeticache.py
+++ b/client/ayon_core/hosts/unreal/plugins/load/load_yeticache.py
@@ -15,7 +15,7 @@ import unreal  # noqa
 class YetiLoader(plugin.Loader):
     """Load Yeti Cache"""
 
-    product_types = ["yeticacheUE"]
+    product_types = {"yeticacheUE"}
     label = "Import Yeti"
     representations = ["abc"]
     icon = "pagelines"
diff --git a/client/ayon_core/pipeline/load/plugins.py b/client/ayon_core/pipeline/load/plugins.py
index 8c015f19fe..91f839ebf3 100644
--- a/client/ayon_core/pipeline/load/plugins.py
+++ b/client/ayon_core/pipeline/load/plugins.py
@@ -24,7 +24,7 @@ class LoaderPlugin(list):
 
     """
 
-    product_types = []
+    product_types = set()
     representations = []
     extensions = {"*"}
     order = 0
diff --git a/client/ayon_core/plugins/load/copy_file.py b/client/ayon_core/plugins/load/copy_file.py
index b6fe10e170..5e6daa866b 100644
--- a/client/ayon_core/plugins/load/copy_file.py
+++ b/client/ayon_core/plugins/load/copy_file.py
@@ -6,7 +6,7 @@ class CopyFile(load.LoaderPlugin):
     """Copy the published file to be pasted at the desired location"""
 
     representations = ["*"]
-    product_types = ["*"]
+    product_types = {"*"}
 
     label = "Copy File"
     order = 10
diff --git a/client/ayon_core/plugins/load/copy_file_path.py b/client/ayon_core/plugins/load/copy_file_path.py
index 3b0e0fc291..ecde3bc55f 100644
--- a/client/ayon_core/plugins/load/copy_file_path.py
+++ b/client/ayon_core/plugins/load/copy_file_path.py
@@ -6,7 +6,7 @@ from ayon_core.pipeline import load
 class CopyFilePath(load.LoaderPlugin):
     """Copy published file path to clipboard"""
     representations = ["*"]
-    product_types = ["*"]
+    product_types = {"*"}
 
     label = "Copy File Path"
     order = 20
diff --git a/client/ayon_core/plugins/load/delete_old_versions.py b/client/ayon_core/plugins/load/delete_old_versions.py
index 9124278696..04873d8b5c 100644
--- a/client/ayon_core/plugins/load/delete_old_versions.py
+++ b/client/ayon_core/plugins/load/delete_old_versions.py
@@ -27,7 +27,7 @@
 #     sequence_splitter = "__sequence_splitter__"
 #
 #     representations = ["*"]
-#     product_types = ["*"]
+#     product_types = {"*"}
 #     tool_names = ["library_loader"]
 #
 #     label = "Delete Old Versions"
diff --git a/client/ayon_core/plugins/load/delivery.py b/client/ayon_core/plugins/load/delivery.py
index 3529458e70..cfa245d0d2 100644
--- a/client/ayon_core/plugins/load/delivery.py
+++ b/client/ayon_core/plugins/load/delivery.py
@@ -29,7 +29,7 @@ class Delivery(load.ProductLoaderPlugin):
     sequence_splitter = "__sequence_splitter__"
 
     representations = ["*"]
-    product_types = ["*"]
+    product_types = {"*"}
     tool_names = ["library_loader"]
 
     label = "Deliver Versions"
diff --git a/client/ayon_core/plugins/load/open_djv.py b/client/ayon_core/plugins/load/open_djv.py
index efe19161a0..30023ac1f5 100644
--- a/client/ayon_core/plugins/load/open_djv.py
+++ b/client/ayon_core/plugins/load/open_djv.py
@@ -18,7 +18,7 @@ class OpenInDJV(load.LoaderPlugin):
     """Open Image Sequence with system default"""
 
     djv_list = existing_djv_path()
-    product_types = ["*"] if djv_list else []
+    product_types = {"*"} if djv_list else []
     representations = ["*"]
     extensions = {
         "cin", "dpx", "avi", "dv", "gif", "flv", "mkv", "mov", "mpg", "mpeg",
diff --git a/client/ayon_core/plugins/load/open_file.py b/client/ayon_core/plugins/load/open_file.py
index b26b261f10..fc57708cd6 100644
--- a/client/ayon_core/plugins/load/open_file.py
+++ b/client/ayon_core/plugins/load/open_file.py
@@ -18,7 +18,7 @@ def open(filepath):
 class OpenFile(load.LoaderPlugin):
     """Open Image Sequence or Video with system default"""
 
-    product_types = ["render2d"]
+    product_types = {"render2d"}
     representations = ["*"]
 
     label = "Open"
diff --git a/client/ayon_core/plugins/load/push_to_library.py b/client/ayon_core/plugins/load/push_to_library.py
index cd3a5e449d..02d834bc95 100644
--- a/client/ayon_core/plugins/load/push_to_library.py
+++ b/client/ayon_core/plugins/load/push_to_library.py
@@ -12,7 +12,7 @@ class PushToLibraryProject(load.ProductLoaderPlugin):
     is_multiple_contexts_compatible = True
 
     representations = ["*"]
-    product_types = ["*"]
+    product_types = {"*"}
 
     label = "Push to Library project"
     order = 35