From 215d077f3165956b422fd9477ccd364313f60be5 Mon Sep 17 00:00:00 2001
From: Jakub Trllo <43494761+iLLiCiTiT@users.noreply.github.com>
Date: Mon, 1 Dec 2025 13:15:19 +0100
Subject: [PATCH 1/3] pass host_name to 'get_loader_action_plugin_paths'

---
 client/ayon_core/pipeline/actions/loader.py | 22 +++++++++++++++++++--
 1 file changed, 20 insertions(+), 2 deletions(-)

diff --git a/client/ayon_core/pipeline/actions/loader.py b/client/ayon_core/pipeline/actions/loader.py
index 92de9c6cf8..53cc52d39f 100644
--- a/client/ayon_core/pipeline/actions/loader.py
+++ b/client/ayon_core/pipeline/actions/loader.py
@@ -70,7 +70,7 @@ from dataclasses import dataclass
 import ayon_api
 
 from ayon_core import AYON_CORE_ROOT
-from ayon_core.lib import StrEnum, Logger
+from ayon_core.lib import StrEnum, Logger, is_func_signature_supported
 from ayon_core.host import AbstractHost
 from ayon_core.addon import AddonsManager, IPluginPaths
 from ayon_core.settings import get_studio_settings, get_project_settings
@@ -752,6 +752,7 @@ class LoaderActionsContext:
 
     def _get_plugins(self) -> dict[str, LoaderActionPlugin]:
         if self._plugins is None:
+            host_name = self.get_host_name()
             addons_manager = self.get_addons_manager()
             all_paths = [
                 os.path.join(AYON_CORE_ROOT, "plugins", "loader")
@@ -759,7 +760,24 @@ class LoaderActionsContext:
             for addon in addons_manager.addons:
                 if not isinstance(addon, IPluginPaths):
                     continue
-                paths = addon.get_loader_action_plugin_paths()
+
+                try:
+                    if is_func_signature_supported(
+                        addon.get_loader_action_plugin_paths,
+                        host_name
+                    ):
+                        paths = addon.get_loader_action_plugin_paths(
+                            host_name
+                        )
+                    else:
+                        paths = addon.get_loader_action_plugin_paths()
+                except Exception:
+                    self._log.warning(
+                        "Failed to get plugin paths for addon",
+                        exc_info=True
+                    )
+                    continue
+
                 if paths:
                     all_paths.extend(paths)
 

From cd499f495136599f3aeb61618a0dfe2c49df54dc Mon Sep 17 00:00:00 2001
From: Jakub Trllo <43494761+iLLiCiTiT@users.noreply.github.com>
Date: Mon, 1 Dec 2025 15:18:16 +0100
Subject: [PATCH 2/3] change IPluginPaths interface method signature

---
 client/ayon_core/addon/interfaces.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/client/ayon_core/addon/interfaces.py b/client/ayon_core/addon/interfaces.py
index bc44fd2d2e..0a17ec9fb9 100644
--- a/client/ayon_core/addon/interfaces.py
+++ b/client/ayon_core/addon/interfaces.py
@@ -185,9 +185,14 @@ class IPluginPaths(AYONInterface):
         """
         return self._get_plugin_paths_by_type("inventory")
 
-    def get_loader_action_plugin_paths(self) -> list[str]:
+    def get_loader_action_plugin_paths(
+        self, host_name: Optional[str]
+    ) -> list[str]:
         """Receive loader action plugin paths.
 
+        Args:
+            host_name (Optional[str]): Current host name.
+
         Returns:
             list[str]: Paths to loader action plugins.
 

From b0c5b171c9dec840dffb8f3dff88640198031598 Mon Sep 17 00:00:00 2001
From: Roy Nieterau <roy_nieterau@hotmail.com>
Date: Mon, 1 Dec 2025 19:04:23 +0100
Subject: [PATCH 3/3] After OIIO transcoding force the layer name to be ""

---
 client/ayon_core/plugins/publish/extract_review.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/client/ayon_core/plugins/publish/extract_review.py b/client/ayon_core/plugins/publish/extract_review.py
index 16fb22524c..54aa52c3c3 100644
--- a/client/ayon_core/plugins/publish/extract_review.py
+++ b/client/ayon_core/plugins/publish/extract_review.py
@@ -401,6 +401,10 @@ class ExtractReview(pyblish.api.InstancePlugin):
                     new_staging_dir,
                     self.log
                 )
+                # The OIIO conversion will remap the RGBA channels just to
+                # `R,G,B,A` so we will pass the intermediate file to FFMPEG
+                # without layer name.
+                layer_name = ""
 
             try:
                 self._render_output_definitions(