diff --git a/openpype/hosts/hiero/plugins/publish/collect_clip_effects.py b/openpype/hosts/hiero/plugins/publish/collect_clip_effects.py
index d7f646ebc9..44767e458a 100644
--- a/openpype/hosts/hiero/plugins/publish/collect_clip_effects.py
+++ b/openpype/hosts/hiero/plugins/publish/collect_clip_effects.py
@@ -72,9 +72,13 @@ class CollectClipEffects(pyblish.api.InstancePlugin):
 
         subset_split.insert(0, "effect")
 
-        effect_categories = {
-            x["name"]: x["effect_classes"] for x in self.effect_categories
-        }
+        # Need to convert to dict for AYON settings. This isinstance check can
+        # be removed in the future when OpenPype is no longer.
+        effect_categories = self.effect_categories
+        if isinstance(self.effect_categories, list):
+            effect_categories = {
+                x["name"]: x["effect_classes"] for x in self.effect_categories
+            }
 
         category_by_effect = {"": ""}
         for key, values in effect_categories.items():
diff --git a/openpype/hosts/resolve/api/plugin.py b/openpype/hosts/resolve/api/plugin.py
index 2346739e20..fc7900321c 100644
--- a/openpype/hosts/resolve/api/plugin.py
+++ b/openpype/hosts/resolve/api/plugin.py
@@ -409,6 +409,10 @@ class ClipLoader:
         source_in = int(_clip_property("Start"))
         source_out = int(_clip_property("End"))
         source_duration = int(_clip_property("Frames"))
+        # Trim clip start if slate is present
+        if "slate" in self.data["versionData"]["families"]:
+            source_in += 1
+            source_duration = source_out - source_in + 1
 
         if not self.with_handles:
             # Load file without the handles of the source media
@@ -435,7 +439,7 @@ class ClipLoader:
                 handle_start = version_data.get("handleStart", 0)
                 handle_end = version_data.get("handleEnd", 0)
                 frame_start_handle = frame_start - handle_start
-                frame_end_handle = frame_start + handle_end
+                frame_end_handle = frame_end + handle_end
                 database_frame_duration = int(
                     frame_end_handle - frame_start_handle + 1
                 )
diff --git a/openpype/plugins/publish/extract_thumbnail.py b/openpype/plugins/publish/extract_thumbnail.py
index 240e18d213..40e4b23ee0 100644
--- a/openpype/plugins/publish/extract_thumbnail.py
+++ b/openpype/plugins/publish/extract_thumbnail.py
@@ -470,7 +470,15 @@ class ExtractThumbnail(pyblish.api.InstancePlugin):
         # Set video input attributes
         max_int = str(2147483647)
         video_data = get_ffprobe_data(video_file_path, logger=self.log)
-        duration = float(video_data["format"]["duration"])
+        # Use duration of the individual streams since it is returned with
+        # higher decimal precision than 'format.duration'. We need this
+        # more precise value for calculating the correct amount of frames
+        # for higher FPS ranges or decimal ranges, e.g. 29.97 FPS
+        duration = max(
+            float(stream.get("duration", 0))
+            for stream in video_data["streams"]
+            if stream.get("codec_type") == "video"
+        )
 
         cmd_args = [
             "-y",
diff --git a/openpype/settings/defaults/project_settings/hiero.json b/openpype/settings/defaults/project_settings/hiero.json
index 9c83733b09..efd80a8876 100644
--- a/openpype/settings/defaults/project_settings/hiero.json
+++ b/openpype/settings/defaults/project_settings/hiero.json
@@ -69,6 +69,10 @@
             "tags_addition": [
                 "review"
             ]
+        },
+        "CollectClipEffects": {
+            "enabled": true,
+            "effect_categories": {}
         }
     },
     "filters": {},
diff --git a/openpype/settings/entities/schemas/projects_schema/schema_project_hiero.json b/openpype/settings/entities/schemas/projects_schema/schema_project_hiero.json
index d80edf902b..73bd475815 100644
--- a/openpype/settings/entities/schemas/projects_schema/schema_project_hiero.json
+++ b/openpype/settings/entities/schemas/projects_schema/schema_project_hiero.json
@@ -312,6 +312,31 @@
                             "label": "Tags addition"
                         }
                     ]
+                },
+                {
+                    "type": "dict",
+                    "collapsible": true,
+                    "checkbox_key": "enabled",
+                    "key": "CollectClipEffects",
+                    "label": "Collect Clip Effects",
+                    "is_group": true,
+                    "children": [
+                        {
+                            "type": "boolean",
+                            "key": "enabled",
+                            "label": "Enabled"
+                        },
+                        {
+                            "type": "dict-modifiable",
+                            "key": "effect_categories",
+                            "label": "Effect Categories",
+                            "object_type": {
+                                "type": "list",
+                                "key": "effects_classes",
+                                "object_type": "text"
+                            }
+                        }
+                    ]
                 }
             ]
         },