diff --git a/.github/workflows/prerelease.yml b/.github/workflows/prerelease.yml
index 8f51f27994..141dc0696d 100644
--- a/.github/workflows/prerelease.yml
+++ b/.github/workflows/prerelease.yml
@@ -62,7 +62,19 @@ jobs:
     - name: "🖨️ Print changelog to console"
       if: steps.version_type.outputs.type != 'skip'
       run: cat CHANGELOG.md
-    
+
+    - name: 💾 Commit and Tag
+      id: git_commit
+      if: steps.version_type.outputs.type != 'skip'
+      run: |
+        git config user.email ${{ secrets.CI_EMAIL }}
+        git config user.name ${{ secrets.CI_USER }}
+        git add .
+        git commit -m "[Automated] Bump version"
+        tag_name="CI/${{ steps.version.outputs.next_tag }}"
+        echo $tag_name
+        git tag -a $tag_name -m "nightly build"
+
     - name: Push to protected main branch
       uses: CasperWA/push-protected@v2.10.0
       with:
diff --git a/openpype/hosts/hiero/api/otio/hiero_export.py b/openpype/hosts/hiero/api/otio/hiero_export.py
index 1e4088d9c0..64fb81aed4 100644
--- a/openpype/hosts/hiero/api/otio/hiero_export.py
+++ b/openpype/hosts/hiero/api/otio/hiero_export.py
@@ -151,7 +151,7 @@ def create_otio_reference(clip):
     padding = media_source.filenamePadding()
     file_head = media_source.filenameHead()
     is_sequence = not media_source.singleFile()
-    frame_duration = media_source.duration()
+    frame_duration = media_source.duration() - 1
     fps = utils.get_rate(clip) or self.project_fps
     extension = os.path.splitext(path)[-1]
 
diff --git a/openpype/hosts/hiero/plugins/publish/precollect_instances.py b/openpype/hosts/hiero/plugins/publish/precollect_instances.py
index 4eac6a008a..46f0b2440e 100644
--- a/openpype/hosts/hiero/plugins/publish/precollect_instances.py
+++ b/openpype/hosts/hiero/plugins/publish/precollect_instances.py
@@ -296,6 +296,8 @@ class PrecollectInstances(pyblish.api.ContextPlugin):
                 continue
             if otio_clip.name not in track_item.name():
                 continue
+            self.log.debug("__ parent_range: {}".format(parent_range))
+            self.log.debug("__ timeline_range: {}".format(timeline_range))
             if openpype.lib.is_overlapping_otio_ranges(
                     parent_range, timeline_range, strict=True):
 
diff --git a/openpype/hosts/maya/plugins/load/actions.py b/openpype/hosts/maya/plugins/load/actions.py
index 4b7871a40c..253dae1e43 100644
--- a/openpype/hosts/maya/plugins/load/actions.py
+++ b/openpype/hosts/maya/plugins/load/actions.py
@@ -1,7 +1,7 @@
 """A module containing generic loader actions that will display in the Loader.
 
 """
-
+import qargparse
 from openpype.pipeline import load
 from openpype.hosts.maya.api.lib import (
     maintained_selection,
@@ -98,6 +98,15 @@ class ImportMayaLoader(load.LoaderPlugin):
     icon = "arrow-circle-down"
     color = "#775555"
 
+    options = [
+        qargparse.Boolean(
+            "clean_import",
+            label="Clean import",
+            default=False,
+            help="Should all occurences of cbId be purged?"
+        )
+    ]
+
     def load(self, context, name=None, namespace=None, data=None):
         import maya.cmds as cmds
 
@@ -114,13 +123,22 @@ class ImportMayaLoader(load.LoaderPlugin):
         )
 
         with maintained_selection():
-            cmds.file(self.fname,
-                      i=True,
-                      preserveReferences=True,
-                      namespace=namespace,
-                      returnNewNodes=True,
-                      groupReference=True,
-                      groupName="{}:{}".format(namespace, name))
+            nodes = cmds.file(self.fname,
+                              i=True,
+                              preserveReferences=True,
+                              namespace=namespace,
+                              returnNewNodes=True,
+                              groupReference=True,
+                              groupName="{}:{}".format(namespace, name))
+
+            if data.get("clean_import", False):
+                remove_attributes = ["cbId"]
+                for node in nodes:
+                    for attr in remove_attributes:
+                        if cmds.attributeQuery(attr, node=node, exists=True):
+                            full_attr = "{}.{}".format(node, attr)
+                            print("Removing {}".format(full_attr))
+                            cmds.deleteAttr(full_attr)
 
         # We do not containerize imported content, it remains unmanaged
         return
diff --git a/openpype/hosts/photoshop/plugins/publish/collect_batch_data.py b/openpype/hosts/photoshop/plugins/publish/collect_batch_data.py
index 448493d370..2881ef0ea6 100644
--- a/openpype/hosts/photoshop/plugins/publish/collect_batch_data.py
+++ b/openpype/hosts/photoshop/plugins/publish/collect_batch_data.py
@@ -39,6 +39,9 @@ class CollectBatchData(pyblish.api.ContextPlugin):
     def process(self, context):
         self.log.info("CollectBatchData")
         batch_dir = os.environ.get("OPENPYPE_PUBLISH_DATA")
+        if os.environ.get("IS_TEST"):
+            self.log.debug("Automatic testing, no batch data, skipping")
+            return
 
         assert batch_dir, (
             "Missing `OPENPYPE_PUBLISH_DATA`")
diff --git a/openpype/hosts/standalonepublisher/plugins/publish/extract_thumbnail.py b/openpype/hosts/standalonepublisher/plugins/publish/extract_thumbnail.py
index 941a76b05b..3ee2f70809 100644
--- a/openpype/hosts/standalonepublisher/plugins/publish/extract_thumbnail.py
+++ b/openpype/hosts/standalonepublisher/plugins/publish/extract_thumbnail.py
@@ -5,6 +5,7 @@ import openpype.api
 from openpype.lib import (
     get_ffmpeg_tool_path,
     get_ffprobe_streams,
+    path_to_subprocess_arg,
 )
 
 
@@ -37,82 +38,69 @@ class ExtractThumbnailSP(pyblish.api.InstancePlugin):
         if not thumbnail_repre:
             return
 
+        thumbnail_repre.pop("thumbnail")
         files = thumbnail_repre.get("files")
         if not files:
             return
 
         if isinstance(files, list):
-            files_len = len(files)
-            file = str(files[0])
+            first_filename = str(files[0])
         else:
-            files_len = 1
-            file = files
+            first_filename = files
 
         staging_dir = None
-        is_jpeg = False
-        if file.endswith(".jpeg") or file.endswith(".jpg"):
-            is_jpeg = True
 
-        if is_jpeg and files_len == 1:
-            # skip if already is single jpeg file
-            return
+        # Convert to jpeg if not yet
+        full_input_path = os.path.join(
+            thumbnail_repre["stagingDir"], first_filename
+        )
+        self.log.info("input {}".format(full_input_path))
+        with tempfile.NamedTemporaryFile(suffix=".jpg") as tmp:
+            full_thumbnail_path = tmp.name
 
-        elif is_jpeg:
-            # use first frame as thumbnail if is sequence of jpegs
-            full_thumbnail_path = os.path.join(
-                thumbnail_repre["stagingDir"], file
-            )
-            self.log.info(
-                "For thumbnail is used file: {}".format(full_thumbnail_path)
-            )
+        self.log.info("output {}".format(full_thumbnail_path))
 
-        else:
-            # Convert to jpeg if not yet
-            full_input_path = os.path.join(thumbnail_repre["stagingDir"], file)
-            self.log.info("input {}".format(full_input_path))
+        instance.context.data["cleanupFullPaths"].append(full_thumbnail_path)
 
-            full_thumbnail_path = tempfile.mkstemp(suffix=".jpg")[1]
-            self.log.info("output {}".format(full_thumbnail_path))
+        ffmpeg_path = get_ffmpeg_tool_path("ffmpeg")
 
-            ffmpeg_path = get_ffmpeg_tool_path("ffmpeg")
+        ffmpeg_args = self.ffmpeg_args or {}
 
-            ffmpeg_args = self.ffmpeg_args or {}
+        jpeg_items = [
+            path_to_subprocess_arg(ffmpeg_path),
+            # override file if already exists
+            "-y"
+        ]
 
-            jpeg_items = [
-                "\"{}\"".format(ffmpeg_path),
-                # override file if already exists
-                "-y"
-            ]
-
-            # add input filters from peresets
-            jpeg_items.extend(ffmpeg_args.get("input") or [])
-            # input file
-            jpeg_items.append("-i \"{}\"".format(full_input_path))
+        # add input filters from peresets
+        jpeg_items.extend(ffmpeg_args.get("input") or [])
+        # input file
+        jpeg_items.extend([
+            "-i", path_to_subprocess_arg(full_input_path),
             # extract only single file
-            jpeg_items.append("-frames:v 1")
+            "-frames:v", "1",
             # Add black background for transparent images
-            jpeg_items.append((
-                "-filter_complex"
-                " \"color=black,format=rgb24[c]"
+            "-filter_complex", (
+                "\"color=black,format=rgb24[c]"
                 ";[c][0]scale2ref[c][i]"
                 ";[c][i]overlay=format=auto:shortest=1,setsar=1\""
-            ))
+            ),
+        ])
 
-            jpeg_items.extend(ffmpeg_args.get("output") or [])
+        jpeg_items.extend(ffmpeg_args.get("output") or [])
 
-            # output file
-            jpeg_items.append("\"{}\"".format(full_thumbnail_path))
+        # output file
+        jpeg_items.append(path_to_subprocess_arg(full_thumbnail_path))
 
-            subprocess_jpeg = " ".join(jpeg_items)
+        subprocess_jpeg = " ".join(jpeg_items)
 
-            # run subprocess
-            self.log.debug("Executing: {}".format(subprocess_jpeg))
-            openpype.api.run_subprocess(
-                subprocess_jpeg, shell=True, logger=self.log
-            )
+        # run subprocess
+        self.log.debug("Executing: {}".format(subprocess_jpeg))
+        openpype.api.run_subprocess(
+            subprocess_jpeg, shell=True, logger=self.log
+        )
 
         # remove thumbnail key from origin repre
-        thumbnail_repre.pop("thumbnail")
         streams = get_ffprobe_streams(full_thumbnail_path)
         width = height = None
         for stream in streams:
@@ -121,8 +109,7 @@ class ExtractThumbnailSP(pyblish.api.InstancePlugin):
                 height = stream["height"]
                 break
 
-        filename = os.path.basename(full_thumbnail_path)
-        staging_dir = staging_dir or os.path.dirname(full_thumbnail_path)
+        staging_dir, filename = os.path.split(full_thumbnail_path)
 
         # create new thumbnail representation
         representation = {
@@ -130,15 +117,11 @@ class ExtractThumbnailSP(pyblish.api.InstancePlugin):
             'ext': 'jpg',
             'files': filename,
             "stagingDir": staging_dir,
-            "tags": ["thumbnail"],
+            "tags": ["thumbnail", "delete"],
         }
         if width and height:
             representation["width"] = width
             representation["height"] = height
 
-        # # add Delete tag when temp file was rendered
-        if not is_jpeg:
-            representation["tags"].append("delete")
-
         self.log.info(f"New representation {representation}")
         instance.data["representations"].append(representation)
diff --git a/openpype/lib/editorial.py b/openpype/lib/editorial.py
index bf868953ea..1ee21deedc 100644
--- a/openpype/lib/editorial.py
+++ b/openpype/lib/editorial.py
@@ -17,7 +17,7 @@ def otio_range_to_frame_range(otio_range):
     start = _ot.to_frames(
         otio_range.start_time, otio_range.start_time.rate)
     end = start + _ot.to_frames(
-        otio_range.duration, otio_range.duration.rate) - 1
+        otio_range.duration, otio_range.duration.rate)
     return start, end
 
 
@@ -254,7 +254,7 @@ def get_media_range_with_retimes(otio_clip, handle_start, handle_end):
         media_in + source_in + offset_in)
     media_out_trimmed = (
         media_in + source_in + (
-            ((source_range.duration.value - 1) * abs(
+            (source_range.duration.value * abs(
                 time_scalar)) + offset_out))
 
     # calculate available handles
diff --git a/openpype/modules/sync_server/sync_server_module.py b/openpype/modules/sync_server/sync_server_module.py
index 45ff8bc4d1..5a1d8467ec 100644
--- a/openpype/modules/sync_server/sync_server_module.py
+++ b/openpype/modules/sync_server/sync_server_module.py
@@ -921,12 +921,18 @@ class SyncServerModule(OpenPypeModule, ITrayModule):
         if self.enabled:
             for project in self.connection.projects(projection={"name": 1}):
                 project_name = project["name"]
-                project_settings = self.get_sync_project_setting(project_name)
-                if project_settings and project_settings.get("enabled"):
+                if self.is_project_enabled(project_name):
                     enabled_projects.append(project_name)
 
         return enabled_projects
 
+    def is_project_enabled(self, project_name):
+        if self.enabled:
+            project_settings = self.get_sync_project_setting(project_name)
+            if project_settings and project_settings.get("enabled"):
+                return True
+        return False
+
     def handle_alternate_site(self, collection, representation, processed_site,
                               file_id, synced_file_id):
         """
diff --git a/openpype/pipeline/context_tools.py b/openpype/pipeline/context_tools.py
index cda9b10f44..e849f5b0d1 100644
--- a/openpype/pipeline/context_tools.py
+++ b/openpype/pipeline/context_tools.py
@@ -116,10 +116,14 @@ def install_openpype_plugins(project_name=None, host_name=None):
     pyblish.api.register_discovery_filter(filter_pyblish_plugins)
     register_loader_plugin_path(LOAD_PATH)
 
+    modules_manager = ModulesManager()
+    publish_plugin_dirs = modules_manager.collect_plugin_paths()["publish"]
+    for path in publish_plugin_dirs:
+        pyblish.api.register_plugin_path(path)
+
     if host_name is None:
         host_name = os.environ.get("AVALON_APP")
 
-    modules_manager = ModulesManager()
     creator_paths = modules_manager.collect_creator_plugin_paths(host_name)
     for creator_path in creator_paths:
         register_creator_plugin_path(creator_path)
diff --git a/openpype/settings/defaults/project_settings/deadline.json b/openpype/settings/defaults/project_settings/deadline.json
index f0b2a7e555..5c5a14bf21 100644
--- a/openpype/settings/defaults/project_settings/deadline.json
+++ b/openpype/settings/defaults/project_settings/deadline.json
@@ -98,4 +98,4 @@
             }
         }
     }
-}
+}
\ No newline at end of file
diff --git a/openpype/settings/defaults/project_settings/nuke.json b/openpype/settings/defaults/project_settings/nuke.json
index 128d440732..33ddc2f251 100644
--- a/openpype/settings/defaults/project_settings/nuke.json
+++ b/openpype/settings/defaults/project_settings/nuke.json
@@ -87,7 +87,8 @@
                 "camera",
                 "gizmo",
                 "source",
-                "render"
+                "render",
+                "write"
             ]
         },
         "ValidateInstanceInContext": {
diff --git a/openpype/settings/entities/schemas/projects_schema/schemas/schema_nuke_publish.json b/openpype/settings/entities/schemas/projects_schema/schemas/schema_nuke_publish.json
index 94b52bba13..04df957d67 100644
--- a/openpype/settings/entities/schemas/projects_schema/schemas/schema_nuke_publish.json
+++ b/openpype/settings/entities/schemas/projects_schema/schemas/schema_nuke_publish.json
@@ -41,6 +41,9 @@
                         },
                         {
                             "render": "render"
+                        },
+                        {
+                            "write": "write"
                         }
                     ]
                 }
diff --git a/openpype/tools/loader/model.py b/openpype/tools/loader/model.py
index 8cb8f30013..6f39c428be 100644
--- a/openpype/tools/loader/model.py
+++ b/openpype/tools/loader/model.py
@@ -1,6 +1,7 @@
 import copy
 import re
 import math
+import time
 from uuid import uuid4
 
 from Qt import QtCore, QtGui
@@ -38,6 +39,14 @@ def is_filtering_recursible():
 
 class BaseRepresentationModel(object):
     """Methods for SyncServer useful in multiple models"""
+    # Cheap & hackish way how to avoid refreshing of whole sync server module
+    #   on each selection change
+    _last_project = None
+    _modules_manager = None
+    _last_project_cache = 0
+    _last_manager_cache = 0
+    _max_project_cache_time = 30
+    _max_manager_cache_time = 60
 
     def reset_sync_server(self, project_name=None):
         """Sets/Resets sync server vars after every change (refresh.)"""
@@ -47,28 +56,53 @@ class BaseRepresentationModel(object):
         remote_site = remote_provider = None
 
         if not project_name:
-            project_name = self.dbcon.Session["AVALON_PROJECT"]
+            project_name = self.dbcon.Session.get("AVALON_PROJECT")
         else:
             self.dbcon.Session["AVALON_PROJECT"] = project_name
 
-        if project_name:
-            manager = ModulesManager()
-            sync_server = manager.modules_by_name["sync_server"]
+        if not project_name:
+            self.repre_icons = repre_icons
+            self.sync_server = sync_server
+            self.active_site = active_site
+            self.active_provider = active_provider
+            self.remote_site = remote_site
+            self.remote_provider = remote_provider
+            return
 
-            if project_name in sync_server.get_enabled_projects():
-                active_site = sync_server.get_active_site(project_name)
-                active_provider = sync_server.get_provider_for_site(
-                    project_name, active_site)
-                if active_site == 'studio':  # for studio use explicit icon
-                    active_provider = 'studio'
+        now_time = time.time()
+        project_cache_diff = now_time - self._last_project_cache
+        if project_cache_diff > self._max_project_cache_time:
+            self._last_project = None
 
-                remote_site = sync_server.get_remote_site(project_name)
-                remote_provider = sync_server.get_provider_for_site(
-                    project_name, remote_site)
-                if remote_site == 'studio':  # for studio use explicit icon
-                    remote_provider = 'studio'
+        if project_name == self._last_project:
+            return
 
-                repre_icons = lib.get_repre_icons()
+        self._last_project = project_name
+        self._last_project_cache = now_time
+
+        manager_cache_diff = now_time - self._last_manager_cache
+        if manager_cache_diff > self._max_manager_cache_time:
+            self._modules_manager = None
+
+        if self._modules_manager is None:
+            self._modules_manager = ModulesManager()
+            self._last_manager_cache = now_time
+
+        sync_server = self._modules_manager.modules_by_name["sync_server"]
+        if sync_server.is_project_enabled(project_name):
+            active_site = sync_server.get_active_site(project_name)
+            active_provider = sync_server.get_provider_for_site(
+                project_name, active_site)
+            if active_site == 'studio':  # for studio use explicit icon
+                active_provider = 'studio'
+
+            remote_site = sync_server.get_remote_site(project_name)
+            remote_provider = sync_server.get_provider_for_site(
+                project_name, remote_site)
+            if remote_site == 'studio':  # for studio use explicit icon
+                remote_provider = 'studio'
+
+            repre_icons = lib.get_repre_icons()
 
         self.repre_icons = repre_icons
         self.sync_server = sync_server
diff --git a/openpype/tools/standalonepublish/widgets/widget_components.py b/openpype/tools/standalonepublish/widgets/widget_components.py
index fbafc7142a..b3280089c3 100644
--- a/openpype/tools/standalonepublish/widgets/widget_components.py
+++ b/openpype/tools/standalonepublish/widgets/widget_components.py
@@ -202,6 +202,7 @@ def cli_publish(data, publish_paths, gui=True):
     if os.path.exists(json_data_path):
         with open(json_data_path, "r") as f:
             result = json.load(f)
+        os.remove(json_data_path)
 
     log.info(f"Publish result: {result}")
 
diff --git a/start.py b/start.py
index 6e339fabab..ace33ab92a 100644
--- a/start.py
+++ b/start.py
@@ -386,18 +386,6 @@ def set_modules_environments():
     modules_manager = ModulesManager()
 
     module_envs = modules_manager.collect_global_environments()
-    publish_plugin_dirs = modules_manager.collect_plugin_paths()["publish"]
-
-    # Set pyblish plugins paths if any module want to register them
-    if publish_plugin_dirs:
-        publish_paths_str = os.environ.get("PYBLISHPLUGINPATH") or ""
-        publish_paths = publish_paths_str.split(os.pathsep)
-        _publish_paths = {
-            os.path.normpath(path) for path in publish_paths if path
-        }
-        for path in publish_plugin_dirs:
-            _publish_paths.add(os.path.normpath(path))
-        module_envs["PYBLISHPLUGINPATH"] = os.pathsep.join(_publish_paths)
 
     # Merge environments with current environments and update values
     if module_envs: