diff --git a/Makefile b/Makefile
index 3f164c5c26..dc1e70b51e 100644
--- a/Makefile
+++ b/Makefile
@@ -38,7 +38,7 @@ migrate:
 # 4) Remove the management command from this `deploy-migrate` recipe
 # 5) Repeat!
 deploy-migrate:
-	python contentcuration/manage.py fix_exercise_extra_fields
+	echo "Nothing to do here!"
 
 contentnodegc:
 	python contentcuration/manage.py garbage_collect
diff --git a/contentcuration/contentcuration/frontend/shared/leUtils/Languages.js b/contentcuration/contentcuration/frontend/shared/leUtils/Languages.js
index 32365b7132..7c95090633 100644
--- a/contentcuration/contentcuration/frontend/shared/leUtils/Languages.js
+++ b/contentcuration/contentcuration/frontend/shared/leUtils/Languages.js
@@ -184,7 +184,7 @@ const LanguagesMap = new Map([
       lang_subcode: null,
       readable_name: 'Brahui',
       native_name: 'Brahui',
-      lang_direction: 'ltr',
+      lang_direction: 'rtl',
     },
   ],
   [
@@ -1130,7 +1130,7 @@ const LanguagesMap = new Map([
       lang_subcode: null,
       readable_name: 'Northern Pashto',
       native_name: 'Northern Pashto',
-      lang_direction: 'ltr',
+      lang_direction: 'rtl',
     },
   ],
   [
@@ -1471,7 +1471,7 @@ const LanguagesMap = new Map([
       lang_subcode: null,
       readable_name: 'Southern Balochi',
       native_name: 'Southern Balochi',
-      lang_direction: 'ltr',
+      lang_direction: 'rtl',
     },
   ],
   [
@@ -1626,7 +1626,7 @@ const LanguagesMap = new Map([
       lang_subcode: null,
       readable_name: 'Uighur; Uyghur',
       native_name: 'Uy\u01a3urq\u0259, \u0626\u06c7\u064a\u063a\u06c7\u0631\u0686\u06d5\u200e',
-      lang_direction: 'ltr',
+      lang_direction: 'rtl',
     },
   ],
   [
@@ -2540,6 +2540,17 @@ const LanguagesMap = new Map([
       lang_direction: 'rtl',
     },
   ],
+  [
+    'prs',
+    {
+      id: 'prs',
+      lang_code: 'prs',
+      lang_subcode: null,
+      readable_name: 'Dari',
+      native_name: '\u062f\u0631\u06cc',
+      lang_direction: 'rtl',
+    },
+  ],
   [
     'arq',
     {
@@ -2604,7 +2615,7 @@ const LanguagesMap = new Map([
       readable_name: 'Kashmiri',
       native_name:
         '\u0915\u0936\u094d\u092e\u0940\u0930\u0940, \u0643\u0634\u0645\u064a\u0631\u064a\u200e',
-      lang_direction: 'ltr',
+      lang_direction: 'rtl',
     },
   ],
   [
@@ -2740,7 +2751,7 @@ const LanguagesMap = new Map([
       readable_name: 'Sindhi',
       native_name:
         '\u0938\u093f\u0928\u094d\u0927\u0940, \u0633\u0646\u068c\u064a\u060c \u0633\u0646\u062f\u06be\u06cc\u200e',
-      lang_direction: 'ltr',
+      lang_direction: 'rtl',
     },
   ],
   [
@@ -2784,7 +2795,7 @@ const LanguagesMap = new Map([
       lang_subcode: null,
       readable_name: 'Punjabi',
       native_name: '\u0a2a\u0a70\u0a1c\u0a3e\u0a2c\u0a40',
-      lang_direction: 'ltr',
+      lang_direction: 'rtl',
     },
   ],
   [
@@ -3390,6 +3401,7 @@ export const LanguagesNames = {
   HE: 'he',
   UR: 'ur',
   AR: 'ar',
+  PRS: 'prs',
   ARQ: 'arq',
   FA: 'fa',
   PS: 'ps',
diff --git a/contentcuration/contentcuration/frontend/shared/leUtils/MasteryModels.js b/contentcuration/contentcuration/frontend/shared/leUtils/MasteryModels.js
index 57240f5c47..a909b5eefb 100644
--- a/contentcuration/contentcuration/frontend/shared/leUtils/MasteryModels.js
+++ b/contentcuration/contentcuration/frontend/shared/leUtils/MasteryModels.js
@@ -2,6 +2,7 @@
 const MasteryModels = new Set([
   'do_all',
   'm_of_n',
+  'pre_post_test',
   'num_correct_in_a_row_2',
   'num_correct_in_a_row_3',
   'num_correct_in_a_row_5',
@@ -15,6 +16,7 @@ export const MasteryModelsList = Array.from(MasteryModels);
 export const MasteryModelsNames = {
   DO_ALL: 'do_all',
   M_OF_N: 'm_of_n',
+  PRE_POST_TEST: 'pre_post_test',
   NUM_CORRECT_IN_A_ROW_2: 'num_correct_in_a_row_2',
   NUM_CORRECT_IN_A_ROW_3: 'num_correct_in_a_row_3',
   NUM_CORRECT_IN_A_ROW_5: 'num_correct_in_a_row_5',
diff --git a/contentcuration/contentcuration/tests/test_contentnodes.py b/contentcuration/contentcuration/tests/test_contentnodes.py
index 0de23ab008..13b62fff17 100644
--- a/contentcuration/contentcuration/tests/test_contentnodes.py
+++ b/contentcuration/contentcuration/tests/test_contentnodes.py
@@ -824,6 +824,27 @@ def test_sync_after_no_changes(self):
         )
         self._assert_same_files(orig_video, cloned_video)
 
+    def test_sync_but_incomplete(self):
+        orig_video, cloned_video = self._setup_original_and_deriative_nodes()
+        orig_video.license_id = None
+        orig_video.mark_complete()
+        self.assertFalse(orig_video.complete)
+        orig_video.save()
+
+        self.assertTrue(cloned_video.complete)
+
+        sync_node(
+            cloned_video,
+            sync_titles_and_descriptions=True,
+            sync_resource_details=True,
+            sync_files=True,
+            sync_assessment_items=True,
+        )
+
+        self.assertIsNotNone(cloned_video.license_id)
+        cloned_video.mark_complete()
+        self.assertTrue(cloned_video.complete)
+
     def test_sync_with_subs(self):
         orig_video, cloned_video = self._setup_original_and_deriative_nodes()
         self._add_subs_to_video_node(orig_video, "fr")
@@ -868,6 +889,13 @@ def _create_video_node(self, title, parent, withsubs=False):
             node_id="aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
         )
         video_node = testdata.node(data, parent=parent)
+        video_node.license_id = 9  # Special Permissions
+        video_node.license_description = "Special permissions for testing"
+        video_node.copyright_holder = "LE"
+        # ensure the node is complete according to our logic
+        video_node.mark_complete()
+        self.assertTrue(video_node.complete)
+        video_node.save()
 
         if withsubs:
             self._add_subs_to_video_node(video_node, "fr")
diff --git a/contentcuration/contentcuration/utils/sync.py b/contentcuration/contentcuration/utils/sync.py
index 2987d1c75b..6f175d9a4f 100644
--- a/contentcuration/contentcuration/utils/sync.py
+++ b/contentcuration/contentcuration/utils/sync.py
@@ -53,11 +53,14 @@ def sync_node(
     sync_assessment_items=False,
 ):
     original_node = node.get_original_node()
+    if not original_node.complete:
+        logging.warning(
+            f"Refusing to sync node {node.pk} from incomplete source node: {original_node.pk}"
+        )
+        return node
     if original_node.node_id != node.node_id:  # Only update if node is not original
         logging.info(
-            "----- Syncing: {} from {}".format(
-                node.title, original_node.get_channel().name
-            )
+            f"----- Syncing: {node.title} from {original_node.get_channel().name}"
         )
         if sync_titles_and_descriptions:
             fields = [
diff --git a/requirements.in b/requirements.in
index c86a1d37c3..892f8c08be 100644
--- a/requirements.in
+++ b/requirements.in
@@ -5,7 +5,7 @@ djangorestframework==3.15.1
 psycopg2-binary==2.9.10
 django-js-reverse==0.10.2
 django-registration==3.4
-le-utils==0.2.14
+le-utils==0.2.16
 gunicorn==23.0.0
 django-postmark==0.1.6
 jsonfield==3.1.0
diff --git a/requirements.txt b/requirements.txt
index 2e227661d1..e188c0f7a8 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -162,7 +162,7 @@ language-data==1.3.0
     # via langcodes
 latex2mathml==3.78.0
     # via -r requirements.in
-le-utils==0.2.14
+le-utils==0.2.16
     # via -r requirements.in
 marisa-trie==1.2.1
     # via language-data