diff --git a/django/cantusdb_project/main_app/forms.py b/django/cantusdb_project/main_app/forms.py
index 8ec2597c7..ad150622b 100644
--- a/django/cantusdb_project/main_app/forms.py
+++ b/django/cantusdb_project/main_app/forms.py
@@ -89,13 +89,14 @@ class CantusDBLatinField(forms.CharField):
 
     def validate(self, value):
         super().validate(value)
-        if value:
-            try:
-                syllabify_text(value)
-            except LatinError as err:
-                raise forms.ValidationError(str(err))
-            except ValueError as exc:
-                raise forms.ValidationError("Invalid characters in text.") from exc
+        # Temporarily turn off validation; see #1674
+        # if value:
+        #     try:
+        #         syllabify_text(value)
+        #     except LatinError as err:
+        #         raise forms.ValidationError(str(err))
+        #     except ValueError as exc:
+        #         raise forms.ValidationError("Invalid characters in text.") from exc
 
 
 class CantusDBSyllabifiedLatinField(forms.CharField):
@@ -107,11 +108,12 @@ class CantusDBSyllabifiedLatinField(forms.CharField):
 
     def validate(self, value):
         super().validate(value)
-        if value:
-            try:
-                syllabify_text(value, text_presyllabified=True)
-            except ValueError as exc:
-                raise forms.ValidationError("Invalid characters in text.") from exc
+        # Temporarily turn off validation; see #1674
+        # if value:
+        #     try:
+        #         syllabify_text(value, text_presyllabified=True)
+        #     except ValueError as exc:
+        #         raise forms.ValidationError("Invalid characters in text.") from exc
 
 
 class StyledChoiceField(forms.ChoiceField):
diff --git a/django/cantusdb_project/main_app/templates/chant_create.html b/django/cantusdb_project/main_app/templates/chant_create.html
index 4b29bb0bb..69f36bc25 100644
--- a/django/cantusdb_project/main_app/templates/chant_create.html
+++ b/django/cantusdb_project/main_app/templates/chant_create.html
@@ -291,7 +291,7 @@ <h3>Create Chant</h3>
 {% block lowersidebar %}
     <div class="card w-100 mb-3">
         <div class="card-header">
-            <h5><a id="source" href="{% url 'source-detail' source.id %}">{{ source.siglum }}</a></h5>
+            <h5><a id="source" href="{% url 'source-detail' source.id %}">{{ source.short_heading }}</a></h5>
         </div>
     </div>
 
diff --git a/django/cantusdb_project/main_app/templates/chant_detail.html b/django/cantusdb_project/main_app/templates/chant_detail.html
index a46a18156..8dc281851 100644
--- a/django/cantusdb_project/main_app/templates/chant_detail.html
+++ b/django/cantusdb_project/main_app/templates/chant_detail.html
@@ -38,7 +38,7 @@ <h3>{{ chant.incipit }}</h3>
                 <div class="col">
                     <dt>Source</dt>
                     <dd>
-                        <a href="{% url 'source-detail' chant.source.id %}">{{ chant.source.title }}</a>
+                        <a href="{% url 'source-detail' chant.source.id %}">{{ chant.source.heading }}</a>
                     </dd>
                 </div>
             {% endif %}
@@ -312,7 +312,7 @@ <h4>List of melodies</h4>
                 <b>Source navigation</b>
                 <br>
                 {% if source %}
-                    <a href="{% url 'source-detail' source.id %}" title="{{ source.title }}"> <b>{{ source.siglum }}</b> </a>
+                    <a href="{% url 'source-detail' source.id %}" title="{{ source.heading }}"> <b>{{ source.short_heading }}</b> </a>
                 {% else %}
                     This chant is not associated with any source. 
                 {% endif %}                            
@@ -465,7 +465,7 @@ <h4>List of melodies</h4>
                 <div class="card-header">
                     <small><a href="/sources?segment={{ source.segment.id }}">{{ source.segment.name }}</a></small>
                     <br>
-                    <span title="{{ source.title }}">{{ source.siglum }}</span>
+                    <span title="{{ source.heading }}">{{ source.short_heading }}</span>
                 </div>
                 <div class=" card-body">
                     <small>
diff --git a/django/cantusdb_project/main_app/templates/chant_edit.html b/django/cantusdb_project/main_app/templates/chant_edit.html
index 47860c7d5..987e398e6 100644
--- a/django/cantusdb_project/main_app/templates/chant_edit.html
+++ b/django/cantusdb_project/main_app/templates/chant_edit.html
@@ -2,7 +2,7 @@
 {% load static %}
 
 {% block title %}
-    <title>{{ source.title }} | Cantus Database</title>
+    <title>{{ source.heading }} | Cantus Database</title>
 {% endblock %}
 
 {% block scripts %}
@@ -362,8 +362,8 @@ <h3>Full text &amp; Volpiano edit form</h3>
             <dd><small>5) Click <b>"SAVE"</b></small></dd>
         </dl>
         <div style="margin-top:5px;">
-            <a href="{% url 'source-detail' source.id %}" title="{{ source.title }}">
-                {{ source.siglum }}
+            <a href="{% url 'source-detail' source.id %}" title="{{ source.heading }}">
+                {{ source.short_heading }}
             </a>
         </div>
         <div style="margin-top:5px;">
@@ -382,7 +382,7 @@ <h3>Full text &amp; Volpiano edit form</h3>
 {% block lowersidebar %}
     <div class="card mb-3 w-100">
         <div class="card-header">
-            <h4><a href="{% url 'source-detail' source.id %}" title="{{ source.title }}">{{ source.siglum }}</a></h4>
+            <h4><a href="{% url 'source-detail' source.id %}" title="{{ source.heading }}">{{ source.short_heading }}</a></h4>
         </div>
         <div class="card-body">
             {% if source.chant_set.exists %}
diff --git a/django/cantusdb_project/main_app/templates/full_inventory.html b/django/cantusdb_project/main_app/templates/full_inventory.html
index 07ee1827e..e018a2a5b 100644
--- a/django/cantusdb_project/main_app/templates/full_inventory.html
+++ b/django/cantusdb_project/main_app/templates/full_inventory.html
@@ -20,7 +20,7 @@
 <body>
     <title>Inventory | Cantus Database</title>
     <h3>Cantus Inventory: 
-        <a href="{% url 'source-detail' source.id %}" target="_href">{{ source.title }}</a>
+        <a href="{% url 'source-detail' source.id %}" target="_href">{{ source.heading }}</a>
     </h3>
     This source inventory contains {{ chants.count }} chants.
     <table class="table table-sm small table-bordered table-striped table-hover">
diff --git a/django/cantusdb_project/main_app/templates/source_edit.html b/django/cantusdb_project/main_app/templates/source_edit.html
index b953367b5..ecc7539f2 100644
--- a/django/cantusdb_project/main_app/templates/source_edit.html
+++ b/django/cantusdb_project/main_app/templates/source_edit.html
@@ -250,7 +250,7 @@ <h3>
 {% block lowersidebar %}
     <div class="card mb-3 w-100">
         <div class="card-header">
-            <h4>{{ source.siglum }}</h4>
+            <h4>{{ source.short_heading }}</h4>
         </div>
         <div class="card-body">
             <small>
diff --git a/django/cantusdb_project/main_app/templates/user_detail.html b/django/cantusdb_project/main_app/templates/user_detail.html
index 260a41654..16735d703 100644
--- a/django/cantusdb_project/main_app/templates/user_detail.html
+++ b/django/cantusdb_project/main_app/templates/user_detail.html
@@ -64,7 +64,7 @@ <h5>Entered Melodies</h5>
             <ul>
                 {% for source in melody_sources %}
                     <li>
-                        <a href="{% url 'source-detail' source.id %}" title="{{ source.title }}">{{ source.siglum }}</a> ({{ source.title }})
+                        <a href="{% url 'source-detail' source.id %}" title="{{ source.heading }}">{{ source.short_heading }}</a> ({{ source.heading }})
                     </li>
                 {% endfor %}
             </ul>
diff --git a/django/cantusdb_project/main_app/tests/test_views/test_chant.py b/django/cantusdb_project/main_app/tests/test_views/test_chant.py
index d91ef212c..9692c8e36 100644
--- a/django/cantusdb_project/main_app/tests/test_views/test_chant.py
+++ b/django/cantusdb_project/main_app/tests/test_views/test_chant.py
@@ -3,6 +3,7 @@
 """
 
 from unittest.mock import patch
+from unittest import skip
 import random
 from typing import ClassVar
 
@@ -322,6 +323,7 @@ def test_proofread_chant(self):
         chant.refresh_from_db()
         self.assertIs(chant.manuscript_full_text_std_proofread, True)
 
+    @skip("Temporarily disabled due to #1674")
     def test_invalid_text(self) -> None:
         """
         The user should not be able to create a chant with invalid text
@@ -3000,6 +3002,7 @@ def test_suggested_chant_buttons(self) -> None:
             )
             self.assertIsNone(response_after_rare_chant.context["suggested_chants"])
 
+    @skip("Temporarily disabled due to #1674")
     def test_invalid_text(self) -> None:
         """
         The user should not be able to create a chant with invalid text
diff --git a/poetry.lock b/poetry.lock
index ee432f035..972b80c3d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1,4 +1,4 @@
-# This file is automatically @generated by Poetry 1.8.2 and should not be changed by hand.
+# This file is automatically @generated by Poetry 1.8.3 and should not be changed by hand.
 
 [[package]]
 name = "asgiref"
@@ -295,13 +295,13 @@ profile = ["gprof2dot (>=2022.7.29)"]
 
 [[package]]
 name = "django"
-version = "4.2.14"
+version = "4.2.16"
 description = "A high-level Python web framework that encourages rapid development and clean, pragmatic design."
 optional = false
 python-versions = ">=3.8"
 files = [
-    {file = "Django-4.2.14-py3-none-any.whl", hash = "sha256:3ec32bc2c616ab02834b9cac93143a7dc1cdcd5b822d78ac95fc20a38c534240"},
-    {file = "Django-4.2.14.tar.gz", hash = "sha256:fc6919875a6226c7ffcae1a7d51e0f2ceaf6f160393180818f6c95f51b1e7b96"},
+    {file = "Django-4.2.16-py3-none-any.whl", hash = "sha256:1ddc333a16fc139fd253035a1606bb24261951bbc3a6ca256717fa06cc41a898"},
+    {file = "Django-4.2.16.tar.gz", hash = "sha256:6f1616c2786c408ce86ab7e10f792b8f15742f7b7b7460243929cb371e7f1dad"},
 ]
 
 [package.dependencies]
@@ -1233,4 +1233,4 @@ files = [
 [metadata]
 lock-version = "2.0"
 python-versions = "^3.9"
-content-hash = "fbe3fac1c7832205a947ed49a6f88f2b4336e8bd0b4e4db6cd99d3267f86e017"
+content-hash = "609a4bf7dcbd8a3e7a92a8c41b0761b99542bbeb7267b3402a062a1f5e7cb9d0"
diff --git a/pyproject.toml b/pyproject.toml
index ef835341e..ca6031da2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -4,7 +4,7 @@ package-mode = false
 
 [tool.poetry.dependencies]
 python = "^3.9"
-Django = "4.2.14"
+Django = "4.2.16"
 django-autocomplete-light = "3.9.4"
 django-extra-views = "0.13.0"
 django-quill-editor = "0.1.40"