diff --git a/django/contrib/admin/templates/admin/base.html b/django/contrib/admin/templates/admin/base.html
index 16c1808a0ca4..73121e511498 100644
--- a/django/contrib/admin/templates/admin/base.html
+++ b/django/contrib/admin/templates/admin/base.html
@@ -3,6 +3,7 @@
 <html lang="{{ LANGUAGE_CODE|default:"en-us" }}" dir="{{ LANGUAGE_BIDI|yesno:'rtl,ltr,auto' }}">
 <head>
 <title>{% block title %}{% endblock %}</title>
+<meta name="color-scheme" content="light dark" />
 <link rel="stylesheet" href="{% block stylesheet %}{% static "admin/css/base.css" %}{% endblock %}">
 {% block dark-mode-vars %}
   <link rel="stylesheet" href="{% static "admin/css/dark_mode.css" %}">
diff --git a/django/db/models/sql/compiler.py b/django/db/models/sql/compiler.py
index dd957ec76595..1b1cd91c9a80 100644
--- a/django/db/models/sql/compiler.py
+++ b/django/db/models/sql/compiler.py
@@ -1819,9 +1819,13 @@ def as_sql(self):
             for field in list(fields):
                 field_prepare = partial(self.prepare_value, field)
                 field_pre_save = partial(self.pre_save_val, field)
-                field_values = [
-                    field_prepare(field_pre_save(obj)) for obj in self.query.objs
-                ]
+
+                field_values = []
+                for obj in self.query.objs:
+                    value = field_pre_save(obj)
+                    if not isinstance(value, DatabaseDefault):
+                        value = field_prepare(value)
+                    field_values.append(value)
 
                 if not field.has_db_default():
                     value_cols.append(field_values)
diff --git a/django/views/templates/csrf_403.html b/django/views/templates/csrf_403.html
index ee81b04bcc48..6a0daad5eed5 100644
--- a/django/views/templates/csrf_403.html
+++ b/django/views/templates/csrf_403.html
@@ -2,6 +2,7 @@
 <html lang="en">
 <head>
   <meta http-equiv="content-type" content="text/html; charset=utf-8">
+  <meta name="color-scheme" content="light dark" />
   <meta name="robots" content="NONE,NOARCHIVE">
   <title>403 Forbidden</title>
   <style>
diff --git a/django/views/templates/default_urlconf.html b/django/views/templates/default_urlconf.html
index 8a8a2b1e17ca..bda2677eeb3d 100644
--- a/django/views/templates/default_urlconf.html
+++ b/django/views/templates/default_urlconf.html
@@ -5,17 +5,18 @@
   <head>
     <meta charset="utf-8">
     <title>{% translate "The install worked successfully! Congratulations!" %}</title>
+    <meta name="color-scheme" content="light dark" />
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <style>
       html {
         line-height: 1.15;
       }
       a {
-        color: #092e20;
+        color: light-dark(#092e20, #6DDCBD);
       }
       body {
         max-width: 960px;
-        color: #525252;
+        color: light-dark(#525252, white);
         font-family: "Segoe UI", system-ui, sans-serif;
         margin: 0 auto;
       }
@@ -28,16 +29,8 @@
         font-weight: 400;
       }
       .logo {
-        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 19.16 6.696'%3E%3Cg fill='rgb(9 46 32)'%3E%3Cpath d='m2.259 3.55e-8h1.048v4.851c-0.5377 0.1021-0.9324 0.1429-1.361 0.1429-1.279 0-1.946-0.5784-1.946-1.688 0-1.068 0.7078-1.763 1.804-1.763 0.1701 0 0.2994 0.01365 0.456 0.0544v-1.598zm0 2.442c-0.1225-0.04079-0.2246-0.0544-0.3539-0.0544-0.5308 0-0.8371 0.3267-0.8371 0.8983 0 0.5582 0.2927 0.8644 0.8303 0.8644 0.1156 0 0.211-0.00681 0.3607-0.02713z'/%3E%3Cpath d='m4.975 1.618v2.43c0 0.837-0.06125 1.239-0.245 1.586-0.1702 0.3335-0.3948 0.5444-0.8575 0.7758l-0.9732-0.4628c0.4628-0.2178 0.6874-0.4082 0.8303-0.701 0.1498-0.2994 0.1974-0.6466 0.1974-1.559v-2.069zm-1.048-1.613h1.048v1.075h-1.048z'/%3E%3Cpath d='m5.608 1.857c0.4628-0.2178 0.9052-0.313 1.388-0.313 0.5377 0 0.8915 0.1429 1.048 0.422 0.08842 0.1565 0.1156 0.3606 0.1156 0.7963v2.13c-0.4696 0.06814-1.062 0.1157-1.497 0.1157-0.8779 0-1.273-0.3063-1.273-0.9868 0-0.7351 0.524-1.075 1.81-1.184v-0.2314c0-0.1905-0.09527-0.2585-0.3607-0.2585-0.3879 0-0.8235 0.1088-1.232 0.3198v-0.8099zm1.64 1.667c-0.6942 0.06814-0.9188 0.177-0.9188 0.4492 0 0.2042 0.1293 0.2995 0.4152 0.2995 0.1566 0 0.2994-0.01365 0.5036-0.04759z'/%3E%3Cpath d='m8.671 1.782c0.6193-0.1634 1.13-0.2382 1.647-0.2382 0.5377 0 0.9256 0.1224 1.157 0.3607 0.2178 0.2245 0.2858 0.4695 0.2858 0.9936v2.055h-1.048v-2.015c0-0.4015-0.1361-0.5513-0.5104-0.5513-0.1429 0-0.2722 0.01365-0.4833 0.0749v2.491h-1.048v-3.171z'/%3E%3Cpath d='m12.17 5.525c0.3676 0.1905 0.735 0.279 1.123 0.279 0.6873 0 0.98-0.279 0.98-0.946v-0.0205c-0.2042 0.1021-0.4084 0.143-0.6805 0.143-0.9188 0-1.504-0.6058-1.504-1.565 0-1.191 0.8644-1.865 2.396-1.865 0.4492 0 0.8644 0.04759 1.368 0.1496l-0.3589 0.7561c-0.2791-0.05449-0.02235-0.00733-0.2332-0.02775v0.1089l0.01357 0.4423 0.0068 0.5717c0.0068 0.1428 0.0068 0.2858 0.01365 0.4287v0.2859c0 0.8984-0.07486 1.32-0.2994 1.667-0.3267 0.5105-0.8916 0.7623-1.695 0.7623-0.4084 0-0.7622-0.06129-1.13-0.2042v-0.9663zm2.083-3.131h-0.03398-0.0749c-0.2041-0.00681-0.4423 0.04759-0.6057 0.1497-0.2517 0.143-0.3811 0.4016-0.3811 0.7691 0 0.5241 0.2587 0.8235 0.7214 0.8235 0.1429 0 0.2586-0.02722 0.3947-0.06805v-0.3607c0-0.1225-0.0068-0.2587-0.0068-0.4016l-0.0068-0.4832-0.0068-0.3471v-0.08171z'/%3E%3Cpath d='m17.48 1.53c1.048 0 1.688 0.6602 1.688 1.729 0 1.096-0.6669 1.783-1.729 1.783-1.048 0-1.695-0.6601-1.695-1.722 4.4e-5 -1.103 0.667-1.79 1.736-1.79zm-0.0205 2.668c0.4016 0 0.6398-0.3335 0.6398-0.912 0-0.5716-0.2314-0.9119-0.6329-0.9119-0.4152 0-0.6535 0.3336-0.6535 0.9119 4.4e-5 0.5786 0.2383 0.912 0.6465 0.912z'/%3E%3C/g%3E%3C/svg%3E");
-        color: #092e20;
-        background-position-x: center;
-        background-repeat: no-repeat;
-        font-size: 2rem;
-        font-weight: 700;
+        color: light-dark(#092e20, #6DDCBD);
         margin-top: 16px;
-        overflow: hidden;
-        text-decoration: none;
-        text-indent: 100%;
         display: inline-block;
       }
       .figure {
@@ -121,7 +114,7 @@
       .option svg {
         width: 1.5rem;
         height: 1.5rem;
-        fill: gray;
+        fill: light-dark(gray, white);
         border: 1px solid #d6d6d6;
         padding: 5px;
         border-radius: 100%;
@@ -129,11 +122,11 @@
       .option p {
         font-weight: 300;
         line-height: 1.25;
-        color: #525252;
+        color: light-dark(#525252, white);
         display: table;
       }
       .option .option__heading {
-        color: #092e20;
+        color: light-dark(#092e20, #6DDCBD);
         font-size: 1.25rem;
         font-weight: 400;
       }
@@ -192,21 +185,31 @@
   <body>
     <main>
       <svg class="figure" viewBox="0 0 508 268" aria-hidden="true">
-        <path d="M305.2 156.6c0 4.6-.5 9-1.6 13.2-2.5-4.4-5.6-8.4-9.2-12-4.6-4.6-10-8.4-16-11.2 2.8-11.2 4.5-22.9 5-34.6 1.8 1.4 3.5 2.9 5 4.5 10.5 10.3 16.8 24.5 16.8 40.1zm-75-10c-6 2.8-11.4 6.6-16 11.2-3.5 3.6-6.6 7.6-9.1 12-1-4.3-1.6-8.7-1.6-13.2 0-15.7 6.3-29.9 16.6-40.1 1.6-1.6 3.3-3.1 5.1-4.5.6 11.8 2.2 23.4 5 34.6z" fill="#2E3B39" fill-rule="nonzero"/>
-        <path d="M282.981 152.6c16.125-48.1 6.375-104-29.25-142.6-35.625 38.5-45.25 94.5-29.25 142.6h58.5z" stroke="#FFF" stroke-width="3.396" fill="#6DDCBD"/>
-        <path d="M271 29.7c-4.4-10.6-9.9-20.6-16.6-29.7-6.7 9-12.2 19-16.6 29.7H271z" stroke="#FFF" stroke-width="3" fill="#2E3B39"/>
-        <circle stroke="#FFF" stroke-width="7" fill="none" cx="254.3" cy="76.8" r="12.2"/>
+        <path d="M305.2 156.6c0 4.6-.5 9-1.6 13.2-2.5-4.4-5.6-8.4-9.2-12-4.6-4.6-10-8.4-16-11.2 2.8-11.2 4.5-22.9 5-34.6 1.8 1.4 3.5 2.9 5 4.5 10.5 10.3 16.8 24.5 16.8 40.1zm-75-10c-6 2.8-11.4 6.6-16 11.2-3.5 3.6-6.6 7.6-9.1 12-1-4.3-1.6-8.7-1.6-13.2 0-15.7 6.3-29.9 16.6-40.1 1.6-1.6 3.3-3.1 5.1-4.5.6 11.8 2.2 23.4 5 34.6z" fill="light-dark(#2E3B39, #E6E9EE)" fill-rule="nonzero"/>
+        <path d="M282.981 152.6c16.125-48.1 6.375-104-29.25-142.6-35.625 38.5-45.25 94.5-29.25 142.6h58.5z" stroke="light-dark(#FFF, #092e20)" stroke-width="3.396" fill="#6DDCBD"/>
+        <path d="M271 29.7c-4.4-10.6-9.9-20.6-16.6-29.7-6.7 9-12.2 19-16.6 29.7H271z" stroke="light-dark(#FFF, #092e20)" stroke-width="3" fill="light-dark(#2E3B39, #E6E9EE)"/>
+        <circle stroke="light-dark(#FFF, #092e20)" stroke-width="7" fill="none" cx="254.3" cy="76.8" r="12.2"/>
         <path class="smoke" d="M507.812 234.24c0-2.16-.632-4.32-1.58-6.24-3.318-6.72-11.85-11.52-21.804-11.52-1.106 0-2.212.12-3.318.24-.474-11.52-12.956-20.76-28.282-20.76-3.318 0-6.636.48-9.638 1.32-4.74-6.72-14.062-11.28-24.806-11.28-.79 0-1.58 0-2.37.12-.79 0-1.58-.12-2.37-.12-10.744 0-20.066 4.56-24.806 11.28a35.326 35.326 0 00-9.638-1.32c-15.642 0-28.282 9.6-28.282 21.48 0 1.32.158 2.76.474 3.96a26.09 26.09 0 00-4.424-.36c-8.058 0-15.01 3.12-19.118 7.8-3.476-1.68-7.742-2.76-12.324-2.76-12.008 0-21.804 7.08-22.752 15.96h-.158c-9.322 0-17.38 4.32-20.856 10.44-4.108-3.6-10.27-6-17.222-6h-1.264c-6.794 0-12.956 2.28-17.222 6-3.476-6.12-11.534-10.44-20.856-10.44h-.158c-.948-9-10.744-15.96-22.752-15.96-4.582 0-8.69.96-12.324 2.76-4.108-4.68-11.06-7.8-19.118-7.8-1.422 0-3.002.12-4.424.36.316-1.32.474-2.64.474-3.96 0-11.88-12.64-21.48-28.282-21.48-3.318 0-6.636.48-9.638 1.32-4.74-6.72-14.062-11.28-24.806-11.28-.79 0-1.58 0-2.37.12-.79 0-1.58-.12-2.37-.12-10.744 0-20.066 4.56-24.806 11.28a35.326 35.326 0 00-9.638-1.32c-15.326 0-27.808 9.24-28.282 20.76-1.106-.12-2.212-.24-3.318-.24-9.954 0-18.486 4.8-21.804 11.52-.948 1.92-1.58 4.08-1.58 6.24 0 4.8 2.528 9.12 6.636 12.36-.79 1.44-1.264 3.12-1.264 4.8 0 7.2 7.742 13.08 17.222 13.08h462.15c9.48 0 17.222-5.88 17.222-13.08 0-1.68-.474-3.36-1.264-4.8 4.582-3.24 7.11-7.56 7.11-12.36z" fill="#E6E9EE"/>
         <path fill="#6DDCBD" d="M239 152h30v8h-30z"/>
         <path class="exhaust__line" fill="#E6E9EE" d="M250 172h7v90h-7z"/>
-        <path class="flame" d="M250.27 178.834l-5.32-8.93s-2.47-5.7 3.458-6.118h10.26s6.232.266 3.306 6.194l-5.244 8.93s-3.23 4.37-6.46 0v-.076z" fill="#AA2247"/>
+        <path class="flame" d="M250.27 178.834l-5.32-8.93s-2.47-5.7 3.458-6.118h10.26s6.232.266 3.306 6.194l-5.244 8.93s-3.23 4.37-6.46 0v-.076z" fill="light-dark(#AA2247, #EB9EB2)"/>
       </svg>
       <h1>{% translate "The install worked successfully! Congratulations!" %}</h1>
       <p>
         {% blocktranslate %}View <a href="https://docs.djangoproject.com/en/{{ version }}/releases/" target="_blank" rel="noopener">release notes</a> for Django {{ version }}{% endblocktranslate %}
       </p>
       <p>{% blocktranslate %}You are seeing this page because <a href="https://docs.djangoproject.com/en/{{ version }}/ref/settings/#debug" target="_blank" rel="noopener">DEBUG=True</a> is in your settings file and you have not configured any URLs.{% endblocktranslate %}</p>
-      <a class="logo" href="https://www.djangoproject.com/" target="_blank" rel="noopener">Django</a>
+      <a class="logo" href="https://www.djangoproject.com/" target="_blank" rel="noopener">
+        <svg viewBox="0 0 19.16 6.696" width="120" fill="currentColor">
+          <title>Django</title>
+          <path d="m2.259 3.55e-8h1.048v4.851c-0.5377 0.1021-0.9324 0.1429-1.361 0.1429-1.279 0-1.946-0.5784-1.946-1.688 0-1.068 0.7078-1.763 1.804-1.763 0.1701 0 0.2994 0.01365 0.456 0.0544v-1.598zm0 2.442c-0.1225-0.04079-0.2246-0.0544-0.3539-0.0544-0.5308 0-0.8371 0.3267-0.8371 0.8983 0 0.5582 0.2927 0.8644 0.8303 0.8644 0.1156 0 0.211-0.00681 0.3607-0.02713z"/>
+          <path d="m4.975 1.618v2.43c0 0.837-0.06125 1.239-0.245 1.586-0.1702 0.3335-0.3948 0.5444-0.8575 0.7758l-0.9732-0.4628c0.4628-0.2178 0.6874-0.4082 0.8303-0.701 0.1498-0.2994 0.1974-0.6466 0.1974-1.559v-2.069zm-1.048-1.613h1.048v1.075h-1.048z"/>
+          <path d="m5.608 1.857c0.4628-0.2178 0.9052-0.313 1.388-0.313 0.5377 0 0.8915 0.1429 1.048 0.422 0.08842 0.1565 0.1156 0.3606 0.1156 0.7963v2.13c-0.4696 0.06814-1.062 0.1157-1.497 0.1157-0.8779 0-1.273-0.3063-1.273-0.9868 0-0.7351 0.524-1.075 1.81-1.184v-0.2314c0-0.1905-0.09527-0.2585-0.3607-0.2585-0.3879 0-0.8235 0.1088-1.232 0.3198v-0.8099zm1.64 1.667c-0.6942 0.06814-0.9188 0.177-0.9188 0.4492 0 0.2042 0.1293 0.2995 0.4152 0.2995 0.1566 0 0.2994-0.01365 0.5036-0.04759z"/>
+          <path d="m8.671 1.782c0.6193-0.1634 1.13-0.2382 1.647-0.2382 0.5377 0 0.9256 0.1224 1.157 0.3607 0.2178 0.2245 0.2858 0.4695 0.2858 0.9936v2.055h-1.048v-2.015c0-0.4015-0.1361-0.5513-0.5104-0.5513-0.1429 0-0.2722 0.01365-0.4833 0.0749v2.491h-1.048v-3.171z"/>
+          <path d="m12.17 5.525c0.3676 0.1905 0.735 0.279 1.123 0.279 0.6873 0 0.98-0.279 0.98-0.946v-0.0205c-0.2042 0.1021-0.4084 0.143-0.6805 0.143-0.9188 0-1.504-0.6058-1.504-1.565 0-1.191 0.8644-1.865 2.396-1.865 0.4492 0 0.8644 0.04759 1.368 0.1496l-0.3589 0.7561c-0.2791-0.05449-0.02235-0.00733-0.2332-0.02775v0.1089l0.01357 0.4423 0.0068 0.5717c0.0068 0.1428 0.0068 0.2858 0.01365 0.4287v0.2859c0 0.8984-0.07486 1.32-0.2994 1.667-0.3267 0.5105-0.8916 0.7623-1.695 0.7623-0.4084 0-0.7622-0.06129-1.13-0.2042v-0.9663zm2.083-3.131h-0.03398-0.0749c-0.2041-0.00681-0.4423 0.04759-0.6057 0.1497-0.2517 0.143-0.3811 0.4016-0.3811 0.7691 0 0.5241 0.2587 0.8235 0.7214 0.8235 0.1429 0 0.2586-0.02722 0.3947-0.06805v-0.3607c0-0.1225-0.0068-0.2587-0.0068-0.4016l-0.0068-0.4832-0.0068-0.3471v-0.08171z"/>
+          <path d="m17.48 1.53c1.048 0 1.688 0.6602 1.688 1.729 0 1.096-0.6669 1.783-1.729 1.783-1.048 0-1.695-0.6601-1.695-1.722 4.4e-5 -1.103 0.667-1.79 1.736-1.79zm-0.0205 2.668c0.4016 0 0.6398-0.3335 0.6398-0.912 0-0.5716-0.2314-0.9119-0.6329-0.9119-0.4152 0-0.6535 0.3336-0.6535 0.9119 4.4e-5 0.5786 0.2383 0.912 0.6465 0.912z"/>
+        </svg>
+      </a>
     </main>
     <footer>
       <a class="option" href="https://docs.djangoproject.com/en/{{ version }}/" target="_blank" rel="noopener">
diff --git a/django/views/templates/directory_index.html b/django/views/templates/directory_index.html
index d67e5e0edd58..714ea275d3b3 100644
--- a/django/views/templates/directory_index.html
+++ b/django/views/templates/directory_index.html
@@ -4,6 +4,7 @@
   <head>
     <meta http-equiv="Content-type" content="text/html; charset=utf-8">
     <meta http-equiv="Content-Language" content="en-us">
+    <meta name="color-scheme" content="light dark" />
     <meta name="robots" content="NONE,NOARCHIVE">
     <title>{% blocktranslate %}Index of {{ directory }}{% endblocktranslate %}</title>
   </head>
diff --git a/django/views/templates/technical_404.html b/django/views/templates/technical_404.html
index 73abb22af465..899e405568eb 100644
--- a/django/views/templates/technical_404.html
+++ b/django/views/templates/technical_404.html
@@ -3,13 +3,14 @@
 <head>
   <meta http-equiv="content-type" content="text/html; charset=utf-8">
   <title>Page not found at {{ request.path_info }}</title>
+  <meta name="color-scheme" content="light" />
   <meta name="robots" content="NONE,NOARCHIVE">
   <style>
     html * { padding:0; margin:0; }
     body * { padding:10px 20px; }
     body * * { padding:0; }
     body { font-family: sans-serif; background:#eee; color:#000; }
-    body > :where(header, main, footer) { border-bottom:1px solid #ddd; }
+    body > header, body > main, body > footer { border-bottom:1px solid #ddd; }
     h1 { font-weight:normal; margin-bottom:.4em; }
     h1 small { font-size:60%; color:#666; font-weight:normal; }
     table { border:none; border-collapse: collapse; width:100%; }
diff --git a/django/views/templates/technical_500.html b/django/views/templates/technical_500.html
index a2fc8415f56d..7e57938ec95a 100644
--- a/django/views/templates/technical_500.html
+++ b/django/views/templates/technical_500.html
@@ -2,6 +2,7 @@
 <html lang="en">
 <head>
   <meta http-equiv="content-type" content="text/html; charset=utf-8">
+  <meta name="color-scheme" content="light" />
   <meta name="robots" content="NONE,NOARCHIVE">
   <title>{% if exception_type %}{{ exception_type }}{% else %}Report{% endif %}
          {% if request %} at {{ request.path_info }}{% endif %}</title>
@@ -10,7 +11,7 @@
     body * { padding:10px 20px; }
     body * * { padding:0; }
     body { font-family: sans-serif; background-color:#fff; color:#000; }
-    body > :where(header, main, footer) { border-bottom:1px solid #ddd; }
+    body > header, body > main, body > footer { border-bottom:1px solid #ddd; }
     h1 { font-weight:normal; }
     h2 { margin-bottom:.8em; }
     h3 { margin:1em 0 .5em 0; }
diff --git a/docs/internals/deprecation.txt b/docs/internals/deprecation.txt
index 2473d2b4f7b8..280187b36872 100644
--- a/docs/internals/deprecation.txt
+++ b/docs/internals/deprecation.txt
@@ -59,6 +59,11 @@ details on these changes.
 * Calling :meth:`.QuerySet.values_list` with ``flat=True`` and no field name
   will raise ``TypeError``.
 
+* The use of ``None`` when querying a :class:`~django.db.models.JSONField`
+  top-level value will compile to SQL ``IS NULL``. Use
+  :class:`~django.db.models.JSONNull` to query for a JSON ``null`` value
+  instead.
+
 .. _deprecation-removed-in-6.1:
 
 6.1
diff --git a/tests/middleware/test_csp.py b/tests/middleware/test_csp.py
index 3ab732fe2f52..baf04d7650c6 100644
--- a/tests/middleware/test_csp.py
+++ b/tests/middleware/test_csp.py
@@ -203,4 +203,4 @@ def test_reports_are_generated(self):
             (r["csp-report"]["document-uri"], r["csp-report"]["violated-directive"])
             for r in csp_reports
         )
-        self.assertEqual(reports, [(url, "img-src"), (url, "style-src-elem")])
+        self.assertEqual(reports, [(url, "style-src-elem")])