diff -up ParaView-v5.11.1/Utilities/Sphinx/config/_themes/sphinx_rtd_theme/layout.html.sphinx6 ParaView-v5.11.1/Utilities/Sphinx/config/_themes/sphinx_rtd_theme/layout.html
--- ParaView-v5.11.1/Utilities/Sphinx/config/_themes/sphinx_rtd_theme/layout.html.sphinx6	2023-03-30 08:10:22.000000000 -0600
+++ ParaView-v5.11.1/Utilities/Sphinx/config/_themes/sphinx_rtd_theme/layout.html	2023-05-11 17:38:27.124776741 -0600
@@ -41,12 +41,8 @@
   {%- endfor -%}
 
   {#- FAVICON #}
-  {%- if favicon %}
-    {%- if sphinx_version_info < (4, 0) -%}
-    <link rel="shortcut icon" href="{{ pathto('_static/' + favicon, 1) }}"/>
-    {%- else %}
+  {%- if favicon_url %}
     <link rel="shortcut icon" href="{{ favicon_url }}"/>
-    {%- endif %}
   {%- endif -%}
 
   {#- CANONICAL URL (deprecated) #}
@@ -135,7 +131,7 @@
 
           <ul>
             <li> <a href="{{ pathto(master_doc) }}">
-              <img src="{{ pathto('_static/' + logo, 1) }}"
+              <img src="{{ pathto('_static/' + logo_url, 1) }}"
               alt="{{ project }}"></img></a> </li>
             <li class="version"> version {{ release }}</li>
           </ul>