This config seems to work

Author: vmcj

webapp/templates/base.html.twig

@@ -13,6 +13,7 @@
     <script src="{{ asset("js/jquery.min.js") }}"></script>
     <script src="{{ asset("js/jquery.debounce.min.js") }}"></script>
     <script src="{{ asset("js/bootstrap.bundle.min.js") }}"></script>
+    <!--
     <script>
         window.MathJax = {
           tex: { inlineMath: [['$', '$'], ['\\(', '\\)']] },
@@ -28,6 +29,25 @@
         };
     </script>
     <script src="{{ app.request.basePath }}/mathjax/tex-chtml.js"></script>
+    -->
+    <script>
+        window.MathJax = {
+            tex: {
+                inlineMath: [['$', '$'], ['\\(', '\\)']]
+            },
+            chtml: {
+                fontURL: "{{ app.request.basePath }}/mathjax/fonts/TeX", // local TeX font path
+                scale: 1.0
+            },
+            loader: {
+                paths: {
+                    mathjax: "{{ app.request.basePath }}/mathjax"
+                },
+                load: ['input/tex', 'output/chtml']
+            }
+        };
+    </script>
+    <script src="{{ app.request.basePath }}/mathjax/tex-chtml.js"></script>
 
     <script src="{{ asset("js/domjudge.js") }}"></script>
     {% for file in customAssetFiles('js') %}