CSP adjusted

manifest.json

@@ -58,7 +58,6 @@
     "resources/*"
   ],
 
-  // Require that all types of content should be packaged with the extension
-  "content_security_policy": "default-src 'self'"
+  "content_security_policy": "default-src 'self'; img-src 'self' data:"
 
 }

pages/updates/updates.css

@@ -1,7 +1,3 @@
-/**
- * Titles
- */
-
 .release-date {
     font-weight: bold;
 }
@@ -12,9 +8,9 @@
     padding-bottom: 20px;
 }
 
-/**
- * Controls
- */
+#history-release-notes {
+    display: none;
+}
 
 input[type=radio] {
     margin: 0;

pages/updates/updates.html

@@ -57,7 +57,7 @@
                         <hr/>
                     </div>
                     <div id="history"><span id="history-indicator">+</span> Previous Versions</div>
-                    <div id="history-release-notes" style="display: none;">
+                    <div id="history-release-notes">
                         <p class='release-date'>2021-03-28 (v2.6.4)</p>
                             <ul>
                                 <li>Improved: Welcome page</li>