diff --git a/content_scripts/mode_find.js b/content_scripts/mode_find.js
index b648e337f..a443a529c 100644
--- a/content_scripts/mode_find.js
+++ b/content_scripts/mode_find.js
@@ -177,13 +177,18 @@ class FindMode extends Mode {
           case "R":
             this.query.isRegex = false;
             break;
+          case "I":
+            this.query.ignoreCase = false;
+            break;
         }
         return "";
       },
     );
 
-    // Implement smartcase.
-    this.query.ignoreCase = !Utils.hasUpperCase(this.query.parsedQuery);
+    if (this.query.ignoreCase !== false) { // if not already set to false(\I flag present)
+      // Implement smartcase.
+      this.query.ignoreCase = !Utils.hasUpperCase(this.query.parsedQuery);
+    }
 
     const regexPattern = this.query.isRegex
       ? this.query.parsedQuery
diff --git a/manifest.json b/manifest.json
index 58c495a2d..9c745c336 100644
--- a/manifest.json
+++ b/manifest.json
@@ -4,16 +4,19 @@
   "version": "2.4.0",
   "description": "The Hacker's Browser. Vimium provides keyboard shortcuts for navigation and control in the spirit of Vim.",
   "icons": {
-    "16": "icons/icon16.png",
-    "48": "icons/icon48.png",
-    "128": "icons/icon128.png"
+    "16": "icons/icon.svg",
+    "32": "icons/icon.svg",
+    "48": "icons/icon.svg",
+    "64": "icons/icon.svg",
+    "96": "icons/icon.svg",
+    "128": "icons/icon.svg"
   },
   "minimum_chrome_version": "117.0",
   "background": {
-    "service_worker": "background_scripts/main.js",
-    "type": "module"
-    // Uncomment when developing in Firefox.
-    // "scripts": ["background_scripts/main.js"]
+    "type": "module",
+    "scripts": [
+      "background_scripts/main.js"
+    ]
   },
   "options_ui": {
     "page": "pages/options.html",
@@ -29,15 +32,12 @@
     "history",
     "storage",
     "sessions",
-    // Notifications are used to show a message when Vimium's major version has been upgraded.
     "notifications",
-    // We're using the scripting permission to 1) inject our content scripts and CSS into existing
-    // tabs when Vimium is first installed, and 2) inject the user's link hints CSS when a page
-    // loads. This permission was required when moving to manifest V3.
     "scripting",
-    "favicon", // The favicon permission is not yet supported by Firefox.
     "webNavigation",
-    "search"
+    "search",
+    "clipboardRead",
+    "clipboardWrite"
   ],
   "content_scripts": [
     {
@@ -86,22 +86,10 @@
       "all_frames": true
     }
   ],
-  // Uncomment when developing in Firefox.
-  // "browser_specific_settings": {
-  //   "gecko": {
-  //     // This ID was generated by the Firefox store upon first submission.
-  //     "id": "{d7742d87-e61d-4b78-b8a1-b469842139fa}",
-  //     "strict_min_version": "109.0"
-  //   }
-  // },
   "action": {
-    "default_icon": {
-      "16": "icons/action_disabled_16.png",
-      "32": "icons/action_disabled_32.png"
-    },
-    // Uncomment for Firefox.
-    // "default_area": "navbar",
-    "default_popup": "pages/action.html"
+    "default_icon": "icons/action_disabled.svg",
+    "default_popup": "pages/action.html",
+    "default_area": "navbar"
   },
   "web_accessible_resources": [
     {
@@ -113,14 +101,22 @@
         "pages/doc_completion_engines.html",
         "pages/command_listing.html",
         "resources/tlds.txt",
-        // This allows one to script the reloading of Vimium.
-        // This should only be enabled in development.
-        // "pages/reload.html",
         "_favicon/*"
       ],
       "matches": [
         "<all_urls>"
       ]
     }
-  ]
-}
+  ],
+  "browser_specific_settings": {
+    "gecko": {
+      "id": "{d7742d87-e61d-4b78-b8a1-b469842139fa}",
+      "strict_min_version": "112.0",
+      "data_collection_permissions": {
+        "required": [
+          "none"
+        ]
+      }
+    }
+  }
+}
\ No newline at end of file