diff --git a/platform/mv3/extension/js/report.js b/platform/mv3/extension/js/report.js
index f3072c1a4..e31914bc4 100644
--- a/platform/mv3/extension/js/report.js
+++ b/platform/mv3/extension/js/report.js
@@ -19,10 +19,18 @@
     Home: https://github.com/gorhill/uBlock
 */
 
-import { dom, qs$ } from './dom.js';
+import {
+    dom,
+    qs$,
+} from './dom.js';
+
+import {
+    localRead,
+    runtime,
+    sendMessage,
+} from './ext.js';
+
 import { dnr } from './ext-compat.js';
-import { runtime } from './ext.js';
-import { sendMessage } from './ext.js';
 
 /******************************************************************************/
 
@@ -98,10 +106,14 @@ async function getConfigData() {
         platformInfo,
         rulesets,
         defaultMode,
+        registerContentScriptsReason,
+        unregisterContentScriptsReason,
     ] = await Promise.all([
         runtime.getPlatformInfo(),
         dnr.getEnabledRulesets(),
         sendMessage({ what: 'getDefaultFilteringMode' }),
+        localRead('$scripting.registerContentScripts'),
+        localRead('$scripting.unregisterContentScripts'),
     ]);
     const browser = (( ) => {
         const extURL = runtime.getURL('');
@@ -138,6 +150,12 @@ async function getConfigData() {
         },
         rulesets,
     };
+    if ( registerContentScriptsReason !== undefined ) {
+        config.registerContentScripts = registerContentScriptsReason;
+    }
+    if ( unregisterContentScriptsReason !== undefined ) {
+        config.unregisterContentScripts = unregisterContentScriptsReason;
+    }
     return renderData(config);
 }
 
diff --git a/platform/mv3/extension/js/scripting-manager.js b/platform/mv3/extension/js/scripting-manager.js
index a400ce856..810d0cae0 100644
--- a/platform/mv3/extension/js/scripting-manager.js
+++ b/platform/mv3/extension/js/scripting-manager.js
@@ -21,7 +21,12 @@
 
 import * as ut from './utils.js';
 
-import { browser } from './ext.js';
+import {
+    browser,
+    localRemove,
+    localWrite,
+} from './ext.js';
+
 import { fetchJSON } from './fetch.js';
 import { getEnabledRulesetsDetails } from './ruleset-manager.js';
 import { getFilteringModeDetails } from './mode-manager.js';
@@ -607,14 +612,22 @@ async function registerInjectables() {
 
     if ( toRemove.length !== 0 ) {
         ubolLog(`Unregistered ${toRemove} content (css/js)`);
-        await browser.scripting.unregisterContentScripts({ ids: toRemove })
-            .catch(reason => { console.info(reason); });
+        await browser.scripting.unregisterContentScripts({ ids: toRemove }).then(( ) => {
+            localRemove('$scripting.unregisterContentScripts');
+        }).catch(reason => {
+            localWrite('$scripting.unregisterContentScripts', reason);
+            console.info(reason);
+        });
     }
 
     if ( toAdd.length !== 0 ) {
         ubolLog(`Registered ${toAdd.map(v => v.id)} content (css/js)`);
-        await browser.scripting.registerContentScripts(toAdd)
-            .catch(reason => { console.info(reason); });
+        await browser.scripting.registerContentScripts(toAdd).then(( ) => {
+            localRemove('$scripting.registerContentScripts');
+        }).catch(reason => {
+            localWrite('$scripting.registerContentScripts', reason);
+            console.info(reason);
+        });
     }
 
     registerInjectables.barrier = false;