diff --git a/platform/mv3/extension/js/mode-manager.js b/platform/mv3/extension/js/mode-manager.js
index 8ac0ccfd2..918dba68e 100644
--- a/platform/mv3/extension/js/mode-manager.js
+++ b/platform/mv3/extension/js/mode-manager.js
@@ -33,6 +33,7 @@ import {
 import {
     hostnamesFromMatches,
     isDescendantHostnameOfIter,
+    toBroaderHostname,
 } from './utils.js';
 
 import {
@@ -54,6 +55,17 @@ const pruneDescendantHostnamesFromSet = (hostname, hnSet) => {
 
 /******************************************************************************/
 
+const pruneHostnameFromSet = (hostname, hnSet) => {
+    let hn = hostname;
+    for (;;) {
+        hnSet.delete(hn);
+        hn = toBroaderHostname(hn);
+        if ( hn === '*' ) { break; }
+    }
+};
+
+/******************************************************************************/
+
 const eqSets = (setBefore, setAfter) => {
     for ( const hn of setAfter ) {
         if ( setBefore.has(hn) === false ) { return false; }
@@ -203,9 +215,13 @@ async function setFilteringModeDetails(afterDetails) {
 async function getFilteringMode(hostname) {
     const filteringModes = await getFilteringModeDetails();
     if ( filteringModes.none.has(hostname) ) { return 0; }
+    if ( isDescendantHostnameOfIter(hostname, filteringModes.none) ) { return 0; }
     if ( filteringModes.network.has(hostname) ) { return 1; }
+    if ( isDescendantHostnameOfIter(hostname, filteringModes.network) ) { return 1; }
     if ( filteringModes.extendedSpecific.has(hostname) ) { return 2; }
+    if ( isDescendantHostnameOfIter(hostname, filteringModes.extendedSpecific) ) { return 2; }
     if ( filteringModes.extendedGeneric.has(hostname) ) { return 3; }
+    if ( isDescendantHostnameOfIter(hostname, filteringModes.extendedGeneric) ) { return 3; }
     return getDefaultFilteringMode();
 }
 
@@ -233,16 +249,16 @@ async function setFilteringMode(hostname, afterLevel) {
     } = filteringModes;
     switch ( beforeLevel ) {
     case 0:
-        none.delete(hostname);
+        pruneHostnameFromSet(hostname, none);
         break;
     case 1:
-        network.delete(hostname);
+        pruneHostnameFromSet(hostname, network);
         break;
     case 2:
-        extendedSpecific.delete(hostname);
+        pruneHostnameFromSet(hostname, extendedSpecific);
         break;
     case 3:
-        extendedGeneric.delete(hostname);
+        pruneHostnameFromSet(hostname, extendedGeneric);
         break;
     }
     if ( afterLevel !== defaultLevel ) {
diff --git a/platform/mv3/make-rulesets.js b/platform/mv3/make-rulesets.js
index 5f632178e..ccc2f1b5c 100644
--- a/platform/mv3/make-rulesets.js
+++ b/platform/mv3/make-rulesets.js
@@ -1284,11 +1284,10 @@ async function main() {
 
     // Assemble all default lists as the default ruleset
     const contentURLs = [
-        'https://ublockorigin.github.io/uAssets/filters/filters.txt',
+        'https://ublockorigin.github.io/uAssets/filters/filters.min.txt',
         'https://ublockorigin.github.io/uAssets/filters/badware.txt',
-        'https://ublockorigin.github.io/uAssets/filters/privacy.txt',
-        'https://ublockorigin.github.io/uAssets/filters/resource-abuse.txt',
-        'https://ublockorigin.github.io/uAssets/filters/unbreak.txt',
+        'https://ublockorigin.github.io/uAssets/filters/privacy.min.txt',
+        'https://ublockorigin.github.io/uAssets/filters/unbreak.min.txt',
         'https://ublockorigin.github.io/uAssets/filters/quick-fixes.txt',
         'https://ublockorigin.github.io/uAssets/filters/ubol-filters.txt',
         'https://ublockorigin.github.io/uAssets/thirdparties/easylist.txt',