diff --git a/build.sh b/build.sh
index 16cb435..89be716 100755
--- a/build.sh
+++ b/build.sh
@@ -214,13 +214,6 @@ deps_pkg() {
     echo "deps_pkg: done."
 }
 
-deps_mac() {
-    echo "deps_mac: begin."
-    deps="yasm nasm ffmpeg node@14 gcc dbus nss"
-    brew install $deps
-    echo "deps_mac: done."
-}
-
 # these utilities should work everywhere
 clean() {
     echo "clean: begin."
@@ -534,10 +527,6 @@ if [[ "$*" == *deps_pkg* ]]; then
     deps_pkg
     done_something=1
 fi
-if [[ "$*" == *deps_mac* ]]; then
-    deps_mac
-    done_something=1
-fi
 
 # main building actions...
 
@@ -619,7 +608,6 @@ Use: ./build.sh clean | all | [other stuff...]
     deps_deb            - install dependencies with apt.
     deps_rpm            - install dependencies with dnf.
     deps_pkg            - install dependencies with pkg.  (experimental)
-    deps_mac            - install dependencies with brew. (experimental)
 
     artifacts_deb       - apply .cfg, create a dist zip file (for debian10).
     artifacts_rpm       - apply .cfg, create a dist zip file (for fedora33).
diff --git a/patches/permissive/librewolf-config.patch b/patches/permissive/librewolf-config.patch
index 9ef2f02..82aaed9 100644
--- a/patches/permissive/librewolf-config.patch
+++ b/patches/permissive/librewolf-config.patch
@@ -1,5 +1,5 @@
 diff --git a/librewolf.cfg b/librewolf.cfg
-index 1ad0cea..7515734 100644
+index 1ad0cea..597dd5e 100644
 --- a/librewolf.cfg
 +++ b/librewolf.cfg
 @@ -264,11 +264,12 @@ defaultPref("media.gmp-manager.certs.1.commonName", "");
@@ -68,7 +68,7 @@ index 1ad0cea..7515734 100644
  // Default Value
  // https://versioncheck.addons.mozilla.org/update/VersionCheck.php?reqVersion=
  // %REQ_VERSION%&id=%ITEM_ID%&version=%ITEM_VERSION%&maxAppVersion=
-@@ -1804,7 +1805,7 @@ lockPref("datareporting.healthreport.uploadEnabled", false);
+@@ -1804,13 +1805,13 @@ lockPref("datareporting.healthreport.uploadEnabled", false);
  lockPref("datareporting.policy.dataSubmissionEnabled", false);
  
  // Pref : Disable right-click menu manipulation via JavaScript (disabled)
@@ -77,6 +77,13 @@ index 1ad0cea..7515734 100644
  
  // Pref : Disable clipboard event detection (onCut/onCopy/onPaste) via Javascript
  // Disabling clipboard events breaks Ctrl+C/X/V copy/cut/paste functionaility in
+ // JS-based web applications (Google Docs etc.)
+ // https://developer.mozilla.org/en-US/docs/Mozilla/Preferences/Preference_reference/dom.event.clipboardevents.enabled
+-lockPref("dom.event.clipboardevents.enabled", false);
++lockPref("dom.event.clipboardevents.enabled", true);
+ 
+ // Pref : Force Punycode for Internationalized Domain Names
+ // http://kb.mozillazine.org/Network.IDN_show_punycode
 @@ -2773,3 +2774,14 @@ defaultPref("devtools.selfxss.count", 0);
  // enable HTTPS only mode by default
  defaultPref("dom.security.https_only_mode", true);
diff --git a/patches/permissive/librewolf-policies.patch b/patches/permissive/librewolf-policies.patch
index f572558..e69de29 100644
--- a/patches/permissive/librewolf-policies.patch
+++ b/patches/permissive/librewolf-policies.patch
@@ -1,13 +0,0 @@
-diff --git a/distribution/policies.json b/distribution/policies.json
-index 7f7e822..e517284 100644
---- a/distribution/policies.json
-+++ b/distribution/policies.json
-@@ -62,7 +62,7 @@
- 
-         "Extensions": {
-             "Install": [
--                "https://addons.cdn.mozilla.net/user-media/addons/607454/ublock_origin-1.33.2-an+fx.xpi"
-+                "https://addons.cdn.mozilla.net/user-media/addons/607454/ublock_origin-1.33.2-an+fx.xpi",
-             ],
-             "Uninstall": [
-                 "google@search.mozilla.org",