diff --git a/Makefile b/Makefile
index 51fc9a5..ce4bd8b 100644
--- a/Makefile
+++ b/Makefile
@@ -25,7 +25,7 @@ uninstall:
 clobber:
 	rm -f ../i2psetproxy.js.zip ../i2p_proxy*.xpi
 
-VERSION=1.28
+VERSION=1.28-sp
 
 xpi:
 	mv ~/Downloads/i2p_proxy-$(VERSION)-an+fx.xpi ../i2psetproxy.js@eyedeekay.github.io.xpi
@@ -56,3 +56,8 @@ release:
 
 upload:
 	gothub upload -u eyedeekay -r i2psetproxy.js -t $(VERSION) -n "i2psetproxy.js@eyedeekay.github.io.xpi" -f "../i2psetproxy.js@eyedeekay.github.io.xpi"
+
+lib: libpolyfill
+
+libpolyfill:
+	wget -O chromium/browser-polyfill.min.js https://unpkg.com/webextension-polyfill/dist/browser-polyfill.min.js
diff --git a/manifest.json b/manifest.json
index 8e3d4bb..131c184 100644
--- a/manifest.json
+++ b/manifest.json
@@ -34,7 +34,7 @@
     "page": "options/options.html"
   },
   "background": {
-    "scripts": ["background.js", "proxy.js", "info.js", "privacy.js" ]
+    "scripts": ["chromium/browser-polyfill.min.js", "background.js", "proxy.js", "info.js", "privacy.js" ]
   },
   "default_locale": "en"
 }
diff --git a/privacy.js b/privacy.js
index 77e723d..65a2c29 100644
--- a/privacy.js
+++ b/privacy.js
@@ -21,29 +21,33 @@ function disableHyperlinkAuditing() {
 
 // This enables first-party isolation
 function enableFirstPartyIsolation() {
-    var setting = browser.privacy.websites.firstPartyIsolate.set({
-      value: true
-    });
-    console.log("Enabling first party isolation/val=", {
-      value: true
-    })
-    setting.then(onSet);
+    if (!getChrome()) {
+        var setting = browser.privacy.websites.firstPartyIsolate.set({
+          value: true
+        });
+        console.log("Enabling first party isolation/val=", {
+          value: true
+        })
+        setting.then(onSet);
+    }
 }
 
 // This rejects tracking cookies and third-party cookies but it
 // LEAVES "Persistent" Cookies unmodified in favor of an option in the content
 // interface for now
 function disableEvilCookies() {
-    var getting = browser.privacy.websites.cookieConfig.get({});
-    getting.then((got) => {
-        var setting = browser.privacy.websites.cookieConfig.set(
-            {value: {behavior: "reject_third_party",
-            nonPersistentCookies: got.value.nonPersistentCookies}}
-        );
-        console.log("Setting cookie behavior/val=", {value: {behavior: "reject_third_party",
-            nonPersistentCookies: got.value.nonPersistentCookies}})
-        setting.then(onSet);
-    });
+    if (!getChrome()) {
+        var getting = browser.privacy.websites.cookieConfig.get({});
+        getting.then((got) => {
+            var setting = browser.privacy.websites.cookieConfig.set(
+                {value: {behavior: "reject_third_party",
+                nonPersistentCookies: got.value.nonPersistentCookies}}
+            );
+            console.log("Setting cookie behavior/val=", {value: {behavior: "reject_third_party",
+                nonPersistentCookies: got.value.nonPersistentCookies}})
+            setting.then(onSet);
+        });
+    }
 }
 
 // Make sure that they're gone
@@ -81,13 +85,15 @@ function enableResistFingerprinting() {
 
 // This is essentially a blocklist of clearnet web-sites known to do bad tracking
 function enableTrackingProtection() {
-    var setting = browser.privacy.websites.trackingProtectionMode.set({
-      value: "always"
-    });
-    console.log("Enabling tracking protection/val=", {
-      value: "always"
-    })
-    setting.then(onSet);
+    if (!getChrome()) {
+        var setting = browser.privacy.websites.trackingProtectionMode.set({
+          value: "always"
+        });
+        console.log("Enabling tracking protection/val=", {
+          value: "always"
+        })
+        setting.then(onSet);
+    }
 }
 
 // This disables protected content, which is a form of digital restrictions
@@ -120,14 +126,18 @@ function setAllPrivacy() {
 setAllPrivacy()
 
 function ResetPeerConnection(){
-    browser.privacy.network.peerConnectionEnabled.set({value: false});
+    if (!getChrome()) {
+        browser.privacy.network.peerConnectionEnabled.set({value: false});
+    }
     browser.privacy.network.networkPredictionEnabled.set({value: false});
     browser.privacy.network.webRTCIPHandlingPolicy.set({value: "disable_non_proxied_udp"});
     console.log("Re-disabled WebRTC")
 }
 
 function EnablePeerConnection(){
-    browser.privacy.network.peerConnectionEnabled.set({value: true});
+    if (!getChrome()) {
+        browser.privacy.network.peerConnectionEnabled.set({value: true});
+    }
     browser.privacy.network.networkPredictionEnabled.set({value: false});
     browser.privacy.network.webRTCIPHandlingPolicy.set({value: "disable_non_proxied_udp"});
     console.log("Enabled WebRTC")
@@ -211,4 +221,5 @@ function forgetBrowsingData(storedSettings) {
 
   setAllPrivacy()
   ResetPeerConnection()
+
 }