diff --git a/CHANGELOG.md b/CHANGELOG.md
index 088caecb7..fc20d601f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,10 @@
 
 ## Current Develop Branch
 
+## 9.1.1 Wed Mar 03 2021
+- [#10560](https://github.com/MetaMask/metamask-extension/pull/10560): Fix ENS resolution related crashes when switching networks on send screen
+- [#10561](https://github.com/MetaMask/metamask-extension/pull/10561): Fix crash when speeding up an attempt to cancel a transaction on custom networks
+
 ## 9.1.0 Mon Mar 01 2021
 - [#10265](https://github.com/MetaMask/metamask-extension/pull/10265): Update Japanese translations.
 - [#9388](https://github.com/MetaMask/metamask-extension/pull/9388): Update Chinese(Simplified) translations.
diff --git a/app/manifest/_base.json b/app/manifest/_base.json
index 2e0a5d625..8c04191bb 100644
--- a/app/manifest/_base.json
+++ b/app/manifest/_base.json
@@ -78,6 +78,6 @@
     "notifications"
   ],
   "short_name": "__MSG_appName__",
-  "version": "9.1.0",
+  "version": "9.1.1",
   "web_accessible_resources": ["inpage.js", "phishing.html"]
 }
diff --git a/ui/app/pages/send/send-content/add-recipient/ens-input.component.js b/ui/app/pages/send/send-content/add-recipient/ens-input.component.js
index a0977406e..f984f13d8 100644
--- a/ui/app/pages/send/send-content/add-recipient/ens-input.component.js
+++ b/ui/app/pages/send/send-content/add-recipient/ens-input.component.js
@@ -72,10 +72,19 @@ export default class EnsInput extends Component {
     }
 
     if (prevProps.network !== network) {
-      const provider = global.ethereumProvider;
-      this.ens = new ENS({ provider, network });
-      if (!newProvidedValue) {
-        newValue = input;
+      if (getNetworkEnsSupport(network)) {
+        const provider = global.ethereumProvider;
+        this.ens = new ENS({ provider, network });
+        this.checkName = debounce(this.lookupEnsName, 200);
+        if (!newProvidedValue) {
+          newValue = input;
+        }
+      } else {
+        // ens is null on mount on a network that does not have ens support
+        // this is intended to prevent accidental lookup of domains across
+        // networks
+        this.ens = null;
+        this.checkName = null;
       }
     }
 
diff --git a/ui/app/selectors/custom-gas.js b/ui/app/selectors/custom-gas.js
index b6662c03b..2cb40f5a6 100644
--- a/ui/app/selectors/custom-gas.js
+++ b/ui/app/selectors/custom-gas.js
@@ -64,7 +64,7 @@ export function isCustomPriceSafe(state) {
     return true;
   }
 
-  if (safeLow === null) {
+  if (!safeLow) {
     return false;
   }
 
diff --git a/ui/app/selectors/tests/custom-gas.test.js b/ui/app/selectors/tests/custom-gas.test.js
index 020648fbd..3afb1afdd 100644
--- a/ui/app/selectors/tests/custom-gas.test.js
+++ b/ui/app/selectors/tests/custom-gas.test.js
@@ -6,6 +6,7 @@ const {
   getCustomGasPrice,
   getRenderableBasicEstimateData,
   getRenderableEstimateDataForSmallButtonsFromGWEI,
+  isCustomPriceSafe,
 } = proxyquire('../custom-gas', {});
 
 describe('custom-gas selectors', function () {
@@ -15,6 +16,44 @@ describe('custom-gas selectors', function () {
       assert.strictEqual(getCustomGasPrice(mockState), 'mockPrice');
     });
   });
+  describe('isCustomGasPriceSafe()', function () {
+    it('should return true for gas.customData.price 0x77359400', function () {
+      const mockState = {
+        gas: {
+          customData: { price: '0x77359400' },
+          basicEstimates: { safeLow: 1 },
+        },
+      };
+      assert.strictEqual(isCustomPriceSafe(mockState), true);
+    });
+    it('should return true for gas.customData.price null', function () {
+      const mockState = {
+        gas: {
+          customData: { price: null },
+          basicEstimates: { safeLow: 1 },
+        },
+      };
+      assert.strictEqual(isCustomPriceSafe(mockState), true);
+    });
+    it('should return true gas.customData.price undefined', function () {
+      const mockState = {
+        gas: {
+          customData: { price: undefined },
+          basicEstimates: { safeLow: 1 },
+        },
+      };
+      assert.strictEqual(isCustomPriceSafe(mockState), true);
+    });
+    it('should return false gas.basicEstimates.safeLow undefined', function () {
+      const mockState = {
+        gas: {
+          customData: { price: '0x77359400' },
+          basicEstimates: { safeLow: undefined },
+        },
+      };
+      assert.strictEqual(isCustomPriceSafe(mockState), false);
+    });
+  });
 
   describe('getCustomGasLimit()', function () {
     it('should return gas.customData.limit', function () {