diff --git a/package.json b/package.json
index 9206606d..444a1360 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   "devDependencies": {
     "@babel/core": "^7.9.0",
     "@babel/runtime": "^7.9.2",
-    "@polkadot/dev": "^0.51.7",
+    "@polkadot/dev": "^0.51.9",
     "@polkadot/ts": "^0.3.14",
     "@types/jest": "^25.1.4",
     "babel-plugin-transform-vue-template": "^0.4.2",
diff --git a/packages/example-react/src/index.tsx b/packages/example-react/src/index.tsx
index c0b9c778..e7bc47e1 100644
--- a/packages/example-react/src/index.tsx
+++ b/packages/example-react/src/index.tsx
@@ -2,7 +2,7 @@
 // This software may be modified and distributed under the terms
 // of the Apache-2.0 license. See the LICENSE file for details.
 
-import React, { useEffect, useState } from 'react';
+import React, { useCallback, useEffect, useState } from 'react';
 import ReactDOM from 'react-dom';
 import Identicon from '@polkadot/react-identicon';
 import keyring from '@polkadot/ui-keyring';
@@ -24,19 +24,23 @@ function App ({ className }: Props): React.ReactElement<Props> | null {
   const [phrase, setPhrase] = useState<string | null>(null);
   const [ss58Format, setSS58Format] = useState(42);
 
-  const _onClickNew = (): void => {
-    const phrase = mnemonicGenerate(12);
-    const { address } = keyring.createFromUri(phrase);
+  const _onClickNew = useCallback(
+    (): void => {
+      const phrase = mnemonicGenerate(12);
+      const { address } = keyring.createFromUri(phrase);
 
-    setAddress(keyring.encodeAddress(address, ss58Format));
-    setPhrase(phrase);
-  };
+      setAddress(keyring.encodeAddress(address, ss58Format));
+      setPhrase(phrase);
+    },
+    [ss58Format]
+  );
   const _onChangeSS58Format = ({ currentTarget: { value } }: React.SyntheticEvent<HTMLSelectElement>): void => {
     setSS58Format(parseInt(value, 10));
   };
 
   useEffect((): void => {
     _onClickNew();
+  // eslint-disable-next-line react-hooks/exhaustive-deps
   }, []);
 
   useEffect((): void => {
diff --git a/packages/exampleReactNative/App.tsx b/packages/exampleReactNative/App.tsx
index b8483cb5..d68f1ba1 100644
--- a/packages/exampleReactNative/App.tsx
+++ b/packages/exampleReactNative/App.tsx
@@ -47,7 +47,7 @@ const styles = StyleSheet.create({
 const globalAny = global as unknown as Window;
 
 export default function App (): React.ReactElement<{}> | null {
-  const [ready, setReady] = useState(false);
+  const [isReady, setReady] = useState(false);
   const [address, setAddress] = useState<string | null>(null);
   const [phrase, setPhrase] = useState<string | null>(null);
   const [ss58Format, setSS58Format] = useState(42);
@@ -65,12 +65,13 @@ export default function App (): React.ReactElement<{}> | null {
   };
 
   useEffect((): void => {
-    ready && _onClickNew();
-  }, []);
+    isReady && _onClickNew();
+  // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [isReady]);
 
   useEffect((): void => {
-    ready && address && setAddress(keyring.encodeAddress(address, ss58Format));
-  }, [address, ss58Format]);
+    isReady && address && setAddress(keyring.encodeAddress(address, ss58Format));
+  }, [address, isReady, ss58Format]);
 
   const initialize = async (): Promise<void> => {
     try {
@@ -84,11 +85,11 @@ export default function App (): React.ReactElement<{}> | null {
     _onClickNew();
   };
 
-  if (!ready) {
+  if (!isReady) {
     initialize();
   }
 
-  if (!ready || !address || !phrase) {
+  if (!isReady || !address || !phrase) {
     return null;
   }
 
diff --git a/packages/exampleReactNative/package.json b/packages/exampleReactNative/package.json
index e3970327..798770d2 100644
--- a/packages/exampleReactNative/package.json
+++ b/packages/exampleReactNative/package.json
@@ -40,9 +40,9 @@
   "devDependencies": {
     "@babel/core": "^7.9.0",
     "@babel/runtime": "^7.9.2",
-    "@polkadot/keyring": "^2.6.2",
-    "@polkadot/util": "^2.6.2",
-    "@polkadot/util-crypto": "^2.6.2",
+    "@polkadot/keyring": "^2.7.0-beta.8",
+    "@polkadot/util": "^2.7.0-beta.8",
+    "@polkadot/util-crypto": "^2.7.0-beta.8",
     "@react-native-community/cli-platform-ios": "^4.3.0",
     "@types/react-test-renderer": "16.9.2",
     "babel-jest": "^25.1.0",
diff --git a/packages/react-identicon/package.json b/packages/react-identicon/package.json
index 1ac34057..a569ee22 100644
--- a/packages/react-identicon/package.json
+++ b/packages/react-identicon/package.json
@@ -26,9 +26,9 @@
     "react-is": "*"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^2.6.2",
-    "@polkadot/util": "^2.6.2",
-    "@polkadot/util-crypto": "^2.6.2",
+    "@polkadot/keyring": "^2.7.0-beta.8",
+    "@polkadot/util": "^2.7.0-beta.8",
+    "@polkadot/util-crypto": "^2.7.0-beta.8",
     "@types/react-copy-to-clipboard": "^4.3.0",
     "@types/react-dom": "^16.9.5",
     "@types/styled-components": "^5.0.1",
diff --git a/packages/reactnative-identicon/package.json b/packages/reactnative-identicon/package.json
index 0ad001a0..e4e0ada5 100644
--- a/packages/reactnative-identicon/package.json
+++ b/packages/reactnative-identicon/package.json
@@ -19,7 +19,7 @@
     "react-native": "*"
   },
   "devDependencies": {
-    "@polkadot/util-crypto": "^2.6.2",
+    "@polkadot/util-crypto": "^2.7.0-beta.8",
     "@types/react-native": "^0.61.23"
   }
 }
diff --git a/packages/ui-keyring/package.json b/packages/ui-keyring/package.json
index a99fd3bf..3f3292fc 100644
--- a/packages/ui-keyring/package.json
+++ b/packages/ui-keyring/package.json
@@ -27,9 +27,9 @@
     "store": "^2.0.12"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^2.6.2",
-    "@polkadot/types": "^1.8.1",
-    "@polkadot/util": "^2.6.2",
+    "@polkadot/keyring": "^2.7.0-beta.8",
+    "@polkadot/types": "^1.9.0-beta.12",
+    "@polkadot/util": "^2.7.0-beta.8",
     "@types/ledgerhq__hw-transport-node-hid": "^4.22.1",
     "@types/ledgerhq__hw-transport-u2f": "^4.21.1",
     "@types/mkdirp": "^1.0.0",
diff --git a/packages/ui-settings/package.json b/packages/ui-settings/package.json
index 14c16a6c..f23cd3cd 100644
--- a/packages/ui-settings/package.json
+++ b/packages/ui-settings/package.json
@@ -14,7 +14,7 @@
     "store": "^2.0.12"
   },
   "devDependencies": {
-    "@polkadot/util": "^2.6.2",
+    "@polkadot/util": "^2.7.0-beta.8",
     "@types/store": "^2.0.2"
   },
   "peerDependencies": {
diff --git a/packages/ui-shared/package.json b/packages/ui-shared/package.json
index 6a0fd9dc..f9d17776 100644
--- a/packages/ui-shared/package.json
+++ b/packages/ui-shared/package.json
@@ -17,8 +17,8 @@
     "@polkadot/util-crypto": "*"
   },
   "devDependencies": {
-    "@polkadot/util": "^2.6.2",
-    "@polkadot/util-crypto": "^2.6.2",
+    "@polkadot/util": "^2.7.0-beta.8",
+    "@polkadot/util-crypto": "^2.7.0-beta.8",
     "@types/color": "^3.0.1"
   }
 }
diff --git a/packages/vue-identicon/package.json b/packages/vue-identicon/package.json
index 31deb8ed..34379cad 100644
--- a/packages/vue-identicon/package.json
+++ b/packages/vue-identicon/package.json
@@ -18,7 +18,7 @@
     "vue": "*"
   },
   "devDependencies": {
-    "@polkadot/util-crypto": "^2.6.2",
+    "@polkadot/util-crypto": "^2.7.0-beta.8",
     "vue": "^2.6.11"
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 25a2f541..b75e0901 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1110,7 +1110,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/plugin-transform-react-jsx@npm:^7.0.0, @babel/plugin-transform-react-jsx@npm:^7.9.1":
+"@babel/plugin-transform-react-jsx@npm:^7.0.0":
   version: 7.9.1
   resolution: "@babel/plugin-transform-react-jsx@npm:7.9.1"
   dependencies:
@@ -1124,6 +1124,20 @@ __metadata:
   languageName: node
   linkType: hard
 
+"@babel/plugin-transform-react-jsx@npm:^7.9.4":
+  version: 7.9.4
+  resolution: "@babel/plugin-transform-react-jsx@npm:7.9.4"
+  dependencies:
+    "@babel/helper-builder-react-jsx": ^7.9.0
+    "@babel/helper-builder-react-jsx-experimental": ^7.9.0
+    "@babel/helper-plugin-utils": ^7.8.3
+    "@babel/plugin-syntax-jsx": ^7.8.3
+  peerDependencies:
+    "@babel/core": ^7.0.0-0
+  checksum: 2/e9e6f0499442577a3dd12ad64d41de31a23646653b9ad4857d1df5e354528d4c639419ebd911f324803b4e0d0ebed2a147d93f13afe1f4bc5bb9bed5cd56f2f4
+  languageName: node
+  linkType: hard
+
 "@babel/plugin-transform-regenerator@npm:^7.0.0, @babel/plugin-transform-regenerator@npm:^7.8.7":
   version: 7.8.7
   resolution: "@babel/plugin-transform-regenerator@npm:7.8.7"
@@ -1327,19 +1341,19 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/preset-react@npm:^7.9.1":
-  version: 7.9.1
-  resolution: "@babel/preset-react@npm:7.9.1"
+"@babel/preset-react@npm:^7.9.4":
+  version: 7.9.4
+  resolution: "@babel/preset-react@npm:7.9.4"
   dependencies:
     "@babel/helper-plugin-utils": ^7.8.3
     "@babel/plugin-transform-react-display-name": ^7.8.3
-    "@babel/plugin-transform-react-jsx": ^7.9.1
+    "@babel/plugin-transform-react-jsx": ^7.9.4
     "@babel/plugin-transform-react-jsx-development": ^7.9.0
     "@babel/plugin-transform-react-jsx-self": ^7.9.0
     "@babel/plugin-transform-react-jsx-source": ^7.9.0
   peerDependencies:
     "@babel/core": ^7.0.0-0
-  checksum: 2/40986497972b9743558a408a78157ef6aec05374e5f130b7bab29dc4eaf49c8934116fb83ae17648bf679212a17d2469b37d338057ab282dced0fd9f1051cbce
+  checksum: 2/1c5bc153630dc16af04c0e00842feebc229197bf73e51e1032064972f72f799fe1c9816ee7e52eb2d1a8d00ce7e926a41e56f8e7d94e8d6a56dfcdc1e827b92a
   languageName: node
   linkType: hard
 
@@ -1380,7 +1394,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@babel/runtime@npm:^7.0.0, @babel/runtime@npm:^7.4.4, @babel/runtime@npm:^7.8.4, @babel/runtime@npm:^7.8.7, @babel/runtime@npm:^7.9.0":
+"@babel/runtime@npm:^7.0.0, @babel/runtime@npm:^7.4.4, @babel/runtime@npm:^7.8.4":
   version: 7.9.0
   resolution: "@babel/runtime@npm:7.9.0"
   dependencies:
@@ -1640,62 +1654,62 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jest/console@npm:^25.1.0":
-  version: 25.1.0
-  resolution: "@jest/console@npm:25.1.0"
+"@jest/console@npm:^25.2.3":
+  version: 25.2.3
+  resolution: "@jest/console@npm:25.2.3"
   dependencies:
-    "@jest/source-map": ^25.1.0
+    "@jest/source-map": ^25.2.1
     chalk: ^3.0.0
-    jest-util: ^25.1.0
+    jest-util: ^25.2.3
     slash: ^3.0.0
-  checksum: 2/3986255b0405457ab45a122641d8a6d68212ef65b62dbb020d071c0d9136544aa221f7260ad8d313e5caadd2f05f826d0cf9301cd64a7991cef844350abbdc0d
+  checksum: 2/b5841a78849487540cd18aad909df9f04af6cf2d0603ff24ee7e8ff32b15212b9c5c525618808b9c00c0e504084b6da415dd5cf729302ed8e2f79502c0236176
   languageName: node
   linkType: hard
 
-"@jest/core@npm:^25.1.0":
-  version: 25.1.0
-  resolution: "@jest/core@npm:25.1.0"
+"@jest/core@npm:^25.2.3":
+  version: 25.2.3
+  resolution: "@jest/core@npm:25.2.3"
   dependencies:
-    "@jest/console": ^25.1.0
-    "@jest/reporters": ^25.1.0
-    "@jest/test-result": ^25.1.0
-    "@jest/transform": ^25.1.0
-    "@jest/types": ^25.1.0
+    "@jest/console": ^25.2.3
+    "@jest/reporters": ^25.2.3
+    "@jest/test-result": ^25.2.3
+    "@jest/transform": ^25.2.3
+    "@jest/types": ^25.2.3
     ansi-escapes: ^4.2.1
     chalk: ^3.0.0
     exit: ^0.1.2
     graceful-fs: ^4.2.3
-    jest-changed-files: ^25.1.0
-    jest-config: ^25.1.0
-    jest-haste-map: ^25.1.0
-    jest-message-util: ^25.1.0
-    jest-regex-util: ^25.1.0
-    jest-resolve: ^25.1.0
-    jest-resolve-dependencies: ^25.1.0
-    jest-runner: ^25.1.0
-    jest-runtime: ^25.1.0
-    jest-snapshot: ^25.1.0
-    jest-util: ^25.1.0
-    jest-validate: ^25.1.0
-    jest-watcher: ^25.1.0
+    jest-changed-files: ^25.2.3
+    jest-config: ^25.2.3
+    jest-haste-map: ^25.2.3
+    jest-message-util: ^25.2.3
+    jest-regex-util: ^25.2.1
+    jest-resolve: ^25.2.3
+    jest-resolve-dependencies: ^25.2.3
+    jest-runner: ^25.2.3
+    jest-runtime: ^25.2.3
+    jest-snapshot: ^25.2.3
+    jest-util: ^25.2.3
+    jest-validate: ^25.2.3
+    jest-watcher: ^25.2.3
     micromatch: ^4.0.2
     p-each-series: ^2.1.0
-    realpath-native: ^1.1.0
+    realpath-native: ^2.0.0
     rimraf: ^3.0.0
     slash: ^3.0.0
     strip-ansi: ^6.0.0
-  checksum: 2/f81391954e7ce1a4db9669ca35bb2b2ac411f000f97e2ccd1f72509f6a6d9106ddf613f86b10613e35156f7462ad5bd8e7e75fe6b924f346a86b3b00820f4d4b
+  checksum: 2/402fea735abdd435b062276dfbe5d1fdfe8c2b9077eaf4119fa6c681573268f79bb9312329a747c5586ca70c731a55b6434a16e7737f2db3102f24bd904dbcd5
   languageName: node
   linkType: hard
 
-"@jest/environment@npm:^25.1.0":
-  version: 25.1.0
-  resolution: "@jest/environment@npm:25.1.0"
+"@jest/environment@npm:^25.2.3":
+  version: 25.2.3
+  resolution: "@jest/environment@npm:25.2.3"
   dependencies:
-    "@jest/fake-timers": ^25.1.0
-    "@jest/types": ^25.1.0
-    jest-mock: ^25.1.0
-  checksum: 2/8500504cb84c5cfc358790ea37b86be7e4edcc1e5d0667f60b45755531c5d47b3d97c89297d439cb07ebf8d47aa83c1db75fadcd384e09ff2f690d44b292675a
+    "@jest/fake-timers": ^25.2.3
+    "@jest/types": ^25.2.3
+    jest-mock: ^25.2.3
+  checksum: 2/aeeba5d16ec8d6542f94070811accc539e5e3b4ac7689f6cc45f1159c808a49d2b2917d16be2ae56aa1d8cdfc150d99413e593913ac523c675791fdc5ab63f8c
   languageName: node
   linkType: hard
 
@@ -1710,29 +1724,28 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jest/fake-timers@npm:^25.1.0":
-  version: 25.1.0
-  resolution: "@jest/fake-timers@npm:25.1.0"
+"@jest/fake-timers@npm:^25.2.3":
+  version: 25.2.3
+  resolution: "@jest/fake-timers@npm:25.2.3"
   dependencies:
-    "@jest/types": ^25.1.0
-    jest-message-util: ^25.1.0
-    jest-mock: ^25.1.0
-    jest-util: ^25.1.0
+    "@jest/types": ^25.2.3
+    jest-message-util: ^25.2.3
+    jest-mock: ^25.2.3
+    jest-util: ^25.2.3
     lolex: ^5.0.0
-  checksum: 2/cee4fcae7177d5fd477491ea343084ff3d1732c891cd36a6804a990b4d83d41a9a58ec46cf3f4f16ec1d8c168fcfeb38307100f1335f5d409e7f1d9cef71de5e
+  checksum: 2/6449b3af369130afb80c6484fb594eaf5cc6ab4eadcc8bb5f9d166ee4528a0144abc4baf6c0bf8992a4699e4083d00412750a5cc481159c92e5115171e583bdb
   languageName: node
   linkType: hard
 
-"@jest/reporters@npm:^25.1.0":
-  version: 25.1.0
-  resolution: "@jest/reporters@npm:25.1.0"
+"@jest/reporters@npm:^25.2.3":
+  version: 25.2.3
+  resolution: "@jest/reporters@npm:25.2.3"
   dependencies:
     "@bcoe/v8-coverage": ^0.2.3
-    "@jest/console": ^25.1.0
-    "@jest/environment": ^25.1.0
-    "@jest/test-result": ^25.1.0
-    "@jest/transform": ^25.1.0
-    "@jest/types": ^25.1.0
+    "@jest/console": ^25.2.3
+    "@jest/test-result": ^25.2.3
+    "@jest/transform": ^25.2.3
+    "@jest/types": ^25.2.3
     chalk: ^3.0.0
     collect-v8-coverage: ^1.0.0
     exit: ^0.1.2
@@ -1742,11 +1755,10 @@ __metadata:
     istanbul-lib-report: ^3.0.0
     istanbul-lib-source-maps: ^4.0.0
     istanbul-reports: ^3.0.0
-    jest-haste-map: ^25.1.0
-    jest-resolve: ^25.1.0
-    jest-runtime: ^25.1.0
-    jest-util: ^25.1.0
-    jest-worker: ^25.1.0
+    jest-haste-map: ^25.2.3
+    jest-resolve: ^25.2.3
+    jest-util: ^25.2.3
+    jest-worker: ^25.2.1
     node-notifier: ^6.0.0
     slash: ^3.0.0
     source-map: ^0.6.0
@@ -1756,7 +1768,7 @@ __metadata:
   dependenciesMeta:
     node-notifier:
       optional: true
-  checksum: 2/647e0eef603d009fdfa8a3d4a038d08c11b76aec0f56b5da79211775f548aaa2782768bb05b05dcfff9b38ba3af4fc602eb6b4df1c5ddc93970f675dfa52bfa3
+  checksum: 2/7c67ffc87a382246063eae79eace10b0e940d48e486933dc5d2fdf0e9eb533780668277c651dfd6af46a50de729014ca1b5a1b99cb9685f1cd1d2356d37ede12
   languageName: node
   linkType: hard
 
@@ -1771,14 +1783,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jest/source-map@npm:^25.1.0":
-  version: 25.1.0
-  resolution: "@jest/source-map@npm:25.1.0"
+"@jest/source-map@npm:^25.2.1":
+  version: 25.2.1
+  resolution: "@jest/source-map@npm:25.2.1"
   dependencies:
     callsites: ^3.0.0
     graceful-fs: ^4.2.3
     source-map: ^0.6.0
-  checksum: 2/a1f7a85babe8bdd1e0303b1afe8873637dace553ad66830b343e647f0e0a9c6a7979ffcb03f6d50753731a91bb0048b501d3a25588aeeed31925c06615a0f588
+  checksum: 2/9702a5d5922e968e1f5b1fff029fd2a8c801ea5cf6e7c6d2c3e7059e4d19e5de5c011405d3d68f82fd33b279ef2218f3df6e31c49e7303bcc3044ef198553bb9
   languageName: node
   linkType: hard
 
@@ -1793,28 +1805,28 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@jest/test-result@npm:^25.1.0":
-  version: 25.1.0
-  resolution: "@jest/test-result@npm:25.1.0"
+"@jest/test-result@npm:^25.2.3":
+  version: 25.2.3
+  resolution: "@jest/test-result@npm:25.2.3"
   dependencies:
-    "@jest/console": ^25.1.0
-    "@jest/transform": ^25.1.0
-    "@jest/types": ^25.1.0
+    "@jest/console": ^25.2.3
+    "@jest/transform": ^25.2.3
+    "@jest/types": ^25.2.3
     "@types/istanbul-lib-coverage": ^2.0.0
     collect-v8-coverage: ^1.0.0
-  checksum: 2/de9cf85c28d60296521134e9756be6b0d463d2ed5f3b0106f0441332d7e33c83d333324ff8e0f39cda9f5d0aa6c548a71c8c8fb618b0e6ec8a25db0a9b63b3b6
+  checksum: 2/56b6f6994a8a70e08825258be23f2c9c86e6ebb748c6b9eff1871d993d0bd79757850e4c5fe5d5e7ff1b95e3c4de352fa315227632ac370361a3aef92936888f
   languageName: node
   linkType: hard
 
-"@jest/test-sequencer@npm:^25.1.0":
-  version: 25.1.0
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+  resolution: "@jest/types@npm:25.2.3"
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-    browserslist: ^4.10.0
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     gh-pages: ^2.2.0
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-    jest-cli: ^25.1.0
-    jest-config: ^25.1.0
-    jest-haste-map: ^25.1.0
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     typescript: ^3.8.3
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-    webpack: ^4.42.0
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-    "@polkadot/keyring": ^2.6.2
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+  languageName: node
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   languageName: node
   linkType: hard
 
-"yargs@npm:^15.0.0, yargs@npm:^15.3.1":
+"yargs@npm:^15.3.1":
   version: 15.3.1
   resolution: "yargs@npm:15.3.1"
   dependencies: