diff --git a/babel.esnext-unused.js b/babel.esnext.js
similarity index 100%
rename from babel.esnext-unused.js
rename to babel.esnext.js
diff --git a/package.json b/package.json
index a877f4dd..6cbc1e90 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   "devDependencies": {
     "@babel/core": "^7.12.3",
     "@babel/runtime": "^7.12.5",
-    "@polkadot/dev": "^0.59.21",
+    "@polkadot/dev": "^0.59.22",
     "@polkadot/ts": "^0.3.53",
     "@types/jest": "^26.0.15",
     "babel-plugin-transform-vue-template": "^0.4.2",
diff --git a/packages/exampleReactNative/package.json b/packages/exampleReactNative/package.json
index 5a567b4f..efb033e4 100644
--- a/packages/exampleReactNative/package.json
+++ b/packages/exampleReactNative/package.json
@@ -12,12 +12,12 @@
     "test": "jest"
   },
   "dependencies": {
-    "@polkadot/keyring": "^4.0.2-7",
+    "@polkadot/keyring": "^4.0.2-8",
     "@polkadot/reactnative-identicon": "0.62.2-3",
     "@polkadot/ui-keyring": "0.62.2-3",
     "@polkadot/ui-settings": "0.62.2-3",
-    "@polkadot/util": "^4.0.2-7",
-    "@polkadot/util-crypto": "^4.0.2-7",
+    "@polkadot/util": "^4.0.2-8",
+    "@polkadot/util-crypto": "^4.0.2-8",
     "@react-native-community/async-storage": "^1.12.1",
     "fast-text-encoding": "^1.0.3",
     "get-yarn-workspaces": "^1.0.2",
diff --git a/packages/react-identicon/package.json b/packages/react-identicon/package.json
index 21ed07db..6a82b19b 100644
--- a/packages/react-identicon/package.json
+++ b/packages/react-identicon/package.json
@@ -3,7 +3,7 @@
   "version": "0.62.2-3",
   "description": "Renders an SVG picture representing an address",
   "main": "index.js",
-  "module": "esnext/index.js",
+  "module": "index.mjs",
   "sideEffects": false,
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "maintainers": [
@@ -12,11 +12,11 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/keyring": "^4.0.2-7",
+    "@polkadot/keyring": "^4.0.2-8",
     "@polkadot/ui-settings": "0.62.2-3",
     "@polkadot/ui-shared": "0.62.2-3",
-    "@polkadot/util": "^4.0.2-7",
-    "@polkadot/util-crypto": "^4.0.2-7",
+    "@polkadot/util": "^4.0.2-8",
+    "@polkadot/util-crypto": "^4.0.2-8",
     "color": "^3.1.3",
     "ethereum-blockies-base64": "^1.0.2",
     "jdenticon": "2.2.0",
diff --git a/packages/react-qr/package.json b/packages/react-qr/package.json
index f59caf0a..93b026f9 100644
--- a/packages/react-qr/package.json
+++ b/packages/react-qr/package.json
@@ -3,7 +3,7 @@
   "version": "0.62.2-3",
   "description": "Generates and reads QR codes",
   "main": "index.js",
-  "module": "esnext/index.js",
+  "module": "index.mjs",
   "sideEffects": false,
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "maintainers": [
@@ -12,8 +12,8 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/util": "^4.0.2-7",
-    "@polkadot/util-crypto": "^4.0.2-7",
+    "@polkadot/util": "^4.0.2-8",
+    "@polkadot/util-crypto": "^4.0.2-8",
     "qrcode-generator": "^1.4.4",
     "react-qr-reader": "^2.2.1",
     "styled-components": "^5.2.1"
diff --git a/packages/reactnative-identicon/package.json b/packages/reactnative-identicon/package.json
index 16c3fcd5..347c93bf 100644
--- a/packages/reactnative-identicon/package.json
+++ b/packages/reactnative-identicon/package.json
@@ -3,7 +3,7 @@
   "version": "0.62.2-3",
   "description": "Renders an SVG picture representing an address",
   "main": "index.js",
-  "module": "esnext/index.js",
+  "module": "index.mjs",
   "sideEffects": false,
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "maintainers": [
@@ -13,8 +13,8 @@
   "dependencies": {
     "@babel/runtime": "^7.12.5",
     "@polkadot/ui-shared": "0.62.2-3",
-    "@polkadot/util": "^4.0.2-7",
-    "@polkadot/util-crypto": "^4.0.2-7",
+    "@polkadot/util": "^4.0.2-8",
+    "@polkadot/util-crypto": "^4.0.2-8",
     "react-native-svg": "^12.1.0"
   },
   "peerDependencies": {
diff --git a/packages/ui-keyring/package.json b/packages/ui-keyring/package.json
index a9b1b7b0..952ee2c9 100644
--- a/packages/ui-keyring/package.json
+++ b/packages/ui-keyring/package.json
@@ -2,7 +2,7 @@
   "name": "@polkadot/ui-keyring",
   "version": "0.62.2-3",
   "main": "index.js",
-  "module": "esnext/index.js",
+  "module": "index.mjs",
   "sideEffects": false,
   "repository": "https://github.com/polkadot-js/apps.git",
   "author": "Jaco Greeff <jacogr@gmail.com>",
@@ -21,16 +21,16 @@
   "dependencies": {
     "@babel/runtime": "^7.12.5",
     "@ledgerhq/hw-transport-webusb": "^5.28.0",
-    "@polkadot/keyring": "^4.0.2-7",
+    "@polkadot/keyring": "^4.0.2-8",
     "@polkadot/ui-settings": "0.62.2-3",
-    "@polkadot/util": "^4.0.2-7",
+    "@polkadot/util": "^4.0.2-8",
     "@zondax/ledger-polkadot": "^0.11.0",
     "mkdirp": "^1.0.4",
     "rxjs": "^6.6.3",
     "store": "^2.0.12"
   },
   "devDependencies": {
-    "@polkadot/types": "^2.6.2-2",
+    "@polkadot/types": "^2.6.2-4",
     "@types/ledgerhq__hw-transport-node-hid": "^4.22.2",
     "@types/ledgerhq__hw-transport-webusb": "^4.70.1",
     "@types/mkdirp": "^1.0.1",
diff --git a/packages/ui-settings/package.json b/packages/ui-settings/package.json
index bd61b482..c4fec776 100644
--- a/packages/ui-settings/package.json
+++ b/packages/ui-settings/package.json
@@ -3,7 +3,7 @@
   "version": "0.62.2-3",
   "description": "Manages app settings",
   "main": "index.js",
-  "module": "esnext/index.js",
+  "module": "index.mjs",
   "sideEffects": false,
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "maintainers": [
@@ -12,8 +12,8 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/networks": "^4.0.2-7",
-    "@polkadot/util": "^4.0.2-7",
+    "@polkadot/networks": "^4.0.2-8",
+    "@polkadot/util": "^4.0.2-8",
     "eventemitter3": "^4.0.7",
     "store": "^2.0.12"
   },
diff --git a/packages/ui-shared/package.json b/packages/ui-shared/package.json
index ce14fb25..3e75a73c 100644
--- a/packages/ui-shared/package.json
+++ b/packages/ui-shared/package.json
@@ -3,7 +3,7 @@
   "version": "0.62.2-3",
   "description": "Shared logic that is usable accross all frameworks-specific areas",
   "main": "index.js",
-  "module": "esnext/index.js",
+  "module": "index.mjs",
   "sideEffects": false,
   "author": "Jaco Greeff <jacogr@gmail.com>",
   "maintainers": [
@@ -19,8 +19,8 @@
     "@polkadot/util-crypto": "*"
   },
   "devDependencies": {
-    "@polkadot/util": "^4.0.2-7",
-    "@polkadot/util-crypto": "^4.0.2-7",
+    "@polkadot/util": "^4.0.2-8",
+    "@polkadot/util-crypto": "^4.0.2-8",
     "@types/color": "^3.0.1",
     "@types/xmlserializer": "^0.6.1"
   }
diff --git a/packages/vue-identicon/package.json b/packages/vue-identicon/package.json
index 66bc982a..161c54dc 100644
--- a/packages/vue-identicon/package.json
+++ b/packages/vue-identicon/package.json
@@ -7,14 +7,14 @@
     "Jaco Greeff <jacogr@gmail.com>"
   ],
   "main": "index.js",
-  "module": "esnext/index.js",
+  "module": "index.mjs",
   "sideEffects": false,
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
     "@polkadot/ui-shared": "0.62.2-3",
-    "@polkadot/util": "^4.0.2-7",
-    "@polkadot/util-crypto": "^4.0.2-7",
+    "@polkadot/util": "^4.0.2-8",
+    "@polkadot/util-crypto": "^4.0.2-8",
     "jdenticon": "2.2.0"
   },
   "peerDependencies": {
diff --git a/yarn.lock b/yarn.lock
index eaf86bb0..150d0811 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2090,9 +2090,9 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/dev@npm:^0.59.21":
-  version: 0.59.21
-  resolution: "@polkadot/dev@npm:0.59.21"
+"@polkadot/dev@npm:^0.59.22":
+  version: 0.59.22
+  resolution: "@polkadot/dev@npm:0.59.22"
   dependencies:
     "@babel/cli": ^7.12.1
     "@babel/core": ^7.12.3
@@ -2119,6 +2119,7 @@ __metadata:
     "@typescript-eslint/parser": 4.6.1
     "@vue/component-compiler-utils": ^3.2.0
     babel-jest: ^26.6.3
+    babel-plugin-module-extension-resolver: ^0.3.0
     babel-plugin-module-resolver: ^4.0.0
     babel-plugin-styled-components: ^1.11.1
     browserslist: ^4.14.6
@@ -2178,7 +2179,7 @@ __metadata:
     polkadot-exec-typedoc: scripts/polkadot-exec-typedoc.js
     polkadot-exec-vuepress: scripts/polkadot-exec-vuepress.js
     polkadot-exec-webpack: scripts/polkadot-exec-webpack.js
-  checksum: c853d9077c256e68074fc2c08ff8e7e140f01e547e71a8021c71373c3b0fedf7a0e013e9e91eef463f3be60031ca5a1e5c7b490740d5eba5cc5e96b337369a2f
+  checksum: cdd11d3f5c5a3bb525be7a954b1d9679771e627719b703fd799fcc4e32694b519260607dc0df7c2ec98450cf61f711f61bed6f9801a6792be84547ff6cf75c43
   languageName: node
   linkType: hard
 
@@ -2198,40 +2199,40 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/keyring@npm:^4.0.2-7":
-  version: 4.0.2-7
-  resolution: "@polkadot/keyring@npm:4.0.2-7"
+"@polkadot/keyring@npm:^4.0.2-8":
+  version: 4.0.2-8
+  resolution: "@polkadot/keyring@npm:4.0.2-8"
   dependencies:
     "@babel/runtime": ^7.12.1
-    "@polkadot/util": 4.0.2-7
-    "@polkadot/util-crypto": 4.0.2-7
+    "@polkadot/util": 4.0.2-8
+    "@polkadot/util-crypto": 4.0.2-8
   peerDependencies:
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+    "@polkadot/util": 4.0.2-8
+    "@polkadot/util-crypto": 4.0.2-8
+  checksum: 7703a93a2a6e9f836bae5522c42a81f30b1e4372b2e30562a91d50256124070c0017391f0d0110814e5908e52641aec0b6f606eeb84c0650c6f78c4b882acc45
   languageName: node
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-"@polkadot/metadata@npm:2.6.2-2":
-  version: 2.6.2-2
-  resolution: "@polkadot/metadata@npm:2.6.2-2"
+"@polkadot/metadata@npm:2.6.2-4":
+  version: 2.6.2-4
+  resolution: "@polkadot/metadata@npm:2.6.2-4"
   dependencies:
     "@babel/runtime": ^7.12.1
-    "@polkadot/types": 2.6.2-2
-    "@polkadot/types-known": 2.6.2-2
-    "@polkadot/util": ^4.0.2-7
-    "@polkadot/util-crypto": ^4.0.2-7
+    "@polkadot/types": 2.6.2-4
+    "@polkadot/types-known": 2.6.2-4
+    "@polkadot/util": ^4.0.2-8
+    "@polkadot/util-crypto": ^4.0.2-8
     bn.js: ^5.1.3
-  checksum: dbbc5c1d8555d520bf040dea81cbf0fa57fe4a192032878db1b9410266aeed261bef93251e350c424fc91e884fa2f6943dcdc90310cb713a5782e488c22a2905
+  checksum: 2f3e98be13e82a5cf5283b43dc3696b4a433f512c6a85ff6b444e4257064fb7edbaac77950c7ec82703b23324630444096041ef587cb104ba6d495fc1d5a9241
   languageName: node
   linkType: hard
 
-"@polkadot/networks@npm:4.0.2-7, @polkadot/networks@npm:^4.0.2-7":
-  version: 4.0.2-7
-  resolution: "@polkadot/networks@npm:4.0.2-7"
+"@polkadot/networks@npm:4.0.2-8, @polkadot/networks@npm:^4.0.2-8":
+  version: 4.0.2-8
+  resolution: "@polkadot/networks@npm:4.0.2-8"
   dependencies:
     "@babel/runtime": ^7.12.1
-  checksum: 2502c6db7cb7f5a69b54b8eca7f26479b819cf85065df901ec9aea2979a2932521d5c1bb907ea07c68119adefd92bc91817c6d011e7c4098d3ba193d0fedc7b4
+  checksum: 252915eb0f0ab0e852bc3276b0b7f2f507ef2b8527229edaa8b77231b511145e1bcbe5593bde1d1c21a1cb054b70865c0ac91ab163a88056864a27dcc9680e92
   languageName: node
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@@ -2240,11 +2241,11 @@ __metadata:
   resolution: "@polkadot/react-identicon@workspace:packages/react-identicon"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/keyring": ^4.0.2-7
+    "@polkadot/keyring": ^4.0.2-8
     "@polkadot/ui-settings": 0.62.2-3
     "@polkadot/ui-shared": 0.62.2-3
-    "@polkadot/util": ^4.0.2-7
-    "@polkadot/util-crypto": ^4.0.2-7
+    "@polkadot/util": ^4.0.2-8
+    "@polkadot/util-crypto": ^4.0.2-8
     "@types/react-copy-to-clipboard": ^4.3.0
     "@types/react-dom": ^16.9.9
     "@types/styled-components": ^5.1.4
@@ -2270,8 +2271,8 @@ __metadata:
   resolution: "@polkadot/react-qr@workspace:packages/react-qr"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/util": ^4.0.2-7
-    "@polkadot/util-crypto": ^4.0.2-7
+    "@polkadot/util": ^4.0.2-8
+    "@polkadot/util-crypto": ^4.0.2-8
     "@types/react-qr-reader": ^2.1.3
     "@types/styled-components": ^5.1.4
     qrcode-generator: ^1.4.4
@@ -2292,8 +2293,8 @@ __metadata:
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     "@polkadot/ui-shared": 0.62.2-3
-    "@polkadot/util": ^4.0.2-7
-    "@polkadot/util-crypto": ^4.0.2-7
+    "@polkadot/util": ^4.0.2-8
+    "@polkadot/util-crypto": ^4.0.2-8
     "@types/react-native": ^0.63.32
     react-native-svg: ^12.1.0
   peerDependencies:
@@ -2313,31 +2314,31 @@ __metadata:
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   linkType: hard
 
-"@polkadot/types-known@npm:2.6.2-2":
-  version: 2.6.2-2
-  resolution: "@polkadot/types-known@npm:2.6.2-2"
+"@polkadot/types-known@npm:2.6.2-4":
+  version: 2.6.2-4
+  resolution: "@polkadot/types-known@npm:2.6.2-4"
   dependencies:
     "@babel/runtime": ^7.12.1
-    "@polkadot/types": 2.6.2-2
-    "@polkadot/util": ^4.0.2-7
+    "@polkadot/types": 2.6.2-4
+    "@polkadot/util": ^4.0.2-8
     bn.js: ^5.1.3
-  checksum: 3444482df413fd488fed478d803c832fb2326748555646c9e9c3c4969cb10c390616ae319b8160fa813f3d874fefe4c8b0fac85e92bb2c67652c02767476be7b
+  checksum: 1c3ffa7dc01fc8d082627321133b7552acd8c31c018c9d83f9e9835d9e7f30cbbbac695366ee1ec8916b8ebc4cce50988c926e3e6396660def2b4072668c752a
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-"@polkadot/types@npm:2.6.2-2, @polkadot/types@npm:^2.6.2-2":
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-  resolution: "@polkadot/types@npm:2.6.2-2"
+"@polkadot/types@npm:2.6.2-4, @polkadot/types@npm:^2.6.2-4":
+  version: 2.6.2-4
+  resolution: "@polkadot/types@npm:2.6.2-4"
   dependencies:
     "@babel/runtime": ^7.12.1
-    "@polkadot/metadata": 2.6.2-2
-    "@polkadot/util": ^4.0.2-7
-    "@polkadot/util-crypto": ^4.0.2-7
+    "@polkadot/metadata": 2.6.2-4
+    "@polkadot/util": ^4.0.2-8
+    "@polkadot/util-crypto": ^4.0.2-8
     "@types/bn.js": ^4.11.6
     bn.js: ^5.1.3
     memoizee: ^0.4.14
     rxjs: ^6.6.3
-  checksum: ce2042b496b71a4bd07281c6df02f435282d34d90f3c6f29e4f6b8405ca2cfdf5e458195e9be64c323ab2ed4b423f151087627a88fae654b81a2d5a8032a4af4
+  checksum: 27284f6d3c54d0f2dc97c85e7667e1827ab5680f944cd85bc0543a0355112898316d2d4b0848b7cf1183f043de2c1f8d11af8d4099f537d4709f314f326f647f
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@@ -2356,10 +2357,10 @@ __metadata:
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     "@ledgerhq/hw-transport-node-hid": ^5.28.0
     "@ledgerhq/hw-transport-webusb": ^5.28.0
-    "@polkadot/keyring": ^4.0.2-7
-    "@polkadot/types": ^2.6.2-2
+    "@polkadot/keyring": ^4.0.2-8
+    "@polkadot/types": ^2.6.2-4
     "@polkadot/ui-settings": 0.62.2-3
-    "@polkadot/util": ^4.0.2-7
+    "@polkadot/util": ^4.0.2-8
     "@types/ledgerhq__hw-transport-node-hid": ^4.22.2
     "@types/ledgerhq__hw-transport-webusb": ^4.70.1
     "@types/mkdirp": ^1.0.1
@@ -2383,8 +2384,8 @@ __metadata:
   resolution: "@polkadot/ui-settings@workspace:packages/ui-settings"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/networks": ^4.0.2-7
-    "@polkadot/util": ^4.0.2-7
+    "@polkadot/networks": ^4.0.2-8
+    "@polkadot/util": ^4.0.2-8
     "@types/store": ^2.0.2
     eventemitter3: ^4.0.7
     store: ^2.0.12
@@ -2399,8 +2400,8 @@ __metadata:
   resolution: "@polkadot/ui-shared@workspace:packages/ui-shared"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/util": ^4.0.2-7
-    "@polkadot/util-crypto": ^4.0.2-7
+    "@polkadot/util": ^4.0.2-8
+    "@polkadot/util-crypto": ^4.0.2-8
     "@types/color": ^3.0.1
     "@types/xmlserializer": ^0.6.1
     color: ^3.1.3
@@ -2410,15 +2411,15 @@ __metadata:
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   linkType: soft
 
-"@polkadot/util-crypto@npm:4.0.2-7, @polkadot/util-crypto@npm:^4.0.2-7":
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-  resolution: "@polkadot/util-crypto@npm:4.0.2-7"
+"@polkadot/util-crypto@npm:4.0.2-8, @polkadot/util-crypto@npm:^4.0.2-8":
+  version: 4.0.2-8
+  resolution: "@polkadot/util-crypto@npm:4.0.2-8"
   dependencies:
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-    "@polkadot/networks": 4.0.2-7
-    "@polkadot/util": 4.0.2-7
+    "@polkadot/networks": 4.0.2-8
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     "@polkadot/wasm-crypto": ^2.0.1
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     blakejs: ^1.1.0
     bn.js: ^5.1.3
@@ -2431,23 +2432,23 @@ __metadata:
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     xxhashjs: ^0.2.2
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-  resolution: "@polkadot/util@npm:4.0.2-7"
+"@polkadot/util@npm:4.0.2-8, @polkadot/util@npm:^4.0.2-8":
+  version: 4.0.2-8
+  resolution: "@polkadot/util@npm:4.0.2-8"
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-    "@polkadot/x-textdecoder": 4.0.2-7
-    "@polkadot/x-textencoder": 4.0.2-7
+    "@polkadot/x-textdecoder": 4.0.2-8
+    "@polkadot/x-textencoder": 4.0.2-8
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     bn.js: ^5.1.3
     camelcase: ^5.3.1
     ip-regex: ^4.2.0
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@@ -2457,8 +2458,8 @@ __metadata:
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-    "@polkadot/util": ^4.0.2-7
-    "@polkadot/util-crypto": ^4.0.2-7
+    "@polkadot/util": ^4.0.2-8
+    "@polkadot/util-crypto": ^4.0.2-8
     jdenticon: 2.2.0
     vue: ^2.6.12
   peerDependencies:
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-  resolution: "@polkadot/x-randomvalues@npm:4.0.2-7"
+"@polkadot/x-randomvalues@npm:4.0.2-8":
+  version: 4.0.2-8
+  resolution: "@polkadot/x-randomvalues@npm:4.0.2-8"
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-  resolution: "@polkadot/x-textdecoder@npm:4.0.2-7"
+"@polkadot/x-textdecoder@npm:4.0.2-8":
+  version: 4.0.2-8
+  resolution: "@polkadot/x-textdecoder@npm:4.0.2-8"
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-  checksum: bcf46de6c280fce2499a623996ef519abefc06bb9a54d42e35fe827495f30e7424dd53ce570627039349e04b6ba942a30e44fcdc163412d04d0c6eafc6cd3bef
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-  resolution: "@polkadot/x-textencoder@npm:4.0.2-7"
+"@polkadot/x-textencoder@npm:4.0.2-8":
+  version: 4.0.2-8
+  resolution: "@polkadot/x-textencoder@npm:4.0.2-8"
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@@ -4128,6 +4129,13 @@ __metadata:
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+"babel-plugin-module-extension-resolver@npm:^0.3.0":
+  version: 0.3.0
+  resolution: "babel-plugin-module-extension-resolver@npm:0.3.0"
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+  languageName: node
+  linkType: hard
+
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   resolution: "babel-plugin-module-resolver@npm:4.0.0"
@@ -7018,12 +7026,12 @@ __metadata:
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     "@babel/runtime": ^7.12.5
-    "@polkadot/keyring": ^4.0.2-7
+    "@polkadot/keyring": ^4.0.2-8
     "@polkadot/reactnative-identicon": 0.62.2-3
     "@polkadot/ui-keyring": 0.62.2-3
     "@polkadot/ui-settings": 0.62.2-3
-    "@polkadot/util": ^4.0.2-7
-    "@polkadot/util-crypto": ^4.0.2-7
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+    "@polkadot/util-crypto": ^4.0.2-8
     "@react-native-community/async-storage": ^1.12.1
     "@react-native-community/cli-platform-ios": ^4.13.0
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@@ -13932,7 +13940,7 @@ fsevents@^1.2.7:
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     "@babel/runtime": ^7.12.5
-    "@polkadot/dev": ^0.59.21
+    "@polkadot/dev": ^0.59.22
     "@polkadot/ts": ^0.3.53
     "@types/jest": ^26.0.15
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