diff --git a/package.json b/package.json
index dd2d85e7..ba3402a5 100644
--- a/package.json
+++ b/package.json
@@ -29,7 +29,7 @@
   "devDependencies": {
     "@babel/core": "^7.12.10",
     "@babel/runtime": "^7.12.5",
-    "@polkadot/dev": "^0.60.23",
+    "@polkadot/dev": "^0.60.27",
     "@polkadot/ts": "^0.3.58",
     "@types/jest": "^26.0.19",
     "babel-plugin-transform-vue-template": "^0.4.2",
diff --git a/packages/exampleReactNative/package.json b/packages/exampleReactNative/package.json
index 6d4be031..babbe848 100644
--- a/packages/exampleReactNative/package.json
+++ b/packages/exampleReactNative/package.json
@@ -12,12 +12,12 @@
     "test": "jest"
   },
   "dependencies": {
-    "@polkadot/keyring": "^4.2.2-12",
+    "@polkadot/keyring": "^4.2.2-14",
     "@polkadot/reactnative-identicon": "0.62.2-26",
     "@polkadot/ui-keyring": "0.62.2-26",
     "@polkadot/ui-settings": "0.62.2-26",
-    "@polkadot/util": "^4.2.2-12",
-    "@polkadot/util-crypto": "^4.2.2-12",
+    "@polkadot/util": "^4.2.2-14",
+    "@polkadot/util-crypto": "^4.2.2-14",
     "@react-native-community/async-storage": "^1.12.1",
     "fast-text-encoding": "^1.0.3",
     "get-yarn-workspaces": "^1.0.2",
diff --git a/packages/ledger/package.json b/packages/ledger/package.json
index 73798f7f..8cd6b75f 100644
--- a/packages/ledger/package.json
+++ b/packages/ledger/package.json
@@ -11,7 +11,7 @@
   "dependencies": {
     "@babel/runtime": "^7.12.5",
     "@polkadot/ledger-transports": "0.62.2-26",
-    "@polkadot/util": "^4.2.2-12",
+    "@polkadot/util": "^4.2.2-14",
     "@zondax/ledger-polkadot": "^0.12.0"
   },
   "peerDependencies": {
diff --git a/packages/react-identicon/package.json b/packages/react-identicon/package.json
index 500c49f7..1762f488 100644
--- a/packages/react-identicon/package.json
+++ b/packages/react-identicon/package.json
@@ -9,11 +9,11 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/keyring": "^4.2.2-12",
+    "@polkadot/keyring": "^4.2.2-14",
     "@polkadot/ui-settings": "0.62.2-26",
     "@polkadot/ui-shared": "0.62.2-26",
-    "@polkadot/util": "^4.2.2-12",
-    "@polkadot/util-crypto": "^4.2.2-12",
+    "@polkadot/util": "^4.2.2-14",
+    "@polkadot/util-crypto": "^4.2.2-14",
     "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 3435924c..6839efef 100644
--- a/packages/react-qr/package.json
+++ b/packages/react-qr/package.json
@@ -9,8 +9,8 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/util": "^4.2.2-12",
-    "@polkadot/util-crypto": "^4.2.2-12",
+    "@polkadot/util": "^4.2.2-14",
+    "@polkadot/util-crypto": "^4.2.2-14",
     "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 7f29bb3f..45613789 100644
--- a/packages/reactnative-identicon/package.json
+++ b/packages/reactnative-identicon/package.json
@@ -10,8 +10,8 @@
   "dependencies": {
     "@babel/runtime": "^7.12.5",
     "@polkadot/ui-shared": "0.62.2-26",
-    "@polkadot/util": "^4.2.2-12",
-    "@polkadot/util-crypto": "^4.2.2-12",
+    "@polkadot/util": "^4.2.2-14",
+    "@polkadot/util-crypto": "^4.2.2-14",
     "react-native-svg": "^12.1.0"
   },
   "peerDependencies": {
diff --git a/packages/ui-keyring/package.json b/packages/ui-keyring/package.json
index 0aa9967b..86c8e4ef 100644
--- a/packages/ui-keyring/package.json
+++ b/packages/ui-keyring/package.json
@@ -10,16 +10,16 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/keyring": "^4.2.2-12",
+    "@polkadot/keyring": "^4.2.2-14",
     "@polkadot/ledger": "^0.62.2-26",
     "@polkadot/ui-settings": "0.62.2-26",
-    "@polkadot/util": "^4.2.2-12",
+    "@polkadot/util": "^4.2.2-14",
+    "@polkadot/x-rxjs": "^2.10.2-13",
     "mkdirp": "^1.0.4",
-    "rxjs": "^6.6.3",
     "store": "^2.0.12"
   },
   "devDependencies": {
-    "@polkadot/types": "^2.10.2-12",
+    "@polkadot/types": "^2.10.2-13",
     "@types/mkdirp": "^1.0.1",
     "@types/store": "^2.0.2"
   },
diff --git a/packages/ui-keyring/src/observable/env.ts b/packages/ui-keyring/src/observable/env.ts
index 08ae02bf..37af3a26 100644
--- a/packages/ui-keyring/src/observable/env.ts
+++ b/packages/ui-keyring/src/observable/env.ts
@@ -1,7 +1,7 @@
 // Copyright 2017-2020 @polkadot/ui-keyring authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import { BehaviorSubject } from 'rxjs';
+import { BehaviorSubject } from '@polkadot/x-rxjs';
 
 const subject = new BehaviorSubject(false);
 
diff --git a/packages/ui-keyring/src/observable/genericSubject.ts b/packages/ui-keyring/src/observable/genericSubject.ts
index af74a25c..e2df1da4 100644
--- a/packages/ui-keyring/src/observable/genericSubject.ts
+++ b/packages/ui-keyring/src/observable/genericSubject.ts
@@ -5,7 +5,7 @@ import type { KeypairType } from '@polkadot/util-crypto/types';
 import type { KeyringJson, KeyringStore } from '../types';
 import type { AddressSubject, SingleAddress, SubjectInfo } from './types';
 
-import { BehaviorSubject } from 'rxjs';
+import { BehaviorSubject } from '@polkadot/x-rxjs';
 
 import { createOptionItem } from '../options/item';
 import { env } from './env';
diff --git a/packages/ui-keyring/src/observable/index.ts b/packages/ui-keyring/src/observable/index.ts
index 4f1339ce..fa5a7e1a 100644
--- a/packages/ui-keyring/src/observable/index.ts
+++ b/packages/ui-keyring/src/observable/index.ts
@@ -3,8 +3,8 @@
 
 import type { SubjectInfo } from './types';
 
-import { combineLatest } from 'rxjs';
-import { map } from 'rxjs/operators';
+import { combineLatest } from '@polkadot/x-rxjs';
+import { map } from '@polkadot/x-rxjs/operators';
 
 import { accounts } from './accounts';
 import { addresses } from './addresses';
diff --git a/packages/ui-keyring/src/observable/types.ts b/packages/ui-keyring/src/observable/types.ts
index 8f55a2f7..44b47ec9 100644
--- a/packages/ui-keyring/src/observable/types.ts
+++ b/packages/ui-keyring/src/observable/types.ts
@@ -1,8 +1,8 @@
 // Copyright 2017-2020 @polkadot/ui-keyring authors & contributors
 // SPDX-License-Identifier: Apache-2.0
 
-import type { BehaviorSubject } from 'rxjs';
 import type { KeypairType } from '@polkadot/util-crypto/types';
+import type { BehaviorSubject } from '@polkadot/x-rxjs';
 import type { KeyringSectionOption } from '../options/types';
 import type { KeyringJson, KeyringStore } from '../types';
 
diff --git a/packages/ui-keyring/src/options/index.ts b/packages/ui-keyring/src/options/index.ts
index 00217e47..b78f8467 100644
--- a/packages/ui-keyring/src/options/index.ts
+++ b/packages/ui-keyring/src/options/index.ts
@@ -5,9 +5,8 @@ import type { SingleAddress } from '../observable/types';
 import type { KeyringStruct } from '../types';
 import type { KeyringOptionInstance, KeyringOptions, KeyringSectionOption, KeyringSectionOptions } from './types';
 
-import { BehaviorSubject } from 'rxjs';
-
 import { assert } from '@polkadot/util';
+import { BehaviorSubject } from '@polkadot/x-rxjs';
 
 import { obervableAll } from '../observable';
 
diff --git a/packages/ui-settings/package.json b/packages/ui-settings/package.json
index b4b40d0d..cb9806d0 100644
--- a/packages/ui-settings/package.json
+++ b/packages/ui-settings/package.json
@@ -9,8 +9,8 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/networks": "^4.2.2-12",
-    "@polkadot/util": "^4.2.2-12",
+    "@polkadot/networks": "^4.2.2-14",
+    "@polkadot/util": "^4.2.2-14",
     "eventemitter3": "^4.0.7",
     "store": "^2.0.12"
   },
diff --git a/packages/ui-shared/package.json b/packages/ui-shared/package.json
index 178a6f81..07abfec9 100644
--- a/packages/ui-shared/package.json
+++ b/packages/ui-shared/package.json
@@ -16,8 +16,8 @@
     "@polkadot/util-crypto": "*"
   },
   "devDependencies": {
-    "@polkadot/util": "^4.2.2-12",
-    "@polkadot/util-crypto": "^4.2.2-12",
+    "@polkadot/util": "^4.2.2-14",
+    "@polkadot/util-crypto": "^4.2.2-14",
     "@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 d1e4123b..b99f9168 100644
--- a/packages/vue-identicon/package.json
+++ b/packages/vue-identicon/package.json
@@ -10,8 +10,8 @@
   "dependencies": {
     "@babel/runtime": "^7.12.5",
     "@polkadot/ui-shared": "0.62.2-26",
-    "@polkadot/util": "^4.2.2-12",
-    "@polkadot/util-crypto": "^4.2.2-12",
+    "@polkadot/util": "^4.2.2-14",
+    "@polkadot/util-crypto": "^4.2.2-14",
     "jdenticon": "2.2.0"
   },
   "peerDependencies": {
diff --git a/yarn.lock b/yarn.lock
index 59f4f769..62b3542c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2002,27 +2002,27 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/bytes-asmjs-crypto@npm:^2.0.2-12":
-  version: 2.0.2-12
-  resolution: "@polkadot/bytes-asmjs-crypto@npm:2.0.2-12"
+"@polkadot/bytes-asmjs-crypto@npm:^2.0.2-14":
+  version: 2.0.2-14
+  resolution: "@polkadot/bytes-asmjs-crypto@npm:2.0.2-14"
   dependencies:
     "@babel/runtime": ^7.12.5
-  checksum: a8a756813a0a0ed0e2cf5b4fa72a0a06ebfba50e727ef5061303d9a80d7fa09072e17c6f8027d84b3f8ffec0e20e18a195aa6622a0d8e461dbe823fde0b795fb
+  checksum: bfa664d6bdaeb16a0aae7c15541b275012bb20c88fd0983989b936152807a91f66abd8360362ba042d93254e8a7979097b14c4d8a4a2d16498e59853297f116f
   languageName: node
   linkType: hard
 
-"@polkadot/bytes-wasm-crypto@npm:^2.0.2-12":
-  version: 2.0.2-12
-  resolution: "@polkadot/bytes-wasm-crypto@npm:2.0.2-12"
+"@polkadot/bytes-wasm-crypto@npm:^2.0.2-14":
+  version: 2.0.2-14
+  resolution: "@polkadot/bytes-wasm-crypto@npm:2.0.2-14"
   dependencies:
     "@babel/runtime": ^7.12.5
-  checksum: e91b8b2826cb463deb054d311d16b08997eb8ecaab5c19540501d78fc40550630da5fb1d06940c75ca3541ba0bf6479b3ccaea8f3ce5889ac122d28a63facfa3
+  checksum: 09708e3fbb0d4121ffdc60839598112eaaf88b323ace5f50c5c09fd0808a59da95632a7cf14ee1e718f19b8c4a43048e72cbaefb3b3a2821cd29abaf912253c8
   languageName: node
   linkType: hard
 
-"@polkadot/dev@npm:^0.60.23":
-  version: 0.60.23
-  resolution: "@polkadot/dev@npm:0.60.23"
+"@polkadot/dev@npm:^0.60.27":
+  version: 0.60.27
+  resolution: "@polkadot/dev@npm:0.60.27"
   dependencies:
     "@babel/cli": ^7.12.10
     "@babel/core": ^7.12.10
@@ -2110,7 +2110,7 @@ __metadata:
     polkadot-exec-typedoc: scripts/polkadot-exec-typedoc.cjs
     polkadot-exec-vuepress: scripts/polkadot-exec-vuepress.cjs
     polkadot-exec-webpack: scripts/polkadot-exec-webpack.cjs
-  checksum: e6d1d95ea6dbc6713344f776b9638cea7c649fb56a4713d4c7f579ba0e918937a679e7dd65f09f6cf44da363767ed5a1c7689646043721c317cacfe880e66ed1
+  checksum: e4e90914eed69bd21f6617265030388e4d651046e156717a816e5a4719b75abbb5641e71025d2df1a71e45265b0fcadd201450e4b4ae67abf9b56dc029a2bb65
   languageName: node
   linkType: hard
 
@@ -2130,17 +2130,17 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/keyring@npm:^4.2.2-12":
-  version: 4.2.2-12
-  resolution: "@polkadot/keyring@npm:4.2.2-12"
+"@polkadot/keyring@npm:^4.2.2-14":
+  version: 4.2.2-14
+  resolution: "@polkadot/keyring@npm:4.2.2-14"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/util": 4.2.2-12
-    "@polkadot/util-crypto": 4.2.2-12
+    "@polkadot/util": 4.2.2-14
+    "@polkadot/util-crypto": 4.2.2-14
   peerDependencies:
-    "@polkadot/util": 4.2.2-12
-    "@polkadot/util-crypto": 4.2.2-12
-  checksum: 7b20916f2d8f17dab71a3cd48bbc1c2695f0a20169b4ca233587778eae7b2c10358a470b61c5598b87c9e25f28848b3f9a61e545f798a562410cc7f41d883088
+    "@polkadot/util": 4.2.2-14
+    "@polkadot/util-crypto": 4.2.2-14
+  checksum: ce58b1adb052c05dcfa41afbfdd32adfd326583dc7adbb034e1fee5241b998fcd398e2f281cc8338bb8056ea3601d6e6a3583cb8d239d8457ae6e73cf2d7ae86
   languageName: node
   linkType: hard
 
@@ -2165,33 +2165,33 @@ __metadata:
   dependencies:
     "@babel/runtime": ^7.12.5
     "@polkadot/ledger-transports": 0.62.2-26
-    "@polkadot/util": ^4.2.2-12
+    "@polkadot/util": ^4.2.2-14
     "@zondax/ledger-polkadot": ^0.12.0
   peerDependencies:
     "@polkadot/util": "*"
   languageName: unknown
   linkType: soft
 
-"@polkadot/metadata@npm:2.10.2-12":
-  version: 2.10.2-12
-  resolution: "@polkadot/metadata@npm:2.10.2-12"
+"@polkadot/metadata@npm:2.10.2-13":
+  version: 2.10.2-13
+  resolution: "@polkadot/metadata@npm:2.10.2-13"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/types": 2.10.2-12
-    "@polkadot/types-known": 2.10.2-12
-    "@polkadot/util": ^4.2.2-12
-    "@polkadot/util-crypto": ^4.2.2-12
+    "@polkadot/types": 2.10.2-13
+    "@polkadot/types-known": 2.10.2-13
+    "@polkadot/util": ^4.2.2-14
+    "@polkadot/util-crypto": ^4.2.2-14
     bn.js: ^4.11.9
-  checksum: 84b3aa868b4d06c1d8c99fe5b0aadcd5dca5dff3b6a7f3cd3436a215f71758e9931112e8a4cfdbb1c3e326e18776fe0affd94daa57e83b56cd7a43227f8f6e31
+  checksum: a26e9f3baebd9d254ee79b64ad6a5f87435cf738b7e37eefd62eec88476b0c82100916fd9a08c1bf5601e823e2cf13cd4de2f3ec940e050a964ab23b640d741f
   languageName: node
   linkType: hard
 
-"@polkadot/networks@npm:4.2.2-12, @polkadot/networks@npm:^4.2.2-12":
-  version: 4.2.2-12
-  resolution: "@polkadot/networks@npm:4.2.2-12"
+"@polkadot/networks@npm:4.2.2-14, @polkadot/networks@npm:^4.2.2-14":
+  version: 4.2.2-14
+  resolution: "@polkadot/networks@npm:4.2.2-14"
   dependencies:
     "@babel/runtime": ^7.12.5
-  checksum: 3cce7e4bc5d9586e3c6e3c5abade3f7a469e542ba33b9b624f39d1fe58cd2c23874cdaddf6401af075f0143412c76ef45e76386f784a50ce62fe805acdb634cf
+  checksum: be0fe0c2e9c0f87d0402f3b265f260a74530f64f4babc0de081917dd2b9521e46ff55738574e374020fa63bf4db20946bf3bc889f9be938937fc5fa3e1e45203
   languageName: node
   linkType: hard
 
@@ -2200,11 +2200,11 @@ __metadata:
   resolution: "@polkadot/react-identicon@workspace:packages/react-identicon"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/keyring": ^4.2.2-12
+    "@polkadot/keyring": ^4.2.2-14
     "@polkadot/ui-settings": 0.62.2-26
     "@polkadot/ui-shared": 0.62.2-26
-    "@polkadot/util": ^4.2.2-12
-    "@polkadot/util-crypto": ^4.2.2-12
+    "@polkadot/util": ^4.2.2-14
+    "@polkadot/util-crypto": ^4.2.2-14
     "@types/react-copy-to-clipboard": ^4.3.0
     "@types/react-dom": ^17.0.0
     "@types/styled-components": ^5.1.5
@@ -2230,8 +2230,8 @@ __metadata:
   resolution: "@polkadot/react-qr@workspace:packages/react-qr"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/util": ^4.2.2-12
-    "@polkadot/util-crypto": ^4.2.2-12
+    "@polkadot/util": ^4.2.2-14
+    "@polkadot/util-crypto": ^4.2.2-14
     "@types/react-qr-reader": ^2.1.3
     "@types/styled-components": ^5.1.5
     qrcode-generator: ^1.4.4
@@ -2252,8 +2252,8 @@ __metadata:
   dependencies:
     "@babel/runtime": ^7.12.5
     "@polkadot/ui-shared": 0.62.2-26
-    "@polkadot/util": ^4.2.2-12
-    "@polkadot/util-crypto": ^4.2.2-12
+    "@polkadot/util": ^4.2.2-14
+    "@polkadot/util-crypto": ^4.2.2-14
     "@types/react-native": ^0.63.37
     react-native-svg: ^12.1.0
   peerDependencies:
@@ -2273,31 +2273,31 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/types-known@npm:2.10.2-12":
-  version: 2.10.2-12
-  resolution: "@polkadot/types-known@npm:2.10.2-12"
+"@polkadot/types-known@npm:2.10.2-13":
+  version: 2.10.2-13
+  resolution: "@polkadot/types-known@npm:2.10.2-13"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/types": 2.10.2-12
-    "@polkadot/util": ^4.2.2-12
+    "@polkadot/types": 2.10.2-13
+    "@polkadot/util": ^4.2.2-14
     bn.js: ^4.11.9
-  checksum: 852c1093b2f2b91adc3e700a707096c2bda6cca876f2d43cbe3bc4a5c226c56d08982d5684c5f0aa1739eac88a15fcebe7586efc0434cdaac060a0803bb87417
+  checksum: 03591611736cc007e9cee3c611b265b1baad6c1f5264169405762de4b5f2d014c01e56ec69a8d118a56edeacefb590dfc74980a22aaac88dcbf1dabc11b52a6d
   languageName: node
   linkType: hard
 
-"@polkadot/types@npm:2.10.2-12, @polkadot/types@npm:^2.10.2-12":
-  version: 2.10.2-12
-  resolution: "@polkadot/types@npm:2.10.2-12"
+"@polkadot/types@npm:2.10.2-13, @polkadot/types@npm:^2.10.2-13":
+  version: 2.10.2-13
+  resolution: "@polkadot/types@npm:2.10.2-13"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/metadata": 2.10.2-12
-    "@polkadot/util": ^4.2.2-12
-    "@polkadot/util-crypto": ^4.2.2-12
+    "@polkadot/metadata": 2.10.2-13
+    "@polkadot/util": ^4.2.2-14
+    "@polkadot/util-crypto": ^4.2.2-14
+    "@polkadot/x-rxjs": 2.10.2-13
     "@types/bn.js": ^4.11.6
     bn.js: ^4.11.9
     memoizee: ^0.4.14
-    rxjs: ^6.6.3
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