diff --git a/CHANGELOG.md b/CHANGELOG.md
index fcd8fd649f..3adf116019 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,10 @@
+# 1.16.0-beta.x
+
+- Support for final Polkadot types & signed extensions
+- support for latest Substrate types
+- Update to latest TypeScript, eslint & typescript-eslint
+- `@polkadot/util` 2.11
+
 # 1.15.1 May 23, 2020
 
 - Adjust `keyPrefix()` with DoubleMap args (Thanks to https://github.com/KiChjang)
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index bd2fec961c..5d7ff9fa1d 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -30,7 +30,7 @@
     "@polkadot/api": "1.16.0-beta.3",
     "@polkadot/rpc-core": "1.16.0-beta.3",
     "@polkadot/types": "1.16.0-beta.3",
-    "@polkadot/util": "^2.11.0-beta.2",
+    "@polkadot/util": "^2.11.1",
     "bn.js": "^5.1.2",
     "rxjs": "^6.5.5"
   }
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 19f71da1c1..1546d00d6a 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -32,13 +32,13 @@
     "@polkadot/rpc-core": "1.16.0-beta.3",
     "@polkadot/rpc-provider": "1.16.0-beta.3",
     "@polkadot/types": "1.16.0-beta.3",
-    "@polkadot/util": "^2.11.0-beta.2",
-    "@polkadot/util-crypto": "^2.11.0-beta.2",
+    "@polkadot/util": "^2.11.1",
+    "@polkadot/util-crypto": "^2.11.1",
     "bn.js": "^5.1.2",
     "memoizee": "^0.4.14",
     "rxjs": "^6.5.5"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^2.11.0-beta.2"
+    "@polkadot/keyring": "^2.11.1"
   }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index f32d730e98..48405a360f 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -28,19 +28,19 @@
   "dependencies": {
     "@babel/runtime": "^7.9.6",
     "@polkadot/api-derive": "1.16.0-beta.3",
-    "@polkadot/keyring": "^2.11.0-beta.2",
+    "@polkadot/keyring": "^2.11.1",
     "@polkadot/metadata": "1.16.0-beta.3",
     "@polkadot/rpc-core": "1.16.0-beta.3",
     "@polkadot/rpc-provider": "1.16.0-beta.3",
     "@polkadot/types": "1.16.0-beta.3",
     "@polkadot/types-known": "1.16.0-beta.3",
-    "@polkadot/util": "^2.11.0-beta.2",
-    "@polkadot/util-crypto": "^2.11.0-beta.2",
+    "@polkadot/util": "^2.11.1",
+    "@polkadot/util-crypto": "^2.11.1",
     "bn.js": "^5.1.2",
     "eventemitter3": "^4.0.4",
     "rxjs": "^6.5.5"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^2.11.0-beta.2"
+    "@polkadot/keyring": "^2.11.1"
   }
 }
diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index c08f66c99b..998d7b670c 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -29,11 +29,11 @@
     "@babel/runtime": "^7.9.6",
     "@polkadot/types": "1.16.0-beta.3",
     "@polkadot/types-known": "1.16.0-beta.3",
-    "@polkadot/util": "^2.11.0-beta.2",
-    "@polkadot/util-crypto": "^2.11.0-beta.2",
+    "@polkadot/util": "^2.11.1",
+    "@polkadot/util-crypto": "^2.11.1",
     "bn.js": "^5.1.2"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^2.11.0-beta.2"
+    "@polkadot/keyring": "^2.11.1"
   }
 }
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index fa9f103896..a983b80876 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -30,11 +30,11 @@
     "@polkadot/metadata": "1.16.0-beta.3",
     "@polkadot/rpc-provider": "1.16.0-beta.3",
     "@polkadot/types": "1.16.0-beta.3",
-    "@polkadot/util": "^2.11.0-beta.2",
+    "@polkadot/util": "^2.11.1",
     "memoizee": "^0.4.14",
     "rxjs": "^6.5.5"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^2.11.0-beta.2"
+    "@polkadot/keyring": "^2.11.1"
   }
 }
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index 198d6c4856..373d90d628 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -29,15 +29,15 @@
     "@babel/runtime": "^7.9.6",
     "@polkadot/metadata": "1.16.0-beta.3",
     "@polkadot/types": "1.16.0-beta.3",
-    "@polkadot/util": "^2.11.0-beta.2",
-    "@polkadot/util-crypto": "^2.11.0-beta.2",
+    "@polkadot/util": "^2.11.1",
+    "@polkadot/util-crypto": "^2.11.1",
     "bn.js": "^5.1.2",
     "eventemitter3": "^4.0.4",
     "isomorphic-fetch": "^2.2.1",
     "websocket": "^1.0.31"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^2.11.0-beta.2",
+    "@polkadot/keyring": "^2.11.1",
     "mock-socket": "^9.0.3",
     "nock": "^12.0.3"
   }
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index bf60ca223e..8075411a6b 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -40,7 +40,7 @@
     "@polkadot/metadata": "1.16.0-beta.3",
     "@polkadot/rpc-provider": "1.16.0-beta.3",
     "@polkadot/types": "1.16.0-beta.3",
-    "@polkadot/util": "^2.11.0-beta.2",
+    "@polkadot/util": "^2.11.1",
     "handlebars": "^4.7.6",
     "websocket": "^1.0.31",
     "yargs": "^15.3.1"
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index ed08f93bcc..467c3818e5 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -28,7 +28,7 @@
   "dependencies": {
     "@babel/runtime": "^7.9.6",
     "@polkadot/types": "1.16.0-beta.3",
-    "@polkadot/util": "^2.11.0-beta.2",
+    "@polkadot/util": "^2.11.1",
     "bn.js": "^5.1.2"
   },
   "devDependencies": {
diff --git a/packages/types-known/src/spec/polkadot.ts b/packages/types-known/src/spec/polkadot.ts
index cf23b429fc..461377a802 100644
--- a/packages/types-known/src/spec/polkadot.ts
+++ b/packages/types-known/src/spec/polkadot.ts
@@ -4,60 +4,10 @@
 
 import { OverrideVersionedType } from '@polkadot/types/types';
 
-// these are override types for Polkadot & Kusama chains
-// NOTE The SessionKeys definition for Polkadot and Substrate (OpaqueKeys
-// implementation) are different. Detect Polkadot and inject the `Keys`
-// definition as applicable. (4 keys in substrate vs 5 in Polkadot/CC3).
+// these are override types for Polkadot
 const versioned: OverrideVersionedType[] = [
   {
-    minmax: [1000, 1003],
-    types: {
-      Address: 'GenericAddress',
-      BalanceLock: 'BalanceLockTo212',
-      Keys: 'SessionKeys5',
-      LookupSource: 'Address',
-      Multiplier: 'Fixed64',
-      StakingLedger: 'StakingLedgerTo223',
-      Votes: 'VotesTo230',
-      Weight: 'u32'
-    }
-  },
-  {
-    minmax: [1004, 1004],
-    types: {
-      // Indices optional, not in transaction
-      Address: 'AccountId',
-      Keys: 'SessionKeys5',
-      LookupSource: 'AccountId',
-      Multiplier: 'Fixed64',
-      ReferendumInfo: 'ReferendumInfoTo239',
-      StakingLedger: 'StakingLedgerTo240',
-      Weight: 'u32'
-    }
-  },
-  {
-    minmax: [1005, 1005],
-    types: {
-      Address: 'AccountId',
-      Keys: 'SessionKeys5',
-      LookupSource: 'AccountId',
-      Multiplier: 'Fixed64',
-      StakingLedger: 'StakingLedgerTo240',
-      Weight: 'u32'
-    }
-  },
-  {
-    minmax: [1006, 1006],
-    types: {
-      Address: 'AccountId',
-      Keys: 'SessionKeys5',
-      LookupSource: 'AccountId',
-      Multiplier: 'Fixed64',
-      Weight: 'u32'
-    }
-  },
-  {
-    minmax: [1007, undefined],
+    minmax: [0, undefined],
     types: {
       Address: 'AccountId',
       Keys: 'SessionKeys5',
diff --git a/packages/types/package.json b/packages/types/package.json
index 3928c526a1..e6401457c5 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -28,15 +28,15 @@
   "dependencies": {
     "@babel/runtime": "^7.9.6",
     "@polkadot/metadata": "1.16.0-beta.3",
-    "@polkadot/util": "^2.11.0-beta.2",
-    "@polkadot/util-crypto": "^2.11.0-beta.2",
+    "@polkadot/util": "^2.11.1",
+    "@polkadot/util-crypto": "^2.11.1",
     "@types/bn.js": "^4.11.6",
     "bn.js": "^5.1.2",
     "memoizee": "^0.4.14",
     "rxjs": "^6.5.5"
   },
   "devDependencies": {
-    "@polkadot/keyring": "^2.11.0-beta.2",
+    "@polkadot/keyring": "^2.11.1",
     "@types/memoizee": "^0.4.4"
   }
 }
diff --git a/packages/types/src/extrinsic/signedExtensions/polkadot.ts b/packages/types/src/extrinsic/signedExtensions/polkadot.ts
index 05c9807380..d077f008f7 100644
--- a/packages/types/src/extrinsic/signedExtensions/polkadot.ts
+++ b/packages/types/src/extrinsic/signedExtensions/polkadot.ts
@@ -21,6 +21,10 @@ export default {
     extra: {},
     types: {}
   },
+  TransactionCallFilter: {
+    extra: {},
+    types: {}
+  },
   ValidateDoubleVoteReports: {
     extra: {},
     types: {}
diff --git a/yarn.lock b/yarn.lock
index e068a40d57..2c997b82ce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2628,11 +2628,11 @@ __metadata:
   linkType: hard
 
 "@octokit/types@npm:^4.0.1":
-  version: 4.0.1
-  resolution: "@octokit/types@npm:4.0.1"
+  version: 4.0.2
+  resolution: "@octokit/types@npm:4.0.2"
   dependencies:
     "@types/node": ">= 8"
-  checksum: 3/167047c28fa5435718ef20c760b46a76cd21ee391bd8ead2942c879933fb8f6efd790e4224f83266c08b0f5e4b3cb4d9da1512e7b48b098763759869b7822107
+  checksum: 3/3ddeefd099657e6982f03a98dae2655701cde0dfb1612095d4871dba594e36bda934c5b37e24c0a8f2d43bc6bdef1cdf3d04e6145a3940e827b7a3d876840e8f
   languageName: node
   linkType: hard
 
@@ -2644,7 +2644,7 @@ __metadata:
     "@polkadot/api": 1.16.0-beta.3
     "@polkadot/rpc-core": 1.16.0-beta.3
     "@polkadot/types": 1.16.0-beta.3
-    "@polkadot/util": ^2.11.0-beta.2
+    "@polkadot/util": ^2.11.1
     bn.js: ^5.1.2
     rxjs: ^6.5.5
   languageName: unknown
@@ -2656,12 +2656,12 @@ __metadata:
   dependencies:
     "@babel/runtime": ^7.9.6
     "@polkadot/api": 1.16.0-beta.3
-    "@polkadot/keyring": ^2.11.0-beta.2
+    "@polkadot/keyring": ^2.11.1
     "@polkadot/rpc-core": 1.16.0-beta.3
     "@polkadot/rpc-provider": 1.16.0-beta.3
     "@polkadot/types": 1.16.0-beta.3
-    "@polkadot/util": ^2.11.0-beta.2
-    "@polkadot/util-crypto": ^2.11.0-beta.2
+    "@polkadot/util": ^2.11.1
+    "@polkadot/util-crypto": ^2.11.1
     bn.js: ^5.1.2
     memoizee: ^0.4.14
     rxjs: ^6.5.5
@@ -2674,14 +2674,14 @@ __metadata:
   dependencies:
     "@babel/runtime": ^7.9.6
     "@polkadot/api-derive": 1.16.0-beta.3
-    "@polkadot/keyring": ^2.11.0-beta.2
+    "@polkadot/keyring": ^2.11.1
     "@polkadot/metadata": 1.16.0-beta.3
     "@polkadot/rpc-core": 1.16.0-beta.3
     "@polkadot/rpc-provider": 1.16.0-beta.3
     "@polkadot/types": 1.16.0-beta.3
     "@polkadot/types-known": 1.16.0-beta.3
-    "@polkadot/util": ^2.11.0-beta.2
-    "@polkadot/util-crypto": ^2.11.0-beta.2
+    "@polkadot/util": ^2.11.1
+    "@polkadot/util-crypto": ^2.11.1
     bn.js: ^5.1.2
     eventemitter3: ^4.0.4
     rxjs: ^6.5.5
@@ -2775,14 +2775,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/keyring@npm:^2.11.0-beta.2":
-  version: 2.11.0-beta.2
-  resolution: "@polkadot/keyring@npm:2.11.0-beta.2"
+"@polkadot/keyring@npm:^2.11.1":
+  version: 2.11.1
+  resolution: "@polkadot/keyring@npm:2.11.1"
   dependencies:
     "@babel/runtime": ^7.9.6
-    "@polkadot/util": 2.11.0-beta.2
-    "@polkadot/util-crypto": 2.11.0-beta.2
-  checksum: 3/f5bf0117757b32138a1c7f26f7f22ef5c9ddf934f184ecf36385121c44a6295b492d6da5260f5e33a086075019c6d724fc3e24710d920931f88149fb8a94a094
+    "@polkadot/util": 2.11.1
+    "@polkadot/util-crypto": 2.11.1
+  checksum: 3/31a9bf50ea3d3dc64de629439fe3f75d0d7fa61e3334acbd7cceda61248947e980728836836695c7ce7fbd973752e4c6d1a5c9f1f27bdd899997e19911e819f3
   languageName: node
   linkType: hard
 
@@ -2791,11 +2791,11 @@ __metadata:
   resolution: "@polkadot/metadata@workspace:packages/metadata"
   dependencies:
     "@babel/runtime": ^7.9.6
-    "@polkadot/keyring": ^2.11.0-beta.2
+    "@polkadot/keyring": ^2.11.1
     "@polkadot/types": 1.16.0-beta.3
     "@polkadot/types-known": 1.16.0-beta.3
-    "@polkadot/util": ^2.11.0-beta.2
-    "@polkadot/util-crypto": ^2.11.0-beta.2
+    "@polkadot/util": ^2.11.1
+    "@polkadot/util-crypto": ^2.11.1
     bn.js: ^5.1.2
   languageName: unknown
   linkType: soft
@@ -2805,11 +2805,11 @@ __metadata:
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@babel/runtime": ^7.9.6
-    "@polkadot/keyring": ^2.11.0-beta.2
+    "@polkadot/keyring": ^2.11.1
     "@polkadot/metadata": 1.16.0-beta.3
     "@polkadot/rpc-provider": 1.16.0-beta.3
     "@polkadot/types": 1.16.0-beta.3
-    "@polkadot/util": ^2.11.0-beta.2
+    "@polkadot/util": ^2.11.1
     memoizee: ^0.4.14
     rxjs: ^6.5.5
   languageName: unknown
@@ -2820,11 +2820,11 @@ __metadata:
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@babel/runtime": ^7.9.6
-    "@polkadot/keyring": ^2.11.0-beta.2
+    "@polkadot/keyring": ^2.11.1
     "@polkadot/metadata": 1.16.0-beta.3
     "@polkadot/types": 1.16.0-beta.3
-    "@polkadot/util": ^2.11.0-beta.2
-    "@polkadot/util-crypto": ^2.11.0-beta.2
+    "@polkadot/util": ^2.11.1
+    "@polkadot/util-crypto": ^2.11.1
     bn.js: ^5.1.2
     eventemitter3: ^4.0.4
     isomorphic-fetch: ^2.2.1
@@ -2854,7 +2854,7 @@ __metadata:
     "@polkadot/metadata": 1.16.0-beta.3
     "@polkadot/rpc-provider": 1.16.0-beta.3
     "@polkadot/types": 1.16.0-beta.3
-    "@polkadot/util": ^2.11.0-beta.2
+    "@polkadot/util": ^2.11.1
     "@types/websocket": ^1.0.0
     "@types/yargs": ^15.0.5
     handlebars: ^4.7.6
@@ -2875,7 +2875,7 @@ __metadata:
   dependencies:
     "@babel/runtime": ^7.9.6
     "@polkadot/types": 1.16.0-beta.3
-    "@polkadot/util": ^2.11.0-beta.2
+    "@polkadot/util": ^2.11.1
     "@types/bn.js": ^4.11.6
     bn.js: ^5.1.2
   languageName: unknown
@@ -2886,10 +2886,10 @@ __metadata:
   resolution: "@polkadot/types@workspace:packages/types"
   dependencies:
     "@babel/runtime": ^7.9.6
-    "@polkadot/keyring": ^2.11.0-beta.2
+    "@polkadot/keyring": ^2.11.1
     "@polkadot/metadata": 1.16.0-beta.3
-    "@polkadot/util": ^2.11.0-beta.2
-    "@polkadot/util-crypto": ^2.11.0-beta.2
+    "@polkadot/util": ^2.11.1
+    "@polkadot/util-crypto": ^2.11.1
     "@types/bn.js": ^4.11.6
     "@types/memoizee": ^0.4.4
     bn.js: ^5.1.2
@@ -2898,12 +2898,12 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/util-crypto@npm:2.11.0-beta.2, @polkadot/util-crypto@npm:^2.11.0-beta.2":
-  version: 2.11.0-beta.2
-  resolution: "@polkadot/util-crypto@npm:2.11.0-beta.2"
+"@polkadot/util-crypto@npm:2.11.1, @polkadot/util-crypto@npm:^2.11.1":
+  version: 2.11.1
+  resolution: "@polkadot/util-crypto@npm:2.11.1"
   dependencies:
     "@babel/runtime": ^7.9.6
-    "@polkadot/util": 2.11.0-beta.2
+    "@polkadot/util": 2.11.1
     "@polkadot/wasm-crypto": ^1.2.1
     base-x: ^3.0.8
     bip39: ^3.0.2
@@ -2915,13 +2915,13 @@ __metadata:
     pbkdf2: ^3.0.17
     tweetnacl: ^1.0.3
     xxhashjs: ^0.2.2
-  checksum: 3/72c814d7d1950ae2bbdd1fb68a7a77261315f94a7f3c76b017be9fd386c38dc4edb6812c753aa7162aecb7352785ede14d5af96c7e89f2f1fe52412776f1cf1a
+  checksum: 3/b91c8d5a7cd5f5b98927880035cc3ed8004e0243bbae75cd87209bb9c0bd153268ddb75a24daddf79ad3bd29fc4bc7b2ce36e1be17f923ccdefdf63990131397
   languageName: node
   linkType: hard
 
-"@polkadot/util@npm:2.11.0-beta.2, @polkadot/util@npm:^2.11.0-beta.2":
-  version: 2.11.0-beta.2
-  resolution: "@polkadot/util@npm:2.11.0-beta.2"
+"@polkadot/util@npm:2.11.1, @polkadot/util@npm:^2.11.1":
+  version: 2.11.1
+  resolution: "@polkadot/util@npm:2.11.1"
   dependencies:
     "@babel/runtime": ^7.9.6
     "@types/bn.js": ^4.11.6
@@ -2929,7 +2929,7 @@ __metadata:
     camelcase: ^5.3.1
     chalk: ^4.0.0
     ip-regex: ^4.1.0
-  checksum: 3/7d0d6222983984d39441dc68113439a178b90ab3670fe8e145180adf6f80f9952b175949154a6f725913d41888194641afe4e158a95a1bd7479e7d1757cb8b2d
+  checksum: 3/93659e39722a75004011074413c8c71be94df8cf4294275ee9ee90e9ddc66f110f89170ba4daa53f18f92c25f66ccd57bf36d78f123b8fa73cd3792fc5dfaa4f
   languageName: node
   linkType: hard
 
@@ -3365,8 +3365,8 @@ __metadata:
   linkType: hard
 
 "@vue/babel-preset-app@npm:^4.1.2":
-  version: 4.4.0
-  resolution: "@vue/babel-preset-app@npm:4.4.0"
+  version: 4.4.1
+  resolution: "@vue/babel-preset-app@npm:4.4.1"
   dependencies:
     "@babel/core": ^7.9.6
     "@babel/helper-compilation-targets": ^7.9.6
@@ -3382,9 +3382,14 @@ __metadata:
     babel-plugin-dynamic-import-node: ^2.3.3
     core-js: ^3.6.5
     core-js-compat: ^3.6.5
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 "cross-spawn@npm:^7.0.0, cross-spawn@npm:^7.0.2":
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-  resolution: "cross-spawn@npm:7.0.2"
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-  resolution: "postcss@npm:7.0.30"
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