diff --git a/CHANGELOG.md b/CHANGELOG.md
index 498efb8032..8b402952c5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,16 @@
 # CHANGELOG
 
+## 3.10.2 Feb 23, 2021
+
+Upgrade priority: Medium. Recommended for users of chains where `MultiAddress` is in-use and blocks are decoded.
+
+Changes:
+
+- Fix decoding for `MultiAddress` enum where non-`AccountId` variable-lengths are provided as part of a stream
+- Added known Polkadot 28 upgrade block
+- Update for latest Substrate contracts `Schedule` types
+
+
 ## 3.10.1 Feb 22, 2021
 
 Upgrade priority: Low.
diff --git a/package.json b/package.json
index af3a4436b3..2fbcf8685a 100644
--- a/package.json
+++ b/package.json
@@ -34,5 +34,5 @@
     "@types/jest": "^26.0.20",
     "copyfiles": "^2.4.1"
   },
-  "version": "3.10.2-0"
+  "version": "3.10.2"
 }
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index 3100dcbf36..430612d34c 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "3.10.2-0",
+  "version": "3.10.2",
   "description": "Interfaces for interacting with contracts and contract ABIs",
   "main": "index.js",
   "sideEffects": false,
@@ -13,8 +13,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-contract#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.18",
-    "@polkadot/api": "3.10.2-0",
-    "@polkadot/types": "3.10.2-0",
+    "@polkadot/api": "3.10.2",
+    "@polkadot/types": "3.10.2",
     "@polkadot/util": "^5.7.1",
     "@polkadot/x-rxjs": "^5.7.1",
     "bn.js": "^4.11.9"
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index c459af75b2..9811a04ab5 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "3.10.2-0",
+  "version": "3.10.2",
   "description": "Common functions used across Polkadot, derived from RPC calls and storage queries.",
   "main": "index.js",
   "sideEffects": false,
@@ -13,9 +13,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-derive#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.18",
-    "@polkadot/api": "3.10.2-0",
-    "@polkadot/rpc-core": "3.10.2-0",
-    "@polkadot/types": "3.10.2-0",
+    "@polkadot/api": "3.10.2",
+    "@polkadot/rpc-core": "3.10.2",
+    "@polkadot/types": "3.10.2",
     "@polkadot/util": "^5.7.1",
     "@polkadot/util-crypto": "^5.7.1",
     "@polkadot/x-rxjs": "^5.7.1",
@@ -23,6 +23,6 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^5.7.1",
-    "@polkadot/rpc-provider": "3.10.2-0"
+    "@polkadot/rpc-provider": "3.10.2"
   }
 }
diff --git a/packages/api/package.json b/packages/api/package.json
index 79a1171236..65b1426ab4 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "3.10.2-0",
+  "version": "3.10.2",
   "description": "Promise and RxJS wrappers around the Polkadot JS RPC",
   "main": "index.js",
   "sideEffects": [
@@ -16,13 +16,13 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.18",
-    "@polkadot/api-derive": "3.10.2-0",
+    "@polkadot/api-derive": "3.10.2",
     "@polkadot/keyring": "^5.7.1",
-    "@polkadot/metadata": "3.10.2-0",
-    "@polkadot/rpc-core": "3.10.2-0",
-    "@polkadot/rpc-provider": "3.10.2-0",
-    "@polkadot/types": "3.10.2-0",
-    "@polkadot/types-known": "3.10.2-0",
+    "@polkadot/metadata": "3.10.2",
+    "@polkadot/rpc-core": "3.10.2",
+    "@polkadot/rpc-provider": "3.10.2",
+    "@polkadot/types": "3.10.2",
+    "@polkadot/types-known": "3.10.2",
     "@polkadot/util": "^5.7.1",
     "@polkadot/util-crypto": "^5.7.1",
     "@polkadot/x-rxjs": "^5.7.1",
diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index 2c3b2f184a..58d414022e 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/metadata",
-  "version": "3.10.2-0",
+  "version": "3.10.2",
   "description": "Helpers to extract information from runtime metadata",
   "main": "index.js",
   "sideEffects": [
@@ -16,8 +16,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-metadata#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.18",
-    "@polkadot/types": "3.10.2-0",
-    "@polkadot/types-known": "3.10.2-0",
+    "@polkadot/types": "3.10.2",
+    "@polkadot/types-known": "3.10.2",
     "@polkadot/util": "^5.7.1",
     "@polkadot/util-crypto": "^5.7.1",
     "bn.js": "^4.11.9"
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index 5c4719f6d7..37f95d2744 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "3.10.2-0",
+  "version": "3.10.2",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "sideEffects": false,
@@ -13,9 +13,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-core#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.18",
-    "@polkadot/metadata": "3.10.2-0",
-    "@polkadot/rpc-provider": "3.10.2-0",
-    "@polkadot/types": "3.10.2-0",
+    "@polkadot/metadata": "3.10.2",
+    "@polkadot/rpc-provider": "3.10.2",
+    "@polkadot/types": "3.10.2",
     "@polkadot/util": "^5.7.1",
     "@polkadot/x-rxjs": "^5.7.1"
   },
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index aab4451b66..0da8ee3093 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "3.10.2-0",
+  "version": "3.10.2",
   "description": "Transport providers for the API",
   "main": "index.js",
   "sideEffects": false,
@@ -13,7 +13,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.18",
-    "@polkadot/types": "3.10.2-0",
+    "@polkadot/types": "3.10.2",
     "@polkadot/util": "^5.7.1",
     "@polkadot/util-crypto": "^5.7.1",
     "@polkadot/x-fetch": "^5.7.1",
@@ -24,7 +24,7 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^5.7.1",
-    "@polkadot/metadata": "3.10.2-0",
+    "@polkadot/metadata": "3.10.2",
     "mock-socket": "^9.0.3",
     "nock": "^13.0.7"
   }
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index b46405f963..de44cdb9f1 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/typegen",
-  "version": "3.10.2-0",
+  "version": "3.10.2",
   "description": "Type generation scripts",
   "main": "index.js",
   "sideEffects": false,
@@ -22,10 +22,10 @@
     "@babel/core": "^7.12.17",
     "@babel/register": "^7.12.13",
     "@babel/runtime": "^7.12.18",
-    "@polkadot/api": "3.10.2-0",
-    "@polkadot/metadata": "3.10.2-0",
-    "@polkadot/rpc-provider": "3.10.2-0",
-    "@polkadot/types": "3.10.2-0",
+    "@polkadot/api": "3.10.2",
+    "@polkadot/metadata": "3.10.2",
+    "@polkadot/rpc-provider": "3.10.2",
+    "@polkadot/types": "3.10.2",
     "@polkadot/util": "^5.7.1",
     "handlebars": "^4.7.7",
     "websocket": "^1.0.33",
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index 1368e26560..b7be2a5f5f 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types-known",
-  "version": "3.10.2-0",
+  "version": "3.10.2",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "sideEffects": false,
@@ -14,7 +14,7 @@
   "dependencies": {
     "@babel/runtime": "^7.12.18",
     "@polkadot/networks": "^5.7.1",
-    "@polkadot/types": "3.10.2-0",
+    "@polkadot/types": "3.10.2",
     "@polkadot/util": "^5.7.1",
     "bn.js": "^4.11.9"
   },
diff --git a/packages/types-known/src/upgrades/polkadot.ts b/packages/types-known/src/upgrades/polkadot.ts
index 576f3211af..aac81ebab6 100644
--- a/packages/types-known/src/upgrades/polkadot.ts
+++ b/packages/types-known/src/upgrades/polkadot.ts
@@ -8,7 +8,7 @@ const upgrades: ChainUpgradesRaw = [
   [244358, 8], [303079, 9], [314201, 10], [342400, 11], [443963, 12],
   [528470, 13], [687751, 14], [746085, 15], [787923, 16], [799302, 17],
   [1205128, 18], [1603423, 23], [1733218, 24], [2005673, 25], [2436698, 26],
-  [3613564, 27]
+  [3613564, 27], [3899547, 28]
 ];
 
 export default upgrades;
diff --git a/packages/types/package.json b/packages/types/package.json
index c836201bd8..38ff6aa573 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "3.10.2-0",
+  "version": "3.10.2",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
   "sideEffects": [
@@ -16,7 +16,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.18",
-    "@polkadot/metadata": "3.10.2-0",
+    "@polkadot/metadata": "3.10.2",
     "@polkadot/util": "^5.7.1",
     "@polkadot/util-crypto": "^5.7.1",
     "@polkadot/x-rxjs": "^5.7.1",
diff --git a/packages/types/src/generic/Call.spec.ts b/packages/types/src/generic/Call.spec.ts
index 97795f875a..f37b40d078 100644
--- a/packages/types/src/generic/Call.spec.ts
+++ b/packages/types/src/generic/Call.spec.ts
@@ -28,7 +28,7 @@ describe('Call', (): void => {
     expect(
       new Call(registry, '0x0601').toU8a()
     ).toEqual(
-      new Uint8Array([6, 1, 1, 110, 7, 17, 0, 0, 0])
+      new Uint8Array([6, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0])
     ); // balances.setBalance
   });
 });
diff --git a/packages/types/src/generic/MultiAddress.spec.ts b/packages/types/src/generic/MultiAddress.spec.ts
new file mode 100644
index 0000000000..debc7109f5
--- /dev/null
+++ b/packages/types/src/generic/MultiAddress.spec.ts
@@ -0,0 +1,29 @@
+// Copyright 2017-2021 @polkadot/types authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { TypeRegistry } from '../create';
+
+describe('MultiAddress', (): void => {
+  const registry = new TypeRegistry();
+
+  it('correctly decodes a stream with Address20', (): void => {
+    const a = registry.createType('MultiAddress', '0x0467f89207abe6e1b093befd84a48f03313765929207009e292608');
+
+    expect(a.index).toEqual(4);
+    expect(a.toString()).toEqual('0x67f89207abe6e1b093befd84a48f033137659292');
+  });
+
+  it('correctly decodes an AccountId', (): void => {
+    const a = registry.createType('MultiAddress', '0x0102030405060708010203040506070801020304050607080102030405060708');
+
+    expect(a.index).toEqual(0);
+    expect(a.toString()).toEqual('5C62W7ELLAAfix9LYrcx5smtcffbhvThkM5x7xfMeYXCtGwF');
+  });
+
+  it('correctly decodes an Address20', (): void => {
+    const a = registry.createType('MultiAddress', '0x67f89207abe6e1b093befd84a48f033137659292');
+
+    expect(a.index).toEqual(4);
+    expect(a.toString()).toEqual('0x67f89207abe6e1b093befd84a48f033137659292');
+  });
+});
diff --git a/packages/types/src/generic/MultiAddress.ts b/packages/types/src/generic/MultiAddress.ts
index 9da2d7624f..c69a955eb2 100644
--- a/packages/types/src/generic/MultiAddress.ts
+++ b/packages/types/src/generic/MultiAddress.ts
@@ -10,14 +10,12 @@ import { Enum } from '../codec/Enum';
 import { GenericAccountId } from './AccountId';
 import { GenericAccountIndex } from './AccountIndex';
 
-function decodeMultiU8a (registry: Registry, value?: unknown): unknown {
+function decodeMultiU8a (value?: unknown): unknown {
   if (isU8a(value) && value.length <= 32) {
     if (value.length === 32) {
       return { id: value };
     } else if (value.length === 20) {
       return { Address20: value };
-    } else {
-      return decodeMultiAny(registry, registry.createType('AccountIndex', value));
     }
   }
 
@@ -32,10 +30,10 @@ function decodeMultiAny (registry: Registry, value?: unknown): unknown {
   } else if (value instanceof GenericAccountIndex || isNumber(value) || isBn(value)) {
     return { Index: registry.createType('Compact<AccountIndex>', value) };
   } else if (isString(value)) {
-    return decodeMultiU8a(registry, decodeAddress(value.toString()));
+    return decodeMultiU8a(decodeAddress(value.toString()));
   }
 
-  return decodeMultiU8a(registry, value);
+  return decodeMultiU8a(value);
 }
 
 export class GenericMultiAddress extends Enum {
diff --git a/yarn.lock b/yarn.lock
index 215744a1ae..121f799801 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1752,24 +1752,24 @@ __metadata:
   resolution: "@polkadot/api-contract@workspace:packages/api-contract"
   dependencies:
     "@babel/runtime": ^7.12.18
-    "@polkadot/api": 3.10.2-0
-    "@polkadot/types": 3.10.2-0
+    "@polkadot/api": 3.10.2
+    "@polkadot/types": 3.10.2
     "@polkadot/util": ^5.7.1
     "@polkadot/x-rxjs": ^5.7.1
     bn.js: ^4.11.9
   languageName: unknown
   linkType: soft
 
-"@polkadot/api-derive@3.10.2-0, @polkadot/api-derive@workspace:packages/api-derive":
+"@polkadot/api-derive@3.10.2, @polkadot/api-derive@workspace:packages/api-derive":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-derive@workspace:packages/api-derive"
   dependencies:
     "@babel/runtime": ^7.12.18
-    "@polkadot/api": 3.10.2-0
+    "@polkadot/api": 3.10.2
     "@polkadot/keyring": ^5.7.1
-    "@polkadot/rpc-core": 3.10.2-0
-    "@polkadot/rpc-provider": 3.10.2-0
-    "@polkadot/types": 3.10.2-0
+    "@polkadot/rpc-core": 3.10.2
+    "@polkadot/rpc-provider": 3.10.2
+    "@polkadot/types": 3.10.2
     "@polkadot/util": ^5.7.1
     "@polkadot/util-crypto": ^5.7.1
     "@polkadot/x-rxjs": ^5.7.1
@@ -1777,18 +1777,18 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/api@3.10.2-0, @polkadot/api@workspace:packages/api":
+"@polkadot/api@3.10.2, @polkadot/api@workspace:packages/api":
   version: 0.0.0-use.local
   resolution: "@polkadot/api@workspace:packages/api"
   dependencies:
     "@babel/runtime": ^7.12.18
-    "@polkadot/api-derive": 3.10.2-0
+    "@polkadot/api-derive": 3.10.2
     "@polkadot/keyring": ^5.7.1
-    "@polkadot/metadata": 3.10.2-0
-    "@polkadot/rpc-core": 3.10.2-0
-    "@polkadot/rpc-provider": 3.10.2-0
-    "@polkadot/types": 3.10.2-0
-    "@polkadot/types-known": 3.10.2-0
+    "@polkadot/metadata": 3.10.2
+    "@polkadot/rpc-core": 3.10.2
+    "@polkadot/rpc-provider": 3.10.2
+    "@polkadot/types": 3.10.2
+    "@polkadot/types-known": 3.10.2
     "@polkadot/util": ^5.7.1
     "@polkadot/util-crypto": ^5.7.1
     "@polkadot/x-rxjs": ^5.7.1
@@ -1902,14 +1902,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/metadata@3.10.2-0, @polkadot/metadata@workspace:packages/metadata":
+"@polkadot/metadata@3.10.2, @polkadot/metadata@workspace:packages/metadata":
   version: 0.0.0-use.local
   resolution: "@polkadot/metadata@workspace:packages/metadata"
   dependencies:
     "@babel/runtime": ^7.12.18
     "@polkadot/keyring": ^5.7.1
-    "@polkadot/types": 3.10.2-0
-    "@polkadot/types-known": 3.10.2-0
+    "@polkadot/types": 3.10.2
+    "@polkadot/types-known": 3.10.2
     "@polkadot/util": ^5.7.1
     "@polkadot/util-crypto": ^5.7.1
     bn.js: ^4.11.9
@@ -1925,28 +1925,28 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/rpc-core@3.10.2-0, @polkadot/rpc-core@workspace:packages/rpc-core":
+"@polkadot/rpc-core@3.10.2, @polkadot/rpc-core@workspace:packages/rpc-core":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@babel/runtime": ^7.12.18
     "@polkadot/keyring": ^5.7.1
-    "@polkadot/metadata": 3.10.2-0
-    "@polkadot/rpc-provider": 3.10.2-0
-    "@polkadot/types": 3.10.2-0
+    "@polkadot/metadata": 3.10.2
+    "@polkadot/rpc-provider": 3.10.2
+    "@polkadot/types": 3.10.2
     "@polkadot/util": ^5.7.1
     "@polkadot/x-rxjs": ^5.7.1
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-provider@3.10.2-0, @polkadot/rpc-provider@workspace:packages/rpc-provider":
+"@polkadot/rpc-provider@3.10.2, @polkadot/rpc-provider@workspace:packages/rpc-provider":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@babel/runtime": ^7.12.18
     "@polkadot/keyring": ^5.7.1
-    "@polkadot/metadata": 3.10.2-0
-    "@polkadot/types": 3.10.2-0
+    "@polkadot/metadata": 3.10.2
+    "@polkadot/types": 3.10.2
     "@polkadot/util": ^5.7.1
     "@polkadot/util-crypto": ^5.7.1
     "@polkadot/x-fetch": ^5.7.1
@@ -1975,10 +1975,10 @@ __metadata:
     "@babel/core": ^7.12.17
     "@babel/register": ^7.12.13
     "@babel/runtime": ^7.12.18
-    "@polkadot/api": 3.10.2-0
-    "@polkadot/metadata": 3.10.2-0
-    "@polkadot/rpc-provider": 3.10.2-0
-    "@polkadot/types": 3.10.2-0
+    "@polkadot/api": 3.10.2
+    "@polkadot/metadata": 3.10.2
+    "@polkadot/rpc-provider": 3.10.2
+    "@polkadot/types": 3.10.2
     "@polkadot/util": ^5.7.1
     "@types/websocket": ^1.0.1
     "@types/yargs": ^16.0.0
@@ -1994,26 +1994,26 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-known@3.10.2-0, @polkadot/types-known@workspace:packages/types-known":
+"@polkadot/types-known@3.10.2, @polkadot/types-known@workspace:packages/types-known":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-known@workspace:packages/types-known"
   dependencies:
     "@babel/runtime": ^7.12.18
     "@polkadot/networks": ^5.7.1
-    "@polkadot/types": 3.10.2-0
+    "@polkadot/types": 3.10.2
     "@polkadot/util": ^5.7.1
     "@types/bn.js": ^4.11.6
     bn.js: ^4.11.9
   languageName: unknown
   linkType: soft
 
-"@polkadot/types@3.10.2-0, @polkadot/types@workspace:packages/types":
+"@polkadot/types@3.10.2, @polkadot/types@workspace:packages/types":
   version: 0.0.0-use.local
   resolution: "@polkadot/types@workspace:packages/types"
   dependencies:
     "@babel/runtime": ^7.12.18
     "@polkadot/keyring": ^5.7.1
-    "@polkadot/metadata": 3.10.2-0
+    "@polkadot/metadata": 3.10.2
     "@polkadot/util": ^5.7.1
     "@polkadot/util-crypto": ^5.7.1
     "@polkadot/x-rxjs": ^5.7.1