diff --git a/CHANGELOG.md b/CHANGELOG.md
index 094d62a43a..826fedbe1c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,23 @@
 # CHANGELOG
 
+## 2.10.1 Dec 7, 2020
+
+Upgrade priority: Low. Recommended when following Substrate master and/or parachains development, contains the latest types for both.
+
+- **Breaking change** If using the `staking.query` derive, you now need to pass flags as to which values to retrieve
+
+Changes:
+
+- Ensure that maximum era is limited to `consts.system.blockHashCount` (don't overflow on very low blocktimes)
+- Apply current Polkadot master parachain types
+- Apply current Substrate master asset types
+- Add `system_{addLogFilter, resetLogFilter}` RPCs
+- Adjust tests for latest Substrate metadata
+- Adjust staking derives to be more performant (flags indicate which query values to retrieve)
+- Add account derive to cater for the availability of identities
+- Use `import type` in all cases
+
+
 ## 2.9.1 Nov 30, 2020
 
 Upgrade priority: Low. No major changes when on at least 2.8.2. Users encouraged to upgrade to at least that patch.
diff --git a/package.json b/package.json
index e9e2688ad6..89cca2c9e3 100644
--- a/package.json
+++ b/package.json
@@ -26,11 +26,11 @@
     "@babel/core": "^7.12.9",
     "@babel/register": "^7.12.1",
     "@babel/runtime": "^7.12.5",
-    "@polkadot/dev": "^0.60.7",
+    "@polkadot/dev": "^0.60.8",
     "@polkadot/ts": "^0.3.57",
     "@polkadot/typegen": "workspace:packages/typegen",
     "@types/jest": "^26.0.16",
     "copyfiles": "^2.4.1"
   },
-  "version": "2.9.2-13"
+  "version": "2.10.0"
 }
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index 58e75eed1c..952bcce4d6 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "2.9.2-13",
+  "version": "2.10.0",
   "description": "Interfaces for interacting with contracts and contract ABIs",
   "main": "index.js",
   "sideEffects": false,
@@ -17,8 +17,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-contract#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/api": "2.9.2-13",
-    "@polkadot/types": "2.9.2-13",
+    "@polkadot/api": "2.10.0",
+    "@polkadot/types": "2.10.0",
     "@polkadot/util": "^4.2.1",
     "bn.js": "^4.11.9",
     "rxjs": "^6.6.3"
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 89be1ee258..a7fef83773 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "2.9.2-13",
+  "version": "2.10.0",
   "description": "Common functions used across Polkadot, derived from RPC calls and storage queries.",
   "main": "index.js",
   "sideEffects": false,
@@ -18,9 +18,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-derive#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/api": "2.9.2-13",
-    "@polkadot/rpc-core": "2.9.2-13",
-    "@polkadot/types": "2.9.2-13",
+    "@polkadot/api": "2.10.0",
+    "@polkadot/rpc-core": "2.10.0",
+    "@polkadot/types": "2.10.0",
     "@polkadot/util": "^4.2.1",
     "@polkadot/util-crypto": "^4.2.1",
     "bn.js": "^4.11.9",
@@ -29,6 +29,6 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^4.2.1",
-    "@polkadot/rpc-provider": "2.9.2-13"
+    "@polkadot/rpc-provider": "2.10.0"
   }
 }
diff --git a/packages/api-derive/src/tx/signingInfo.ts b/packages/api-derive/src/tx/signingInfo.ts
index 74f1c6985a..836255e779 100644
--- a/packages/api-derive/src/tx/signingInfo.ts
+++ b/packages/api-derive/src/tx/signingInfo.ts
@@ -64,7 +64,7 @@ export function signingInfo (_instanceId: string, api: ApiInterfaceRx): (address
       map(([nonce, header]) => ({
         header,
         mortalLength: Math.min(
-          FALLBACK_MAX_HASH_COUNT,
+          api.consts.system?.blockHashCount?.toNumber() || FALLBACK_MAX_HASH_COUNT,
           MORTAL_PERIOD
             .div(api.consts.babe?.expectedBlockTime || api.consts.timestamp?.minimumPeriod.muln(2) || FALLBACK_PERIOD)
             .iadd(MAX_FINALITY_LAG)
diff --git a/packages/api/package.json b/packages/api/package.json
index ee31133c57..37a3535649 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "2.9.2-13",
+  "version": "2.10.0",
   "description": "Promise and RxJS wrappers around the Polkadot JS RPC",
   "main": "index.js",
   "sideEffects": false,
@@ -17,13 +17,13 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/api-derive": "2.9.2-13",
+    "@polkadot/api-derive": "2.10.0",
     "@polkadot/keyring": "^4.2.1",
-    "@polkadot/metadata": "2.9.2-13",
-    "@polkadot/rpc-core": "2.9.2-13",
-    "@polkadot/rpc-provider": "2.9.2-13",
-    "@polkadot/types": "2.9.2-13",
-    "@polkadot/types-known": "2.9.2-13",
+    "@polkadot/metadata": "2.10.0",
+    "@polkadot/rpc-core": "2.10.0",
+    "@polkadot/rpc-provider": "2.10.0",
+    "@polkadot/types": "2.10.0",
+    "@polkadot/types-known": "2.10.0",
     "@polkadot/util": "^4.2.1",
     "@polkadot/util-crypto": "^4.2.1",
     "bn.js": "^4.11.9",
diff --git a/packages/api/src/submittable/createClass.ts b/packages/api/src/submittable/createClass.ts
index 357eca7db4..5b5ee6c3ef 100644
--- a/packages/api/src/submittable/createClass.ts
+++ b/packages/api/src/submittable/createClass.ts
@@ -29,7 +29,7 @@ export function createClass <ApiType extends ApiTypes> ({ api, apiType, decorate
   // an instance of the base extrinsic for us to extend
   const ExtrinsicBase = api.registry.createClass('Extrinsic');
 
-  return class Submittable extends ExtrinsicBase implements SubmittableExtrinsic<ApiType> {
+  class Submittable extends ExtrinsicBase implements SubmittableExtrinsic<ApiType> {
     readonly #ignoreStatusCb: boolean;
 
     #transformResult: (input: ISubmittableResult) => ISubmittableResult = identity;
@@ -309,5 +309,7 @@ export function createClass <ApiType extends ApiTypes> ({ api, apiType, decorate
         api.signer.update(updateId, status);
       }
     }
-  };
+  }
+
+  return Submittable;
 }
diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index 638dd33351..30985557e4 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/metadata",
-  "version": "2.9.2-13",
+  "version": "2.10.0",
   "description": "Helpers to extract information from runtime metadata",
   "main": "index.js",
   "sideEffects": false,
@@ -16,8 +16,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-metadata#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/types": "2.9.2-13",
-    "@polkadot/types-known": "2.9.2-13",
+    "@polkadot/types": "2.10.0",
+    "@polkadot/types-known": "2.10.0",
     "@polkadot/util": "^4.2.1",
     "@polkadot/util-crypto": "^4.2.1",
     "bn.js": "^4.11.9"
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index adb3d8beaf..54e9675c4e 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "2.9.2-13",
+  "version": "2.10.0",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "sideEffects": false,
@@ -17,9 +17,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-core#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/metadata": "2.9.2-13",
-    "@polkadot/rpc-provider": "2.9.2-13",
-    "@polkadot/types": "2.9.2-13",
+    "@polkadot/metadata": "2.10.0",
+    "@polkadot/rpc-provider": "2.10.0",
+    "@polkadot/types": "2.10.0",
     "@polkadot/util": "^4.2.1",
     "memoizee": "^0.4.14",
     "rxjs": "^6.6.3"
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index f969dec61f..63e0106302 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "2.9.2-13",
+  "version": "2.10.0",
   "description": "Transport providers for the API",
   "main": "index.js",
   "sideEffects": false,
@@ -17,7 +17,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/types": "2.9.2-13",
+    "@polkadot/types": "2.10.0",
     "@polkadot/util": "^4.2.1",
     "@polkadot/util-crypto": "^4.2.1",
     "@polkadot/x-fetch": "^4.2.1",
@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "@polkadot/keyring": "^4.2.1",
-    "@polkadot/metadata": "2.9.2-13",
+    "@polkadot/metadata": "2.10.0",
     "mock-socket": "^9.0.3",
     "nock": "^13.0.5"
   }
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index d72a2b096b..172a1bbbba 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/typegen",
-  "version": "2.9.2-13",
+  "version": "2.10.0",
   "description": "Type generation scripts",
   "main": "index.js",
   "sideEffects": false,
@@ -26,10 +26,10 @@
     "@babel/core": "^7.12.9",
     "@babel/register": "^7.12.1",
     "@babel/runtime": "^7.12.5",
-    "@polkadot/api": "2.9.2-13",
-    "@polkadot/metadata": "2.9.2-13",
-    "@polkadot/rpc-provider": "2.9.2-13",
-    "@polkadot/types": "2.9.2-13",
+    "@polkadot/api": "2.10.0",
+    "@polkadot/metadata": "2.10.0",
+    "@polkadot/rpc-provider": "2.10.0",
+    "@polkadot/types": "2.10.0",
     "@polkadot/util": "^4.2.1",
     "handlebars": "^4.7.6",
     "websocket": "^1.0.32",
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index 0b5e27123b..e0a701268a 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types-known",
-  "version": "2.9.2-13",
+  "version": "2.10.0",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "sideEffects": false,
@@ -17,7 +17,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types-known#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/types": "2.9.2-13",
+    "@polkadot/types": "2.10.0",
     "@polkadot/util": "^4.2.1",
     "bn.js": "^4.11.9"
   },
diff --git a/packages/types/package.json b/packages/types/package.json
index c1d61e3513..8db845302d 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "2.9.2-13",
+  "version": "2.10.0",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
   "sideEffects": false,
@@ -17,7 +17,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types#readme",
   "dependencies": {
     "@babel/runtime": "^7.12.5",
-    "@polkadot/metadata": "2.9.2-13",
+    "@polkadot/metadata": "2.10.0",
     "@polkadot/util": "^4.2.1",
     "@polkadot/util-crypto": "^4.2.1",
     "@types/bn.js": "^4.11.6",
diff --git a/yarn.lock b/yarn.lock
index 6107ba454e..678baebd00 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1717,24 +1717,24 @@ __metadata:
   resolution: "@polkadot/api-contract@workspace:packages/api-contract"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/api": 2.9.2-13
-    "@polkadot/types": 2.9.2-13
+    "@polkadot/api": 2.10.0
+    "@polkadot/types": 2.10.0
     "@polkadot/util": ^4.2.1
     bn.js: ^4.11.9
     rxjs: ^6.6.3
   languageName: unknown
   linkType: soft
 
-"@polkadot/api-derive@2.9.2-13, @polkadot/api-derive@workspace:packages/api-derive":
+"@polkadot/api-derive@2.10.0, @polkadot/api-derive@workspace:packages/api-derive":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-derive@workspace:packages/api-derive"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/api": 2.9.2-13
+    "@polkadot/api": 2.10.0
     "@polkadot/keyring": ^4.2.1
-    "@polkadot/rpc-core": 2.9.2-13
-    "@polkadot/rpc-provider": 2.9.2-13
-    "@polkadot/types": 2.9.2-13
+    "@polkadot/rpc-core": 2.10.0
+    "@polkadot/rpc-provider": 2.10.0
+    "@polkadot/types": 2.10.0
     "@polkadot/util": ^4.2.1
     "@polkadot/util-crypto": ^4.2.1
     bn.js: ^4.11.9
@@ -1743,18 +1743,18 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/api@2.9.2-13, @polkadot/api@workspace:packages/api":
+"@polkadot/api@2.10.0, @polkadot/api@workspace:packages/api":
   version: 0.0.0-use.local
   resolution: "@polkadot/api@workspace:packages/api"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/api-derive": 2.9.2-13
+    "@polkadot/api-derive": 2.10.0
     "@polkadot/keyring": ^4.2.1
-    "@polkadot/metadata": 2.9.2-13
-    "@polkadot/rpc-core": 2.9.2-13
-    "@polkadot/rpc-provider": 2.9.2-13
-    "@polkadot/types": 2.9.2-13
-    "@polkadot/types-known": 2.9.2-13
+    "@polkadot/metadata": 2.10.0
+    "@polkadot/rpc-core": 2.10.0
+    "@polkadot/rpc-provider": 2.10.0
+    "@polkadot/types": 2.10.0
+    "@polkadot/types-known": 2.10.0
     "@polkadot/util": ^4.2.1
     "@polkadot/util-crypto": ^4.2.1
     bn.js: ^4.11.9
@@ -1763,9 +1763,9 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/dev@npm:^0.60.7":
-  version: 0.60.7
-  resolution: "@polkadot/dev@npm:0.60.7"
+"@polkadot/dev@npm:^0.60.8":
+  version: 0.60.8
+  resolution: "@polkadot/dev@npm:0.60.8"
   dependencies:
     "@babel/cli": ^7.12.8
     "@babel/core": ^7.12.9
@@ -1851,7 +1851,7 @@ __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: 0241c5dfd9a9bb334b56712ef5c8caded11d5506753a4a2644dd3532d4159906eb5a1074f1014ca034c0b94c66e5112ad9ffe8d6bc2cc1500351149a30bdf719
+  checksum: e9b4dd08aa90de176f719fdfa4b2b810e9219fb554b7c1137dc6ae28f6ea7aa608447ce0050c16a739a98bbae979f4fd09e41a77ad08c7ada04784dcbf61fcc0
   languageName: node
   linkType: hard
 
@@ -1869,14 +1869,14 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/metadata@2.9.2-13, @polkadot/metadata@workspace:packages/metadata":
+"@polkadot/metadata@2.10.0, @polkadot/metadata@workspace:packages/metadata":
   version: 0.0.0-use.local
   resolution: "@polkadot/metadata@workspace:packages/metadata"
   dependencies:
     "@babel/runtime": ^7.12.5
     "@polkadot/keyring": ^4.2.1
-    "@polkadot/types": 2.9.2-13
-    "@polkadot/types-known": 2.9.2-13
+    "@polkadot/types": 2.10.0
+    "@polkadot/types-known": 2.10.0
     "@polkadot/util": ^4.2.1
     "@polkadot/util-crypto": ^4.2.1
     bn.js: ^4.11.9
@@ -1892,29 +1892,29 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/rpc-core@2.9.2-13, @polkadot/rpc-core@workspace:packages/rpc-core":
+"@polkadot/rpc-core@2.10.0, @polkadot/rpc-core@workspace:packages/rpc-core":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@babel/runtime": ^7.12.5
     "@polkadot/keyring": ^4.2.1
-    "@polkadot/metadata": 2.9.2-13
-    "@polkadot/rpc-provider": 2.9.2-13
-    "@polkadot/types": 2.9.2-13
+    "@polkadot/metadata": 2.10.0
+    "@polkadot/rpc-provider": 2.10.0
+    "@polkadot/types": 2.10.0
     "@polkadot/util": ^4.2.1
     memoizee: ^0.4.14
     rxjs: ^6.6.3
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-provider@2.9.2-13, @polkadot/rpc-provider@workspace:packages/rpc-provider":
+"@polkadot/rpc-provider@2.10.0, @polkadot/rpc-provider@workspace:packages/rpc-provider":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@babel/runtime": ^7.12.5
     "@polkadot/keyring": ^4.2.1
-    "@polkadot/metadata": 2.9.2-13
-    "@polkadot/types": 2.9.2-13
+    "@polkadot/metadata": 2.10.0
+    "@polkadot/types": 2.10.0
     "@polkadot/util": ^4.2.1
     "@polkadot/util-crypto": ^4.2.1
     "@polkadot/x-fetch": ^4.2.1
@@ -1942,10 +1942,10 @@ __metadata:
     "@babel/core": ^7.12.9
     "@babel/register": ^7.12.1
     "@babel/runtime": ^7.12.5
-    "@polkadot/api": 2.9.2-13
-    "@polkadot/metadata": 2.9.2-13
-    "@polkadot/rpc-provider": 2.9.2-13
-    "@polkadot/types": 2.9.2-13
+    "@polkadot/api": 2.10.0
+    "@polkadot/metadata": 2.10.0
+    "@polkadot/rpc-provider": 2.10.0
+    "@polkadot/types": 2.10.0
     "@polkadot/util": ^4.2.1
     "@types/websocket": ^1.0.1
     "@types/yargs": ^15.0.10
@@ -1961,25 +1961,25 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-known@2.9.2-13, @polkadot/types-known@workspace:packages/types-known":
+"@polkadot/types-known@2.10.0, @polkadot/types-known@workspace:packages/types-known":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-known@workspace:packages/types-known"
   dependencies:
     "@babel/runtime": ^7.12.5
-    "@polkadot/types": 2.9.2-13
+    "@polkadot/types": 2.10.0
     "@polkadot/util": ^4.2.1
     "@types/bn.js": ^4.11.6
     bn.js: ^4.11.9
   languageName: unknown
   linkType: soft
 
-"@polkadot/types@2.9.2-13, @polkadot/types@workspace:packages/types":
+"@polkadot/types@2.10.0, @polkadot/types@workspace:packages/types":
   version: 0.0.0-use.local
   resolution: "@polkadot/types@workspace:packages/types"
   dependencies:
     "@babel/runtime": ^7.12.5
     "@polkadot/keyring": ^4.2.1
-    "@polkadot/metadata": 2.9.2-13
+    "@polkadot/metadata": 2.10.0
     "@polkadot/util": ^4.2.1
     "@polkadot/util-crypto": ^4.2.1
     "@types/bn.js": ^4.11.6
@@ -9245,7 +9245,7 @@ fsevents@~2.1.2:
     "@babel/core": ^7.12.9
     "@babel/register": ^7.12.1
     "@babel/runtime": ^7.12.5
-    "@polkadot/dev": ^0.60.7
+    "@polkadot/dev": ^0.60.8
     "@polkadot/ts": ^0.3.57
     "@polkadot/typegen": "workspace:packages/typegen"
     "@types/jest": ^26.0.16