diff --git a/CHANGELOG.md b/CHANGELOG.md
index 50a2b3db9590..f569f1104427 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,4 @@
-# 1.10.0-beta.x
+# 1.10.1 Apr 13, 2020
 
 - **Important** Substrate master has updated staking, on older chains apply `StakingLedger: 'StakingLedgerTo240'`
 - Add `rpc.system.chainType` to retrieve the chain type (Development. Local, Live & Custom)
@@ -8,7 +8,8 @@
 - Cleanups to derives for democracy & staking to be more performant
 - Add Centrifuge base types to `@polkadot/types-known`
 - Adjust with all the latest substrate master types
-- Internally all private/protected methods/variables are now indicated with `_` (Aligning with the `private/protected` indicators in the TS definitions)
+- Internally all private/protected methods/variables are now `_` prefixed (Aligning with the `private/protected` indicators in the TS definitions)
+- Update metadata/docs-from-metadata to the latest Substrate
 
 # 1.9.1 Apr 1, 2020
 
diff --git a/docs/start/api.query.other.md b/docs/start/api.query.other.md
index 95c857c10a41..4618f7e3e5f3 100644
--- a/docs/start/api.query.other.md
+++ b/docs/start/api.query.other.md
@@ -62,7 +62,7 @@ When working maps and double-maps, it is possible to retrieve a list of all the
 // Retrieve the active era
 const activeEra = await api.query.staking.activeEra();
 
-// retrieve all exposures int the active era
+// retrieve all exposures for the active era
 const exposures = await api.query.staking.erasStakers.entries(activeEra.index);
 
 exposures.forEach(([key, exposure]) => {
@@ -73,7 +73,17 @@ exposures.forEach(([key, exposure]) => {
 
 Here we are querying a double-map, so we supply 1 argument. No arguments on double-maps will be very costly, retrieving all the eras and associated entries. Additionally when `twox64_concat` & `blake2_concat` is used, the key `.args` will contain decoded values of the params, in this case it will contain the actual `AccountId` of the staker. (Since that was not supplied)
 
-In the same way as above we can simply do `.keys(activeEra.index): StorageKey[]` to retrieve all the keys here, including the individual keys args decoding, as available on maps with decodable hashing functions.
+In the same way as above we can simply do `.keys(activeEra.index): StorageKey[]` to retrieve all the keys here, including the individual keys args (available on maps with decodable hashing functions) -
+
+```js
+// retrieve all the nominator keys
+const keys = await api.query.staking.nominators.keys();
+
+// extract the first key argument (AccountId) as string
+const nominatorIds = keys.map((key) => key.args[0].toString());
+
+console.log('all nominators:', nminatorIds.join(', '));
+```
 
 ## State entries
 
diff --git a/lerna.json b/lerna.json
index 04c1d2875654..9673fb5fd95c 100644
--- a/lerna.json
+++ b/lerna.json
@@ -9,5 +9,5 @@
   "packages": [
     "packages/*"
   ],
-  "version": "1.10.0-beta.29"
+  "version": "1.10.0"
 }
diff --git a/packages/api-contract/package.json b/packages/api-contract/package.json
index 7b842c7b095d..1adb063d6f44 100644
--- a/packages/api-contract/package.json
+++ b/packages/api-contract/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-contract",
-  "version": "1.10.0-beta.29",
+  "version": "1.10.0",
   "description": "Interfaces for interacting with contracts and contract ABIs",
   "main": "index.js",
   "keywords": [
@@ -27,9 +27,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-contract#readme",
   "dependencies": {
     "@babel/runtime": "^7.9.2",
-    "@polkadot/api": "1.10.0-beta.29",
-    "@polkadot/rpc-core": "1.10.0-beta.29",
-    "@polkadot/types": "1.10.0-beta.29",
+    "@polkadot/api": "1.10.0",
+    "@polkadot/rpc-core": "1.10.0",
+    "@polkadot/types": "1.10.0",
     "@polkadot/util": "^2.8.1",
     "bn.js": "^5.1.1",
     "rxjs": "^6.5.5"
diff --git a/packages/api-derive/package.json b/packages/api-derive/package.json
index 312af98bfccd..9ed42dc7dd88 100644
--- a/packages/api-derive/package.json
+++ b/packages/api-derive/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api-derive",
-  "version": "1.10.0-beta.29",
+  "version": "1.10.0",
   "description": "Common functions used across Polkadot, derived from RPC calls and storage queries.",
   "main": "index.js",
   "keywords": [
@@ -28,10 +28,10 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api-derive#readme",
   "dependencies": {
     "@babel/runtime": "^7.9.2",
-    "@polkadot/api": "1.10.0-beta.29",
-    "@polkadot/rpc-core": "1.10.0-beta.29",
-    "@polkadot/rpc-provider": "1.10.0-beta.29",
-    "@polkadot/types": "1.10.0-beta.29",
+    "@polkadot/api": "1.10.0",
+    "@polkadot/rpc-core": "1.10.0",
+    "@polkadot/rpc-provider": "1.10.0",
+    "@polkadot/types": "1.10.0",
     "@polkadot/util": "^2.8.1",
     "@polkadot/util-crypto": "^2.8.1",
     "bn.js": "^5.1.1",
diff --git a/packages/api/package.json b/packages/api/package.json
index 0d3462de9f03..8fae633e4f2d 100644
--- a/packages/api/package.json
+++ b/packages/api/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/api",
-  "version": "1.10.0-beta.29",
+  "version": "1.10.0",
   "description": "Promise and RxJS wrappers around the Polkadot JS RPC",
   "main": "index.js",
   "keywords": [
@@ -27,13 +27,13 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/api#readme",
   "dependencies": {
     "@babel/runtime": "^7.9.2",
-    "@polkadot/api-derive": "1.10.0-beta.29",
+    "@polkadot/api-derive": "1.10.0",
     "@polkadot/keyring": "^2.8.1",
-    "@polkadot/metadata": "1.10.0-beta.29",
-    "@polkadot/rpc-core": "1.10.0-beta.29",
-    "@polkadot/rpc-provider": "1.10.0-beta.29",
-    "@polkadot/types": "1.10.0-beta.29",
-    "@polkadot/types-known": "1.10.0-beta.29",
+    "@polkadot/metadata": "1.10.0",
+    "@polkadot/rpc-core": "1.10.0",
+    "@polkadot/rpc-provider": "1.10.0",
+    "@polkadot/types": "1.10.0",
+    "@polkadot/types-known": "1.10.0",
     "@polkadot/util": "^2.8.1",
     "@polkadot/util-crypto": "^2.8.1",
     "bn.js": "^5.1.1",
diff --git a/packages/metadata/package.json b/packages/metadata/package.json
index a0217f59d2da..9d3b54502468 100644
--- a/packages/metadata/package.json
+++ b/packages/metadata/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/metadata",
-  "version": "1.10.0-beta.29",
+  "version": "1.10.0",
   "description": "Helpers to extract information from runtime metadata",
   "main": "index.js",
   "publishConfig": {
@@ -27,8 +27,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/type-metadata#readme",
   "dependencies": {
     "@babel/runtime": "^7.9.2",
-    "@polkadot/types": "1.10.0-beta.29",
-    "@polkadot/types-known": "1.10.0-beta.29",
+    "@polkadot/types": "1.10.0",
+    "@polkadot/types-known": "1.10.0",
     "@polkadot/util": "^2.8.1",
     "@polkadot/util-crypto": "^2.8.1",
     "bn.js": "^5.1.1"
diff --git a/packages/rpc-core/package.json b/packages/rpc-core/package.json
index 4505eef6b454..3025a4a6491b 100644
--- a/packages/rpc-core/package.json
+++ b/packages/rpc-core/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-core",
-  "version": "1.10.0-beta.29",
+  "version": "1.10.0",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "keywords": [
@@ -27,9 +27,9 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-core#readme",
   "dependencies": {
     "@babel/runtime": "^7.9.2",
-    "@polkadot/metadata": "1.10.0-beta.29",
-    "@polkadot/rpc-provider": "1.10.0-beta.29",
-    "@polkadot/types": "1.10.0-beta.29",
+    "@polkadot/metadata": "1.10.0",
+    "@polkadot/rpc-provider": "1.10.0",
+    "@polkadot/types": "1.10.0",
     "@polkadot/util": "^2.8.1",
     "memoizee": "^0.4.14",
     "rxjs": "^6.5.5"
diff --git a/packages/rpc-provider/package.json b/packages/rpc-provider/package.json
index 36b79b262a63..ba4f7ecd9b75 100644
--- a/packages/rpc-provider/package.json
+++ b/packages/rpc-provider/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/rpc-provider",
-  "version": "1.10.0-beta.29",
+  "version": "1.10.0",
   "description": "Transport providers for the API",
   "main": "index.js",
   "keywords": [
@@ -27,8 +27,8 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/rpc-provider#readme",
   "dependencies": {
     "@babel/runtime": "^7.9.2",
-    "@polkadot/metadata": "1.10.0-beta.29",
-    "@polkadot/types": "1.10.0-beta.29",
+    "@polkadot/metadata": "1.10.0",
+    "@polkadot/types": "1.10.0",
     "@polkadot/util": "^2.8.1",
     "@polkadot/util-crypto": "^2.8.1",
     "bn.js": "^5.1.1",
diff --git a/packages/typegen/package.json b/packages/typegen/package.json
index e7bef7b0bfce..1ffea41e643a 100644
--- a/packages/typegen/package.json
+++ b/packages/typegen/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/typegen",
-  "version": "1.10.0-beta.29",
+  "version": "1.10.0",
   "description": "Type generation scripts",
   "main": "index.js",
   "bin": {
@@ -36,10 +36,10 @@
     "@babel/core": "^7.9.0",
     "@babel/register": "^7.9.0",
     "@babel/runtime": "^7.9.2",
-    "@polkadot/api": "1.10.0-beta.29",
-    "@polkadot/metadata": "1.10.0-beta.29",
-    "@polkadot/rpc-provider": "1.10.0-beta.29",
-    "@polkadot/types": "1.10.0-beta.29",
+    "@polkadot/api": "1.10.0",
+    "@polkadot/metadata": "1.10.0",
+    "@polkadot/rpc-provider": "1.10.0",
+    "@polkadot/types": "1.10.0",
     "@polkadot/util": "^2.8.1",
     "websocket": "^1.0.31",
     "yargs": "^15.3.1"
diff --git a/packages/types-known/package.json b/packages/types-known/package.json
index 9a282facccb9..6e4063fd02e1 100644
--- a/packages/types-known/package.json
+++ b/packages/types-known/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types-known",
-  "version": "1.10.0-beta.29",
+  "version": "1.10.0",
   "description": "A JavaScript wrapper for the Polkadot JsonRPC interface",
   "main": "index.js",
   "keywords": [
@@ -27,7 +27,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types-known#readme",
   "dependencies": {
     "@babel/runtime": "^7.9.2",
-    "@polkadot/types": "1.10.0-beta.29",
+    "@polkadot/types": "1.10.0",
     "@polkadot/util": "^2.8.1",
     "bn.js": "^5.1.1"
   },
diff --git a/packages/types/package.json b/packages/types/package.json
index c8419cf2c6b8..887a57cccf11 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@polkadot/types",
-  "version": "1.10.0-beta.29",
+  "version": "1.10.0",
   "description": "Implementation of the Parity codec",
   "main": "index.js",
   "keywords": [
@@ -27,7 +27,7 @@
   "homepage": "https://github.com/polkadot-js/api/tree/master/packages/types#readme",
   "dependencies": {
     "@babel/runtime": "^7.9.2",
-    "@polkadot/metadata": "1.10.0-beta.29",
+    "@polkadot/metadata": "1.10.0",
     "@polkadot/util": "^2.8.1",
     "@polkadot/util-crypto": "^2.8.1",
     "@types/bn.js": "^4.11.6",
diff --git a/yarn.lock b/yarn.lock
index 1504b034e37d..44780baf7133 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2607,25 +2607,25 @@ __metadata:
   resolution: "@polkadot/api-contract@workspace:packages/api-contract"
   dependencies:
     "@babel/runtime": ^7.9.2
-    "@polkadot/api": 1.10.0-beta.29
-    "@polkadot/rpc-core": 1.10.0-beta.29
-    "@polkadot/types": 1.10.0-beta.29
+    "@polkadot/api": 1.10.0
+    "@polkadot/rpc-core": 1.10.0
+    "@polkadot/types": 1.10.0
     "@polkadot/util": ^2.8.1
     bn.js: ^5.1.1
     rxjs: ^6.5.5
   languageName: unknown
   linkType: soft
 
-"@polkadot/api-derive@1.10.0-beta.29, @polkadot/api-derive@workspace:packages/api-derive":
+"@polkadot/api-derive@1.10.0, @polkadot/api-derive@workspace:packages/api-derive":
   version: 0.0.0-use.local
   resolution: "@polkadot/api-derive@workspace:packages/api-derive"
   dependencies:
     "@babel/runtime": ^7.9.2
-    "@polkadot/api": 1.10.0-beta.29
+    "@polkadot/api": 1.10.0
     "@polkadot/keyring": ^2.8.1
-    "@polkadot/rpc-core": 1.10.0-beta.29
-    "@polkadot/rpc-provider": 1.10.0-beta.29
-    "@polkadot/types": 1.10.0-beta.29
+    "@polkadot/rpc-core": 1.10.0
+    "@polkadot/rpc-provider": 1.10.0
+    "@polkadot/types": 1.10.0
     "@polkadot/util": ^2.8.1
     "@polkadot/util-crypto": ^2.8.1
     bn.js: ^5.1.1
@@ -2634,18 +2634,18 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/api@1.10.0-beta.29, @polkadot/api@workspace:packages/api":
+"@polkadot/api@1.10.0, @polkadot/api@workspace:packages/api":
   version: 0.0.0-use.local
   resolution: "@polkadot/api@workspace:packages/api"
   dependencies:
     "@babel/runtime": ^7.9.2
-    "@polkadot/api-derive": 1.10.0-beta.29
+    "@polkadot/api-derive": 1.10.0
     "@polkadot/keyring": ^2.8.1
-    "@polkadot/metadata": 1.10.0-beta.29
-    "@polkadot/rpc-core": 1.10.0-beta.29
-    "@polkadot/rpc-provider": 1.10.0-beta.29
-    "@polkadot/types": 1.10.0-beta.29
-    "@polkadot/types-known": 1.10.0-beta.29
+    "@polkadot/metadata": 1.10.0
+    "@polkadot/rpc-core": 1.10.0
+    "@polkadot/rpc-provider": 1.10.0
+    "@polkadot/types": 1.10.0
+    "@polkadot/types-known": 1.10.0
     "@polkadot/util": ^2.8.1
     "@polkadot/util-crypto": ^2.8.1
     bn.js: ^5.1.1
@@ -2752,43 +2752,43 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@polkadot/metadata@1.10.0-beta.29, @polkadot/metadata@workspace:packages/metadata":
+"@polkadot/metadata@1.10.0, @polkadot/metadata@workspace:packages/metadata":
   version: 0.0.0-use.local
   resolution: "@polkadot/metadata@workspace:packages/metadata"
   dependencies:
     "@babel/runtime": ^7.9.2
     "@polkadot/keyring": ^2.8.1
-    "@polkadot/types": 1.10.0-beta.29
-    "@polkadot/types-known": 1.10.0-beta.29
+    "@polkadot/types": 1.10.0
+    "@polkadot/types-known": 1.10.0
     "@polkadot/util": ^2.8.1
     "@polkadot/util-crypto": ^2.8.1
     bn.js: ^5.1.1
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-core@1.10.0-beta.29, @polkadot/rpc-core@workspace:packages/rpc-core":
+"@polkadot/rpc-core@1.10.0, @polkadot/rpc-core@workspace:packages/rpc-core":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-core@workspace:packages/rpc-core"
   dependencies:
     "@babel/runtime": ^7.9.2
     "@polkadot/keyring": ^2.8.1
-    "@polkadot/metadata": 1.10.0-beta.29
-    "@polkadot/rpc-provider": 1.10.0-beta.29
-    "@polkadot/types": 1.10.0-beta.29
+    "@polkadot/metadata": 1.10.0
+    "@polkadot/rpc-provider": 1.10.0
+    "@polkadot/types": 1.10.0
     "@polkadot/util": ^2.8.1
     memoizee: ^0.4.14
     rxjs: ^6.5.5
   languageName: unknown
   linkType: soft
 
-"@polkadot/rpc-provider@1.10.0-beta.29, @polkadot/rpc-provider@workspace:packages/rpc-provider":
+"@polkadot/rpc-provider@1.10.0, @polkadot/rpc-provider@workspace:packages/rpc-provider":
   version: 0.0.0-use.local
   resolution: "@polkadot/rpc-provider@workspace:packages/rpc-provider"
   dependencies:
     "@babel/runtime": ^7.9.2
     "@polkadot/keyring": ^2.8.1
-    "@polkadot/metadata": 1.10.0-beta.29
-    "@polkadot/types": 1.10.0-beta.29
+    "@polkadot/metadata": 1.10.0
+    "@polkadot/types": 1.10.0
     "@polkadot/util": ^2.8.1
     "@polkadot/util-crypto": ^2.8.1
     bn.js: ^5.1.1
@@ -2816,10 +2816,10 @@ __metadata:
     "@babel/core": ^7.9.0
     "@babel/register": ^7.9.0
     "@babel/runtime": ^7.9.2
-    "@polkadot/api": 1.10.0-beta.29
-    "@polkadot/metadata": 1.10.0-beta.29
-    "@polkadot/rpc-provider": 1.10.0-beta.29
-    "@polkadot/types": 1.10.0-beta.29
+    "@polkadot/api": 1.10.0
+    "@polkadot/metadata": 1.10.0
+    "@polkadot/rpc-provider": 1.10.0
+    "@polkadot/types": 1.10.0
     "@polkadot/util": ^2.8.1
     "@types/websocket": ^1.0.0
     "@types/yargs": ^15.0.4
@@ -2834,25 +2834,25 @@ __metadata:
   languageName: unknown
   linkType: soft
 
-"@polkadot/types-known@1.10.0-beta.29, @polkadot/types-known@workspace:packages/types-known":
+"@polkadot/types-known@1.10.0, @polkadot/types-known@workspace:packages/types-known":
   version: 0.0.0-use.local
   resolution: "@polkadot/types-known@workspace:packages/types-known"
   dependencies:
     "@babel/runtime": ^7.9.2
-    "@polkadot/types": 1.10.0-beta.29
+    "@polkadot/types": 1.10.0
     "@polkadot/util": ^2.8.1
     "@types/bn.js": ^4.11.6
     bn.js: ^5.1.1
   languageName: unknown
   linkType: soft
 
-"@polkadot/types@1.10.0-beta.29, @polkadot/types@workspace:packages/types":
+"@polkadot/types@1.10.0, @polkadot/types@workspace:packages/types":
   version: 0.0.0-use.local
   resolution: "@polkadot/types@workspace:packages/types"
   dependencies:
     "@babel/runtime": ^7.9.2
     "@polkadot/keyring": ^2.8.1
-    "@polkadot/metadata": 1.10.0-beta.29
+    "@polkadot/metadata": 1.10.0
     "@polkadot/util": ^2.8.1
     "@polkadot/util-crypto": ^2.8.1
     "@types/bn.js": ^4.11.6