merge development

137 files changed, 855 insertions, 642 deletions

diff --git a/contracts/asset-proxy/CHANGELOG.json b/contracts/asset-proxy/CHANGELOG.json
index 9307f7da4..932cf0752 100644
--- a/contracts/asset-proxy/CHANGELOG.json
+++ b/contracts/asset-proxy/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1549373905,
+        "version": "1.0.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.0",
         "changes": [
             {
diff --git a/contracts/asset-proxy/CHANGELOG.md b/contracts/asset-proxy/CHANGELOG.md
index 779eb68a7..abff2e53d 100644
--- a/contracts/asset-proxy/CHANGELOG.md
+++ b/contracts/asset-proxy/CHANGELOG.md
@@ -5,24 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
-## v2.2.3 - _January 17, 2019_
+## v1.0.1 - _February 5, 2019_
 
     * Dependencies updated
 
-## v2.2.2 - _January 15, 2019_
+## v1.0.0 - _Invalid date_
 
-    * Dependencies updated
-
-## v2.2.1 - _January 11, 2019_
-
-    * Dependencies updated
-
-## v2.2.0 - _January 9, 2019_
-
-    * Added LibAddressArray (#1383)
-    * Add validation and comments to MultiAssetProxy (#1455)
-    * Move OrderValidator to extensions (#1464)
-
-## v2.1.59 - _December 13, 2018_
-
-    * Dependencies updated
+    * Move all AssetProxy contracts out of contracts-protocol to new package (#1539)
diff --git a/contracts/asset-proxy/package.json b/contracts/asset-proxy/package.json
index 360fdab75..101109a80 100644
--- a/contracts/asset-proxy/package.json
+++ b/contracts/asset-proxy/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-asset-proxy",
-    "version": "1.0.0",
+    "version": "1.0.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,10 +44,10 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/contracts/protocol/README.md",
     "devDependencies": {
-        "@0x/abi-gen": "^1.0.22",
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/abi-gen": "^2.0.0",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/node": "*",
         "chai": "^4.0.1",
@@ -63,17 +63,17 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^3.0.13",
-        "@0x/contracts-test-utils": "^2.0.1",
-        "@0x/contracts-erc20": "1.0.0",
-        "@0x/contracts-erc721": "1.0.0",
-        "@0x/contracts-utils": "3.0.0",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/contracts-erc20": "^1.0.1",
+        "@0x/contracts-erc721": "^1.0.1",
+        "@0x/contracts-test-utils": "^3.0.0",
+        "@0x/contracts-utils": "^2.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "lodash": "^4.17.5"
     },
     "publishConfig": {
diff --git a/contracts/erc20/CHANGELOG.json b/contracts/erc20/CHANGELOG.json
index 93f284234..34a0948b7 100644
--- a/contracts/erc20/CHANGELOG.json
+++ b/contracts/erc20/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1549373905,
+        "version": "1.0.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.0",
         "changes": [
             {
diff --git a/contracts/erc20/CHANGELOG.md b/contracts/erc20/CHANGELOG.md
index 59d0804da..20569f9b9 100644
--- a/contracts/erc20/CHANGELOG.md
+++ b/contracts/erc20/CHANGELOG.md
@@ -5,22 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
-## v1.0.6 - _January 17, 2019_
+## v1.0.1 - _February 5, 2019_
 
     * Dependencies updated
 
-## v1.0.5 - _January 15, 2019_
+## v1.0.0 - _Invalid date_
 
-    * Dependencies updated
-
-## v1.0.4 - _January 11, 2019_
-
-    * Dependencies updated
-
-## v1.0.3 - _January 9, 2019_
-
-    * Dependencies updated
-
-## v1.0.2 - _December 13, 2018_
-
-    * Dependencies updated
+    * Move all ERC20 contracts out of contracts-tokens to new package (#1539)
diff --git a/contracts/erc20/package.json b/contracts/erc20/package.json
index 778b9257d..e60af6bfe 100644
--- a/contracts/erc20/package.json
+++ b/contracts/erc20/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-erc20",
-    "version": "1.0.0",
+    "version": "1.0.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,11 +44,11 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/contracts/tokens/README.md",
     "devDependencies": {
-        "@0x/abi-gen": "^1.0.22",
-        "@0x/contracts-test-utils": "^2.0.1",
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/abi-gen": "^2.0.0",
+        "@0x/contracts-test-utils": "^3.0.0",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/node": "*",
         "chai": "^4.0.1",
@@ -64,14 +64,14 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^3.0.13",
-        "@0x/contracts-exchange-libs": "1.0.0",
-        "@0x/contracts-utils": "3.0.0",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/contracts-exchange-libs": "^1.0.1",
+        "@0x/contracts-utils": "^2.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "lodash": "^4.17.5"
     },
     "publishConfig": {
diff --git a/contracts/erc721/CHANGELOG.json b/contracts/erc721/CHANGELOG.json
index caf1e6701..83b8bc1cd 100644
--- a/contracts/erc721/CHANGELOG.json
+++ b/contracts/erc721/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1549373905,
+        "version": "1.0.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.0",
         "changes": [
             {
diff --git a/contracts/erc721/CHANGELOG.md b/contracts/erc721/CHANGELOG.md
index 59d0804da..01f5fec60 100644
--- a/contracts/erc721/CHANGELOG.md
+++ b/contracts/erc721/CHANGELOG.md
@@ -5,22 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
-## v1.0.6 - _January 17, 2019_
+## v1.0.1 - _February 5, 2019_
 
     * Dependencies updated
 
-## v1.0.5 - _January 15, 2019_
+## v1.0.0 - _Invalid date_
 
-    * Dependencies updated
-
-## v1.0.4 - _January 11, 2019_
-
-    * Dependencies updated
-
-## v1.0.3 - _January 9, 2019_
-
-    * Dependencies updated
-
-## v1.0.2 - _December 13, 2018_
-
-    * Dependencies updated
+    * Move all ERC721 contracts out of contracts-tokens to new package (#1539)
diff --git a/contracts/erc721/package.json b/contracts/erc721/package.json
index 096e1025e..0a31a48ff 100644
--- a/contracts/erc721/package.json
+++ b/contracts/erc721/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-erc721",
-    "version": "1.0.0",
+    "version": "1.0.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,11 +44,11 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/contracts/tokens/README.md",
     "devDependencies": {
-        "@0x/abi-gen": "^1.0.22",
-        "@0x/contracts-test-utils": "^2.0.1",
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/abi-gen": "^2.0.0",
+        "@0x/contracts-test-utils": "^3.0.0",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/node": "*",
         "chai": "^4.0.1",
@@ -64,13 +64,13 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^3.0.13",
-        "@0x/contracts-utils": "3.0.0",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/contracts-utils": "^2.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "lodash": "^4.17.5"
     },
     "publishConfig": {
diff --git a/contracts/exchange-forwarder/CHANGELOG.json b/contracts/exchange-forwarder/CHANGELOG.json
index a9e5fa8da..ee0c1dce8 100644
--- a/contracts/exchange-forwarder/CHANGELOG.json
+++ b/contracts/exchange-forwarder/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1549373905,
+        "version": "1.0.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.0",
         "changes": [
             {
diff --git a/contracts/exchange-forwarder/CHANGELOG.md b/contracts/exchange-forwarder/CHANGELOG.md
index 94ffdfb67..7489d67aa 100644
--- a/contracts/exchange-forwarder/CHANGELOG.md
+++ b/contracts/exchange-forwarder/CHANGELOG.md
@@ -5,28 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
-## v1.2.3 - _January 17, 2019_
+## v1.0.1 - _February 5, 2019_
 
     * Dependencies updated
 
-## v1.2.2 - _January 15, 2019_
+## v1.0.0 - _Invalid date_
 
-    * Dependencies updated
-
-## v1.2.1 - _January 11, 2019_
-
-    * Dependencies updated
-
-## v1.2.0 - _January 9, 2019_
-
-    * Added Dutch Auction Wrapper (#1465)
-
-## v1.1.0 - _Invalid date_
-
-    * Added Balance Threshold Filter (#1383)
-    * Add OrderMatcher (#1117)
-    * Add OrderValidator (#1464)
-
-## v1.0.2 - _December 13, 2018_
-
-    * Dependencies updated
+    * Move Forwarder contract out of contracts-extensions into new package (#1539)
diff --git a/contracts/exchange-forwarder/package.json b/contracts/exchange-forwarder/package.json
index 73a30e851..53b7a92d9 100644
--- a/contracts/exchange-forwarder/package.json
+++ b/contracts/exchange-forwarder/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-exchange-forwarder",
-    "version": "1.0.0",
+    "version": "1.0.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,12 +44,12 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/contracts/extensions/README.md",
     "devDependencies": {
-        "@0x/abi-gen": "^1.0.22",
-        "@0x/contract-wrappers": "^5.0.1",
-        "@0x/contracts-test-utils": "^2.0.1",
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/abi-gen": "^2.0.0",
+        "@0x/contract-wrappers": "^6.0.1",
+        "@0x/contracts-test-utils": "^3.0.0",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/node": "*",
         "chai": "^4.0.1",
@@ -65,19 +65,19 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^3.0.13",
-        "@0x/contracts-asset-proxy": "1.0.0",
-        "@0x/contracts-exchange-libs": "1.0.0",
-        "@0x/contracts-exchange": "1.0.0",
-        "@0x/contracts-erc20": "1.0.0",
-        "@0x/contracts-erc721": "1.0.0",
-        "@0x/contracts-utils": "3.0.0",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/contracts-asset-proxy": "^1.0.1",
+        "@0x/contracts-erc20": "^1.0.1",
+        "@0x/contracts-erc721": "^1.0.1",
+        "@0x/contracts-exchange": "^1.0.1",
+        "@0x/contracts-exchange-libs": "^1.0.1",
+        "@0x/contracts-utils": "^2.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "lodash": "^4.17.5"
     },
     "publishConfig": {
diff --git a/contracts/exchange-libs/CHANGELOG.json b/contracts/exchange-libs/CHANGELOG.json
index cdaac93ea..6d769c502 100644
--- a/contracts/exchange-libs/CHANGELOG.json
+++ b/contracts/exchange-libs/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1549373905,
+        "version": "1.0.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.0",
         "changes": [
             {
diff --git a/contracts/exchange-libs/CHANGELOG.md b/contracts/exchange-libs/CHANGELOG.md
index 59d0804da..d2740d0b1 100644
--- a/contracts/exchange-libs/CHANGELOG.md
+++ b/contracts/exchange-libs/CHANGELOG.md
@@ -5,22 +5,11 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
-## v1.0.6 - _January 17, 2019_
+## v1.0.1 - _February 5, 2019_
 
     * Dependencies updated
 
-## v1.0.5 - _January 15, 2019_
+## v1.0.0 - _Invalid date_
 
-    * Dependencies updated
-
-## v1.0.4 - _January 11, 2019_
-
-    * Dependencies updated
-
-## v1.0.3 - _January 9, 2019_
-
-    * Dependencies updated
-
-## v1.0.2 - _December 13, 2018_
-
-    * Dependencies updated
+    * Rename contracts-libs to contracts-exchange-libs (#1539)
+    * Move LibAddressArray contract to contracts-utils (#1539)
diff --git a/contracts/exchange-libs/package.json b/contracts/exchange-libs/package.json
index f3efdd00e..bd35e9888 100644
--- a/contracts/exchange-libs/package.json
+++ b/contracts/exchange-libs/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-exchange-libs",
-    "version": "1.0.0",
+    "version": "1.0.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,11 +44,11 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/contracts/libs/README.md",
     "devDependencies": {
-        "@0x/abi-gen": "^1.0.22",
-        "@0x/contracts-test-utils": "^2.0.1",
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/abi-gen": "^2.0.0",
+        "@0x/contracts-test-utils": "^3.0.0",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/node": "*",
         "chai": "^4.0.1",
@@ -64,14 +64,14 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^3.0.13",
-        "@0x/contracts-utils": "3.0.0",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/contracts-utils": "^2.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "lodash": "^4.17.5"
     },
     "publishConfig": {
diff --git a/contracts/exchange/CHANGELOG.json b/contracts/exchange/CHANGELOG.json
index e4c7aa986..a03a08c29 100644
--- a/contracts/exchange/CHANGELOG.json
+++ b/contracts/exchange/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1549373905,
+        "version": "1.0.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "1.0.0",
         "changes": [
             {
diff --git a/contracts/exchange/CHANGELOG.md b/contracts/exchange/CHANGELOG.md
index 779eb68a7..f59bbf5d4 100644
--- a/contracts/exchange/CHANGELOG.md
+++ b/contracts/exchange/CHANGELOG.md
@@ -5,24 +5,11 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
-## v2.2.3 - _January 17, 2019_
+## v1.0.1 - _February 5, 2019_
 
     * Dependencies updated
 
-## v2.2.2 - _January 15, 2019_
+## v1.0.0 - _Invalid date_
 
-    * Dependencies updated
-
-## v2.2.1 - _January 11, 2019_
-
-    * Dependencies updated
-
-## v2.2.0 - _January 9, 2019_
-
-    * Added LibAddressArray (#1383)
-    * Add validation and comments to MultiAssetProxy (#1455)
-    * Move OrderValidator to extensions (#1464)
-
-## v2.1.59 - _December 13, 2018_
-
-    * Dependencies updated
+    * Move Exchange contract out of contracts-protocol to new package (#1539)
+    * Move example contracts out of contracts-examples to new package (#1539)
diff --git a/contracts/exchange/package.json b/contracts/exchange/package.json
index a11767626..76fe7f215 100644
--- a/contracts/exchange/package.json
+++ b/contracts/exchange/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-exchange",
-    "version": "1.0.0",
+    "version": "1.0.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,10 +44,10 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/contracts/protocol/README.md",
     "devDependencies": {
-        "@0x/abi-gen": "^1.0.22",
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/abi-gen": "^2.0.0",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/node": "*",
         "chai": "^4.0.1",
@@ -63,19 +63,19 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^3.0.13",
-        "@0x/contracts-asset-proxy": "1.0.0",
-        "@0x/contracts-exchange-libs": "1.0.0",
-        "@0x/contracts-test-utils": "^2.0.1",
-        "@0x/contracts-erc20": "1.0.0",
-        "@0x/contracts-erc721": "1.0.0",
-        "@0x/contracts-utils": "3.0.0",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/contracts-asset-proxy": "^1.0.1",
+        "@0x/contracts-erc20": "^1.0.1",
+        "@0x/contracts-erc721": "^1.0.1",
+        "@0x/contracts-exchange-libs": "^1.0.1",
+        "@0x/contracts-test-utils": "^3.0.0",
+        "@0x/contracts-utils": "^2.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-util": "^5.1.1",
         "lodash": "^4.17.5"
     },
diff --git a/contracts/extensions/CHANGELOG.json b/contracts/extensions/CHANGELOG.json
index 16ec073aa..6e89b0c79 100644
--- a/contracts/extensions/CHANGELOG.json
+++ b/contracts/extensions/CHANGELOG.json
@@ -1,8 +1,12 @@
 [
     {
-        "version": "3.0.0",
+        "version": "2.0.0",
         "changes": [
             {
+                "note": "Upgrade the bignumber.js to v8.0.2",
+                "pr": 1517
+            },
+            {
                 "note": "Move Forwarder contract into new package",
                 "pr": 1539
             },
@@ -10,16 +14,8 @@
                 "note": "Nest extensions under src directory",
                 "pr": 1539
             }
-        ]
-    },
-    {
-        "version": "2.0.0",
-        "changes": [
-            {
-                "note": "Upgrade the bignumber.js to v8.0.2",
-                "pr": 1517
-            }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547747677,
diff --git a/contracts/extensions/CHANGELOG.md b/contracts/extensions/CHANGELOG.md
index 94ffdfb67..54014c14b 100644
--- a/contracts/extensions/CHANGELOG.md
+++ b/contracts/extensions/CHANGELOG.md
@@ -5,6 +5,12 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+    * Move Forwarder contract into new package (#1539)
+    * Nest extensions under src directory (#1539)
+
 ## v1.2.3 - _January 17, 2019_
 
     * Dependencies updated
diff --git a/contracts/extensions/package.json b/contracts/extensions/package.json
index ad829033f..2c8767bcb 100644
--- a/contracts/extensions/package.json
+++ b/contracts/extensions/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-extensions",
-    "version": "1.2.3",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,12 +44,12 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/contracts/extensions/README.md",
     "devDependencies": {
-        "@0x/abi-gen": "^1.0.22",
-        "@0x/contract-wrappers": "^5.0.1",
-        "@0x/contracts-test-utils": "^2.0.1",
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/abi-gen": "^2.0.0",
+        "@0x/contract-wrappers": "^6.0.1",
+        "@0x/contracts-test-utils": "^3.0.0",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/node": "*",
         "chai": "^4.0.1",
@@ -65,19 +65,19 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^3.0.13",
-        "@0x/contracts-asset-proxy": "1.0.0",
-        "@0x/contracts-exchange-libs": "1.0.0",
-        "@0x/contracts-exchange": "1.0.0",
-        "@0x/contracts-erc20": "1.0.0",
-        "@0x/contracts-erc721": "1.0.0",
-        "@0x/contracts-utils": "3.0.0",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/contracts-asset-proxy": "^1.0.1",
+        "@0x/contracts-erc20": "^1.0.1",
+        "@0x/contracts-erc721": "^1.0.1",
+        "@0x/contracts-exchange": "^1.0.1",
+        "@0x/contracts-exchange-libs": "^1.0.1",
+        "@0x/contracts-utils": "^2.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "lodash": "^4.17.5"
     },
     "publishConfig": {
diff --git a/contracts/multisig/CHANGELOG.json b/contracts/multisig/CHANGELOG.json
index 0fd8833c9..71a02a0cd 100644
--- a/contracts/multisig/CHANGELOG.json
+++ b/contracts/multisig/CHANGELOG.json
@@ -1,8 +1,12 @@
 [
     {
-        "version": "3.0.0",
+        "version": "2.0.0",
         "changes": [
             {
+                "note": "Upgrade the bignumber.js to v8.0.2",
+                "pr": 1517
+            },
+            {
                 "note": "Add AssetProxyOwner contract",
                 "pr": 1539
             },
@@ -10,16 +14,8 @@
                 "note": "Rename multisig directory to src",
                 "pr": 1539
             }
-        ]
-    },
-    {
-        "version": "2.0.0",
-        "changes": [
-            {
-                "note": "Upgrade the bignumber.js to v8.0.2",
-                "pr": 1517
-            }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547747677,
diff --git a/contracts/multisig/CHANGELOG.md b/contracts/multisig/CHANGELOG.md
index 59d0804da..6dc72b9ef 100644
--- a/contracts/multisig/CHANGELOG.md
+++ b/contracts/multisig/CHANGELOG.md
@@ -5,6 +5,12 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+    * Add AssetProxyOwner contract (#1539)
+    * Rename multisig directory to src (#1539)
+
 ## v1.0.6 - _January 17, 2019_
 
     * Dependencies updated
diff --git a/contracts/multisig/package.json b/contracts/multisig/package.json
index cbdd96fd8..2bd71e240 100644
--- a/contracts/multisig/package.json
+++ b/contracts/multisig/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-multisig",
-    "version": "1.0.6",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,11 +44,11 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/contracts/multisig/README.md",
     "devDependencies": {
-        "@0x/abi-gen": "^1.0.22",
-        "@0x/contracts-test-utils": "^2.0.1",
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/abi-gen": "^2.0.0",
+        "@0x/contracts-test-utils": "^3.0.0",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/node": "*",
         "chai": "^4.0.1",
@@ -64,14 +64,14 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^3.0.13",
-        "@0x/contracts-asset-proxy": "1.0.0",
-        "@0x/contracts-erc20": "1.0.0",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/contracts-asset-proxy": "^1.0.1",
+        "@0x/contracts-erc20": "^1.0.1",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "lodash": "^4.17.5"
     },
     "publishConfig": {
diff --git a/contracts/test-utils/CHANGELOG.json b/contracts/test-utils/CHANGELOG.json
index ae1575e43..51b726e82 100644
--- a/contracts/test-utils/CHANGELOG.json
+++ b/contracts/test-utils/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547747677,
diff --git a/contracts/test-utils/CHANGELOG.md b/contracts/test-utils/CHANGELOG.md
index 2ed0524a6..a643b5735 100644
--- a/contracts/test-utils/CHANGELOG.md
+++ b/contracts/test-utils/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v2.0.1 - _January 17, 2019_
 
     * Dependencies updated
diff --git a/contracts/test-utils/package.json b/contracts/test-utils/package.json
index 262b8c7cd..e47561cdb 100644
--- a/contracts/test-utils/package.json
+++ b/contracts/test-utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-test-utils",
-    "version": "2.0.1",
+    "version": "3.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -40,19 +40,19 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/abi-gen": "^1.0.22",
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/sol-coverage": "^1.0.3",
-        "@0x/sol-profiler": "^1.0.3",
-        "@0x/sol-trace": "^1.0.3",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/tslint-config": "^2.0.2",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/abi-gen": "^2.0.0",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/sol-coverage": "^2.0.0",
+        "@0x/sol-profiler": "^2.0.1",
+        "@0x/sol-trace": "^2.0.1",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "@types/bn.js": "^4.11.0",
         "@types/js-combinatorics": "^0.5.29",
         "@types/lodash": "4.14.104",
@@ -62,7 +62,7 @@
         "chai-as-promised": "^7.1.0",
         "chai-bignumber": "^3.0.0",
         "dirty-chai": "^2.0.1",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-util": "^5.1.1",
         "ethers": "~4.0.4",
         "js-combinatorics": "^0.5.3",
diff --git a/contracts/utils/CHANGELOG.json b/contracts/utils/CHANGELOG.json
index 94434b803..187a81d70 100644
--- a/contracts/utils/CHANGELOG.json
+++ b/contracts/utils/CHANGELOG.json
@@ -1,8 +1,16 @@
 [
     {
-        "version": "3.0.0",
+        "version": "2.0.0",
         "changes": [
             {
+                "note": "Upgrade the bignumber.js to v8.0.2",
+                "pr": 1517
+            },
+            {
+                "note": "Fix imports in `TestConstants` and `TestLibBytes` to be relative. This way they show up correctly in coverage reports",
+                "pr": 1535
+            },
+            {
                 "note": "Add LibAddressArray contract",
                 "pr": 1539
             },
@@ -14,25 +22,8 @@
                 "note": "Rename utils directory to src",
                 "pr": 1539
             }
-        ]
-    },
-    {
-        "version": "2.0.1",
-        "changes": [
-            {
-                "note": "Fix imports in `TestConstants` and `TestLibBytes` to be relative. This way they show up correctly in coverage reports",
-                "pr": 1535
-            }
-        ]
-    },
-    {
-        "version": "2.0.0",
-        "changes": [
-            {
-                "note": "Upgrade the bignumber.js to v8.0.2",
-                "pr": 1517
-            }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547747677,
diff --git a/contracts/utils/CHANGELOG.md b/contracts/utils/CHANGELOG.md
index 59d0804da..4c46b4f95 100644
--- a/contracts/utils/CHANGELOG.md
+++ b/contracts/utils/CHANGELOG.md
@@ -5,6 +5,14 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+    * Fix imports in `TestConstants` and `TestLibBytes` to be relative. This way they show up correctly in coverage reports (#1535)
+    * Add LibAddressArray contract (#1539)
+    * Do not nest contracts in redundant directories (#1539)
+    * Rename utils directory to src (#1539)
+
 ## v1.0.6 - _January 17, 2019_
 
     * Dependencies updated
diff --git a/contracts/utils/package.json b/contracts/utils/package.json
index 33d94cc33..f277b6673 100644
--- a/contracts/utils/package.json
+++ b/contracts/utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contracts-utils",
-    "version": "3.0.0",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,14 +44,14 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/contracts/utils/README.md",
     "devDependencies": {
-        "@0x/abi-gen": "^1.0.22",
-        "@0x/contracts-test-utils": "^2.0.1",
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/abi-gen": "^2.0.0",
+        "@0x/contracts-test-utils": "^3.0.0",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
+        "@types/bn.js": "^4.11.0",
         "@types/lodash": "4.14.104",
         "@types/node": "*",
-        "@types/bn.js": "^4.11.0",
         "chai": "^4.0.1",
         "chai-as-promised": "^7.1.0",
         "chai-bignumber": "^3.0.0",
@@ -65,14 +65,14 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/base-contract": "^3.0.13",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "bn.js": "^4.11.8",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-util": "^5.1.1",
         "lodash": "^4.17.5"
     },
diff --git a/packages/0x.js/CHANGELOG.json b/packages/0x.js/CHANGELOG.json
index 20778f8bb..1eab891a8 100644
--- a/packages/0x.js/CHANGELOG.json
+++ b/packages/0x.js/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547747677,
diff --git a/packages/0x.js/CHANGELOG.md b/packages/0x.js/CHANGELOG.md
index b0279f097..cca12fda4 100644
--- a/packages/0x.js/CHANGELOG.md
+++ b/packages/0x.js/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v3.0.3 - _January 17, 2019_
 
     * Dependencies updated
diff --git a/packages/0x.js/package.json b/packages/0x.js/package.json
index e7011289e..58cd439fd 100644
--- a/packages/0x.js/package.json
+++ b/packages/0x.js/package.json
@@ -1,6 +1,6 @@
 {
     "name": "0x.js",
-    "version": "3.0.3",
+    "version": "4.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -42,11 +42,11 @@
     },
     "license": "Apache-2.0",
     "devDependencies": {
-        "@0x/abi-gen-wrappers": "^2.2.0",
-        "@0x/contract-addresses": "^2.2.0",
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/migrations": "^2.4.0",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/abi-gen-wrappers": "^3.0.0",
+        "@0x/contract-addresses": "^2.2.1",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/migrations": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
         "@types/node": "*",
@@ -72,18 +72,18 @@
         "webpack": "^4.20.2"
     },
     "dependencies": {
-        "@0x/assert": "^1.0.23",
-        "@0x/base-contract": "^3.0.13",
-        "@0x/contract-wrappers": "^5.0.1",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/order-watcher": "^2.4.3",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/assert": "^2.0.0",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/contract-wrappers": "^6.0.1",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/order-watcher": "^3.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "@types/web3-provider-engine": "^14.0.0",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethers": "~4.0.4",
         "lodash": "^4.17.11",
         "web3-provider-engine": "14.0.6"
diff --git a/packages/abi-gen-templates/CHANGELOG.json b/packages/abi-gen-templates/CHANGELOG.json
index 7d444d0ca..94afa8db1 100644
--- a/packages/abi-gen-templates/CHANGELOG.json
+++ b/packages/abi-gen-templates/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/abi-gen-templates/CHANGELOG.md b/packages/abi-gen-templates/CHANGELOG.md
index 5dd6d03e0..cdaee6264 100644
--- a/packages/abi-gen-templates/CHANGELOG.md
+++ b/packages/abi-gen-templates/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.0.2 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/abi-gen-templates/package.json b/packages/abi-gen-templates/package.json
index af66aeba0..dfa9248c7 100644
--- a/packages/abi-gen-templates/package.json
+++ b/packages/abi-gen-templates/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/abi-gen-templates",
-    "version": "1.0.2",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/packages/abi-gen-wrappers/CHANGELOG.json b/packages/abi-gen-wrappers/CHANGELOG.json
index c604302b5..2603ae525 100644
--- a/packages/abi-gen-wrappers/CHANGELOG.json
+++ b/packages/abi-gen-wrappers/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "version": "2.2.0",
diff --git a/packages/abi-gen-wrappers/CHANGELOG.md b/packages/abi-gen-wrappers/CHANGELOG.md
index 294f39439..793e1f157 100644
--- a/packages/abi-gen-wrappers/CHANGELOG.md
+++ b/packages/abi-gen-wrappers/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v2.2.0 - _January 15, 2019_
 
     * Added `MultiAssetProxy` (#1503)
diff --git a/packages/abi-gen-wrappers/package.json b/packages/abi-gen-wrappers/package.json
index d30bc291d..2372aacda 100644
--- a/packages/abi-gen-wrappers/package.json
+++ b/packages/abi-gen-wrappers/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/abi-gen-wrappers",
-    "version": "2.2.0",
+    "version": "3.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -30,19 +30,19 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/abi-gen-wrappers/README.md",
     "devDependencies": {
-        "@0x/abi-gen": "^1.0.22",
-        "@0x/abi-gen-templates": "^1.0.2",
-        "@0x/tslint-config": "^2.0.2",
-        "@0x/types": "^1.5.2",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/abi-gen": "^2.0.0",
+        "@0x/abi-gen-templates": "^2.0.0",
+        "@0x/tslint-config": "^3.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "ethers": "~4.0.4",
         "lodash": "^4.17.11",
         "shx": "^0.2.2"
     },
     "dependencies": {
-        "@0x/base-contract": "^3.0.13"
+        "@0x/base-contract": "^4.0.0"
     },
     "publishConfig": {
         "access": "public"
diff --git a/packages/abi-gen/CHANGELOG.json b/packages/abi-gen/CHANGELOG.json
index 173617b65..66858db63 100644
--- a/packages/abi-gen/CHANGELOG.json
+++ b/packages/abi-gen/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/abi-gen/CHANGELOG.md b/packages/abi-gen/CHANGELOG.md
index af74218b8..d68608194 100644
--- a/packages/abi-gen/CHANGELOG.md
+++ b/packages/abi-gen/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.0.22 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/abi-gen/package.json b/packages/abi-gen/package.json
index 229b16906..3199eb120 100644
--- a/packages/abi-gen/package.json
+++ b/packages/abi-gen/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/abi-gen",
-    "version": "1.0.22",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -31,10 +31,10 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/abi-gen/README.md",
     "dependencies": {
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
         "chalk": "^2.3.0",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "glob": "^7.1.2",
         "handlebars": "^4.0.11",
         "lodash": "^4.17.11",
@@ -45,7 +45,7 @@
         "yargs": "^10.0.3"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/glob": "5.0.35",
         "@types/handlebars": "^4.0.36",
         "@types/mkdirp": "^0.5.2",
diff --git a/packages/assert/CHANGELOG.json b/packages/assert/CHANGELOG.json
index 278b7dfa1..814b5d148 100644
--- a/packages/assert/CHANGELOG.json
+++ b/packages/assert/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/assert/CHANGELOG.md b/packages/assert/CHANGELOG.md
index 5a4af165a..90fba7196 100644
--- a/packages/assert/CHANGELOG.md
+++ b/packages/assert/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.0.23 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/assert/package.json b/packages/assert/package.json
index aed39d736..e071e3992 100644
--- a/packages/assert/package.json
+++ b/packages/assert/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/assert",
-    "version": "1.0.23",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -29,7 +29,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/assert/README.md",
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
         "@types/valid-url": "^1.0.2",
@@ -44,9 +44,9 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/json-schemas": "^2.1.7",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
+        "@0x/json-schemas": "^3.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
         "lodash": "^4.17.11",
         "valid-url": "^1.0.9"
     },
diff --git a/packages/asset-buyer/CHANGELOG.json b/packages/asset-buyer/CHANGELOG.json
index 2de603de0..39d402084 100644
--- a/packages/asset-buyer/CHANGELOG.json
+++ b/packages/asset-buyer/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "version": "4.1.0",
diff --git a/packages/asset-buyer/CHANGELOG.md b/packages/asset-buyer/CHANGELOG.md
index f2a3d2236..5bb0d7274 100644
--- a/packages/asset-buyer/CHANGELOG.md
+++ b/packages/asset-buyer/CHANGELOG.md
@@ -5,6 +5,14 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v5.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
+## v4.1.0 - _Invalid date_
+
+    * Adds new public method getLiquidityForAssetDataAsync, and exposes getOrdersAndFillableAmountsAsync as public method (#1512)
+
 ## v4.0.2 - _January 17, 2019_
 
     * Dependencies updated
diff --git a/packages/asset-buyer/package.json b/packages/asset-buyer/package.json
index 05d28e3ee..e4a8dcd6a 100644
--- a/packages/asset-buyer/package.json
+++ b/packages/asset-buyer/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/asset-buyer",
-    "version": "4.0.2",
+    "version": "5.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -36,21 +36,21 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/asset-buyer/README.md",
     "dependencies": {
-        "@0x/assert": "^1.0.23",
-        "@0x/connect": "^3.0.13",
-        "@0x/contract-wrappers": "^5.0.1",
-        "@0x/json-schemas": "^2.1.7",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/assert": "^2.0.0",
+        "@0x/connect": "^4.0.0",
+        "@0x/contract-wrappers": "^6.0.1",
+        "@0x/json-schemas": "^3.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "lodash": "^4.17.11"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
         "@types/node": "*",
diff --git a/packages/base-contract/CHANGELOG.json b/packages/base-contract/CHANGELOG.json
index 63b1fe8f7..070f32d1d 100644
--- a/packages/base-contract/CHANGELOG.json
+++ b/packages/base-contract/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/base-contract/CHANGELOG.md b/packages/base-contract/CHANGELOG.md
index 975a56fd4..f6d3ec615 100644
--- a/packages/base-contract/CHANGELOG.md
+++ b/packages/base-contract/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v3.0.13 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/base-contract/package.json b/packages/base-contract/package.json
index 28c7aa2f4..1dbc6a854 100644
--- a/packages/base-contract/package.json
+++ b/packages/base-contract/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/base-contract",
-    "version": "3.0.13",
+    "version": "4.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -29,7 +29,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/base-contract/README.md",
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "chai": "^4.0.1",
         "make-promises-safe": "^1.1.0",
@@ -40,10 +40,10 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "ethers": "~4.0.4",
         "lodash": "^4.17.11"
     },
diff --git a/packages/connect/CHANGELOG.json b/packages/connect/CHANGELOG.json
index c2f16d96a..45a1b80f8 100644
--- a/packages/connect/CHANGELOG.json
+++ b/packages/connect/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/connect/CHANGELOG.md b/packages/connect/CHANGELOG.md
index 7556aae72..d0172b951 100644
--- a/packages/connect/CHANGELOG.md
+++ b/packages/connect/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v3.0.13 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/connect/package.json b/packages/connect/package.json
index 4f00b2249..b0e1fd3b2 100644
--- a/packages/connect/package.json
+++ b/packages/connect/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/connect",
-    "version": "3.0.13",
+    "version": "4.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -44,12 +44,12 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/connect/README.md",
     "dependencies": {
-        "@0x/assert": "^1.0.23",
-        "@0x/json-schemas": "^2.1.7",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
+        "@0x/assert": "^2.0.0",
+        "@0x/json-schemas": "^3.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
         "lodash": "^4.17.11",
         "query-string": "^6.0.0",
         "sinon": "^4.0.0",
@@ -57,7 +57,7 @@
         "websocket": "^1.0.25"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/fetch-mock": "^6.0.3",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
diff --git a/packages/contract-addresses/CHANGELOG.json b/packages/contract-addresses/CHANGELOG.json
index 8800f2f73..c420df69d 100644
--- a/packages/contract-addresses/CHANGELOG.json
+++ b/packages/contract-addresses/CHANGELOG.json
@@ -1,5 +1,14 @@
 [
     {
+        "timestamp": 1549373905,
+        "version": "2.2.1",
+        "changes": [
+            {
+                "note": "Dependencies updated"
+            }
+        ]
+    },
+    {
         "version": "2.2.0",
         "changes": [
             {
diff --git a/packages/contract-addresses/CHANGELOG.md b/packages/contract-addresses/CHANGELOG.md
index 1f3d187a4..deab2b398 100644
--- a/packages/contract-addresses/CHANGELOG.md
+++ b/packages/contract-addresses/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.2.1 - _February 5, 2019_
+
+    * Dependencies updated
+
 ## v2.2.0 - _January 15, 2019_
 
     * Added migration for `MultiAssetProxy` contract (#1503)
diff --git a/packages/contract-addresses/package.json b/packages/contract-addresses/package.json
index 77a1ffc56..84cc052c9 100644
--- a/packages/contract-addresses/package.json
+++ b/packages/contract-addresses/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contract-addresses",
-    "version": "2.2.0",
+    "version": "2.2.1",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/packages/contract-wrappers/CHANGELOG.json b/packages/contract-wrappers/CHANGELOG.json
index 9cea720c8..413563f80 100644
--- a/packages/contract-wrappers/CHANGELOG.json
+++ b/packages/contract-wrappers/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Fix OrderValidatorWrapper constructor to use the correct address",
                 "pr": 1568
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "version": "6.0.0",
diff --git a/packages/contract-wrappers/CHANGELOG.md b/packages/contract-wrappers/CHANGELOG.md
index 28cbf2ec6..03cb40fac 100644
--- a/packages/contract-wrappers/CHANGELOG.md
+++ b/packages/contract-wrappers/CHANGELOG.md
@@ -5,6 +5,14 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v6.0.1 - _February 5, 2019_
+
+    * Fix OrderValidatorWrapper constructor to use the correct address (#1568)
+
+## v6.0.0 - _Invalid date_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v5.0.1 - _January 17, 2019_
 
     * Dependencies updated
diff --git a/packages/contract-wrappers/package.json b/packages/contract-wrappers/package.json
index 9394c3c0e..562eba81c 100644
--- a/packages/contract-wrappers/package.json
+++ b/packages/contract-wrappers/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/contract-wrappers",
-    "version": "5.0.1",
+    "version": "6.0.1",
     "description": "Smart TS wrappers for 0x smart contracts",
     "keywords": [
         "0xproject",
@@ -37,10 +37,10 @@
         "node": ">=6.0.0"
     },
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/migrations": "^2.4.0",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/migrations": "^3.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
         "@types/node": "*",
@@ -65,19 +65,19 @@
         "web3-provider-engine": "14.0.6"
     },
     "dependencies": {
-        "@0x/abi-gen-wrappers": "^2.2.0",
-        "@0x/assert": "^1.0.23",
-        "@0x/contract-addresses": "^2.2.0",
+        "@0x/abi-gen-wrappers": "^3.0.0",
+        "@0x/assert": "^2.0.0",
+        "@0x/contract-addresses": "^2.2.1",
         "@0x/contract-artifacts": "^1.3.0",
-        "@0x/contracts-test-utils": "^2.0.1",
-        "@0x/fill-scenarios": "^1.1.2",
-        "@0x/json-schemas": "^2.1.7",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/contracts-test-utils": "^3.0.0",
+        "@0x/fill-scenarios": "^2.0.0",
+        "@0x/json-schemas": "^3.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-abi": "0.6.5",
         "ethereumjs-blockstream": "6.0.0",
         "ethereumjs-util": "^5.1.1",
diff --git a/packages/dev-tools-pages/package.json b/packages/dev-tools-pages/package.json
index b4e93d6c6..3a3345e82 100644
--- a/packages/dev-tools-pages/package.json
+++ b/packages/dev-tools-pages/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/dev-tools-pages",
-    "version": "0.0.14",
+    "version": "0.0.15",
     "engines": {
         "node": ">=6.12"
     },
@@ -26,7 +26,7 @@
     },
     "license": "Apache-2.0",
     "dependencies": {
-        "@0x/react-shared": "^1.1.2",
+        "@0x/react-shared": "^2.0.0",
         "basscss": "^8.0.3",
         "bowser": "^1.9.3",
         "highlight.js": "^9.13.1",
diff --git a/packages/dev-utils/CHANGELOG.json b/packages/dev-utils/CHANGELOG.json
index d05e41d2d..141ac0eb6 100644
--- a/packages/dev-utils/CHANGELOG.json
+++ b/packages/dev-utils/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/dev-utils/CHANGELOG.md b/packages/dev-utils/CHANGELOG.md
index 958fded86..a89a07a90 100644
--- a/packages/dev-utils/CHANGELOG.md
+++ b/packages/dev-utils/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.0.24 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/dev-utils/package.json b/packages/dev-utils/package.json
index f1f37f638..41956765b 100644
--- a/packages/dev-utils/package.json
+++ b/packages/dev-utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/dev-utils",
-    "version": "1.0.24",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -29,7 +29,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/dev-utils/README.md",
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
         "make-promises-safe": "^1.1.0",
@@ -41,14 +41,14 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/subproviders": "^2.1.11",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "@types/web3-provider-engine": "^14.0.0",
         "chai": "^4.0.1",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "lodash": "^4.17.11"
     },
     "publishConfig": {
diff --git a/packages/ethereum-types/CHANGELOG.json b/packages/ethereum-types/CHANGELOG.json
index c106d43a9..4a75b4c9a 100644
--- a/packages/ethereum-types/CHANGELOG.json
+++ b/packages/ethereum-types/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/ethereum-types/CHANGELOG.md b/packages/ethereum-types/CHANGELOG.md
index c1857495d..45a82478e 100644
--- a/packages/ethereum-types/CHANGELOG.md
+++ b/packages/ethereum-types/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.1.6 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/ethereum-types/package.json b/packages/ethereum-types/package.json
index bd3748058..5f3ea2189 100644
--- a/packages/ethereum-types/package.json
+++ b/packages/ethereum-types/package.json
@@ -1,6 +1,6 @@
 {
     "name": "ethereum-types",
-    "version": "1.1.6",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -29,7 +29,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/ethereum-types/README.md",
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "make-promises-safe": "^1.1.0",
         "shx": "^0.2.2",
         "tslint": "5.11.0",
diff --git a/packages/fill-scenarios/CHANGELOG.json b/packages/fill-scenarios/CHANGELOG.json
index beffdd097..45ad00308 100644
--- a/packages/fill-scenarios/CHANGELOG.json
+++ b/packages/fill-scenarios/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/fill-scenarios/CHANGELOG.md b/packages/fill-scenarios/CHANGELOG.md
index 7df8b5ab3..d483661db 100644
--- a/packages/fill-scenarios/CHANGELOG.md
+++ b/packages/fill-scenarios/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.1.2 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/fill-scenarios/package.json b/packages/fill-scenarios/package.json
index d4afd2187..5bde3f23e 100644
--- a/packages/fill-scenarios/package.json
+++ b/packages/fill-scenarios/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/fill-scenarios",
-    "version": "1.1.2",
+    "version": "2.0.0",
     "description": "0x order fill scenario generator",
     "main": "lib/index.js",
     "types": "lib/index.d.ts",
@@ -20,7 +20,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/fill-scenarios/README.md",
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/lodash": "4.14.104",
         "make-promises-safe": "^1.1.0",
         "shx": "^0.2.2",
@@ -28,15 +28,15 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/abi-gen-wrappers": "^2.2.0",
-        "@0x/base-contract": "^3.0.13",
+        "@0x/abi-gen-wrappers": "^3.0.0",
+        "@0x/base-contract": "^4.0.0",
         "@0x/contract-artifacts": "^1.3.0",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
-        "ethereum-types": "^1.1.6",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "ethers": "~4.0.4",
         "lodash": "^4.17.11"
     },
diff --git a/packages/instant/package.json b/packages/instant/package.json
index 147a47da8..3b7055595 100644
--- a/packages/instant/package.json
+++ b/packages/instant/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/instant",
-    "version": "1.0.8",
+    "version": "1.0.9",
     "engines": {
         "node": ">=6.12"
     },
@@ -42,19 +42,19 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/instant/README.md",
     "dependencies": {
-        "@0x/assert": "^1.0.23",
-        "@0x/asset-buyer": "^4.0.2",
-        "@0x/json-schemas": "^2.1.7",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/assert": "^2.0.0",
+        "@0x/asset-buyer": "^5.0.0",
+        "@0x/json-schemas": "^3.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "babel-runtime": "^6.26.0",
         "bowser": "^1.9.4",
         "copy-to-clipboard": "^3.0.8",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "lodash": "^4.17.11",
         "polished": "^1.9.2",
         "react": "^16.5.2",
@@ -67,7 +67,7 @@
         "ts-optchain": "^0.1.1"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@static/discharge": "https://github.com/0xProject/discharge.git",
         "@types/enzyme": "^3.1.14",
         "@types/enzyme-adapter-react-16": "^1.0.3",
@@ -81,11 +81,11 @@
         "@types/styled-components": "4.0.1",
         "awesome-typescript-loader": "^5.2.1",
         "babel-loader": "^7.1.5",
-        "babel-preset-env": "^1.7.0",
-        "babel-plugin-transform-runtime": "^6.23.0",
         "babel-plugin-transform-es3-member-expression-literals": "^6.22.0",
         "babel-plugin-transform-es3-property-literals": "^6.22.0",
         "babel-plugin-transform-object-assign": "^6.22.0",
+        "babel-plugin-transform-runtime": "^6.23.0",
+        "babel-preset-env": "^1.7.0",
         "dotenv-cli": "^1.4.0",
         "enzyme": "^3.6.0",
         "enzyme-adapter-react-16": "^1.5.0",
diff --git a/packages/json-schemas/CHANGELOG.json b/packages/json-schemas/CHANGELOG.json
index 66de84299..869f8bdf1 100644
--- a/packages/json-schemas/CHANGELOG.json
+++ b/packages/json-schemas/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/json-schemas/CHANGELOG.md b/packages/json-schemas/CHANGELOG.md
index 4e562d9e8..ea94cbaf4 100644
--- a/packages/json-schemas/CHANGELOG.md
+++ b/packages/json-schemas/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v2.1.7 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/json-schemas/package.json b/packages/json-schemas/package.json
index cd515a747..a1966897f 100644
--- a/packages/json-schemas/package.json
+++ b/packages/json-schemas/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/json-schemas",
-    "version": "2.1.7",
+    "version": "3.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -39,14 +39,14 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/json-schemas/README.md",
     "dependencies": {
-        "@0x/typescript-typings": "^3.0.8",
+        "@0x/typescript-typings": "^4.0.0",
         "@types/node": "*",
         "jsonschema": "^1.2.0",
         "lodash.values": "^4.3.0"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
-        "@0x/utils": "^3.0.1",
+        "@0x/tslint-config": "^3.0.0",
+        "@0x/utils": "^4.0.1",
         "@types/lodash.foreach": "^4.5.3",
         "@types/lodash.values": "^4.3.3",
         "@types/mocha": "^2.2.42",
diff --git a/packages/metacoin/package.json b/packages/metacoin/package.json
index d08946fef..63b137df0 100644
--- a/packages/metacoin/package.json
+++ b/packages/metacoin/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/metacoin",
-    "version": "0.0.36",
+    "version": "0.0.37",
     "engines": {
         "node": ">=6.12"
     },
@@ -29,28 +29,28 @@
     "author": "",
     "license": "Apache-2.0",
     "dependencies": {
-        "@0x/abi-gen": "^1.0.22",
-        "@0x/abi-gen-templates": "^1.0.2",
-        "@0x/base-contract": "^3.0.13",
-        "@0x/sol-coverage": "^1.0.3",
-        "@0x/sol-profiler": "^1.0.3",
-        "@0x/sol-trace": "^1.0.3",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/tslint-config": "^2.0.2",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/abi-gen": "^2.0.0",
+        "@0x/abi-gen-templates": "^2.0.0",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/sol-coverage": "^2.0.0",
+        "@0x/sol-profiler": "^2.0.1",
+        "@0x/sol-trace": "^2.0.1",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "@types/mocha": "^2.2.42",
         "copyfiles": "^2.0.0",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethers": "~4.0.4",
         "lodash": "^4.17.11",
         "run-s": "^0.0.0"
     },
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/sol-compiler": "^2.0.2",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/sol-compiler": "^3.0.0",
         "chai": "^4.0.1",
         "chai-as-promised": "^7.1.0",
         "chai-bignumber": "^3.0.0",
diff --git a/packages/migrations/CHANGELOG.json b/packages/migrations/CHANGELOG.json
index ffda41e10..f651e9434 100644
--- a/packages/migrations/CHANGELOG.json
+++ b/packages/migrations/CHANGELOG.json
@@ -18,7 +18,8 @@
                 "note": "Convert `from` to lower case when passed in via cli",
                 "pr": 1533
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "version": "2.4.0",
diff --git a/packages/migrations/CHANGELOG.md b/packages/migrations/CHANGELOG.md
index 6c9a84018..40add5c2c 100644
--- a/packages/migrations/CHANGELOG.md
+++ b/packages/migrations/CHANGELOG.md
@@ -5,6 +5,13 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+    * Removed `owner` in Migrations (#1533)
+    * `txDefaults` parameter now requires the `from` field (#1533)
+    * Convert `from` to lower case when passed in via cli (#1533)
+
 ## v2.4.0 - _January 15, 2019_
 
     * Added migrations for `MultiAssetProxy` contract (#1503)
diff --git a/packages/migrations/package.json b/packages/migrations/package.json
index 4096aa913..6ad48b3a6 100644
--- a/packages/migrations/package.json
+++ b/packages/migrations/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/migrations",
-    "version": "2.4.0",
+    "version": "3.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -35,9 +35,9 @@
     },
     "license": "Apache-2.0",
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/tslint-config": "^2.0.2",
-        "@0x/types": "^1.5.2",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/tslint-config": "^3.0.0",
+        "@0x/types": "^2.0.0",
         "@types/yargs": "^11.0.0",
         "make-promises-safe": "^1.1.0",
         "npm-run-all": "^4.1.2",
@@ -48,18 +48,18 @@
         "yargs": "^10.0.3"
     },
     "dependencies": {
-        "@0x/abi-gen-wrappers": "^2.2.0",
-        "@0x/base-contract": "^3.0.13",
-        "@0x/contract-addresses": "^2.2.0",
+        "@0x/abi-gen-wrappers": "^3.0.0",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/contract-addresses": "^2.2.1",
         "@0x/contract-artifacts": "^1.3.0",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "@ledgerhq/hw-app-eth": "^4.3.0",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethers": "~4.0.4",
         "lodash": "^4.17.11"
     },
diff --git a/packages/monorepo-scripts/package.json b/packages/monorepo-scripts/package.json
index b1e1f3ca1..dbe2d081c 100644
--- a/packages/monorepo-scripts/package.json
+++ b/packages/monorepo-scripts/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@0x/monorepo-scripts",
-    "version": "1.0.19",
+    "version": "1.0.20",
     "engines": {
         "node": ">=6.12"
     },
@@ -47,7 +47,7 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/utils": "^3.0.1",
+        "@0x/utils": "^4.0.1",
         "@lerna/batch-packages": "^3.0.0-beta.18",
         "@types/depcheck": "^0.6.0",
         "async-child-process": "^1.1.1",
diff --git a/packages/order-utils/CHANGELOG.json b/packages/order-utils/CHANGELOG.json
index 8afae057c..8fa0b358c 100644
--- a/packages/order-utils/CHANGELOG.json
+++ b/packages/order-utils/CHANGELOG.json
@@ -10,7 +10,8 @@
                 "note": "Fix preSigned isSignatureValidAsync check",
                 "pr": 1580
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/order-utils/CHANGELOG.md b/packages/order-utils/CHANGELOG.md
index c82458f2e..dd5a7c58f 100644
--- a/packages/order-utils/CHANGELOG.md
+++ b/packages/order-utils/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v3.1.2 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/order-utils/package.json b/packages/order-utils/package.json
index cca0182a0..3f14cea5f 100644
--- a/packages/order-utils/package.json
+++ b/packages/order-utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/order-utils",
-    "version": "3.1.2",
+    "version": "4.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -35,8 +35,8 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/order-utils/README.md",
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/bn.js": "^4.11.0",
         "@types/lodash": "4.14.104",
         "chai": "^4.0.1",
@@ -53,19 +53,19 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/abi-gen-wrappers": "^2.2.0",
-        "@0x/assert": "^1.0.23",
-        "@0x/base-contract": "^3.0.13",
+        "@0x/abi-gen-wrappers": "^3.0.0",
+        "@0x/assert": "^2.0.0",
+        "@0x/base-contract": "^4.0.0",
         "@0x/contract-artifacts": "^1.3.0",
         "@0x/contract-addresses": "^2.2.0",
-        "@0x/json-schemas": "^2.1.7",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/json-schemas": "^3.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "@types/node": "*",
         "bn.js": "^4.11.8",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-abi": "0.6.5",
         "ethereumjs-util": "^5.1.1",
         "ethers": "~4.0.4",
diff --git a/packages/order-watcher/CHANGELOG.json b/packages/order-watcher/CHANGELOG.json
index 585bb48e6..f6d9a6aad 100644
--- a/packages/order-watcher/CHANGELOG.json
+++ b/packages/order-watcher/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547747677,
diff --git a/packages/order-watcher/CHANGELOG.md b/packages/order-watcher/CHANGELOG.md
index df065866c..55b344b6a 100644
--- a/packages/order-watcher/CHANGELOG.md
+++ b/packages/order-watcher/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v2.4.3 - _January 17, 2019_
 
     * Dependencies updated
diff --git a/packages/order-watcher/package.json b/packages/order-watcher/package.json
index dad36b04f..472b59bbd 100644
--- a/packages/order-watcher/package.json
+++ b/packages/order-watcher/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/order-watcher",
-    "version": "2.4.3",
+    "version": "3.0.0",
     "description": "An order watcher daemon that watches for order validity",
     "keywords": [
         "0x",
@@ -38,10 +38,10 @@
         "node": ">=6.0.0"
     },
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/migrations": "^2.4.0",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/migrations": "^3.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/bintrees": "^1.0.2",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
@@ -63,21 +63,21 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/abi-gen-wrappers": "^2.2.0",
-        "@0x/assert": "^1.0.23",
-        "@0x/base-contract": "^3.0.13",
-        "@0x/contract-addresses": "^2.2.0",
+        "@0x/abi-gen-wrappers": "^3.0.0",
+        "@0x/assert": "^2.0.0",
+        "@0x/base-contract": "^4.0.0",
+        "@0x/contract-addresses": "^2.2.1",
         "@0x/contract-artifacts": "^1.3.0",
-        "@0x/contract-wrappers": "^5.0.1",
-        "@0x/fill-scenarios": "^1.1.2",
-        "@0x/json-schemas": "^2.1.7",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/contract-wrappers": "^6.0.1",
+        "@0x/fill-scenarios": "^2.0.0",
+        "@0x/json-schemas": "^3.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "bintrees": "^1.0.2",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-blockstream": "6.0.0",
         "ethers": "~4.0.4",
         "lodash": "^4.17.11",
diff --git a/packages/pipeline/package.json b/packages/pipeline/package.json
index a8b89c7b5..e1292c0df 100644
--- a/packages/pipeline/package.json
+++ b/packages/pipeline/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/pipeline",
-    "version": "1.0.5",
+    "version": "1.0.6",
     "private": true,
     "description": "Data pipeline for offline analysis",
     "scripts": {
@@ -27,7 +27,7 @@
     },
     "license": "Apache-2.0",
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/axios": "^0.14.0",
         "@types/ramda": "^0.25.38",
         "chai": "^4.0.1",
@@ -39,23 +39,23 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/connect": "^3.0.13",
-        "@0x/contract-addresses": "^2.2.0",
+        "@0x/connect": "^4.0.0",
+        "@0x/contract-addresses": "^2.2.1",
         "@0x/contract-artifacts": "^1.3.0",
-        "@0x/contract-wrappers": "^5.0.1",
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/types": "^1.5.2",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/contract-wrappers": "^6.0.1",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "@types/dockerode": "^2.5.9",
         "@types/p-limit": "^2.0.0",
         "async-parallel": "^1.2.3",
         "axios": "^0.18.0",
         "bottleneck": "^2.13.2",
         "dockerode": "^2.5.7",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "pg": "^7.5.0",
         "prettier": "^1.15.3",
         "ramda": "^0.25.0",
diff --git a/packages/react-docs/CHANGELOG.json b/packages/react-docs/CHANGELOG.json
index 8b418fc11..91c60fa9a 100644
--- a/packages/react-docs/CHANGELOG.json
+++ b/packages/react-docs/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/react-docs/CHANGELOG.md b/packages/react-docs/CHANGELOG.md
index 5ec82b5be..4867a663a 100644
--- a/packages/react-docs/CHANGELOG.md
+++ b/packages/react-docs/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.0.25 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/react-docs/package.json b/packages/react-docs/package.json
index dc592f2a0..d9c354e25 100644
--- a/packages/react-docs/package.json
+++ b/packages/react-docs/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/react-docs",
-    "version": "1.0.25",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -24,8 +24,8 @@
         "url": "https://github.com/0xProject/0x-monorepo.git"
     },
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/compare-versions": "^3.0.0",
         "@types/styled-components": "4.0.0",
         "make-promises-safe": "^1.1.0",
@@ -34,9 +34,9 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/react-shared": "^1.1.2",
-        "@0x/types": "^1.5.2",
-        "@0x/utils": "^3.0.1",
+        "@0x/react-shared": "^2.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/utils": "^4.0.1",
         "@types/lodash": "4.14.104",
         "@types/material-ui": "^0.20.0",
         "@types/node": "*",
diff --git a/packages/react-shared/CHANGELOG.json b/packages/react-shared/CHANGELOG.json
index 99a8779ac..ce5182ca6 100644
--- a/packages/react-shared/CHANGELOG.json
+++ b/packages/react-shared/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/react-shared/CHANGELOG.md b/packages/react-shared/CHANGELOG.md
index e1a5df403..a5a09a9e0 100644
--- a/packages/react-shared/CHANGELOG.md
+++ b/packages/react-shared/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.1.2 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/react-shared/package.json b/packages/react-shared/package.json
index b527e51a3..72d384382 100644
--- a/packages/react-shared/package.json
+++ b/packages/react-shared/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/react-shared",
-    "version": "1.1.2",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -25,15 +25,15 @@
         "url": "https://github.com/0xProject/0x-monorepo.git"
     },
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "make-promises-safe": "^1.1.0",
         "shx": "^0.2.2",
-        "tslint": "5.11.0", 
+        "tslint": "5.11.0",
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/types": "^1.5.2",
+        "@0x/types": "^2.0.0",
         "@material-ui/core": "^3.0.1",
         "@types/is-mobile": "0.3.0",
         "@types/lodash": "4.14.104",
diff --git a/packages/sol-compiler/CHANGELOG.json b/packages/sol-compiler/CHANGELOG.json
index 672939a4a..021804ffa 100644
--- a/packages/sol-compiler/CHANGELOG.json
+++ b/packages/sol-compiler/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/sol-compiler/CHANGELOG.md b/packages/sol-compiler/CHANGELOG.md
index dfcec1fa7..03a2b5b87 100644
--- a/packages/sol-compiler/CHANGELOG.md
+++ b/packages/sol-compiler/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v2.0.2 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/sol-compiler/package.json b/packages/sol-compiler/package.json
index eab0e5a2b..c16c6eb4a 100644
--- a/packages/sol-compiler/package.json
+++ b/packages/sol-compiler/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/sol-compiler",
-    "version": "2.0.2",
+    "version": "3.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -42,8 +42,8 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/sol-compiler/README.md",
     "devDependencies": {
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/tslint-config": "^3.0.0",
         "@types/chokidar": "^1.7.5",
         "@types/mkdirp": "^0.5.2",
         "@types/pluralize": "^0.0.29",
@@ -67,17 +67,17 @@
         "zeppelin-solidity": "1.8.0"
     },
     "dependencies": {
-        "@0x/assert": "^1.0.23",
-        "@0x/json-schemas": "^2.1.7",
-        "@0x/sol-resolver": "^1.2.3",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/assert": "^2.0.0",
+        "@0x/json-schemas": "^3.0.0",
+        "@0x/sol-resolver": "^2.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "@types/yargs": "^11.0.0",
         "chalk": "^2.3.0",
         "chokidar": "^2.0.4",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-util": "^5.1.1",
         "lodash": "^4.17.11",
         "mkdirp": "^0.5.1",
diff --git a/packages/sol-coverage/CHANGELOG.json b/packages/sol-coverage/CHANGELOG.json
index 550ca2feb..2a33fe578 100644
--- a/packages/sol-coverage/CHANGELOG.json
+++ b/packages/sol-coverage/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547747677,
diff --git a/packages/sol-coverage/CHANGELOG.md b/packages/sol-coverage/CHANGELOG.md
index 18c1719bf..0c1916717 100644
--- a/packages/sol-coverage/CHANGELOG.md
+++ b/packages/sol-coverage/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.0.3 - _January 17, 2019_
 
     * Dependencies updated
diff --git a/packages/sol-coverage/package.json b/packages/sol-coverage/package.json
index 259c20256..8f0681639 100644
--- a/packages/sol-coverage/package.json
+++ b/packages/sol-coverage/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/sol-coverage",
-    "version": "1.0.3",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -29,14 +29,14 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/sol-coverage/README.md",
     "dependencies": {
-        "@0x/sol-tracing-utils": "^4.0.1",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/typescript-typings": "^3.0.8",
-        "ethereum-types": "^1.1.6",
+        "@0x/sol-tracing-utils": "^6.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "lodash": "^4.17.11"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/node": "*",
         "npm-run-all": "^4.1.2",
         "nyc": "^11.0.1",
diff --git a/packages/sol-doc/CHANGELOG.json b/packages/sol-doc/CHANGELOG.json
index 662915faf..2ffa21f26 100644
--- a/packages/sol-doc/CHANGELOG.json
+++ b/packages/sol-doc/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/sol-doc/CHANGELOG.md b/packages/sol-doc/CHANGELOG.md
index 1a60b5f89..6eff7d01a 100644
--- a/packages/sol-doc/CHANGELOG.md
+++ b/packages/sol-doc/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.0.14 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/sol-doc/package.json b/packages/sol-doc/package.json
index 8dfe236e0..2004b5bd2 100644
--- a/packages/sol-doc/package.json
+++ b/packages/sol-doc/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/sol-doc",
-    "version": "1.0.14",
+    "version": "2.0.0",
     "description": "Solidity documentation generator",
     "main": "lib/src/index.js",
     "types": "lib/src/index.d.js",
@@ -25,16 +25,16 @@
     "author": "F. Eugene Aumson",
     "license": "Apache-2.0",
     "dependencies": {
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/types": "^1.5.2",
-        "@0x/utils": "^3.0.1",
-        "ethereum-types": "^1.1.6",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/utils": "^4.0.1",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-util": "^5.1.1",
         "lodash": "^4.17.11",
         "yargs": "^10.0.3"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "chai": "^4.0.1",
         "chai-as-promised": "^7.1.0",
         "chai-bignumber": "^3.0.0",
diff --git a/packages/sol-profiler/CHANGELOG.json b/packages/sol-profiler/CHANGELOG.json
index fc928b516..54375890d 100644
--- a/packages/sol-profiler/CHANGELOG.json
+++ b/packages/sol-profiler/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Fix a bug when some parts of the profiling report were missing because of the coverage ignore lines",
                 "pr": 1535
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "version": "2.0.0",
diff --git a/packages/sol-profiler/CHANGELOG.md b/packages/sol-profiler/CHANGELOG.md
index 18c1719bf..32a2bac0a 100644
--- a/packages/sol-profiler/CHANGELOG.md
+++ b/packages/sol-profiler/CHANGELOG.md
@@ -5,6 +5,14 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.1 - _February 5, 2019_
+
+    * Fix a bug when some parts of the profiling report were missing because of the coverage ignore lines (#1535)
+
+## v2.0.0 - _Invalid date_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.0.3 - _January 17, 2019_
 
     * Dependencies updated
diff --git a/packages/sol-profiler/package.json b/packages/sol-profiler/package.json
index 57821795d..06ca7a708 100644
--- a/packages/sol-profiler/package.json
+++ b/packages/sol-profiler/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/sol-profiler",
-    "version": "1.0.3",
+    "version": "2.0.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -29,14 +29,14 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/sol-profiler/README.md",
     "dependencies": {
-        "@0x/sol-tracing-utils": "^4.0.1",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/typescript-typings": "^3.0.8",
-        "ethereum-types": "^1.1.6",
+        "@0x/sol-tracing-utils": "^6.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "ethereum-types": "^2.0.0",
         "lodash": "^4.17.11"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/node": "*",
         "npm-run-all": "^4.1.2",
         "shx": "^0.2.2",
diff --git a/packages/sol-resolver/CHANGELOG.json b/packages/sol-resolver/CHANGELOG.json
index f5a005fd4..efca37e90 100644
--- a/packages/sol-resolver/CHANGELOG.json
+++ b/packages/sol-resolver/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/sol-resolver/CHANGELOG.md b/packages/sol-resolver/CHANGELOG.md
index a48561cc3..7e5fd05a8 100644
--- a/packages/sol-resolver/CHANGELOG.md
+++ b/packages/sol-resolver/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.2.3 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/sol-resolver/package.json b/packages/sol-resolver/package.json
index a59ef9dca..3f0fe3be4 100644
--- a/packages/sol-resolver/package.json
+++ b/packages/sol-resolver/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/sol-resolver",
-    "version": "1.2.3",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -23,15 +23,15 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/resolver/README.md",
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "make-promises-safe": "^1.1.0",
         "shx": "^0.2.2",
         "tslint": "5.11.0",
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
         "lodash": "^4.17.11"
     },
     "publishConfig": {
diff --git a/packages/sol-trace/CHANGELOG.json b/packages/sol-trace/CHANGELOG.json
index b633b3d21..3897b1249 100644
--- a/packages/sol-trace/CHANGELOG.json
+++ b/packages/sol-trace/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Improve error messages when unable to find matching bytecode",
                 "pr": 1558
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "version": "2.0.0",
diff --git a/packages/sol-trace/CHANGELOG.md b/packages/sol-trace/CHANGELOG.md
index 18c1719bf..d828b4744 100644
--- a/packages/sol-trace/CHANGELOG.md
+++ b/packages/sol-trace/CHANGELOG.md
@@ -5,6 +5,14 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.1 - _February 5, 2019_
+
+    * Improve error messages when unable to find matching bytecode (#1558)
+
+## v2.0.0 - _Invalid date_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.0.3 - _January 17, 2019_
 
     * Dependencies updated
diff --git a/packages/sol-trace/package.json b/packages/sol-trace/package.json
index ba302daf7..a1439de7e 100644
--- a/packages/sol-trace/package.json
+++ b/packages/sol-trace/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/sol-trace",
-    "version": "1.0.3",
+    "version": "2.0.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -29,17 +29,17 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/sol-trace/README.md",
     "dependencies": {
-        "@0x/sol-tracing-utils": "^4.0.1",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/typescript-typings": "^3.0.8",
+        "@0x/sol-tracing-utils": "^6.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/typescript-typings": "^4.0.0",
         "chalk": "^2.3.0",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-util": "^5.1.1",
         "lodash": "^4.17.11",
         "loglevel": "^1.6.1"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/loglevel": "^1.5.3",
         "@types/node": "*",
         "npm-run-all": "^4.1.2",
diff --git a/packages/sol-tracing-utils/CHANGELOG.json b/packages/sol-tracing-utils/CHANGELOG.json
index 89a5b6876..6b5db6c8f 100644
--- a/packages/sol-tracing-utils/CHANGELOG.json
+++ b/packages/sol-tracing-utils/CHANGELOG.json
@@ -25,8 +25,17 @@
             {
                 "note": "Improve error messages when unable to find matching bytecode",
                 "pr": 1558
+            },
+            {
+                "note": "Fix default gas limit for fake txs in `TraceCollectionSubprovider`",
+                "pr": 1583
+            },
+            {
+                "note": "Fix a big when we were not intercepting `eth_sendRawTransaction`",
+                "pr": 1584
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "version": "5.0.0",
diff --git a/packages/sol-tracing-utils/CHANGELOG.md b/packages/sol-tracing-utils/CHANGELOG.md
index 9bffb2a6d..74d0ca61f 100644
--- a/packages/sol-tracing-utils/CHANGELOG.md
+++ b/packages/sol-tracing-utils/CHANGELOG.md
@@ -5,6 +5,21 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v6.0.0 - _February 5, 2019_
+
+    * `SolCompilerArtifactAdapter` now uses `SolResolver` under the hood which allows to resolve `NPM` dependencies properly (#1535)
+    * Cache the `utils.getContractDataIfExists` leading to faster execution (#1535)
+    * `SolCompilerArtifactAdapter` now doesn't return the `ContractData` for interfaces (#1535)
+    * Print resasonable error message on bytecode collision (#1535)
+    * Fix the bug in `ASTVisitor` causing the 'cannot read property `range` of `null`' error (#1557)
+    * Improve error messages when unable to find matching bytecode (#1558)
+    * Fix default gas limit for fake txs in `TraceCollectionSubprovider` (#1583)
+    * Fix a big when we were not intercepting `eth_sendRawTransaction` (#1584)
+
+## v5.0.0 - _Invalid date_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v4.0.1 - _January 17, 2019_
 
     * Fix a bug where a custom `Geth` tracer didn't return stack entries for `DELEGATECALL` (#1521)
diff --git a/packages/sol-tracing-utils/package.json b/packages/sol-tracing-utils/package.json
index df800976c..082894b2c 100644
--- a/packages/sol-tracing-utils/package.json
+++ b/packages/sol-tracing-utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/sol-tracing-utils",
-    "version": "4.0.1",
+    "version": "6.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -42,18 +42,19 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/sol-tracing-utils/README.md",
     "dependencies": {
-        "@0x/dev-utils": "^1.0.24",
-        "@0x/sol-compiler": "^2.0.2",
-        "@0x/sol-resolver": "^1.2.3",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/dev-utils": "^2.0.0",
+        "@0x/sol-compiler": "^3.0.0",
+        "@0x/sol-resolver": "^2.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "@types/solidity-parser-antlr": "^0.2.0",
-        "ethereum-types": "^1.1.6",
+        "chalk": "^2.3.0",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-util": "^5.1.1",
+        "ethers": "~4.0.4",
         "glob": "^7.1.2",
-        "chalk": "^2.3.0",
         "istanbul": "^0.4.5",
         "lodash": "^4.17.11",
         "loglevel": "^1.6.1",
@@ -63,7 +64,7 @@
         "solidity-parser-antlr": "^0.2.12"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/istanbul": "^0.4.30",
         "@types/loglevel": "^1.5.3",
         "@types/mkdirp": "^0.5.2",
diff --git a/packages/sol-tracing-utils/src/trace_collection_subprovider.ts b/packages/sol-tracing-utils/src/trace_collection_subprovider.ts
index 8279bda54..7fde1f9b8 100644
--- a/packages/sol-tracing-utils/src/trace_collection_subprovider.ts
+++ b/packages/sol-tracing-utils/src/trace_collection_subprovider.ts
@@ -3,6 +3,7 @@ import { Callback, ErrorCallback, NextCallback, Subprovider } from '@0x/subprovi
 import { logUtils } from '@0x/utils';
 import { CallDataRPC, marshaller, Web3Wrapper } from '@0x/web3-wrapper';
 import { JSONRPCRequestPayload, Provider, TxData } from 'ethereum-types';
+import { utils } from 'ethers';
 import * as _ from 'lodash';
 import { Lock } from 'semaphore-async-await';
 
@@ -96,6 +97,18 @@ export abstract class TraceCollectionSubprovider extends Subprovider {
                     }
                     return;
 
+                case 'eth_sendRawTransaction':
+                    if (!this._config.shouldCollectTransactionTraces) {
+                        next();
+                    } else {
+                        const txData = utils.parseTransaction(payload.params[0]);
+                        if (txData.to === null) {
+                            txData.to = constants.NEW_CONTRACT;
+                        }
+                        next(logAsyncErrors(this._onTransactionSentAsync.bind(this, txData)));
+                    }
+                    return;
+
                 case 'eth_call':
                     if (!this._config.shouldCollectCallTraces) {
                         next();
@@ -186,7 +199,7 @@ export abstract class TraceCollectionSubprovider extends Subprovider {
         const blockchainLifecycle = new BlockchainLifecycle(this._web3Wrapper);
         await blockchainLifecycle.startAsync();
         const fakeTxData = {
-            gas: BLOCK_GAS_LIMIT.toString(16), // tslint:disable-line:custom-no-magic-numbers
+            gas: `0x${BLOCK_GAS_LIMIT.toString(16)}`, // tslint:disable-line:custom-no-magic-numbers
             isFakeTransaction: true, // This transaction (and only it) is allowed to come through when the lock is locked
             ...callData,
             from: callData.from || this._defaultFromAddress,
diff --git a/packages/sra-spec/CHANGELOG.json b/packages/sra-spec/CHANGELOG.json
index e22a3b0e4..0f0d50701 100644
--- a/packages/sra-spec/CHANGELOG.json
+++ b/packages/sra-spec/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/sra-spec/CHANGELOG.md b/packages/sra-spec/CHANGELOG.md
index 5fe40ccb4..b971fb3e6 100644
--- a/packages/sra-spec/CHANGELOG.md
+++ b/packages/sra-spec/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.0.16 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/sra-spec/package.json b/packages/sra-spec/package.json
index 1afe3d945..34cfb0205 100644
--- a/packages/sra-spec/package.json
+++ b/packages/sra-spec/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/sra-spec",
-    "version": "1.0.16",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -35,11 +35,11 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/sra-spec/README.md",
     "dependencies": {
-        "@0x/json-schemas": "^2.1.7",
+        "@0x/json-schemas": "^3.0.0",
         "@loopback/openapi-v3-types": "^0.8.2"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/mocha": "^2.2.42",
         "@types/node": "*",
         "chai": "^4.0.1",
diff --git a/packages/subproviders/CHANGELOG.json b/packages/subproviders/CHANGELOG.json
index ffb9740cd..647d7c1d9 100644
--- a/packages/subproviders/CHANGELOG.json
+++ b/packages/subproviders/CHANGELOG.json
@@ -10,7 +10,8 @@
                 "note": "Update ganache-core to v2.3.3",
                 "pr": 1518
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/subproviders/CHANGELOG.md b/packages/subproviders/CHANGELOG.md
index 16457ee2b..a3e0969be 100644
--- a/packages/subproviders/CHANGELOG.md
+++ b/packages/subproviders/CHANGELOG.md
@@ -5,6 +5,11 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+    * Update ganache-core to v2.3.3 (#1518)
+
 ## v2.1.11 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/subproviders/package.json b/packages/subproviders/package.json
index 4a7e36075..ffba02051 100644
--- a/packages/subproviders/package.json
+++ b/packages/subproviders/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/subproviders",
-    "version": "2.1.11",
+    "version": "3.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -29,11 +29,11 @@
         }
     },
     "dependencies": {
-        "@0x/assert": "^1.0.23",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/assert": "^2.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "@ledgerhq/hw-app-eth": "^4.3.0",
         "@ledgerhq/hw-transport-u2f": "4.24.0",
         "@types/eth-lightwallet": "^3.0.0",
@@ -43,7 +43,7 @@
         "bip39": "^2.5.0",
         "bn.js": "^4.11.8",
         "eth-lightwallet": "^3.0.1",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-tx": "^1.3.5",
         "ethereumjs-util": "^5.1.1",
         "ganache-core": "^2.3.3",
@@ -54,7 +54,7 @@
         "web3-provider-engine": "14.0.6"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/bip39": "^2.4.0",
         "@types/bn.js": "^4.11.0",
         "@types/ethereumjs-tx": "^1.0.0",
diff --git a/packages/testnet-faucets/package.json b/packages/testnet-faucets/package.json
index 609f00b03..dd1faf1b7 100644
--- a/packages/testnet-faucets/package.json
+++ b/packages/testnet-faucets/package.json
@@ -1,7 +1,7 @@
 {
     "private": true,
     "name": "@0x/testnet-faucets",
-    "version": "1.0.64",
+    "version": "1.0.65",
     "engines": {
         "node": ">=6.12"
     },
@@ -18,13 +18,13 @@
     "author": "Fabio Berger",
     "license": "Apache-2.0",
     "dependencies": {
-        "0x.js": "^3.0.3",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "0x.js": "^4.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "body-parser": "^1.17.1",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-tx": "^1.3.5",
         "ethereumjs-util": "^5.1.1",
         "express": "^4.15.2",
@@ -32,7 +32,7 @@
         "rollbar": "^2.5.0"
     },
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/body-parser": "^1.16.1",
         "@types/express": "^4.0.35",
         "@types/lodash": "4.14.104",
diff --git a/packages/tslint-config/CHANGELOG.json b/packages/tslint-config/CHANGELOG.json
index 34ea6aa6b..884a5b46f 100644
--- a/packages/tslint-config/CHANGELOG.json
+++ b/packages/tslint-config/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/tslint-config/CHANGELOG.md b/packages/tslint-config/CHANGELOG.md
index 37d287c10..5719f28a6 100644
--- a/packages/tslint-config/CHANGELOG.md
+++ b/packages/tslint-config/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v3.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v2.0.2 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/tslint-config/package.json b/packages/tslint-config/package.json
index 6f738c8d8..b5846a5aa 100644
--- a/packages/tslint-config/package.json
+++ b/packages/tslint-config/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/tslint-config",
-    "version": "2.0.2",
+    "version": "3.0.0",
     "engines": {
         "node": ">=6.12"
     },
diff --git a/packages/types/CHANGELOG.json b/packages/types/CHANGELOG.json
index 7a6d205ee..b9ddb5acf 100644
--- a/packages/types/CHANGELOG.json
+++ b/packages/types/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/types/CHANGELOG.md b/packages/types/CHANGELOG.md
index ac27d9096..a4f185dca 100644
--- a/packages/types/CHANGELOG.md
+++ b/packages/types/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v2.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v1.5.2 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/types/package.json b/packages/types/package.json
index 440f05423..89d1bbd1c 100644
--- a/packages/types/package.json
+++ b/packages/types/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/types",
-    "version": "1.5.2",
+    "version": "2.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -23,7 +23,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/types/README.md",
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "make-promises-safe": "^1.1.0",
         "shx": "^0.2.2",
         "tslint": "5.11.0",
@@ -32,7 +32,7 @@
     "dependencies": {
         "@types/node": "*",
         "bignumber.js": "~8.0.2",
-        "ethereum-types": "^1.1.6"
+        "ethereum-types": "^2.0.0"
     },
     "publishConfig": {
         "access": "public"
diff --git a/packages/typescript-typings/CHANGELOG.json b/packages/typescript-typings/CHANGELOG.json
index e3ae60231..708911720 100644
--- a/packages/typescript-typings/CHANGELOG.json
+++ b/packages/typescript-typings/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "Upgrade the bignumber.js to v8.0.2",
                 "pr": 1517
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/typescript-typings/CHANGELOG.md b/packages/typescript-typings/CHANGELOG.md
index 8f23cce14..a879b1cf5 100644
--- a/packages/typescript-typings/CHANGELOG.md
+++ b/packages/typescript-typings/CHANGELOG.md
@@ -5,6 +5,10 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v3.0.8 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/typescript-typings/package.json b/packages/typescript-typings/package.json
index 01cab8c63..f135e6f91 100644
--- a/packages/typescript-typings/package.json
+++ b/packages/typescript-typings/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/typescript-typings",
-    "version": "3.0.8",
+    "version": "4.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -27,7 +27,7 @@
         "@types/bn.js": "^4.11.0",
         "@types/react": "*",
         "bignumber.js": "~8.0.2",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "popper.js": "1.14.3"
     },
     "devDependencies": {
diff --git a/packages/utils/CHANGELOG.json b/packages/utils/CHANGELOG.json
index df415040b..8671729d3 100644
--- a/packages/utils/CHANGELOG.json
+++ b/packages/utils/CHANGELOG.json
@@ -6,7 +6,8 @@
                 "note": "ABI Decode NULL as False",
                 "pr": 1582
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "version": "4.0.0",
diff --git a/packages/utils/CHANGELOG.md b/packages/utils/CHANGELOG.md
index ed3f00158..f76166f94 100644
--- a/packages/utils/CHANGELOG.md
+++ b/packages/utils/CHANGELOG.md
@@ -5,6 +5,14 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.0.1 - _February 5, 2019_
+
+    * ABI Decode NULL as False (#1582)
+
+## v4.0.0 - _Invalid date_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+
 ## v3.0.1 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/utils/package.json b/packages/utils/package.json
index e6364c77a..8431b98c1 100644
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/utils",
-    "version": "3.0.1",
+    "version": "4.0.1",
     "engines": {
         "node": ">=6.12"
     },
@@ -28,7 +28,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/utils/README.md",
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/detect-node": "2.0.0",
         "@types/lodash": "4.14.104",
         "@types/mocha": "^2.2.42",
@@ -44,14 +44,14 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
         "@types/node": "*",
         "abortcontroller-polyfill": "^1.1.9",
         "bignumber.js": "~8.0.2",
         "chalk": "^2.3.0",
         "detect-node": "2.0.3",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-util": "^5.1.1",
         "ethers": "~4.0.4",
         "isomorphic-fetch": "2.2.1",
diff --git a/packages/web3-wrapper/CHANGELOG.json b/packages/web3-wrapper/CHANGELOG.json
index 4a639f662..8dd98a4ae 100644
--- a/packages/web3-wrapper/CHANGELOG.json
+++ b/packages/web3-wrapper/CHANGELOG.json
@@ -10,7 +10,8 @@
                 "note": "Update ganache-core to v2.3.3",
                 "pr": 1518
             }
-        ]
+        ],
+        "timestamp": 1549373905
     },
     {
         "timestamp": 1547561734,
diff --git a/packages/web3-wrapper/CHANGELOG.md b/packages/web3-wrapper/CHANGELOG.md
index 5850c5474..255b37ade 100644
--- a/packages/web3-wrapper/CHANGELOG.md
+++ b/packages/web3-wrapper/CHANGELOG.md
@@ -5,6 +5,11 @@ Edit the package's CHANGELOG.json file only.
 
 CHANGELOG
 
+## v4.0.0 - _February 5, 2019_
+
+    * Upgrade the bignumber.js to v8.0.2 (#1517)
+    * Update ganache-core to v2.3.3 (#1518)
+
 ## v3.2.4 - _January 15, 2019_
 
     * Dependencies updated
diff --git a/packages/web3-wrapper/package.json b/packages/web3-wrapper/package.json
index c31226499..eab2e6bce 100644
--- a/packages/web3-wrapper/package.json
+++ b/packages/web3-wrapper/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/web3-wrapper",
-    "version": "3.2.4",
+    "version": "4.0.0",
     "engines": {
         "node": ">=6.12"
     },
@@ -36,7 +36,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/web3-wrapper/README.md",
     "devDependencies": {
-        "@0x/tslint-config": "^2.0.2",
+        "@0x/tslint-config": "^3.0.0",
         "@types/ganache-core": "^2.1.2",
         "@types/lodash": "4.14.104",
         "chai": "^4.0.1",
@@ -54,11 +54,11 @@
         "typescript": "3.0.1"
     },
     "dependencies": {
-        "@0x/assert": "^1.0.23",
-        "@0x/json-schemas": "^2.1.7",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "ethereum-types": "^1.1.6",
+        "@0x/assert": "^2.0.0",
+        "@0x/json-schemas": "^3.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-util": "^5.1.1",
         "ethers": "~4.0.4",
         "lodash": "^4.17.11"
diff --git a/packages/website/package.json b/packages/website/package.json
index 7ce752622..651b0e118 100644
--- a/packages/website/package.json
+++ b/packages/website/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@0x/website",
-    "version": "0.0.67",
+    "version": "0.0.68",
     "engines": {
         "node": ">=6.12"
     },
@@ -20,18 +20,18 @@
     "author": "Fabio Berger",
     "license": "Apache-2.0",
     "dependencies": {
-        "@0x/asset-buyer": "^4.0.2",
-        "@0x/contract-addresses": "^2.2.0",
-        "@0x/contract-wrappers": "^5.0.1",
-        "@0x/json-schemas": "^2.1.7",
-        "@0x/order-utils": "^3.1.2",
-        "@0x/react-docs": "^1.0.25",
-        "@0x/react-shared": "^1.1.2",
-        "@0x/subproviders": "^2.1.11",
-        "@0x/types": "^1.5.2",
-        "@0x/typescript-typings": "^3.0.8",
-        "@0x/utils": "^3.0.1",
-        "@0x/web3-wrapper": "^3.2.4",
+        "@0x/asset-buyer": "^5.0.0",
+        "@0x/contract-addresses": "^2.2.1",
+        "@0x/contract-wrappers": "^6.0.1",
+        "@0x/json-schemas": "^3.0.0",
+        "@0x/order-utils": "^4.0.0",
+        "@0x/react-docs": "^2.0.0",
+        "@0x/react-shared": "^2.0.0",
+        "@0x/subproviders": "^3.0.0",
+        "@0x/types": "^2.0.0",
+        "@0x/typescript-typings": "^4.0.0",
+        "@0x/utils": "^4.0.1",
+        "@0x/web3-wrapper": "^4.0.0",
         "@reach/dialog": "^0.1.2",
         "@types/react-lazyload": "^2.3.1",
         "@types/react-loadable": "^5.4.2",
@@ -42,7 +42,7 @@
         "blockies": "^0.0.2",
         "bowser": "^1.9.3",
         "deep-equal": "^1.0.1",
-        "ethereum-types": "^1.1.6",
+        "ethereum-types": "^2.0.0",
         "ethereumjs-util": "^5.1.1",
         "find-versions": "^2.0.0",
         "jsonschema": "^1.2.0",