diff --git a/packages/react-base16-styling/package.json b/packages/react-base16-styling/package.json
index ac23432b..98756302 100644
--- a/packages/react-base16-styling/package.json
+++ b/packages/react-base16-styling/package.json
@@ -37,7 +37,7 @@
   },
   "dependencies": {
     "@types/base16": "^1.0.2",
-    "@types/lodash.curry": "^4.1.6",
+    "@types/lodash": "^4.14.172",
     "base16": "^1.0.0",
     "color": "^4.0.1",
     "csstype": "^3.0.9",
@@ -50,6 +50,7 @@
     "@babel/preset-typescript": "^7.15.0",
     "@types/color": "^3.0.2",
     "@types/jest": "^27.0.1",
+    "@types/lodash.curry": "^4.1.6",
     "@typescript-eslint/eslint-plugin": "^4.31.1",
     "@typescript-eslint/parser": "^4.31.1",
     "eslint": "^7.32.0",
diff --git a/packages/react-json-tree/.eslintrc.js b/packages/react-json-tree/.eslintrc.js
index a73e5305..aa185dd1 100644
--- a/packages/react-json-tree/.eslintrc.js
+++ b/packages/react-json-tree/.eslintrc.js
@@ -1,14 +1,10 @@
 module.exports = {
-  extends: '../../.eslintrc',
+  extends: '../../eslintrc.ts.react.base.json',
+  parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: ['./tsconfig.json'],
+  },
   overrides: [
-    {
-      files: ['*.ts', '*.tsx'],
-      extends: '../../eslintrc.ts.react.base.json',
-      parserOptions: {
-        tsconfigRootDir: __dirname,
-        project: ['./tsconfig.json'],
-      },
-    },
     {
       files: ['test/**/*.ts', 'test/**/*.tsx'],
       extends: '../../eslintrc.ts.react.jest.base.json',
diff --git a/packages/react-json-tree/examples/.eslintrc.js b/packages/react-json-tree/examples/.eslintrc.js
index b6ad52e0..a9cf623b 100644
--- a/packages/react-json-tree/examples/.eslintrc.js
+++ b/packages/react-json-tree/examples/.eslintrc.js
@@ -1,14 +1,10 @@
 module.exports = {
-  extends: '../../../.eslintrc',
+  extends: '../../../eslintrc.ts.react.base.json',
+  parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: ['./tsconfig.json'],
+  },
   overrides: [
-    {
-      files: ['*.ts', '*.tsx'],
-      extends: '../../../eslintrc.ts.react.base.json',
-      parserOptions: {
-        tsconfigRootDir: __dirname,
-        project: ['./tsconfig.json'],
-      },
-    },
     {
       files: ['webpack.config.ts'],
       extends: '../../../eslintrc.ts.base.json',
diff --git a/packages/react-json-tree/examples/package.json b/packages/react-json-tree/examples/package.json
index 2cffa68b..2121a1bf 100644
--- a/packages/react-json-tree/examples/package.json
+++ b/packages/react-json-tree/examples/package.json
@@ -13,11 +13,8 @@
   },
   "scripts": {
     "start": "webpack serve --open",
-    "stats": "NODE_ENV=production webpack --json > dist/stats.json",
     "lint": "eslint . --ext .ts,.tsx",
-    "lint:fix": "eslint . --ext .ts,.tsx --fix",
-    "type-check": "tsc --noEmit",
-    "type-check:watch": "npm run type-check -- --watch"
+    "type-check": "tsc --noEmit"
   },
   "dependencies": {
     "immutable": "^4.0.0-rc.12",
@@ -27,8 +24,26 @@
     "react-json-tree": "^0.15.0"
   },
   "devDependencies": {
+    "@babel/core": "^7.15.5",
+    "@babel/preset-env": "^7.15.6",
+    "@babel/preset-react": "^7.14.5",
+    "@babel/preset-typescript": "^7.15.0",
+    "@types/node": "^14.17.15",
     "@types/react": "^16.14.8",
-    "@types/react-dom": "^16.9.13"
+    "@types/react-dom": "^16.9.13",
+    "@types/webpack": "^5.28.0",
+    "@types/webpack-dev-server": "^4.1.0",
+    "@typescript-eslint/eslint-plugin": "^4.31.1",
+    "@typescript-eslint/parser": "^4.31.1",
+    "babel-loader": "^8.2.2",
+    "eslint": "^7.32.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-react": "^7.25.1",
+    "ts-node": "^10.2.1",
+    "typescript": "~4.3.5",
+    "webpack": "^5.52.1",
+    "webpack-cli": "^4.8.0",
+    "webpack-dev-server": "^4.2.1"
   },
   "private": true
 }
diff --git a/packages/react-json-tree/package.json b/packages/react-json-tree/package.json
index f72a09af..990f71fe 100644
--- a/packages/react-json-tree/package.json
+++ b/packages/react-json-tree/package.json
@@ -31,7 +31,7 @@
   },
   "scripts": {
     "start": "cd examples && npm start",
-    "build": "npm run build:types && npm run build:js && npm run build:umd && npm run build:umd:min",
+    "build": "yarn run build:types && yarn run build:js && yarn run build:umd && npm run build:umd:min",
     "build:types": "tsc --emitDeclarationOnly",
     "build:js": "babel src --out-dir lib --extensions \".ts,.tsx\" --source-maps inline",
     "build:umd": "rimraf ./umd && webpack --progress --config webpack.config.umd.ts",
@@ -39,11 +39,9 @@
     "clean": "rimraf lib umd",
     "test": "jest",
     "lint": "eslint . --ext .ts,.tsx",
-    "lint:fix": "eslint . --ext .ts,.tsx --fix",
     "type-check": "tsc --noEmit",
-    "type-check:watch": "npm run type-check -- --watch",
-    "preversion": "npm run type-check && npm run lint && npm run test",
-    "prepublishOnly": "npm run clean && npm run build"
+    "prepack": "yarn run clean && yarn run build",
+    "prepublish": "yarn run type-check && yarn run lint && yarn run test"
   },
   "dependencies": {
     "@types/prop-types": "^15.7.4",
@@ -51,10 +49,32 @@
     "react-base16-styling": "^0.8.0"
   },
   "devDependencies": {
+    "@babel/cli": "^7.15.4",
+    "@babel/core": "^7.15.5",
+    "@babel/preset-env": "^7.15.6",
+    "@babel/preset-react": "^7.14.5",
+    "@babel/preset-typescript": "^7.15.0",
+    "@types/jest": "^27.0.1",
+    "@types/node": "^14.17.15",
     "@types/react": "^16.14.15",
     "@types/react-test-renderer": "^16.9.5",
+    "@types/webpack": "^5.28.0",
+    "@typescript-eslint/eslint-plugin": "^4.31.1",
+    "@typescript-eslint/parser": "^4.31.1",
+    "babel-loader": "^8.2.2",
+    "eslint": "^7.32.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-jest": "^24.4.0",
+    "eslint-plugin-react": "^7.25.1",
+    "jest": "^27.2.0",
     "react": "^16.14.0",
-    "react-test-renderer": "^16.14.0"
+    "react-test-renderer": "^16.14.0",
+    "rimraf": "^3.0.2",
+    "ts-jest": "^27.0.5",
+    "ts-node": "^10.2.1",
+    "typescript": "~4.3.5",
+    "webpack": "^5.52.1",
+    "webpack-cli": "^4.8.0"
   },
   "peerDependencies": {
     "@types/react": "^16.3.0 || ^17.0.0",
diff --git a/packages/redux-devtools-chart-monitor/.eslintrc.js b/packages/redux-devtools-chart-monitor/.eslintrc.js
index e98ddf18..555b727d 100644
--- a/packages/redux-devtools-chart-monitor/.eslintrc.js
+++ b/packages/redux-devtools-chart-monitor/.eslintrc.js
@@ -1,13 +1,7 @@
 module.exports = {
-  extends: '../../.eslintrc',
-  overrides: [
-    {
-      files: ['*.ts', '*.tsx'],
-      extends: '../../eslintrc.ts.react.base.json',
-      parserOptions: {
-        tsconfigRootDir: __dirname,
-        project: ['./tsconfig.json'],
-      },
-    },
-  ],
+  extends: '../../eslintrc.ts.react.base.json',
+  parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: ['./tsconfig.json'],
+  },
 };
diff --git a/packages/redux-devtools-chart-monitor/package.json b/packages/redux-devtools-chart-monitor/package.json
index 10abe3a2..d9e4aa07 100644
--- a/packages/redux-devtools-chart-monitor/package.json
+++ b/packages/redux-devtools-chart-monitor/package.json
@@ -26,16 +26,14 @@
     "url": "https://github.com/reduxjs/redux-devtools.git"
   },
   "scripts": {
-    "build": "npm run build:types && npm run build:js",
+    "build": "yarn run build:types && yarn run build:js",
     "build:types": "tsc --emitDeclarationOnly",
     "build:js": "babel src --out-dir lib --extensions \".ts,.tsx\" --source-maps inline",
     "clean": "rimraf lib",
     "lint": "eslint . --ext .ts,.tsx",
-    "lint:fix": "eslint . --ext .ts,.tsx --fix",
     "type-check": "tsc --noEmit",
-    "type-check:watch": "npm run type-check -- --watch",
-    "preversion": "npm run type-check && npm run lint",
-    "prepublishOnly": "npm run clean && npm run build"
+    "prepack": "yarn run clean && yarn run build",
+    "prepublish": "yarn run type-check && yarn run lint"
   },
   "dependencies": {
     "@types/prop-types": "^15.7.4",
@@ -46,10 +44,22 @@
     "redux-devtools-themes": "^1.0.0"
   },
   "devDependencies": {
+    "@babel/cli": "^7.15.4",
+    "@babel/core": "^7.15.5",
+    "@babel/preset-env": "^7.15.6",
+    "@babel/preset-react": "^7.14.5",
+    "@babel/preset-typescript": "^7.15.0",
     "@redux-devtools/core": "^3.9.0",
     "@types/react": "^16.14.15",
+    "@typescript-eslint/eslint-plugin": "^4.31.1",
+    "@typescript-eslint/parser": "^4.31.1",
+    "eslint": "^7.32.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-react": "^7.25.1",
     "react": "^16.14.0",
-    "redux": "^4.1.1"
+    "redux": "^4.1.1",
+    "rimraf": "^3.0.2",
+    "typescript": "~4.3.5"
   },
   "peerDependencies": {
     "@redux-devtools/core": "^3.7.0",
diff --git a/packages/redux-devtools-dock-monitor/.eslintrc.js b/packages/redux-devtools-dock-monitor/.eslintrc.js
index e98ddf18..555b727d 100644
--- a/packages/redux-devtools-dock-monitor/.eslintrc.js
+++ b/packages/redux-devtools-dock-monitor/.eslintrc.js
@@ -1,13 +1,7 @@
 module.exports = {
-  extends: '../../.eslintrc',
-  overrides: [
-    {
-      files: ['*.ts', '*.tsx'],
-      extends: '../../eslintrc.ts.react.base.json',
-      parserOptions: {
-        tsconfigRootDir: __dirname,
-        project: ['./tsconfig.json'],
-      },
-    },
-  ],
+  extends: '../../eslintrc.ts.react.base.json',
+  parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: ['./tsconfig.json'],
+  },
 };
diff --git a/packages/redux-devtools-dock-monitor/package.json b/packages/redux-devtools-dock-monitor/package.json
index 5c50eec9..3c117da1 100644
--- a/packages/redux-devtools-dock-monitor/package.json
+++ b/packages/redux-devtools-dock-monitor/package.json
@@ -33,11 +33,9 @@
     "build:js": "babel src --out-dir lib --extensions \".ts,.tsx\" --source-maps inline",
     "clean": "rimraf lib",
     "lint": "eslint . --ext .ts,.tsx",
-    "lint:fix": "eslint . --ext .ts,.tsx --fix",
     "type-check": "tsc --noEmit",
-    "type-check:watch": "npm run type-check -- --watch",
-    "preversion": "npm run type-check && npm run lint",
-    "prepublishOnly": "npm run clean && npm run build"
+    "prepack": "npm run clean && npm run build",
+    "prepublish": "npm run type-check && npm run lint"
   },
   "dependencies": {
     "@types/prop-types": "^15.7.4",
@@ -46,11 +44,23 @@
     "react-dock": "^0.4.0"
   },
   "devDependencies": {
+    "@babel/cli": "^7.15.4",
+    "@babel/core": "^7.15.5",
+    "@babel/preset-env": "^7.15.6",
+    "@babel/preset-react": "^7.14.5",
+    "@babel/preset-typescript": "^7.15.0",
     "@redux-devtools/core": "^3.9.0",
     "@types/parse-key": "^0.2.0",
     "@types/react": "^16.14.15",
+    "@typescript-eslint/eslint-plugin": "^4.31.1",
+    "@typescript-eslint/parser": "^4.31.1",
+    "eslint": "^7.32.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-react": "^7.25.1",
     "react": "^16.14.0",
-    "redux": "^4.1.1"
+    "redux": "^4.1.1",
+    "rimraf": "^3.0.2",
+    "typescript": "~4.3.5"
   },
   "peerDependencies": {
     "@redux-devtools/core": "^3.7.0",
diff --git a/packages/redux-devtools-instrument/.eslintrc.js b/packages/redux-devtools-instrument/.eslintrc.js
index e711b7e3..4de5f294 100644
--- a/packages/redux-devtools-instrument/.eslintrc.js
+++ b/packages/redux-devtools-instrument/.eslintrc.js
@@ -1,14 +1,10 @@
 module.exports = {
-  extends: '../../.eslintrc',
+  extends: '../../eslintrc.ts.base.json',
+  parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: ['./tsconfig.json'],
+  },
   overrides: [
-    {
-      files: ['*.ts'],
-      extends: '../../eslintrc.ts.base.json',
-      parserOptions: {
-        tsconfigRootDir: __dirname,
-        project: ['./tsconfig.json'],
-      },
-    },
     {
       files: ['test/**/*.ts'],
       extends: '../../eslintrc.ts.jest.base.json',
diff --git a/packages/redux-devtools-instrument/package.json b/packages/redux-devtools-instrument/package.json
index bee1bd8d..760bf3a0 100644
--- a/packages/redux-devtools-instrument/package.json
+++ b/packages/redux-devtools-instrument/package.json
@@ -27,26 +27,38 @@
     "url": "https://github.com/reduxjs/redux-devtools.git"
   },
   "scripts": {
-    "build": "npm run build:types && npm run build:js",
+    "build": "yarn run build:types && yarn run build:js",
     "build:types": "tsc --emitDeclarationOnly",
     "build:js": "babel src --out-dir lib --extensions \".ts\" --source-maps inline",
     "clean": "rimraf lib",
     "test": "jest",
     "lint": "eslint . --ext .ts",
-    "lint:fix": "eslint . --ext .ts --fix",
     "type-check": "tsc --noEmit",
-    "type-check:watch": "npm run type-check -- --watch",
-    "preversion": "npm run type-check && npm run lint && npm run test",
-    "prepublishOnly": "npm run clean && npm run build"
+    "prepack": "yarn run clean && yarn run build",
+    "prepublish": "yarn run type-check && yarn run lint && yarn run test"
   },
   "dependencies": {
     "lodash": "^4.17.21"
   },
   "devDependencies": {
+    "@babel/cli": "^7.15.4",
+    "@babel/core": "^7.15.5",
+    "@babel/preset-env": "^7.15.6",
+    "@babel/preset-typescript": "^7.15.0",
+    "@types/jest": "^27.0.1",
     "@types/lodash": "^4.14.172",
+    "@types/node": "^14.17.15",
+    "@typescript-eslint/eslint-plugin": "^4.31.1",
+    "@typescript-eslint/parser": "^4.31.1",
+    "eslint": "^7.32.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-jest": "^24.4.0",
     "jest": "^27.2.0",
     "redux": "^4.1.1",
-    "rxjs": "^7.3.0"
+    "rimraf": "^3.0.2",
+    "rxjs": "^7.3.0",
+    "ts-jest": "^27.0.5",
+    "typescript": "~4.3.5"
   },
   "peerDependencies": {
     "redux": "^3.4.0 || ^4.0.0"
diff --git a/packages/redux-devtools/.eslintrc.js b/packages/redux-devtools/.eslintrc.js
index 21d68e4d..faaca940 100644
--- a/packages/redux-devtools/.eslintrc.js
+++ b/packages/redux-devtools/.eslintrc.js
@@ -1,14 +1,10 @@
 module.exports = {
-  extends: '../../.eslintrc',
+  extends: '../../eslintrc.ts.react.base.json',
+  parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: ['./tsconfig.json'],
+  },
   overrides: [
-    {
-      files: ['*.ts', '*.tsx'],
-      extends: '../../eslintrc.ts.react.base.json',
-      parserOptions: {
-        tsconfigRootDir: __dirname,
-        project: ['./tsconfig.json'],
-      },
-    },
     {
       files: ['test/**/*.ts', 'test/**/*.tsx'],
       extends: '../../eslintrc.ts.react.jest.base.json',
diff --git a/packages/redux-devtools/examples/counter/.eslintrc.js b/packages/redux-devtools/examples/counter/.eslintrc.js
index 70e1445e..1305eae7 100644
--- a/packages/redux-devtools/examples/counter/.eslintrc.js
+++ b/packages/redux-devtools/examples/counter/.eslintrc.js
@@ -1,14 +1,10 @@
 module.exports = {
-  extends: '../../../../.eslintrc',
+  extends: '../../../../eslintrc.ts.react.base.json',
+  parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: ['./tsconfig.json'],
+  },
   overrides: [
-    {
-      files: ['*.ts', '*.tsx'],
-      extends: '../../../../eslintrc.ts.react.base.json',
-      parserOptions: {
-        tsconfigRootDir: __dirname,
-        project: ['./tsconfig.json'],
-      },
-    },
     {
       files: ['webpack.config.ts'],
       extends: '../../../../eslintrc.ts.base.json',
diff --git a/packages/redux-devtools/examples/counter/package.json b/packages/redux-devtools/examples/counter/package.json
index dd6b6116..b202aded 100644
--- a/packages/redux-devtools/examples/counter/package.json
+++ b/packages/redux-devtools/examples/counter/package.json
@@ -14,9 +14,7 @@
   "scripts": {
     "start": "webpack serve",
     "lint": "eslint . --ext .ts,.tsx",
-    "lint:fix": "eslint . --ext .ts,.tsx --fix",
-    "type-check": "tsc --noEmit",
-    "type-check:watch": "npm run type-check -- --watch"
+    "type-check": "tsc --noEmit"
   },
   "dependencies": {
     "@redux-devtools/core": "^3.9.0",
@@ -31,11 +29,29 @@
     "redux-thunk": "^2.3.0"
   },
   "devDependencies": {
+    "@babel/core": "^7.15.5",
+    "@babel/preset-env": "^7.15.6",
+    "@babel/preset-react": "^7.14.5",
+    "@babel/preset-typescript": "^7.15.0",
+    "@types/node": "^14.17.15",
     "@types/prop-types": "^15.7.3",
     "@types/react": "^16.14.8",
     "@types/react-dom": "^16.9.13",
     "@types/react-redux": "^7.1.16",
-    "@types/webpack-env": "^1.16.0"
+    "@types/webpack": "^5.28.0",
+    "@types/webpack-dev-server": "^4.1.0",
+    "@types/webpack-env": "^1.16.0",
+    "@typescript-eslint/eslint-plugin": "^4.31.1",
+    "@typescript-eslint/parser": "^4.31.1",
+    "babel-loader": "^8.2.2",
+    "eslint": "^7.32.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-react": "^7.25.1",
+    "ts-node": "^10.2.1",
+    "typescript": "~4.3.5",
+    "webpack": "^5.52.1",
+    "webpack-cli": "^4.8.0",
+    "webpack-dev-server": "^4.2.1"
   },
   "private": true
 }
diff --git a/packages/redux-devtools/examples/counter/webpack.config.ts b/packages/redux-devtools/examples/counter/webpack.config.ts
index 8b0200b7..5ebe3e2c 100644
--- a/packages/redux-devtools/examples/counter/webpack.config.ts
+++ b/packages/redux-devtools/examples/counter/webpack.config.ts
@@ -17,7 +17,7 @@ module.exports = {
     rules: [
       {
         test: /\.(js|ts)x?$/,
-        loaders: ['babel-loader'],
+        loader: 'babel-loader',
         exclude: /node_modules/,
         include: path.join(__dirname, 'src'),
       },
diff --git a/packages/redux-devtools/examples/todomvc/.eslintrc.js b/packages/redux-devtools/examples/todomvc/.eslintrc.js
index 70e1445e..1305eae7 100644
--- a/packages/redux-devtools/examples/todomvc/.eslintrc.js
+++ b/packages/redux-devtools/examples/todomvc/.eslintrc.js
@@ -1,14 +1,10 @@
 module.exports = {
-  extends: '../../../../.eslintrc',
+  extends: '../../../../eslintrc.ts.react.base.json',
+  parserOptions: {
+    tsconfigRootDir: __dirname,
+    project: ['./tsconfig.json'],
+  },
   overrides: [
-    {
-      files: ['*.ts', '*.tsx'],
-      extends: '../../../../eslintrc.ts.react.base.json',
-      parserOptions: {
-        tsconfigRootDir: __dirname,
-        project: ['./tsconfig.json'],
-      },
-    },
     {
       files: ['webpack.config.ts'],
       extends: '../../../../eslintrc.ts.base.json',
diff --git a/packages/redux-devtools/examples/todomvc/package.json b/packages/redux-devtools/examples/todomvc/package.json
index f7891772..4e05f825 100644
--- a/packages/redux-devtools/examples/todomvc/package.json
+++ b/packages/redux-devtools/examples/todomvc/package.json
@@ -26,9 +26,7 @@
   "scripts": {
     "start": "webpack serve --open",
     "lint": "eslint . --ext .ts,.tsx",
-    "lint:fix": "eslint . --ext .ts,.tsx --fix",
-    "type-check": "tsc --noEmit",
-    "type-check:watch": "npm run type-check -- --watch"
+    "type-check": "tsc --noEmit"
   },
   "dependencies": {
     "@redux-devtools/core": "^3.9.0",
@@ -44,11 +42,31 @@
     "todomvc-app-css": "^2.4.1"
   },
   "devDependencies": {
+    "@babel/core": "^7.15.5",
+    "@babel/preset-env": "^7.15.6",
+    "@babel/preset-react": "^7.14.5",
+    "@babel/preset-typescript": "^7.15.0",
     "@types/classnames": "^2.3.1",
+    "@types/node": "^14.17.15",
     "@types/prop-types": "^15.7.3",
     "@types/react": "^16.14.8",
     "@types/react-dom": "^16.9.13",
-    "@types/react-redux": "^7.1.16"
+    "@types/react-redux": "^7.1.16",
+    "@types/webpack": "^5.28.0",
+    "@types/webpack-dev-server": "^4.1.0",
+    "@typescript-eslint/eslint-plugin": "^4.31.1",
+    "@typescript-eslint/parser": "^4.31.1",
+    "babel-loader": "^8.2.2",
+    "eslint": "^7.32.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-react": "^7.25.1",
+    "raw-loader": "^4.0.2",
+    "style-loader": "^3.2.1",
+    "ts-node": "^10.2.1",
+    "typescript": "~4.3.5",
+    "webpack": "^5.52.1",
+    "webpack-cli": "^4.8.0",
+    "webpack-dev-server": "^4.2.1"
   },
   "private": true
 }
diff --git a/packages/redux-devtools/examples/todomvc/webpack.config.ts b/packages/redux-devtools/examples/todomvc/webpack.config.ts
index efb1bfb5..c0c48bdb 100644
--- a/packages/redux-devtools/examples/todomvc/webpack.config.ts
+++ b/packages/redux-devtools/examples/todomvc/webpack.config.ts
@@ -17,13 +17,13 @@ module.exports = {
     rules: [
       {
         test: /\.(js|ts)x?$/,
-        loaders: ['babel-loader'],
+        loader: 'babel-loader',
         exclude: /node_modules/,
         include: __dirname,
       },
       {
         test: /\.css?$/,
-        loaders: [
+        use: [
           'style-loader',
           {
             loader: 'raw-loader',
diff --git a/packages/redux-devtools/package.json b/packages/redux-devtools/package.json
index afbb10b4..8f66476e 100644
--- a/packages/redux-devtools/package.json
+++ b/packages/redux-devtools/package.json
@@ -27,17 +27,15 @@
     "url": "https://github.com/reduxjs/redux-devtools.git"
   },
   "scripts": {
-    "build": "npm run build:types && npm run build:js",
+    "build": "yarn run build:types && yarn run build:js",
     "build:types": "tsc --emitDeclarationOnly",
     "build:js": "babel src --out-dir lib --extensions \".ts,.tsx\" --source-maps inline",
     "clean": "rimraf lib",
     "test": "jest",
     "lint": "eslint . --ext .ts,.tsx",
-    "lint:fix": "eslint . --ext .ts,.tsx --fix",
     "type-check": "tsc --noEmit",
-    "type-check:watch": "npm run type-check -- --watch",
-    "preversion": "npm run type-check && npm run lint && npm run test",
-    "prepublishOnly": "npm run clean && npm run build"
+    "prepack": "yarn run clean && yarn run build",
+    "prepublish": "yarn run type-check && yarn run lint && yarn run test"
   },
   "dependencies": {
     "@redux-devtools/instrument": "^1.11.0",
@@ -46,12 +44,30 @@
     "prop-types": "^15.7.2"
   },
   "devDependencies": {
+    "@babel/cli": "^7.15.4",
+    "@babel/core": "^7.15.5",
+    "@babel/preset-env": "^7.15.6",
+    "@babel/preset-react": "^7.14.5",
+    "@babel/preset-typescript": "^7.15.0",
+    "@types/jest": "^27.0.1",
     "@types/lodash": "^4.14.172",
+    "@types/node": "^14.17.15",
     "@types/react": "^16.14.15",
     "@types/react-redux": "^7.1.18",
+    "@typescript-eslint/eslint-plugin": "^4.31.1",
+    "@typescript-eslint/parser": "^4.31.1",
+    "eslint": "^7.32.0",
+    "eslint-config-prettier": "^8.3.0",
+    "eslint-plugin-jest": "^24.4.0",
+    "eslint-plugin-react": "^7.25.1",
+    "jest": "^27.2.0",
     "react": "^16.14.0",
+    "react-dom": "^16.14.0",
     "react-redux": "^7.2.5",
-    "redux": "^4.1.1"
+    "redux": "^4.1.1",
+    "rimraf": "^3.0.2",
+    "ts-jest": "^27.0.5",
+    "typescript": "~4.3.5"
   },
   "peerDependencies": {
     "react": "^0.14.9 || ^15.3.0 || ^16.0.0 || ^17.0.0",
diff --git a/yarn.lock b/yarn.lock
index 5cc6c93b..034225f8 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -4517,16 +4517,28 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@redux-devtools/chart-monitor@workspace:packages/redux-devtools-chart-monitor"
   dependencies:
+    "@babel/cli": ^7.15.4
+    "@babel/core": ^7.15.5
+    "@babel/preset-env": ^7.15.6
+    "@babel/preset-react": ^7.14.5
+    "@babel/preset-typescript": ^7.15.0
     "@redux-devtools/core": ^3.9.0
     "@types/prop-types": ^15.7.4
     "@types/react": ^16.14.15
     "@types/redux-devtools-themes": ^1.0.0
+    "@typescript-eslint/eslint-plugin": ^4.31.1
+    "@typescript-eslint/parser": ^4.31.1
     d3-state-visualizer: ^1.4.0
     deepmerge: ^4.2.2
+    eslint: ^7.32.0
+    eslint-config-prettier: ^8.3.0
+    eslint-plugin-react: ^7.25.1
     prop-types: ^15.7.2
     react: ^16.14.0
     redux: ^4.1.1
     redux-devtools-themes: ^1.0.0
+    rimraf: ^3.0.2
+    typescript: ~4.3.5
   peerDependencies:
     "@redux-devtools/core": ^3.7.0
     "@types/react": ^16.3.0 || ^17.0.0
@@ -4580,16 +4592,34 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@redux-devtools/core@workspace:packages/redux-devtools"
   dependencies:
+    "@babel/cli": ^7.15.4
+    "@babel/core": ^7.15.5
+    "@babel/preset-env": ^7.15.6
+    "@babel/preset-react": ^7.14.5
+    "@babel/preset-typescript": ^7.15.0
     "@redux-devtools/instrument": ^1.11.0
+    "@types/jest": ^27.0.1
     "@types/lodash": ^4.14.172
+    "@types/node": ^14.17.15
     "@types/prop-types": ^15.7.4
     "@types/react": ^16.14.15
     "@types/react-redux": ^7.1.18
+    "@typescript-eslint/eslint-plugin": ^4.31.1
+    "@typescript-eslint/parser": ^4.31.1
+    eslint: ^7.32.0
+    eslint-config-prettier: ^8.3.0
+    eslint-plugin-jest: ^24.4.0
+    eslint-plugin-react: ^7.25.1
+    jest: ^27.2.0
     lodash: ^4.17.21
     prop-types: ^15.7.2
     react: ^16.14.0
+    react-dom: ^16.14.0
     react-redux: ^7.2.5
     redux: ^4.1.1
+    rimraf: ^3.0.2
+    ts-jest: ^27.0.5
+    typescript: ~4.3.5
   peerDependencies:
     react: ^0.14.9 || ^15.3.0 || ^16.0.0 || ^17.0.0
     react-redux: ^4.0.0 || ^5.0.0 || ^6.0.0 || ^7.0.0
@@ -4601,15 +4631,27 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@redux-devtools/dock-monitor@workspace:packages/redux-devtools-dock-monitor"
   dependencies:
+    "@babel/cli": ^7.15.4
+    "@babel/core": ^7.15.5
+    "@babel/preset-env": ^7.15.6
+    "@babel/preset-react": ^7.14.5
+    "@babel/preset-typescript": ^7.15.0
     "@redux-devtools/core": ^3.9.0
     "@types/parse-key": ^0.2.0
     "@types/prop-types": ^15.7.4
     "@types/react": ^16.14.15
+    "@typescript-eslint/eslint-plugin": ^4.31.1
+    "@typescript-eslint/parser": ^4.31.1
+    eslint: ^7.32.0
+    eslint-config-prettier: ^8.3.0
+    eslint-plugin-react: ^7.25.1
     parse-key: ^0.2.1
     prop-types: ^15.7.2
     react: ^16.14.0
     react-dock: ^0.4.0
     redux: ^4.1.1
+    rimraf: ^3.0.2
+    typescript: ~4.3.5
   peerDependencies:
     "@redux-devtools/core": ^3.7.0
     "@types/react": ^16.3.0 || ^17.0.0
@@ -4751,11 +4793,25 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "@redux-devtools/instrument@workspace:packages/redux-devtools-instrument"
   dependencies:
+    "@babel/cli": ^7.15.4
+    "@babel/core": ^7.15.5
+    "@babel/preset-env": ^7.15.6
+    "@babel/preset-typescript": ^7.15.0
+    "@types/jest": ^27.0.1
     "@types/lodash": ^4.14.172
+    "@types/node": ^14.17.15
+    "@typescript-eslint/eslint-plugin": ^4.31.1
+    "@typescript-eslint/parser": ^4.31.1
+    eslint: ^7.32.0
+    eslint-config-prettier: ^8.3.0
+    eslint-plugin-jest: ^24.4.0
     jest: ^27.2.0
     lodash: ^4.17.21
     redux: ^4.1.1
+    rimraf: ^3.0.2
     rxjs: ^7.3.0
+    ts-jest: ^27.0.5
+    typescript: ~4.3.5
   peerDependencies:
     redux: ^3.4.0 || ^4.0.0
   languageName: unknown
@@ -11692,14 +11748,27 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "counter-redux@workspace:packages/redux-devtools/examples/counter"
   dependencies:
+    "@babel/core": ^7.15.5
+    "@babel/preset-env": ^7.15.6
+    "@babel/preset-react": ^7.14.5
+    "@babel/preset-typescript": ^7.15.0
     "@redux-devtools/core": ^3.9.0
     "@redux-devtools/dock-monitor": ^1.4.0
     "@redux-devtools/log-monitor": ^2.3.0
+    "@types/node": ^14.17.15
     "@types/prop-types": ^15.7.3
     "@types/react": ^16.14.8
     "@types/react-dom": ^16.9.13
     "@types/react-redux": ^7.1.16
+    "@types/webpack": ^5.28.0
+    "@types/webpack-dev-server": ^4.1.0
     "@types/webpack-env": ^1.16.0
+    "@typescript-eslint/eslint-plugin": ^4.31.1
+    "@typescript-eslint/parser": ^4.31.1
+    babel-loader: ^8.2.2
+    eslint: ^7.32.0
+    eslint-config-prettier: ^8.3.0
+    eslint-plugin-react: ^7.25.1
     prop-types: ^15.7.2
     react: ^16.14.0
     react-dom: ^16.14.0
@@ -11707,6 +11776,11 @@ __metadata:
     react-redux: ^7.2.4
     redux: ^4.1.0
     redux-thunk: ^2.3.0
+    ts-node: ^10.2.1
+    typescript: ~4.3.5
+    webpack: ^5.52.1
+    webpack-cli: ^4.8.0
+    webpack-dev-server: ^4.2.1
   languageName: unknown
   linkType: soft
 
@@ -23978,6 +24052,7 @@ fsevents@^1.2.7:
     "@types/base16": ^1.0.2
     "@types/color": ^3.0.2
     "@types/jest": ^27.0.1
+    "@types/lodash": ^4.14.172
     "@types/lodash.curry": ^4.1.6
     "@typescript-eslint/eslint-plugin": ^4.31.1
     "@typescript-eslint/parser": ^4.31.1
@@ -24332,13 +24407,31 @@ fsevents@^1.2.7:
   version: 0.0.0-use.local
   resolution: "react-json-tree-example@workspace:packages/react-json-tree/examples"
   dependencies:
+    "@babel/core": ^7.15.5
+    "@babel/preset-env": ^7.15.6
+    "@babel/preset-react": ^7.14.5
+    "@babel/preset-typescript": ^7.15.0
+    "@types/node": ^14.17.15
     "@types/react": ^16.14.8
     "@types/react-dom": ^16.9.13
+    "@types/webpack": ^5.28.0
+    "@types/webpack-dev-server": ^4.1.0
+    "@typescript-eslint/eslint-plugin": ^4.31.1
+    "@typescript-eslint/parser": ^4.31.1
+    babel-loader: ^8.2.2
+    eslint: ^7.32.0
+    eslint-config-prettier: ^8.3.0
+    eslint-plugin-react: ^7.25.1
     immutable: ^4.0.0-rc.12
     react: ^16.14.0
     react-base16-styling: ^0.8.0
     react-dom: ^16.14.0
     react-json-tree: ^0.15.0
+    ts-node: ^10.2.1
+    typescript: ~4.3.5
+    webpack: ^5.52.1
+    webpack-cli: ^4.8.0
+    webpack-dev-server: ^4.2.1
   languageName: unknown
   linkType: soft
 
@@ -24346,13 +24439,35 @@ fsevents@^1.2.7:
   version: 0.0.0-use.local
   resolution: "react-json-tree@workspace:packages/react-json-tree"
   dependencies:
+    "@babel/cli": ^7.15.4
+    "@babel/core": ^7.15.5
+    "@babel/preset-env": ^7.15.6
+    "@babel/preset-react": ^7.14.5
+    "@babel/preset-typescript": ^7.15.0
+    "@types/jest": ^27.0.1
+    "@types/node": ^14.17.15
     "@types/prop-types": ^15.7.4
     "@types/react": ^16.14.15
     "@types/react-test-renderer": ^16.9.5
+    "@types/webpack": ^5.28.0
+    "@typescript-eslint/eslint-plugin": ^4.31.1
+    "@typescript-eslint/parser": ^4.31.1
+    babel-loader: ^8.2.2
+    eslint: ^7.32.0
+    eslint-config-prettier: ^8.3.0
+    eslint-plugin-jest: ^24.4.0
+    eslint-plugin-react: ^7.25.1
+    jest: ^27.2.0
     prop-types: ^15.7.2
     react: ^16.14.0
     react-base16-styling: ^0.8.0
     react-test-renderer: ^16.14.0
+    rimraf: ^3.0.2
+    ts-jest: ^27.0.5
+    ts-node: ^10.2.1
+    typescript: ~4.3.5
+    webpack: ^5.52.1
+    webpack-cli: ^4.8.0
   peerDependencies:
     "@types/react": ^16.3.0 || ^17.0.0
     react: ^16.3.0 || ^17.0.0
@@ -28294,22 +28409,42 @@ resolve@^2.0.0-next.3:
   version: 0.0.0-use.local
   resolution: "todomvc@workspace:packages/redux-devtools/examples/todomvc"
   dependencies:
+    "@babel/core": ^7.15.5
+    "@babel/preset-env": ^7.15.6
+    "@babel/preset-react": ^7.14.5
+    "@babel/preset-typescript": ^7.15.0
     "@redux-devtools/core": ^3.9.0
     "@redux-devtools/dock-monitor": ^1.4.0
     "@redux-devtools/log-monitor": ^2.3.0
     "@types/classnames": ^2.3.1
+    "@types/node": ^14.17.15
     "@types/prop-types": ^15.7.3
     "@types/react": ^16.14.8
     "@types/react-dom": ^16.9.13
     "@types/react-redux": ^7.1.16
+    "@types/webpack": ^5.28.0
+    "@types/webpack-dev-server": ^4.1.0
+    "@typescript-eslint/eslint-plugin": ^4.31.1
+    "@typescript-eslint/parser": ^4.31.1
+    babel-loader: ^8.2.2
     classnames: ^2.3.1
+    eslint: ^7.32.0
+    eslint-config-prettier: ^8.3.0
+    eslint-plugin-react: ^7.25.1
     prop-types: ^15.7.2
+    raw-loader: ^4.0.2
     react: ^16.14.0
     react-dom: ^16.14.0
     react-hot-loader: ^4.13.0
     react-redux: ^7.2.4
     redux: ^4.1.0
+    style-loader: ^3.2.1
     todomvc-app-css: ^2.4.1
+    ts-node: ^10.2.1
+    typescript: ~4.3.5
+    webpack: ^5.52.1
+    webpack-cli: ^4.8.0
+    webpack-dev-server: ^4.2.1
   languageName: unknown
   linkType: soft