diff --git a/packages/webpack5/__tests__/configuration/__snapshots__/angular.spec.ts.snap b/packages/webpack5/__tests__/configuration/__snapshots__/angular.spec.ts.snap
index f3b4c2d99..a72d22121 100644
--- a/packages/webpack5/__tests__/configuration/__snapshots__/angular.spec.ts.snap
+++ b/packages/webpack5/__tests__/configuration/__snapshots__/angular.spec.ts.snap
@@ -166,6 +166,12 @@ exports[`angular configuration for android 1`] = `
         verbose: false
       }
     ),
+    /* config.plugin('PlatformSuffixPlugin') */
+    new PlatformSuffixPlugin(
+      {
+        platform: 'android'
+      }
+    ),
     /* config.plugin('DefinePlugin') */
     new DefinePlugin(
       {
@@ -398,6 +404,12 @@ exports[`angular configuration for ios 1`] = `
         verbose: false
       }
     ),
+    /* config.plugin('PlatformSuffixPlugin') */
+    new PlatformSuffixPlugin(
+      {
+        platform: 'ios'
+      }
+    ),
     /* config.plugin('DefinePlugin') */
     new DefinePlugin(
       {
diff --git a/packages/webpack5/__tests__/configuration/__snapshots__/javascript.spec.ts.snap b/packages/webpack5/__tests__/configuration/__snapshots__/javascript.spec.ts.snap
index 1b61257d6..daf3ae139 100644
--- a/packages/webpack5/__tests__/configuration/__snapshots__/javascript.spec.ts.snap
+++ b/packages/webpack5/__tests__/configuration/__snapshots__/javascript.spec.ts.snap
@@ -32,7 +32,8 @@ exports[`javascript configuration for android 1`] = `
       '.android.scss',
       '.scss',
       '.android.json',
-      '.json'
+      '.json',
+      '.xml'
     ]
   },
   resolveLoader: {
@@ -170,6 +171,12 @@ exports[`javascript configuration for android 1`] = `
         verbose: false
       }
     ),
+    /* config.plugin('PlatformSuffixPlugin') */
+    new PlatformSuffixPlugin(
+      {
+        platform: 'android'
+      }
+    ),
     /* config.plugin('DefinePlugin') */
     new DefinePlugin(
       {
@@ -216,10 +223,14 @@ exports[`javascript configuration for android 1`] = `
     ),
     /* config.plugin('WatchStatePlugin') */
     new WatchStatePlugin(),
+    /* config.plugin('ContextExclusionPluginPlugin') */
+    new ContextExclusionPlugin(
+      /__virtual_entry__\\\\.js$/
+    ),
     /* config.plugin('VirtualModulesPlugin') */
     new VirtualModulesPlugin(
       {
-        '__jest__/src/__virtual_entry__.js': 'require(\\\\'@nativescript/core/bundle-entry-points\\\\')\\\\nconst context = require.context(\\"~/\\", /* deep: */ true, /* filter: */ /.(xml|js)$/);\\\\nglobal.registerWebpackModules(context);'
+        '__jest__/src/__virtual_entry__.js': 'require(\\\\'@nativescript/core/bundle-entry-points\\\\')\\\\nconst context = require.context(\\"~/\\", /* deep: */ true, /* filter: */ /.(xml|js|s?css)$/);\\\\nglobal.registerWebpackModules(context);'
       }
     )
   ],
@@ -265,7 +276,8 @@ exports[`javascript configuration for ios 1`] = `
       '.ios.scss',
       '.scss',
       '.ios.json',
-      '.json'
+      '.json',
+      '.xml'
     ]
   },
   resolveLoader: {
@@ -403,6 +415,12 @@ exports[`javascript configuration for ios 1`] = `
         verbose: false
       }
     ),
+    /* config.plugin('PlatformSuffixPlugin') */
+    new PlatformSuffixPlugin(
+      {
+        platform: 'ios'
+      }
+    ),
     /* config.plugin('DefinePlugin') */
     new DefinePlugin(
       {
@@ -449,10 +467,14 @@ exports[`javascript configuration for ios 1`] = `
     ),
     /* config.plugin('WatchStatePlugin') */
     new WatchStatePlugin(),
+    /* config.plugin('ContextExclusionPluginPlugin') */
+    new ContextExclusionPlugin(
+      /__virtual_entry__\\\\.js$/
+    ),
     /* config.plugin('VirtualModulesPlugin') */
     new VirtualModulesPlugin(
       {
-        '__jest__/src/__virtual_entry__.js': 'require(\\\\'@nativescript/core/bundle-entry-points\\\\')\\\\nconst context = require.context(\\"~/\\", /* deep: */ true, /* filter: */ /.(xml|js)$/);\\\\nglobal.registerWebpackModules(context);'
+        '__jest__/src/__virtual_entry__.js': 'require(\\\\'@nativescript/core/bundle-entry-points\\\\')\\\\nconst context = require.context(\\"~/\\", /* deep: */ true, /* filter: */ /.(xml|js|s?css)$/);\\\\nglobal.registerWebpackModules(context);'
       }
     )
   ],
diff --git a/packages/webpack5/__tests__/configuration/__snapshots__/react.spec.ts.snap b/packages/webpack5/__tests__/configuration/__snapshots__/react.spec.ts.snap
index 1f3045790..fbad90df5 100644
--- a/packages/webpack5/__tests__/configuration/__snapshots__/react.spec.ts.snap
+++ b/packages/webpack5/__tests__/configuration/__snapshots__/react.spec.ts.snap
@@ -175,6 +175,12 @@ exports[`react configuration > android > adds ReactRefreshWebpackPlugin when HMR
         verbose: false
       }
     ),
+    /* config.plugin('PlatformSuffixPlugin') */
+    new PlatformSuffixPlugin(
+      {
+        platform: 'android'
+      }
+    ),
     /* config.plugin('DefinePlugin') */
     new DefinePlugin(
       {
@@ -408,6 +414,12 @@ exports[`react configuration > android > base config 1`] = `
         verbose: false
       }
     ),
+    /* config.plugin('PlatformSuffixPlugin') */
+    new PlatformSuffixPlugin(
+      {
+        platform: 'android'
+      }
+    ),
     /* config.plugin('DefinePlugin') */
     new DefinePlugin(
       {
@@ -641,6 +653,12 @@ exports[`react configuration > ios > adds ReactRefreshWebpackPlugin when HMR ena
         verbose: false
       }
     ),
+    /* config.plugin('PlatformSuffixPlugin') */
+    new PlatformSuffixPlugin(
+      {
+        platform: 'ios'
+      }
+    ),
     /* config.plugin('DefinePlugin') */
     new DefinePlugin(
       {
@@ -877,6 +895,12 @@ exports[`react configuration > ios > base config 1`] = `
         verbose: false
       }
     ),
+    /* config.plugin('PlatformSuffixPlugin') */
+    new PlatformSuffixPlugin(
+      {
+        platform: 'ios'
+      }
+    ),
     /* config.plugin('DefinePlugin') */
     new DefinePlugin(
       {
diff --git a/packages/webpack5/__tests__/configuration/__snapshots__/svelte.spec.ts.snap b/packages/webpack5/__tests__/configuration/__snapshots__/svelte.spec.ts.snap
index 7c6911b64..1d8b8ac90 100644
--- a/packages/webpack5/__tests__/configuration/__snapshots__/svelte.spec.ts.snap
+++ b/packages/webpack5/__tests__/configuration/__snapshots__/svelte.spec.ts.snap
@@ -190,6 +190,12 @@ exports[`svelte configuration for android 1`] = `
         verbose: false
       }
     ),
+    /* config.plugin('PlatformSuffixPlugin') */
+    new PlatformSuffixPlugin(
+      {
+        platform: 'android'
+      }
+    ),
     /* config.plugin('DefinePlugin') */
     new DefinePlugin(
       {
@@ -436,6 +442,12 @@ exports[`svelte configuration for ios 1`] = `
         verbose: false
       }
     ),
+    /* config.plugin('PlatformSuffixPlugin') */
+    new PlatformSuffixPlugin(
+      {
+        platform: 'ios'
+      }
+    ),
     /* config.plugin('DefinePlugin') */
     new DefinePlugin(
       {
diff --git a/packages/webpack5/__tests__/configuration/__snapshots__/vue.spec.ts.snap b/packages/webpack5/__tests__/configuration/__snapshots__/vue.spec.ts.snap
index e0498ffb8..7790c124a 100644
--- a/packages/webpack5/__tests__/configuration/__snapshots__/vue.spec.ts.snap
+++ b/packages/webpack5/__tests__/configuration/__snapshots__/vue.spec.ts.snap
@@ -192,6 +192,12 @@ exports[`vue configuration for android 1`] = `
         verbose: false
       }
     ),
+    /* config.plugin('PlatformSuffixPlugin') */
+    new PlatformSuffixPlugin(
+      {
+        platform: 'android'
+      }
+    ),
     /* config.plugin('DefinePlugin') */
     new DefinePlugin(
       {
@@ -440,6 +446,12 @@ exports[`vue configuration for ios 1`] = `
         verbose: false
       }
     ),
+    /* config.plugin('PlatformSuffixPlugin') */
+    new PlatformSuffixPlugin(
+      {
+        platform: 'ios'
+      }
+    ),
     /* config.plugin('DefinePlugin') */
     new DefinePlugin(
       {
diff --git a/packages/webpack5/__tests__/configuration/javascript.spec.ts b/packages/webpack5/__tests__/configuration/javascript.spec.ts
index 76a2c6201..dcafbafc6 100644
--- a/packages/webpack5/__tests__/configuration/javascript.spec.ts
+++ b/packages/webpack5/__tests__/configuration/javascript.spec.ts
@@ -1,4 +1,3 @@
-// @ts-ignore
 import Config from 'webpack-chain';
 import javascript from '../../src/configuration/javascript';
 import { init } from '../../src';
diff --git a/packages/webpack5/__tests__/configuration/svelte.spec.ts b/packages/webpack5/__tests__/configuration/svelte.spec.ts
index 24eaf15e3..b835cacba 100644
--- a/packages/webpack5/__tests__/configuration/svelte.spec.ts
+++ b/packages/webpack5/__tests__/configuration/svelte.spec.ts
@@ -1,6 +1,7 @@
 import Config from 'webpack-chain';
 import svelte from '../../src/configuration/svelte';
 import { init } from '../../src';
+import { mockFile } from '../../scripts/jest.mockFiles';
 
 mockFile('./svelte.config.js', '');
 // jest.mock('__jest__/svelte.config.js', () => {
diff --git a/packages/webpack5/__tests__/index.spec.ts b/packages/webpack5/__tests__/index.spec.ts
index 456780fdb..22cc9e2d3 100644
--- a/packages/webpack5/__tests__/index.spec.ts
+++ b/packages/webpack5/__tests__/index.spec.ts
@@ -42,7 +42,7 @@ describe('@nativescript/webpack', () => {
 			lastCalled = true;
 			expect(config.normal).toBe(true);
 		});
-		webpack.chainWebpack(chainFnLast, { last: true });
+		webpack.chainWebpack(chainFnLast, { order: 10 });
 
 		const chainFnNormal = jest.fn((config) => {
 			config.normal = true;
@@ -55,6 +55,22 @@ describe('@nativescript/webpack', () => {
 		webpack.resolveChainableConfig();
 	});
 
+	it('prints plugin name that errored out', () => {
+		webpack.useConfig(false);
+		webpack.setCurrentPlugin('test-plugin');
+		const chainFn = jest.fn(() => {
+			throw new Error('something wrong');
+		});
+		webpack.chainWebpack(chainFn);
+
+		// should not throw
+		expect(() => webpack.resolveChainableConfig()).not.toThrow();
+
+		expect(
+			'Unable to apply chain function from: test-plugin'
+		).toHaveBeenWarned();
+	});
+
 	it('applies merge configs', () => {
 		const dummyEnv = { env: true };
 		webpack.init(dummyEnv);
diff --git a/packages/webpack5/jest.config.js b/packages/webpack5/jest.config.js
index d0d1e8abd..6cc6b67ae 100644
--- a/packages/webpack5/jest.config.js
+++ b/packages/webpack5/jest.config.js
@@ -1,15 +1,16 @@
 module.exports = {
-  preset: 'ts-jest',
-  testEnvironment: 'node',
+	preset: 'ts-jest',
+	testEnvironment: 'node',
 	moduleNameMapper: {
-  	'^@nativescript/webpack$': '<rootDir>/src'
+		'^@nativescript/webpack$': '<rootDir>/src'
 	},
 	setupFiles: [
-		'<rootDir>/jest.setup.ts'
+		'<rootDir>/scripts/jest.setup.ts'
+	],
+	setupFilesAfterEnv: [
+		'<rootDir>/scripts/jest.mockWarn.ts'
 	],
 	globals: {
-  	'ts-jest': {
-  		tsconfig: 'tsconfig.jest.json'
-		}
+		__TEST__: true,
 	}
 };
diff --git a/packages/webpack5/jest.setup.ts b/packages/webpack5/jest.setup.ts
deleted file mode 100644
index cb63213d2..000000000
--- a/packages/webpack5/jest.setup.ts
+++ /dev/null
@@ -1,85 +0,0 @@
-// define our global helpers
-declare global {
-	function mockFile(path: string, content: string);
-}
-
-// enable TEST mode
-global.__TEST__ = true;
-
-// we are mocking the cwd for the tests, since webpack needs absolute paths
-// and we don't want them in tests
-import dedent from 'ts-dedent';
-
-process.cwd = () => '__jest__';
-
-// a virtual mock for package.json
-jest.mock(
-	'__jest__/package.json',
-	() => ({
-		main: 'src/app.js',
-		devDependencies: {
-			typescript: '*',
-		},
-	}),
-	{ virtual: true }
-);
-
-jest.mock('cosmiconfig', () => ({
-	cosmiconfigSync(moduleName) {
-		return {
-			search() {
-				// no-op in tests
-				return null;
-			},
-		};
-	},
-}));
-
-jest.mock('path', () => {
-	const path = jest.requireActual('path');
-	return {
-		...path,
-		resolve(...args) {
-			if (args[0] === '__jest__') {
-				return path.join(...args);
-			}
-
-			const resolved = path.resolve(...args);
-			if (resolved.includes('__jest__')) {
-				const li = resolved.lastIndexOf('__jest__');
-				return resolved.substr(li);
-			}
-
-			return resolved;
-		},
-	};
-});
-
-const mockedFiles: { [path: string]: string } = {};
-
-global.mockFile = function mockFile(path, content) {
-	const unionFS = require('unionfs').default;
-	const Volume = require('memfs').Volume;
-
-	// reset to fs
-	unionFS.reset();
-
-	// add mocked file
-	mockedFiles[path] = dedent(content);
-
-	// create new volume
-	const vol = Volume.fromJSON(mockedFiles, '__jest__');
-
-	// use the new volume
-	unionFS.use(vol as any);
-};
-
-jest.mock('fs', () => {
-	const fs = jest.requireActual('fs');
-	const unionFS = require('unionfs').default;
-	unionFS.reset = () => {
-		unionFS.fss = [fs];
-	};
-
-	return unionFS.use(fs);
-});
diff --git a/packages/webpack5/package.json b/packages/webpack5/package.json
index 17ac378c8..c36817571 100644
--- a/packages/webpack5/package.json
+++ b/packages/webpack5/package.json
@@ -11,12 +11,11 @@
 	},
 	"license": "Apache-2.0",
 	"scripts": {
-		"build": "tsc",
+		"build": "tsc --project tsconfig.build.json",
 		"test": "jest",
 		"prepack": "npm run build && cp -R src/stubs dist/stubs && chmod +x dist/bin/index.js"
 	},
 	"dependencies": {
-		"@babel/core": "^7.12.3",
 		"@pmmmwh/react-refresh-webpack-plugin": "^0.4.3",
 		"@types/sax": "^1.2.1",
 		"babel-loader": "^8.2.1",
@@ -57,6 +56,7 @@
 		"@types/terser-webpack-plugin": "^5.0.2",
 		"@types/webpack-virtual-modules": "^0.1.0",
 		"jest": "^26.6.3",
+		"jest-matcher-utils": "^26.6.2",
 		"memfs": "^3.2.0",
 		"nativescript-vue-template-compiler": "^2.8.2",
 		"ts-jest": "^26.4.4",
diff --git a/packages/webpack5/scripts/jest.globals.d.ts b/packages/webpack5/scripts/jest.globals.d.ts
new file mode 100644
index 000000000..07e2a0691
--- /dev/null
+++ b/packages/webpack5/scripts/jest.globals.d.ts
@@ -0,0 +1,12 @@
+// define test-specific globals here
+
+declare namespace jest {
+	interface Matchers<R, T> {
+		toHaveBeenWarned(): R;
+		toHaveBeenPrinted(): R;
+	}
+}
+
+declare global {
+	function mockFile(path: string, content: string);
+}
diff --git a/packages/webpack5/scripts/jest.mockFiles.ts b/packages/webpack5/scripts/jest.mockFiles.ts
new file mode 100644
index 000000000..ac61a943a
--- /dev/null
+++ b/packages/webpack5/scripts/jest.mockFiles.ts
@@ -0,0 +1,42 @@
+import dedent from 'ts-dedent';
+
+const mockedFiles: { [path: string]: string } = {};
+
+export function mockFile(path, content) {
+	const unionFS = require('unionfs').default;
+	const Volume = require('memfs').Volume;
+
+	// reset to fs
+	unionFS.reset();
+
+	// add mocked file
+	mockedFiles[path] = dedent(content);
+
+	// create new volume
+	const vol = Volume.fromJSON(mockedFiles, '__jest__');
+
+	// use the new volume
+	unionFS.use(vol as any);
+}
+
+// a virtual mock for package.json
+jest.mock(
+	'__jest__/package.json',
+	() => ({
+		main: 'src/app.js',
+		devDependencies: {
+			typescript: '*',
+		},
+	}),
+	{ virtual: true }
+);
+
+jest.mock('fs', () => {
+	const fs = jest.requireActual('fs');
+	const unionFS = require('unionfs').default;
+	unionFS.reset = () => {
+		unionFS.fss = [fs];
+	};
+
+	return unionFS.use(fs);
+});
diff --git a/packages/webpack5/scripts/jest.mockWarn.ts b/packages/webpack5/scripts/jest.mockWarn.ts
new file mode 100644
index 000000000..161ad31ce
--- /dev/null
+++ b/packages/webpack5/scripts/jest.mockWarn.ts
@@ -0,0 +1,64 @@
+import { printExpected, printReceived } from 'jest-matcher-utils';
+import dedent from 'ts-dedent';
+
+expect.extend({
+	toHaveBeenWarned(received: string) {
+		asserted.add(received);
+		const passed = warnSpy.mock.calls
+			.map((args) => args[1])
+			.some((arg) => arg.indexOf(received) > -1);
+		if (passed) {
+			return {
+				pass: true,
+				message() {
+					return `expected ${printReceived(received)} not to have been warned`;
+				},
+			};
+		}
+
+		const warnings = warnSpy.mock.calls.map((args) => args[1]).join('\n\n');
+		return {
+			pass: false,
+			message() {
+				return dedent`
+					expected ${printExpected(received)} to have been warned.
+
+					Actual warnings:
+
+					${warnings}
+				`;
+			},
+		};
+	},
+});
+
+let warnSpy: any;
+let asserted = new Set([]);
+beforeEach(() => {
+	asserted.clear();
+
+	warnSpy = jest.spyOn(console, 'warn');
+
+	warnSpy.mockImplementation(() => {});
+});
+
+afterEach(() => {
+	const assertedArray = Array.from(asserted);
+	const nonAssertedWarns = warnSpy.mock.calls
+		.map((args) => args[1])
+		.filter((received) => {
+			return !assertedArray.some((assertedMessage) => {
+				return received.indexOf(assertedMessage) > -1;
+			});
+		});
+
+	warnSpy.mockRestore();
+
+	if (nonAssertedWarns.length) {
+		throw new Error(dedent`
+			Test case printed unexpected warnings:
+
+			${printReceived(nonAssertedWarns.join('\n\n'))}
+		`);
+	}
+});
diff --git a/packages/webpack5/scripts/jest.setup.ts b/packages/webpack5/scripts/jest.setup.ts
new file mode 100644
index 000000000..3928cb8d0
--- /dev/null
+++ b/packages/webpack5/scripts/jest.setup.ts
@@ -0,0 +1,35 @@
+import './jest.mockFiles';
+// we are mocking the cwd for the tests, since webpack needs absolute paths
+// and we don't want them in tests
+process.cwd = () => '__jest__';
+
+jest.mock('cosmiconfig', () => ({
+	cosmiconfigSync(moduleName) {
+		return {
+			search() {
+				// no-op in tests
+				return null;
+			},
+		};
+	},
+}));
+
+jest.mock('path', () => {
+	const path = jest.requireActual('path');
+	return {
+		...path,
+		resolve(...args) {
+			if (args[0] === '__jest__') {
+				return path.join(...args);
+			}
+
+			const resolved = path.resolve(...args);
+			if (resolved.includes('__jest__')) {
+				const li = resolved.lastIndexOf('__jest__');
+				return resolved.substr(li);
+			}
+
+			return resolved;
+		},
+	};
+});
diff --git a/packages/webpack5/src/helpers/externalConfigs.ts b/packages/webpack5/src/helpers/externalConfigs.ts
index 2231817a9..68b4be5d6 100644
--- a/packages/webpack5/src/helpers/externalConfigs.ts
+++ b/packages/webpack5/src/helpers/externalConfigs.ts
@@ -1,8 +1,10 @@
 import path from 'path';
 import fs from 'fs';
-import * as lib from '../index';
-import { error, info, warn } from './log';
+
 import { getAllDependencies, getDependencyPath } from './dependencies';
+import { info, warn } from './log';
+import * as lib from '../index';
+import { clearCurrentPlugin, setCurrentPlugin } from '../index';
 
 export function applyExternalConfigs() {
 	getAllDependencies().forEach((dependency) => {
@@ -11,7 +13,7 @@ export function applyExternalConfigs() {
 
 		if (fs.existsSync(configPath)) {
 			info(`Discovered config: ${configPath}`);
-
+			setCurrentPlugin(dependency);
 			try {
 				const externalConfig = require(configPath);
 
@@ -27,14 +29,13 @@ export function applyExternalConfigs() {
 					);
 				}
 			} catch (err) {
-				error(
-					`
-						Unable to apply config: ${configPath}.
-						Error is:
-					`,
-					err
-				);
+				warn(`
+					Unable to apply config: ${configPath}.
+					Error is: ${err}
+				`);
 			}
 		}
 	});
+
+	clearCurrentPlugin();
 }
diff --git a/packages/webpack5/src/helpers/log.ts b/packages/webpack5/src/helpers/log.ts
index 26dd6a703..3fe9783e8 100644
--- a/packages/webpack5/src/helpers/log.ts
+++ b/packages/webpack5/src/helpers/log.ts
@@ -11,7 +11,7 @@ function cleanup(data: any[]) {
 }
 
 export function error(...data: any): Error {
-	console.error(`[@nativescript/webpack] Error: \n`, ...cleanup(data));
+	console.warn(`[@nativescript/webpack] Error: \n`, ...cleanup(data));
 
 	// we return the error - the caller can throw or ignore
 	if (typeof data[0] === 'string') {
@@ -26,7 +26,7 @@ export function warn(...data: any): void {
 }
 
 export function info(...data: any): void {
-	console.info(`[@nativescript/webpack] Info: \n`, ...cleanup(data));
+	console.log(`[@nativescript/webpack] Info: \n`, ...cleanup(data));
 }
 
 // todo: refine
diff --git a/packages/webpack5/src/index.ts b/packages/webpack5/src/index.ts
index e6b51875a..731c70b27 100644
--- a/packages/webpack5/src/index.ts
+++ b/packages/webpack5/src/index.ts
@@ -30,20 +30,36 @@ export interface IWebpackEnv {
 	// todo: add others
 }
 
-let webpackChains = {
-	base: [],
-	normal: [],
-	last: [],
-};
+interface IChainEntry {
+	chainFn: any;
+	order?: number;
+	plugin?: string;
+}
+
+let webpackChains: IChainEntry[] = [];
 let webpackMerges: any[] = [];
 let explicitUseConfig = false;
 let hasInitialized = false;
-
+let currentPlugin: string | undefined;
 /**
  * @internal
  */
 export let env: IWebpackEnv = {};
 
+/**
+ * @internal
+ */
+export function setCurrentPlugin(plugin: string) {
+	currentPlugin = plugin;
+}
+
+/**
+ * @internal
+ */
+export function clearCurrentPlugin() {
+	currentPlugin = undefined;
+}
+
 ////// PUBLIC API
 export const defaultConfigs = configs;
 export const Utils = helpers;
@@ -58,16 +74,22 @@ export function init(_env: IWebpackEnv) {
 export function useConfig(config: keyof typeof defaultConfigs | false) {
 	explicitUseConfig = true;
 	if (config) {
-		webpackChains.base.push(configs[config]);
+		webpackChains.push({
+			order: -1,
+			chainFn: configs[config],
+		});
 	}
 }
 
 export function chainWebpack(
 	chainFn: (config: Config, env: IWebpackEnv) => any,
-	options?: { last?: boolean }
+	options?: { order?: number }
 ) {
-	const type = options?.last ? 'last' : 'normal';
-	webpackChains[type].push(chainFn);
+	webpackChains.push({
+		order: options?.order || 0,
+		chainFn,
+		plugin: currentPlugin,
+	});
 }
 
 export function mergeWebpack(
@@ -90,19 +112,24 @@ export function resolveChainableConfig(): Config {
 	// todo: allow opt-out
 	applyExternalConfigs();
 
-	const applyChains = (chains) => {
-		// this applies the chain configs
-		chains.forEach((chainFn) => {
-			return chainFn(config, env);
+	webpackChains
+		.splice(0)
+		.sort((a, b) => {
+			return a.order - b.order;
+		})
+		.forEach(({ chainFn, plugin }) => {
+			try {
+				chainFn(config, env);
+			} catch (err) {
+				if (plugin) {
+					// print error with plugin name that causes it
+					error(`
+					Unable to apply chain function from: ${plugin}.
+					Error is: ${err}
+				`);
+				}
+			}
 		});
-	};
-
-	// first we apply base configs
-	applyChains(webpackChains.base);
-	// then regular configs
-	applyChains(webpackChains.normal);
-	// finally configs that opted to be called last
-	applyChains(webpackChains.last);
 
 	if (env.verbose) {
 		info('Resolved chainable config (before merges):');
diff --git a/packages/webpack5/src/plugins/PlatformSuffixPlugin.ts b/packages/webpack5/src/plugins/PlatformSuffixPlugin.ts
index 183d48c0f..a9e54e86c 100644
--- a/packages/webpack5/src/plugins/PlatformSuffixPlugin.ts
+++ b/packages/webpack5/src/plugins/PlatformSuffixPlugin.ts
@@ -29,6 +29,7 @@ export class PlatformSuffixPlugin {
 		);
 		const platformRE = new RegExp(`\.${this.platform}\.`);
 
+		// require.context
 		compiler.hooks.contextModuleFactory.tap(id, (cmf) => {
 			cmf.hooks.alternativeRequests.tap(id, (modules, options) => {
 				const additionalModules = [];
diff --git a/packages/webpack5/tsconfig.build.json b/packages/webpack5/tsconfig.build.json
new file mode 100644
index 000000000..6d90f5603
--- /dev/null
+++ b/packages/webpack5/tsconfig.build.json
@@ -0,0 +1,7 @@
+{
+    "extends": "./tsconfig.json",
+    "compilerOptions": {
+        "rootDir": "./src"
+    },
+    "include": ["src"]
+}
diff --git a/packages/webpack5/tsconfig.jest.json b/packages/webpack5/tsconfig.jest.json
deleted file mode 100644
index e3a2a33ad..000000000
--- a/packages/webpack5/tsconfig.jest.json
+++ /dev/null
@@ -1,4 +0,0 @@
-{
-	"extends": "./tsconfig.json",
-	"include": ["src", "__tests__", "jest.setup.ts"]
-}
diff --git a/packages/webpack5/tsconfig.json b/packages/webpack5/tsconfig.json
index f56902cf4..57f24b976 100644
--- a/packages/webpack5/tsconfig.json
+++ b/packages/webpack5/tsconfig.json
@@ -1,6 +1,6 @@
 {
 	"compilerOptions": {
-		"rootDir": "./src",
+		"rootDir": ".",
 		"baseUrl": ".",
 		"target": "es2017",
 		"module": "commonjs",
@@ -20,6 +20,6 @@
 		"allowSyntheticDefaultImports": true,
 		"stripInternal": true
 	},
-	"include": ["src"],
+	"include": ["src", "scripts", "__tests__"],
 	"exclude": ["node_modules"]
 }