diff --git a/.prettierignore b/.prettierignore
index 7ca974bc4..decfb8994 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -2,6 +2,7 @@
 test/*.*
 !test/*.js
 !test/**/webpack.config.js
+!test/**/deprecations.js
 
 # Ignore example fixtures
 examples/*.*
diff --git a/test/ConfigTestCases.test.js b/test/ConfigTestCases.test.js
index cdfcc1d8d..7a1831acc 100644
--- a/test/ConfigTestCases.test.js
+++ b/test/ConfigTestCases.test.js
@@ -7,6 +7,7 @@ const mkdirp = require("mkdirp");
 const rimraf = require("rimraf");
 const checkArrayExpectation = require("./checkArrayExpectation");
 const createLazyTestEnv = require("./helpers/createLazyTestEnv");
+const deprecationTracking = require("./helpers/deprecationTracking");
 const FakeDocument = require("./helpers/FakeDocument");
 
 const webpack = require("..");
@@ -107,6 +108,7 @@ describe("ConfigTestCases", () => {
 								}
 								if (testConfig.timeout) setDefaultTimeout(testConfig.timeout);
 
+								const deprecationTracker = deprecationTracking.start();
 								webpack(options, (err, stats) => {
 									if (err) {
 										const fakeStats = {
@@ -168,6 +170,17 @@ describe("ConfigTestCases", () => {
 										)
 									)
 										return;
+									const deprecations = deprecationTracker();
+									if (
+										checkArrayExpectation(
+											testDirectory,
+											{ deprecations },
+											"deprecation",
+											"Deprecation",
+											done
+										)
+									)
+										return;
 
 									const globalContext = {
 										console: console,
diff --git a/test/configCases/custom-source-type/localization/deprecations.js b/test/configCases/custom-source-type/localization/deprecations.js
new file mode 100644
index 000000000..44a05b2a7
--- /dev/null
+++ b/test/configCases/custom-source-type/localization/deprecations.js
@@ -0,0 +1 @@
+module.exports = [{ code: /DEP_WEBPACK_CHUNK_TEMPLATE_RENDER_MANIFEST/ }];
diff --git a/test/configCases/loaders/issue-3320/deprecations.js b/test/configCases/loaders/issue-3320/deprecations.js
new file mode 100644
index 000000000..aac174551
--- /dev/null
+++ b/test/configCases/loaders/issue-3320/deprecations.js
@@ -0,0 +1,10 @@
+module.exports = [
+	{
+		code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/,
+		message: /Using a string as loader options is deprecated \(ruleSet\[1\]\.rules\[2\]\.options\)/
+	},
+	{
+		code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/,
+		message: /Using a string as loader options is deprecated \(ruleSet\[1\]\.rules\[3\]\.use\[0\]\.options\)/
+	}
+];
diff --git a/test/configCases/plugins/mini-css-extract-plugin/deprecations.js b/test/configCases/plugins/mini-css-extract-plugin/deprecations.js
new file mode 100644
index 000000000..19f3a4df6
--- /dev/null
+++ b/test/configCases/plugins/mini-css-extract-plugin/deprecations.js
@@ -0,0 +1,14 @@
+module.exports = [
+	{ code: /DEP_WEBPACK_CHUNK_GROUP_GET_MODULE_INDEX_2/ },
+	{ code: /DEP_WEBPACK_CHUNK_MODULES_ITERABLE/ },
+	{ code: /DEP_WEBPACK_CHUNK_TEMPLATE_RENDER_MANIFEST/ },
+	{ code: /DEP_WEBPACK_COMPILATION_NORMAL_MODULE_LOADER_HOOK/ },
+	{ code: /DEP_WEBPACK_MAIN_TEMPLATE_GET_ASSET_PATH/ },
+	{ code: /DEP_WEBPACK_MAIN_TEMPLATE_HASH_FOR_CHUNK/ },
+	{ code: /DEP_WEBPACK_MAIN_TEMPLATE_OUTPUT_OPTIONS/ },
+	{ code: /DEP_WEBPACK_MAIN_TEMPLATE_RENDER_CURRENT_HASH_CODE/ },
+	{ code: /DEP_WEBPACK_MAIN_TEMPLATE_RENDER_MANIFEST/ },
+	{ code: /DEP_WEBPACK_MAIN_TEMPLATE_REQUIRE_FN/ },
+	{ code: /DEP_WEBPACK_MODULE_ID/ },
+	{ code: /DEP_WEBPACK_MODULE_UPDATE_HASH/ }
+];
diff --git a/test/configCases/plugins/profiling-plugin/deprecations.js b/test/configCases/plugins/profiling-plugin/deprecations.js
new file mode 100644
index 000000000..dee16addc
--- /dev/null
+++ b/test/configCases/plugins/profiling-plugin/deprecations.js
@@ -0,0 +1,3 @@
+module.exports = [
+	{ code: /DEP_WEBPACK_COMPILATION_NORMAL_MODULE_LOADER_HOOK/ }
+];
diff --git a/test/configCases/rule-set/chaining/deprecations.js b/test/configCases/rule-set/chaining/deprecations.js
new file mode 100644
index 000000000..6452ef041
--- /dev/null
+++ b/test/configCases/rule-set/chaining/deprecations.js
@@ -0,0 +1,18 @@
+module.exports = [
+	{
+		code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/,
+		message: /rules\[0\].use\[0\]/
+	},
+	{
+		code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/,
+		message: /rules\[0\].use\[1\]/
+	},
+	{
+		code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/,
+		message: /rules\[1\].use\[0\]/
+	},
+	{
+		code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/,
+		message: /rules\[1\].use\[1\]/
+	}
+];
diff --git a/test/configCases/rule-set/simple-use-array-fn/deprecations.js b/test/configCases/rule-set/simple-use-array-fn/deprecations.js
new file mode 100644
index 000000000..509a3520b
--- /dev/null
+++ b/test/configCases/rule-set/simple-use-array-fn/deprecations.js
@@ -0,0 +1,5 @@
+module.exports = [
+	{ code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/, message: /oneOf\[0\]/ },
+	{ code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/, message: /oneOf\[1\]/ },
+	{ code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/, message: /oneOf\[2\]/ }
+];
diff --git a/test/configCases/rule-set/simple-use-fn-array/deprecations.js b/test/configCases/rule-set/simple-use-fn-array/deprecations.js
new file mode 100644
index 000000000..509a3520b
--- /dev/null
+++ b/test/configCases/rule-set/simple-use-fn-array/deprecations.js
@@ -0,0 +1,5 @@
+module.exports = [
+	{ code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/, message: /oneOf\[0\]/ },
+	{ code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/, message: /oneOf\[1\]/ },
+	{ code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/, message: /oneOf\[2\]/ }
+];
diff --git a/test/configCases/rule-set/simple/deprecations.js b/test/configCases/rule-set/simple/deprecations.js
new file mode 100644
index 000000000..509a3520b
--- /dev/null
+++ b/test/configCases/rule-set/simple/deprecations.js
@@ -0,0 +1,5 @@
+module.exports = [
+	{ code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/, message: /oneOf\[0\]/ },
+	{ code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/, message: /oneOf\[1\]/ },
+	{ code: /DEP_WEBPACK_RULE_LOADER_OPTIONS_STRING/, message: /oneOf\[2\]/ }
+];
diff --git a/test/configCases/source-map/source-map-with-profiling-plugin/deprecations.js b/test/configCases/source-map/source-map-with-profiling-plugin/deprecations.js
new file mode 100644
index 000000000..dee16addc
--- /dev/null
+++ b/test/configCases/source-map/source-map-with-profiling-plugin/deprecations.js
@@ -0,0 +1,3 @@
+module.exports = [
+	{ code: /DEP_WEBPACK_COMPILATION_NORMAL_MODULE_LOADER_HOOK/ }
+];
diff --git a/test/helpers/deprecationTracking.js b/test/helpers/deprecationTracking.js
new file mode 100644
index 000000000..02b92ab91
--- /dev/null
+++ b/test/helpers/deprecationTracking.js
@@ -0,0 +1,40 @@
+/*
+	MIT License http://www.opensource.org/licenses/mit-license.php
+	Author Tobias Koppers @sokra
+*/
+
+"use strict";
+
+const util = require("util");
+
+let interception = undefined;
+
+const originalDeprecate = util.deprecate;
+util.deprecate = (fn, message, code) => {
+	const original = originalDeprecate(fn, message, code);
+
+	return function(...args) {
+		if (interception) {
+			interception.set(`${code}: ${message}`, { code, message });
+			return fn.apply(this, args);
+		} else {
+			return original.apply(this, args);
+		}
+	};
+};
+
+exports.start = handler => {
+	interception = new Map();
+
+	return () => {
+		const map = interception;
+		interception = undefined;
+		return Array.from(map)
+			.sort(([a], [b]) => {
+				if (a < b) return -1;
+				if (a > b) return 1;
+				return 0;
+			})
+			.map(([key, data]) => data);
+	};
+};