diff --git a/packages/babel-core/src/config/full.ts b/packages/babel-core/src/config/full.ts
index b56872791a9f..76ad6ebef63f 100644
--- a/packages/babel-core/src/config/full.ts
+++ b/packages/babel-core/src/config/full.ts
@@ -56,6 +56,88 @@ export type { Plugin };
 export type PluginPassList = Array<Plugin>;
 export type PluginPasses = Array<PluginPassList>;
 
+function sortPlugins(plugins: Plugin[]) {
+  function stableSort(plugins: Plugin[], orderMap: Map<string, number>) {
+    const buckets = Object.create(null);
+
+    // By collecting into buckets, we can guarantee a stable sort.
+    for (let i = 0; i < plugins.length; i++) {
+      const n = plugins[i];
+      const p = 1000 - orderMap.get(n.key);
+
+      // In case some plugin is setting an unexpected priority.
+      const bucket = buckets[p] || (buckets[p] = []);
+      bucket.push(n);
+    }
+
+    // Sort our keys in descending order. Keys are unique, so we don't have to
+    // worry about stability.
+    const keys = Object.keys(buckets)
+      .map(k => +k)
+      .sort((a, b) => b - a);
+
+    let index = 0;
+    for (const key of keys) {
+      const bucket = buckets[key];
+      for (const n of bucket) {
+        plugins[index++] = n;
+      }
+    }
+    return plugins;
+  }
+
+  const orderDataListMap: Map<
+    string,
+    {
+      version: number;
+      data: () => string[];
+      plugins: Plugin[];
+    }
+  > = new Map();
+
+  const pluginsWithPadding: (Plugin | string)[] = [];
+
+  for (let i = plugins.length - 1; i >= 0; i--) {
+    const plugin = plugins[i];
+    const { orderData } = plugin;
+    if (orderData) {
+      let orderData2 = orderDataListMap.get(orderData.id);
+      if ((orderData2?.version || 0) < orderData.version) {
+        if (orderData2 == null) {
+          pluginsWithPadding.unshift(orderData.id);
+        }
+        orderDataListMap.set(
+          orderData.id,
+          (orderData2 = {
+            version: orderData.version,
+            data: () => orderData.data(),
+            plugins: [],
+          }),
+        );
+      }
+      orderData2.plugins.unshift(plugin);
+    } else {
+      pluginsWithPadding.unshift(plugin);
+    }
+  }
+
+  const newPlugins: Plugin[] = [];
+
+  for (const value of pluginsWithPadding) {
+    if (typeof value === "string") {
+      const orderData = orderDataListMap.get(value);
+      const map = new Map<string, number>(
+        orderData.data().map((key, i) => [key, i]),
+      );
+      newPlugins.push(...stableSort(orderData.plugins, map));
+    } else {
+      newPlugins.push(value);
+    }
+  }
+
+  return newPlugins;
+}
+
 export default gensync(function* loadFullConfig(
   inputOpts: unknown,
 ): Handler<ResolvedConfig | null> {
@@ -168,7 +250,7 @@ export default gensync(function* loadFullConfig(
 
   if (ignored) return null;
 
-  const opts: any = optionDefaults;
+  const opts: ValidatedOptions = optionDefaults;
   mergeOptions(opts, options);
 
   const pluginContext: Context.FullPlugin = {
@@ -211,6 +293,10 @@ export default gensync(function* loadFullConfig(
     .map(plugins => ({ plugins }));
   opts.passPerPreset = opts.presets.length > 0;
 
+  if (opts.sortPlugins && !opts.passPerPreset) {
+    opts.plugins = passes[0] = sortPlugins(opts.plugins as Plugin[]);
+  }
+
   return {
     options: opts,
     passes: passes,
diff --git a/packages/babel-core/src/config/partial.ts b/packages/babel-core/src/config/partial.ts
index 68a541ea38ec..5eed58be517c 100644
--- a/packages/babel-core/src/config/partial.ts
+++ b/packages/babel-core/src/config/partial.ts
@@ -112,6 +112,9 @@ export default function* loadPrivatePartialConfig(
   const merged: ValidatedOptions = {
     assumptions: {},
   };
+
+  if (process.env.BABEL_8_BREAKING) merged.sortPlugins = true;
+
   configChain.options.forEach(opts => {
     mergeOptions(merged as any, opts);
   });
diff --git a/packages/babel-core/src/config/plugin.ts b/packages/babel-core/src/config/plugin.ts
index 8ee23fc31226..bb24fa0dd84e 100644
--- a/packages/babel-core/src/config/plugin.ts
+++ b/packages/babel-core/src/config/plugin.ts
@@ -16,6 +16,8 @@ export default class Plugin {
 
   externalDependencies: ReadonlyDeepArray<string>;
 
+  orderData?: PluginObject["orderData"];
+
   constructor(
     plugin: PluginObject,
     options: {},
@@ -30,6 +32,7 @@ export default class Plugin {
     this.visitor = plugin.visitor || {};
     this.parserOverride = plugin.parserOverride;
     this.generatorOverride = plugin.generatorOverride;
+    this.orderData = plugin.orderData;
 
     this.options = options;
     this.externalDependencies = externalDependencies;
diff --git a/packages/babel-core/src/config/validation/option-assertions.ts b/packages/babel-core/src/config/validation/option-assertions.ts
index 9b47cbd98597..69cf254c7f01 100644
--- a/packages/babel-core/src/config/validation/option-assertions.ts
+++ b/packages/babel-core/src/config/validation/option-assertions.ts
@@ -219,7 +219,7 @@ export function assertBoolean(
 export function assertObject(
   loc: GeneralPath,
   value: unknown,
-): { readonly [key: string]: unknown } | void {
+): { readonly [key: string]: unknown } | undefined {
   if (
     value !== undefined &&
     (typeof value !== "object" || Array.isArray(value) || !value)
diff --git a/packages/babel-core/src/config/validation/options.ts b/packages/babel-core/src/config/validation/options.ts
index 3c554e06a6ca..bc9bdf24fda8 100644
--- a/packages/babel-core/src/config/validation/options.ts
+++ b/packages/babel-core/src/config/validation/options.ts
@@ -56,6 +56,8 @@ const ROOT_VALIDATORS: ValidatorSet = {
   cloneInputAst: assertBoolean as Validator<ValidatedOptions["cloneInputAst"]>,
 
   envName: assertString as Validator<ValidatedOptions["envName"]>,
+
+  sortPlugins: assertBoolean as Validator<ValidatedOptions["sortPlugins"]>,
 };
 
 const BABELRC_VALIDATORS: ValidatorSet = {
@@ -192,6 +194,7 @@ export type ValidatedOptions = {
   parserOpts?: ParserOptions;
   // Deprecate top level generatorOpts
   generatorOpts?: GeneratorOptions;
+  sortPlugins?: boolean;
 };
 
 export type NormalizedOptions = {
diff --git a/packages/babel-core/src/config/validation/plugins.ts b/packages/babel-core/src/config/validation/plugins.ts
index 08184364c20f..041eeb668215 100644
--- a/packages/babel-core/src/config/validation/plugins.ts
+++ b/packages/babel-core/src/config/validation/plugins.ts
@@ -33,8 +33,27 @@ const VALIDATORS: ValidatorSet = {
   generatorOverride: assertFunction as Validator<
     PluginObject["generatorOverride"]
   >,
+
+  orderData: assertOrderData as Validator<PluginObject["orderData"]>,
 };
 
+function assertOrderData(loc: OptionPath, value: unknown) {
+  const obj = assertObject(loc, value);
+  if (obj) {
+    if (typeof obj.id !== "string") {
+      throw new Error(
+        `${msg(loc)} must have an "id" property that is a string`,
+      );
+    }
+    if (typeof obj.version !== "number") {
+      throw new Error(
+        `${msg(loc)} must have a "version" property that is a number`,
+      );
+    }
+  }
+  return value as PluginObject["orderData"];
+}
+
 function assertVisitorMap(loc: OptionPath, value: unknown): Visitor {
   const obj = assertObject(loc, value);
   if (obj) {
@@ -95,6 +114,13 @@ export type PluginObject<S extends PluginPass = PluginPass> = {
   visitor?: Visitor<S>;
   parserOverride?: Function;
   generatorOverride?: Function;
+  orderData?: {
+    id: string;
+    version: number;
+  } & {
+    type: "list";
+    data: () => string[];
+  };
 };
 
 export function validatePluginObject(obj: {
diff --git a/packages/babel-core/src/transformation/index.ts b/packages/babel-core/src/transformation/index.ts
index 6da480314311..d5f7dcbefe38 100644
--- a/packages/babel-core/src/transformation/index.ts
+++ b/packages/babel-core/src/transformation/index.ts
@@ -15,6 +15,7 @@ import generateCode from "./file/generate.ts";
 import type File from "./file/file.ts";
 
 import { flattenToSet } from "../config/helpers/deep-array.ts";
+import { isThenable } from "../gensync-utils/async.ts";
 
 export type FileResultCallback = {
   (err: Error, file: null): void;
@@ -145,12 +146,3 @@ function* transformFile(file: File, pluginPasses: PluginPasses): Handler<void> {
     }
   }
 }
-
-function isThenable<T extends PromiseLike<any>>(val: any): val is T {
-  return (
-    !!val &&
-    (typeof val === "object" || typeof val === "function") &&
-    !!val.then &&
-    typeof val.then === "function"
-  );
-}
diff --git a/packages/babel-core/test/api.js b/packages/babel-core/test/api.js
index 6aceceea0b62..55945ddba094 100644
--- a/packages/babel-core/test/api.js
+++ b/packages/babel-core/test/api.js
@@ -366,9 +366,11 @@ describe("api", function () {
       plugins: ["@babel/plugin-syntax-jsx"],
     });
 
-    expect(result.options.plugins[0].manipulateOptions.toString()).toEqual(
-      expect.stringContaining("jsx"),
-    );
+    expect(
+      result.options.plugins
+        .find(v => v.key === "syntax-jsx")
+        .manipulateOptions.toString(),
+    ).toEqual(expect.stringContaining("jsx"));
   });
 
   it("option wrapPluginVisitorMethod", function () {
diff --git a/packages/babel-core/test/config-chain.js b/packages/babel-core/test/config-chain.js
index 770e732c83c7..8103a6146cb5 100644
--- a/packages/babel-core/test/config-chain.js
+++ b/packages/babel-core/test/config-chain.js
@@ -4,6 +4,7 @@ import path from "path";
 import { fileURLToPath } from "url";
 import * as babel from "../lib/index.js";
 import rimraf from "rimraf";
+import { IS_BABEL_8 } from "$repo-utils";
 
 import _getTargets from "@babel/helper-compilation-targets";
 const getTargets = _getTargets.default || _getTargets;
@@ -1128,6 +1129,7 @@ describe("buildConfigChain", function () {
       cloneInputAst: true,
       targets: defaultTargets,
       assumptions: {},
+      ...(IS_BABEL_8() ? { sortPlugins: true } : {}),
     });
     const realEnv = process.env.NODE_ENV;
     const realBabelEnv = process.env.BABEL_ENV;
diff --git a/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-class-properties/typescript-declare-class-property-babel-7/input.ts b/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-class-properties/typescript-declare-class-property-babel-7/input.ts
new file mode 100644
index 000000000000..4aec71c8add3
--- /dev/null
+++ b/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-class-properties/typescript-declare-class-property-babel-7/input.ts
@@ -0,0 +1,3 @@
+declare class Foo {
+  static bar: string;
+}
diff --git a/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-class-properties/typescript-declare-class-property-babel-7/options.json b/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-class-properties/typescript-declare-class-property-babel-7/options.json
new file mode 100644
index 000000000000..adf0406b4cb9
--- /dev/null
+++ b/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-class-properties/typescript-declare-class-property-babel-7/options.json
@@ -0,0 +1,6 @@
+{
+  "presets": ["typescript"],
+  "plugins": ["transform-class-properties"],
+  "throws": "TypeScript 'declare' fields must first be transformed by @babel/plugin-transform-typescript.",
+  "BABEL_8_BREAKING": false
+}
diff --git a/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-class-properties/typescript-declare-class-property/options.json b/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-class-properties/typescript-declare-class-property/options.json
index 1b72952138ac..8a963360b433 100644
--- a/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-class-properties/typescript-declare-class-property/options.json
+++ b/packages/babel-helper-create-class-features-plugin/test/fixtures/plugin-proposal-class-properties/typescript-declare-class-property/options.json
@@ -1,5 +1,7 @@
 {
   "presets": ["typescript"],
   "plugins": ["transform-class-properties"],
-  "throws": "TypeScript 'declare' fields must first be transformed by @babel/plugin-transform-typescript."
+  "throws": "TypeScript 'declare' fields must first be transformed by @babel/plugin-transform-typescript.",
+  "sortPlugins": false,
+  "BABEL_8_BREAKING": true
 }
diff --git a/packages/babel-helper-plugin-utils/src/index.ts b/packages/babel-helper-plugin-utils/src/index.ts
index 8dd3e762b066..5006f6d12265 100644
--- a/packages/babel-helper-plugin-utils/src/index.ts
+++ b/packages/babel-helper-plugin-utils/src/index.ts
@@ -58,8 +58,108 @@ export function declare<State = {}, Option = {}>(
       clonedApi[name] = apiPolyfills[name](clonedApi);
     }
 
-    // @ts-expect-error options || {} may not be assigned to Options
-    return builder(clonedApi ?? api, options || {}, dirname);
+    const pluginObject = builder(
+      clonedApi ?? api,
+      options || ({} as Option),
+      dirname,
+    );
+
+    const orderList = [
+      "transform-modules-commonjs",
+      "transform-modules-amd",
+      "transform-modules-systemjs",
+      "transform-modules-umd",
+
+      "transform-typescript",
+      "transform-flow",
+
+      "proposal-async-do-expressions",
+      "proposal-decorators",
+      "proposal-destructuring-private",
+      "proposal-do-expressions",
+      "proposal-duplicate-named-capturing-groups-regex",
+      "proposal-explicit-resource-management",
+      "proposal-export-default-from",
+      "proposal-function-bind",
+      "proposal-function-sent",
+      "proposal-import-attributes-to-assertions",
+      "proposal-import-defer",
+      "proposal-import-wasm-source",
+      "proposal-json-modules",
+      "proposal-optional-chaining-assign",
+      "proposal-partial-application",
+      "proposal-pipeline-operator",
+      "proposal-record-and-tuple",
+      "proposal-regexp-modifiers",
+      "proposal-throw-expressions",
+
+      "transform-unicode-sets-regex",
+      "bugfix/transform-v8-static-class-fields-redefine-readonly",
+      "bugfix/transform-firefox-class-in-computed-class-key",
+      "transform-class-static-block",
+      "transform-private-property-in-object",
+      "transform-class-properties",
+      "transform-private-methods",
+      "transform-numeric-separator",
+      "transform-logical-assignment-operators",
+      "transform-nullish-coalescing-operator",
+      "transform-optional-chaining",
+      "transform-json-strings",
+      "transform-optional-catch-binding",
+      "transform-parameters",
+      "transform-async-generator-functions",
+      "transform-object-rest-spread",
+      "transform-dotall-regex",
+      "transform-unicode-property-regex",
+      "transform-named-capturing-groups-regex",
+      "transform-async-to-generator",
+      "transform-exponentiation-operator",
+      "transform-template-literals",
+      "transform-literals",
+      "transform-function-name",
+      "transform-arrow-functions",
+      "transform-block-scoped-functions",
+      "transform-classes",
+      "transform-object-super",
+      "transform-shorthand-properties",
+      "transform-duplicate-keys",
+      "transform-computed-properties",
+      "transform-for-of",
+      "transform-sticky-regex",
+      "transform-unicode-escapes",
+      "transform-unicode-regex",
+      "transform-spread",
+      "transform-destructuring",
+      "transform-block-scoping",
+      "transform-typeof-symbol",
+      "transform-new-target",
+      "transform-regenerator",
+      "transform-member-expression-literals",
+      "transform-property-literals",
+      "transform-reserved-words",
+      "transform-export-namespace-from",
+      "bugfix/transform-async-arrows-in-class",
+      "bugfix/transform-edge-default-parameters",
+      "bugfix/transform-edge-function-name",
+      "bugfix/transform-safari-block-shadowing",
+      "bugfix/transform-safari-for-shadowing",
+      "bugfix/transform-safari-id-destructuring-collision-in-function-expression",
+      "bugfix/transform-tagged-template-caching",
+      "bugfix/transform-v8-spread-parameters-in-optional-chaining",
+    ];
+
+    if (process.env.BABEL_8_BREAKING && orderList.includes(pluginObject.name)) {
+      pluginObject.orderData = {
+        id: "@babel/helper-plugin-order-data",
+        version: 1,
+        type: "list",
+        data: () => {
+          return orderList;
+        },
+      };
+    }
+
+    return pluginObject;
   };
 }
 
diff --git a/packages/babel-plugin-proposal-destructuring-private/test/fixtures/typescript/invalid-after-destructuring-private-babel-7/input.ts b/packages/babel-plugin-proposal-destructuring-private/test/fixtures/typescript/invalid-after-destructuring-private-babel-7/input.ts
new file mode 100644
index 000000000000..e108eb0a6b7e
--- /dev/null
+++ b/packages/babel-plugin-proposal-destructuring-private/test/fixtures/typescript/invalid-after-destructuring-private-babel-7/input.ts
@@ -0,0 +1,4 @@
+class C {
+  #x;
+  constructor(public foo, { #x: x}) {}
+}
diff --git a/packages/babel-plugin-proposal-destructuring-private/test/fixtures/typescript/invalid-after-destructuring-private-babel-7/options.json b/packages/babel-plugin-proposal-destructuring-private/test/fixtures/typescript/invalid-after-destructuring-private-babel-7/options.json
new file mode 100644
index 000000000000..49e9e5f42f80
--- /dev/null
+++ b/packages/babel-plugin-proposal-destructuring-private/test/fixtures/typescript/invalid-after-destructuring-private-babel-7/options.json
@@ -0,0 +1,7 @@
+{
+  "plugins": ["proposal-destructuring-private", "transform-typescript"],
+  "throws": [
+    "TypeScript features must first be transformed by @babel/plugin-transform-typescript."
+  ],
+  "BABEL_8_BREAKING": false
+}
diff --git a/packages/babel-plugin-proposal-destructuring-private/test/fixtures/typescript/invalid-after-destructuring-private/options.json b/packages/babel-plugin-proposal-destructuring-private/test/fixtures/typescript/invalid-after-destructuring-private/options.json
index c033e98f1b8e..bce69e3ab375 100644
--- a/packages/babel-plugin-proposal-destructuring-private/test/fixtures/typescript/invalid-after-destructuring-private/options.json
+++ b/packages/babel-plugin-proposal-destructuring-private/test/fixtures/typescript/invalid-after-destructuring-private/options.json
@@ -2,5 +2,7 @@
   "plugins": ["proposal-destructuring-private", "transform-typescript"],
   "throws": [
     "TypeScript features must first be transformed by @babel/plugin-transform-typescript."
-  ]
+  ],
+  "sortPlugins": false,
+  "BABEL_8_BREAKING": true
 }
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec-babel-7/input.js b/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec-babel-7/input.js
new file mode 100644
index 000000000000..21f2cd9050d4
--- /dev/null
+++ b/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec-babel-7/input.js
@@ -0,0 +1,4 @@
+(async function() { await 'ok' })();
+(async () => { await 'ok' })();
+(async function notIIFE() { await 'ok' });
+(async () => { await 'not iife' });
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec-babel-7/options.json b/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec-babel-7/options.json
new file mode 100644
index 000000000000..74da06e29387
--- /dev/null
+++ b/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec-babel-7/options.json
@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    ["transform-arrow-functions", { "spec": true }],
+    "transform-regenerator",
+    "transform-async-to-generator"
+  ],
+  "BABEL_8_BREAKING": false
+}
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec-babel-7/output.js b/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec-babel-7/output.js
new file mode 100644
index 000000000000..22fae9825792
--- /dev/null
+++ b/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec-babel-7/output.js
@@ -0,0 +1,57 @@
+var _this = this;
+babelHelpers.asyncToGenerator( /*#__PURE__*/babelHelpers.regeneratorRuntime().mark(function _callee() {
+  return babelHelpers.regeneratorRuntime().wrap(function _callee$(_context) {
+    while (1) switch (_context.prev = _context.next) {
+      case 0:
+        _context.next = 2;
+        return 'ok';
+      case 2:
+      case "end":
+        return _context.stop();
+    }
+  }, _callee);
+}))();
+babelHelpers.asyncToGenerator( /*#__PURE__*/babelHelpers.regeneratorRuntime().mark(function _callee2() {
+  return babelHelpers.regeneratorRuntime().wrap(function _callee2$(_context2) {
+    while (1) switch (_context2.prev = _context2.next) {
+      case 0:
+        babelHelpers.newArrowCheck(this, _this);
+        _context2.next = 3;
+        return 'ok';
+      case 3:
+      case "end":
+        return _context2.stop();
+    }
+  }, _callee2, this);
+})).bind(this)();
+/*#__PURE__*/(function () {
+  var _notIIFE = babelHelpers.asyncToGenerator( /*#__PURE__*/babelHelpers.regeneratorRuntime().mark(function _callee3() {
+    return babelHelpers.regeneratorRuntime().wrap(function _callee3$(_context3) {
+      while (1) switch (_context3.prev = _context3.next) {
+        case 0:
+          _context3.next = 2;
+          return 'ok';
+        case 2:
+        case "end":
+          return _context3.stop();
+      }
+    }, _callee3);
+  }));
+  function notIIFE() {
+    return _notIIFE.apply(this, arguments);
+  }
+  return notIIFE;
+})();
+/*#__PURE__*/babelHelpers.asyncToGenerator( /*#__PURE__*/babelHelpers.regeneratorRuntime().mark(function _callee4() {
+  return babelHelpers.regeneratorRuntime().wrap(function _callee4$(_context4) {
+    while (1) switch (_context4.prev = _context4.next) {
+      case 0:
+        babelHelpers.newArrowCheck(this, _this);
+        _context4.next = 3;
+        return 'not iife';
+      case 3:
+      case "end":
+        return _context4.stop();
+    }
+  }, _callee4, this);
+})).bind(this);
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec/options.json b/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec/options.json
index 7aa70e7c2b47..78c79b3c1465 100644
--- a/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec/options.json
+++ b/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec/options.json
@@ -3,5 +3,6 @@
     ["transform-arrow-functions", { "spec": true }],
     "transform-regenerator",
     "transform-async-to-generator"
-  ]
+  ],
+  "BABEL_8_BREAKING": true
 }
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec/output.js b/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec/output.js
index 22fae9825792..83445d5e0077 100644
--- a/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec/output.js
+++ b/packages/babel-plugin-transform-async-to-generator/test/fixtures/async-to-generator/async-iife-with-regenerator-spec/output.js
@@ -1,4 +1,3 @@
-var _this = this;
 babelHelpers.asyncToGenerator( /*#__PURE__*/babelHelpers.regeneratorRuntime().mark(function _callee() {
   return babelHelpers.regeneratorRuntime().wrap(function _callee$(_context) {
     while (1) switch (_context.prev = _context.next) {
@@ -15,15 +14,14 @@ babelHelpers.asyncToGenerator( /*#__PURE__*/babelHelpers.regeneratorRuntime().ma
   return babelHelpers.regeneratorRuntime().wrap(function _callee2$(_context2) {
     while (1) switch (_context2.prev = _context2.next) {
       case 0:
-        babelHelpers.newArrowCheck(this, _this);
-        _context2.next = 3;
+        _context2.next = 2;
         return 'ok';
-      case 3:
+      case 2:
       case "end":
         return _context2.stop();
     }
-  }, _callee2, this);
-})).bind(this)();
+  }, _callee2);
+}))();
 /*#__PURE__*/(function () {
   var _notIIFE = babelHelpers.asyncToGenerator( /*#__PURE__*/babelHelpers.regeneratorRuntime().mark(function _callee3() {
     return babelHelpers.regeneratorRuntime().wrap(function _callee3$(_context3) {
@@ -46,12 +44,11 @@ babelHelpers.asyncToGenerator( /*#__PURE__*/babelHelpers.regeneratorRuntime().ma
   return babelHelpers.regeneratorRuntime().wrap(function _callee4$(_context4) {
     while (1) switch (_context4.prev = _context4.next) {
       case 0:
-        babelHelpers.newArrowCheck(this, _this);
-        _context4.next = 3;
+        _context4.next = 2;
         return 'not iife';
-      case 3:
+      case 2:
       case "end":
         return _context4.stop();
     }
-  }, _callee4, this);
-})).bind(this);
+  }, _callee4);
+}));
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943-babel-7/exec.js b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943-babel-7/exec.js
new file mode 100644
index 000000000000..c8839c7358f9
--- /dev/null
+++ b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943-babel-7/exec.js
@@ -0,0 +1,13 @@
+"use strict";
+
+function mandatory(paramName) {
+  throw new Error(`Missing parameter: ${paramName}`);
+}
+
+async function foo({ a, b = mandatory("b") } = {}) {
+  return Promise.resolve(b);
+}
+
+return foo().then(() => {
+  throw new Error('should not occur');
+}, () => true);
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943-babel-7/input.js b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943-babel-7/input.js
new file mode 100644
index 000000000000..a5d6442f4e78
--- /dev/null
+++ b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943-babel-7/input.js
@@ -0,0 +1,9 @@
+"use strict";
+
+function mandatory(paramName) {
+  throw new Error(`Missing parameter: ${paramName}`);
+}
+
+async function foo({ a, b = mandatory("b") }) {
+  return Promise.resolve(b);
+}
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943-babel-7/options.json b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943-babel-7/options.json
new file mode 100644
index 000000000000..b7871e189fd7
--- /dev/null
+++ b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943-babel-7/options.json
@@ -0,0 +1,11 @@
+{
+  "plugins": [
+    "transform-async-to-generator",
+    "transform-destructuring",
+    "transform-parameters"
+  ],
+  "parserOpts": {
+    "allowReturnOutsideFunction": true
+  },
+  "BABEL_8_BREAKING": false
+}
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943-babel-7/output.js b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943-babel-7/output.js
new file mode 100644
index 000000000000..036d4585a2eb
--- /dev/null
+++ b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943-babel-7/output.js
@@ -0,0 +1,19 @@
+"use strict";
+
+function mandatory(paramName) {
+  throw new Error(`Missing parameter: ${paramName}`);
+}
+function foo(_x) {
+  return _foo.apply(this, arguments);
+}
+function _foo() {
+  _foo = babelHelpers.asyncToGenerator(function (_ref) {
+    let a = _ref.a,
+      _ref$b = _ref.b,
+      b = _ref$b === void 0 ? mandatory("b") : _ref$b;
+    return function* () {
+      return Promise.resolve(b);
+    }();
+  });
+  return _foo.apply(this, arguments);
+}
diff --git a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943/options.json b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943/options.json
index 5d0999606137..c2bc84e73d47 100644
--- a/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943/options.json
+++ b/packages/babel-plugin-transform-async-to-generator/test/fixtures/regression/4943/options.json
@@ -6,5 +6,7 @@
   ],
   "parserOpts": {
     "allowReturnOutsideFunction": true
-  }
+  },
+  "sortPlugins": false,
+  "BABEL_8_BREAKING": true
 }
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting-babel-7/input.js b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting-babel-7/input.js
new file mode 100644
index 000000000000..50a10043c570
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting-babel-7/input.js
@@ -0,0 +1,7 @@
+for (let i of nums) {
+  var x = 5;
+  var { f } = { f: 2 };
+  fns.push(function () {
+    return i * x;
+  });
+}
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting-babel-7/options.json b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting-babel-7/options.json
new file mode 100644
index 000000000000..f764d9bc7a57
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting-babel-7/options.json
@@ -0,0 +1,10 @@
+{
+  "plugins": [
+    "transform-block-scoping",
+    "syntax-jsx",
+    "transform-react-jsx",
+    "transform-block-scoped-functions",
+    "transform-for-of"
+  ],
+  "BABEL_8_BREAKING": false
+}
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting-babel-7/output.js b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting-babel-7/output.js
new file mode 100644
index 000000000000..5756895ddd6f
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting-babel-7/output.js
@@ -0,0 +1,25 @@
+var _loop = function (i) {
+    x = 5;
+    ({
+      f
+    } = {
+      f: 2
+    });
+    fns.push(function () {
+      return i * x;
+    });
+  },
+  x,
+  f;
+var _iterator = babelHelpers.createForOfIteratorHelper(nums),
+  _step;
+try {
+  for (_iterator.s(); !(_step = _iterator.n()).done;) {
+    var i = _step.value;
+    _loop(i);
+  }
+} catch (err) {
+  _iterator.e(err);
+} finally {
+  _iterator.f();
+}
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting/options.json b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting/options.json
index c1b2fe494b7f..fa65e589dcb8 100644
--- a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting/options.json
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/hoisting/options.json
@@ -5,5 +5,7 @@
     "transform-react-jsx",
     "transform-block-scoped-functions",
     "transform-for-of"
-  ]
+  ],
+  "sortPlugins": false,
+  "BABEL_8_BREAKING": true
 }
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339-babel-7/exec.js b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339-babel-7/exec.js
new file mode 100644
index 000000000000..a5d4e1b69153
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339-babel-7/exec.js
@@ -0,0 +1,38 @@
+const code = `
+  for (const {foo, ...bar} of { bar: [] }) {
+    () => foo;
+    const [qux] = bar;
+    try {} catch (e) {
+      let quux = qux;
+    }
+  }
+`;
+
+let programPath;
+let forOfPath;
+let functionPath;
+
+return transformAsync(code, {
+  configFile: false,
+  plugins: [
+    __dirname + "/../../../../lib/index.js",
+    {
+      post({ path }) {
+        programPath = path;
+        path.traverse({
+          ForOfStatement(path) { forOfPath = path },
+          FunctionExpression(path) { functionPath = path }
+        });
+      }
+    }
+  ]
+}).then(() => {
+  expect(Object.keys(programPath.scope.bindings)).toEqual(["foo", "bar"]);
+
+  // for declarations should be transformed to for bindings
+  expect(forOfPath.scope.bindings).toEqual({});
+  // The body should be wrapped into closure
+  expect(forOfPath.get("body").scope.bindings).toEqual({});
+
+  expect(Object.keys(functionPath.scope.bindings)).toEqual(["foo", "qux", "quux"]);
+});
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339-babel-7/input.js b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339-babel-7/input.js
new file mode 100644
index 000000000000..dcca3b6e2d97
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339-babel-7/input.js
@@ -0,0 +1,7 @@
+for (const {foo, ...bar} of {}) {
+  () => foo;
+  const [qux] = bar;
+  try {} catch (e) {
+    const quux = qux;
+  }
+}
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339-babel-7/options.json b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339-babel-7/options.json
new file mode 100644
index 000000000000..c7e08ae9e9c7
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339-babel-7/options.json
@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    "transform-block-scoping",
+    ["transform-object-rest-spread", { "loose": true }]
+  ],
+  "parserOpts": { "allowReturnOutsideFunction": true },
+  "BABEL_8_BREAKING": false
+}
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339-babel-7/output.js b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339-babel-7/output.js
new file mode 100644
index 000000000000..2b5c3ad548c4
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339-babel-7/output.js
@@ -0,0 +1,15 @@
+var _excluded = ["foo"];
+var _loop = function (foo) {
+  () => foo;
+  var [qux] = bar;
+  try {} catch (e) {
+    var quux = qux;
+  }
+};
+for (var _ref of {}) {
+  var {
+      foo
+    } = _ref,
+    bar = babelHelpers.objectWithoutPropertiesLoose(_ref, _excluded);
+  _loop(foo);
+}
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339/options.json b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339/options.json
index 9167b2c5167f..f58e495c5812 100644
--- a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339/options.json
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-10339/options.json
@@ -3,5 +3,7 @@
     "transform-block-scoping",
     ["transform-object-rest-spread", { "loose": true }]
   ],
-  "parserOpts": { "allowReturnOutsideFunction": true }
+  "parserOpts": { "allowReturnOutsideFunction": true },
+  "sortPlugins": false,
+  "BABEL_8_BREAKING": true
 }
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after-babel-7/exec.js b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after-babel-7/exec.js
new file mode 100644
index 000000000000..18a3b07a8cb5
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after-babel-7/exec.js
@@ -0,0 +1,15 @@
+"use strict";
+
+const results = [0, 1, 2];
+const fns = [];
+
+for (let result of results) {
+  result = result * 2;
+  fns.push(() => {
+    return result;
+  });
+}
+
+expect(fns[0]()).toBe(0);
+expect(fns[1]()).toBe(2);
+expect(fns[2]()).toBe(4);
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after-babel-7/input.js b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after-babel-7/input.js
new file mode 100644
index 000000000000..bd369896a5c3
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after-babel-7/input.js
@@ -0,0 +1,6 @@
+for (let result of results) {
+  result = otherValue;
+  fn(() => {
+    result;
+  });
+}
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after-babel-7/options.json b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after-babel-7/options.json
new file mode 100644
index 000000000000..7305a2641b81
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after-babel-7/options.json
@@ -0,0 +1,7 @@
+{
+  "plugins": [
+    ["transform-block-scoping", { "loose": true }],
+    "transform-for-of"
+  ],
+  "BABEL_8_BREAKING": false
+}
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after-babel-7/output.js b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after-babel-7/output.js
new file mode 100644
index 000000000000..68232a272bd7
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after-babel-7/output.js
@@ -0,0 +1,18 @@
+var _loop = function (result) {
+  result = otherValue;
+  fn(() => {
+    result;
+  });
+};
+var _iterator = babelHelpers.createForOfIteratorHelper(results),
+  _step;
+try {
+  for (_iterator.s(); !(_step = _iterator.n()).done;) {
+    var result = _step.value;
+    _loop(result);
+  }
+} catch (err) {
+  _iterator.e(err);
+} finally {
+  _iterator.f();
+}
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after/options.json b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after/options.json
index 4830b713117e..15378929942b 100644
--- a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after/options.json
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-after/options.json
@@ -2,5 +2,7 @@
   "plugins": [
     ["transform-block-scoping", { "loose": true }],
     "transform-for-of"
-  ]
+  ],
+  "sortPlugins": false,
+  "BABEL_8_BREAKING": true
 }
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after-babel-7/exec.js b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after-babel-7/exec.js
new file mode 100644
index 000000000000..18a3b07a8cb5
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after-babel-7/exec.js
@@ -0,0 +1,15 @@
+"use strict";
+
+const results = [0, 1, 2];
+const fns = [];
+
+for (let result of results) {
+  result = result * 2;
+  fns.push(() => {
+    return result;
+  });
+}
+
+expect(fns[0]()).toBe(0);
+expect(fns[1]()).toBe(2);
+expect(fns[2]()).toBe(4);
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after-babel-7/input.js b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after-babel-7/input.js
new file mode 100644
index 000000000000..bd369896a5c3
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after-babel-7/input.js
@@ -0,0 +1,6 @@
+for (let result of results) {
+  result = otherValue;
+  fn(() => {
+    result;
+  });
+}
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after-babel-7/options.json b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after-babel-7/options.json
new file mode 100644
index 000000000000..9491bb5a05aa
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after-babel-7/options.json
@@ -0,0 +1,7 @@
+{
+  "plugins": [
+    ["transform-block-scoping", { "loose": true }],
+    ["transform-for-of", { "loose": true }]
+  ],
+  "BABEL_8_BREAKING": false
+}
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after-babel-7/output.js b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after-babel-7/output.js
new file mode 100644
index 000000000000..2ee87f99c1c4
--- /dev/null
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after-babel-7/output.js
@@ -0,0 +1,10 @@
+var _loop = function (result) {
+  result = otherValue;
+  fn(() => {
+    result;
+  });
+};
+for (var _iterator = babelHelpers.createForOfIteratorHelperLoose(results), _step; !(_step = _iterator()).done;) {
+  var result = _step.value;
+  _loop(result);
+}
diff --git a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after/options.json b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after/options.json
index fe50de04b18d..e7adea8f01ca 100644
--- a/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after/options.json
+++ b/packages/babel-plugin-transform-block-scoping/test/fixtures/general/issue-8128-for-of-loose-after/options.json
@@ -2,5 +2,7 @@
   "plugins": [
     ["transform-block-scoping", { "loose": true }],
     ["transform-for-of", { "loose": true }]
-  ]
+  ],
+  "sortPlugins": false,
+  "BABEL_8_BREAKING": true
 }
diff --git a/packages/babel-plugin-transform-class-properties/test/fixtures/decorators-legacy-interop/wrong-order-babel-7/input.js b/packages/babel-plugin-transform-class-properties/test/fixtures/decorators-legacy-interop/wrong-order-babel-7/input.js
new file mode 100644
index 000000000000..248eee836d59
--- /dev/null
+++ b/packages/babel-plugin-transform-class-properties/test/fixtures/decorators-legacy-interop/wrong-order-babel-7/input.js
@@ -0,0 +1,2 @@
+@deco
+class Foo {}
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-class-properties/test/fixtures/decorators-legacy-interop/wrong-order-babel-7/options.json b/packages/babel-plugin-transform-class-properties/test/fixtures/decorators-legacy-interop/wrong-order-babel-7/options.json
new file mode 100644
index 000000000000..564ecf8e66cb
--- /dev/null
+++ b/packages/babel-plugin-transform-class-properties/test/fixtures/decorators-legacy-interop/wrong-order-babel-7/options.json
@@ -0,0 +1,8 @@
+{
+  "plugins": [
+    ["transform-class-properties", { "loose": true }],
+    ["proposal-decorators", { "version": "legacy" }]
+  ],
+  "throws": "Decorators are not enabled.",
+  "BABEL_8_BREAKING": false
+}
diff --git a/packages/babel-plugin-transform-class-properties/test/fixtures/decorators-legacy-interop/wrong-order/options.json b/packages/babel-plugin-transform-class-properties/test/fixtures/decorators-legacy-interop/wrong-order/options.json
index 9666d1e262a7..272f04157cbe 100644
--- a/packages/babel-plugin-transform-class-properties/test/fixtures/decorators-legacy-interop/wrong-order/options.json
+++ b/packages/babel-plugin-transform-class-properties/test/fixtures/decorators-legacy-interop/wrong-order/options.json
@@ -3,5 +3,7 @@
     ["transform-class-properties", { "loose": true }],
     ["proposal-decorators", { "version": "legacy" }]
   ],
-  "throws": "Decorators are not enabled."
+  "throws": "Decorators are not enabled.",
+  "sortPlugins": false,
+  "BABEL_8_BREAKING": true
 }
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/class/transform-properties-declare-wrong-order-babel-7/input.ts b/packages/babel-plugin-transform-typescript/test/fixtures/class/transform-properties-declare-wrong-order-babel-7/input.ts
new file mode 100644
index 000000000000..afc220470140
--- /dev/null
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/class/transform-properties-declare-wrong-order-babel-7/input.ts
@@ -0,0 +1,4 @@
+class A {
+  declare x;
+  y;
+}
\ No newline at end of file
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/class/transform-properties-declare-wrong-order-babel-7/options.json b/packages/babel-plugin-transform-typescript/test/fixtures/class/transform-properties-declare-wrong-order-babel-7/options.json
new file mode 100644
index 000000000000..17ef050bf309
--- /dev/null
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/class/transform-properties-declare-wrong-order-babel-7/options.json
@@ -0,0 +1,5 @@
+{
+  "plugins": ["transform-class-properties", "transform-typescript"],
+  "throws": "TypeScript 'declare' fields must first be transformed by @babel/plugin-transform-typescript.\nIf you have already enabled that plugin (or '@babel/preset-typescript'), make sure that it runs before any plugin related to additional class features:\n - @babel/plugin-transform-class-properties\n - @babel/plugin-transform-private-methods\n - @babel/plugin-proposal-decorators",
+  "BABEL_8_BREAKING": false
+}
diff --git a/packages/babel-plugin-transform-typescript/test/fixtures/class/transform-properties-declare-wrong-order/options.json b/packages/babel-plugin-transform-typescript/test/fixtures/class/transform-properties-declare-wrong-order/options.json
index aa7fe5f44910..cb063df08ef9 100644
--- a/packages/babel-plugin-transform-typescript/test/fixtures/class/transform-properties-declare-wrong-order/options.json
+++ b/packages/babel-plugin-transform-typescript/test/fixtures/class/transform-properties-declare-wrong-order/options.json
@@ -1,7 +1,6 @@
 {
-  "plugins": [
-    "transform-class-properties",
-    "transform-typescript"
-  ],
-  "throws": "TypeScript 'declare' fields must first be transformed by @babel/plugin-transform-typescript.\nIf you have already enabled that plugin (or '@babel/preset-typescript'), make sure that it runs before any plugin related to additional class features:\n - @babel/plugin-transform-class-properties\n - @babel/plugin-transform-private-methods\n - @babel/plugin-proposal-decorators"
+  "plugins": ["transform-class-properties", "transform-typescript"],
+  "throws": "TypeScript 'declare' fields must first be transformed by @babel/plugin-transform-typescript.\nIf you have already enabled that plugin (or '@babel/preset-typescript'), make sure that it runs before any plugin related to additional class features:\n - @babel/plugin-transform-class-properties\n - @babel/plugin-transform-private-methods\n - @babel/plugin-proposal-decorators",
+  "sortPlugins": false,
+  "BABEL_8_BREAKING": true
 }