diff --git a/Composer/packages/client/package.json b/Composer/packages/client/package.json
index 5c8da74fd9..842169d718 100644
--- a/Composer/packages/client/package.json
+++ b/Composer/packages/client/package.json
@@ -20,7 +20,7 @@
     "@bfc/extensions": "*",
     "@bfc/indexers": "*",
     "@bfc/shared": "*",
-    "@bfcomposer/bf-lu": "^1.2.5",
+    "@bfcomposer/bf-lu": "^1.2.9",
     "@emotion/core": "^10.0.7",
     "@reach/router": "^1.2.1",
     "axios": "^0.18.0",
diff --git a/Composer/packages/extensions/obiformeditor/src/Form/fields/PromptField/UserInput.tsx b/Composer/packages/extensions/obiformeditor/src/Form/fields/PromptField/UserInput.tsx
index 97553ed0f0..d2550e546d 100644
--- a/Composer/packages/extensions/obiformeditor/src/Form/fields/PromptField/UserInput.tsx
+++ b/Composer/packages/extensions/obiformeditor/src/Form/fields/PromptField/UserInput.tsx
@@ -8,6 +8,7 @@ import { FieldProps } from '@bfcomposer/react-jsonschema-form';
 import formatMessage from 'format-message';
 import { JSONSchema6 } from 'json-schema';
 import { SDKTypes, MicrosoftInputDialog, ChoiceInput, ConfirmInput } from '@bfc/shared';
+import { DialogInfo } from '@bfc/indexers/lib/type';
 
 import { TextWidget, SelectWidget } from '../../widgets';
 import { LuEditorWidget } from '../../widgets/LuEditorWidget';
@@ -16,7 +17,6 @@ import { field } from './styles';
 import { GetSchema, PromptFieldChangeHandler } from './types';
 import { ChoiceInputSettings } from './ChoiceInput';
 import { ConfirmInputSettings } from './ConfirmInput';
-import { DialogInfo } from '@bfc/indexers/lib/type';
 
 const getOptions = (enumSchema: JSONSchema6) => {
   if (!enumSchema || !enumSchema.enum || !Array.isArray(enumSchema.enum)) {
diff --git a/Composer/packages/extensions/obiformeditor/src/Form/widgets/LuEditorWidget.tsx b/Composer/packages/extensions/obiformeditor/src/Form/widgets/LuEditorWidget.tsx
index c551e5bdab..dba358ad9f 100644
--- a/Composer/packages/extensions/obiformeditor/src/Form/widgets/LuEditorWidget.tsx
+++ b/Composer/packages/extensions/obiformeditor/src/Form/widgets/LuEditorWidget.tsx
@@ -9,6 +9,7 @@ import { LuFile, filterSectionDiagnostics } from '@bfc/indexers';
 import { LuIntentSection } from '@bfc/shared';
 
 import { FormContext } from '../types';
+
 import { WidgetLabel } from './WidgetLabel';
 
 interface LuEditorWidgetProps {
diff --git a/Composer/packages/lib/indexers/package.json b/Composer/packages/lib/indexers/package.json
index 461948af75..b0102f5096 100644
--- a/Composer/packages/lib/indexers/package.json
+++ b/Composer/packages/lib/indexers/package.json
@@ -29,7 +29,7 @@
   },
   "dependencies": {
     "@bfc/shared": "*",
-    "@bfcomposer/bf-lu": "^1.2.5",
+    "@bfcomposer/bf-lu": "^1.2.9",
     "botbuilder-lg": "^4.8.0-preview.106823",
     "botframework-expressions": "^4.8.0-preview.106476",
     "lodash": "^4.17.15"
diff --git a/Composer/packages/lib/indexers/src/dialogIndexer.ts b/Composer/packages/lib/indexers/src/dialogIndexer.ts
index eb36ee6ae6..fe89692f22 100644
--- a/Composer/packages/lib/indexers/src/dialogIndexer.ts
+++ b/Composer/packages/lib/indexers/src/dialogIndexer.ts
@@ -12,7 +12,7 @@ import { JsonWalk, VisitorFunc } from './utils/jsonWalk';
 import { getBaseName } from './utils/help';
 import { Diagnostic } from './diagnostic';
 import ExtractMemoryPaths from './dialogUtils/extractMemoryPaths';
-
+import ExtractIntentTriggers from './dialogUtils/extractIntentTriggers';
 // find out all lg templates given dialog
 function ExtractLgTemplates(id, dialog): LgTemplateJsonPath[] {
   const templates: LgTemplateJsonPath[] = [];
@@ -95,7 +95,7 @@ function ExtractLuIntents(dialog, id: string): ReferredLuIntents[] {
 
 // find out all triggers given dialog
 function ExtractTriggers(dialog): ITrigger[] {
-  const trigers: ITrigger[] = [];
+  const triggers: ITrigger[] = [];
   /**    *
    * @param path , jsonPath string
    * @param value , current node value    *
@@ -118,7 +118,7 @@ function ExtractTriggers(dialog): ITrigger[] {
           } else if (trigger.isIntent && has(rule, 'intent')) {
             trigger.displayName = rule.intent;
           }
-          trigers.push(trigger);
+          triggers.push(trigger);
         }
       });
       return true;
@@ -126,7 +126,7 @@ function ExtractTriggers(dialog): ITrigger[] {
     return false;
   };
   JsonWalk('$', dialog, visitor);
-  return trigers;
+  return triggers;
 }
 
 // find out all referred dialog
@@ -204,6 +204,7 @@ function parse(id: string, content: any, schema: any) {
     luFile: getBaseName(luFile, '.lu'),
     lgFile: getBaseName(lgFile, '.lg'),
     triggers: ExtractTriggers(content),
+    intentTriggers: ExtractIntentTriggers(content),
   };
 }
 
diff --git a/Composer/packages/lib/indexers/src/dialogUtils/extractIntentTriggers.ts b/Composer/packages/lib/indexers/src/dialogUtils/extractIntentTriggers.ts
new file mode 100644
index 0000000000..ff5e4bf01d
--- /dev/null
+++ b/Composer/packages/lib/indexers/src/dialogUtils/extractIntentTriggers.ts
@@ -0,0 +1,44 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+import { SDKTypes } from '@bfc/shared';
+
+import { VisitorFunc, JsonWalk } from '../utils/jsonWalk';
+
+import { IIntentTrigger } from './types';
+
+// find out all properties from given dialog
+function ExtractIntentTriggers(value: any): IIntentTrigger[] {
+  const triggers: IIntentTrigger[] = [];
+
+  const visitor: VisitorFunc = (path: string, value: any): boolean => {
+    if (value?.$type === SDKTypes.OnIntent) {
+      if (value.intent) {
+        const dialogs: string[] = [];
+
+        const visitor: VisitorFunc = (path: string, value: any): boolean => {
+          if (value?.$type === SDKTypes.BeginDialog) {
+            if (value.dialog) {
+              dialogs.push(value.dialog);
+            }
+            return true;
+          }
+          return false;
+        };
+        JsonWalk('$', value, visitor);
+        if (dialogs.length) {
+          triggers.push({
+            intent: value.intent,
+            dialogs,
+          });
+        }
+      }
+      return true;
+    }
+    return false;
+  };
+  JsonWalk('$', value, visitor);
+
+  return triggers;
+}
+
+export default ExtractIntentTriggers;
diff --git a/Composer/packages/lib/indexers/src/dialogUtils/types.ts b/Composer/packages/lib/indexers/src/dialogUtils/types.ts
index 4e7960f655..974ccef47f 100644
--- a/Composer/packages/lib/indexers/src/dialogUtils/types.ts
+++ b/Composer/packages/lib/indexers/src/dialogUtils/types.ts
@@ -23,4 +23,9 @@ export interface IExpressionProperties {
   };
 }
 
+export interface IIntentTrigger {
+  intent: string;
+  dialogs: string[];
+}
+
 export type CheckerFunc = (path: string, value: any, type: string, schema: any) => Diagnostic[] | null; // error msg
diff --git a/Composer/packages/lib/indexers/src/luIndexer.ts b/Composer/packages/lib/indexers/src/luIndexer.ts
index 164ea2d89c..2a17c1dae9 100644
--- a/Composer/packages/lib/indexers/src/luIndexer.ts
+++ b/Composer/packages/lib/indexers/src/luIndexer.ts
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
-import { sectionHandler } from '@bfcomposer/bf-lu/lib/parser';
+import { sectionHandler } from '@bfcomposer/bf-lu/lib/parser/composerindex';
 import get from 'lodash/get';
 import { LuIntentSection } from '@bfc/shared';
 
diff --git a/Composer/packages/lib/indexers/src/type.ts b/Composer/packages/lib/indexers/src/type.ts
index 5b47641a57..db7c525bc7 100644
--- a/Composer/packages/lib/indexers/src/type.ts
+++ b/Composer/packages/lib/indexers/src/type.ts
@@ -4,6 +4,7 @@
 import { LuIntentSection } from '@bfc/shared';
 
 import { Diagnostic } from './diagnostic';
+import { IIntentTrigger } from './dialogUtils/types';
 
 export interface FileInfo {
   name: string;
@@ -38,6 +39,7 @@ export interface DialogInfo {
   relativePath: string;
   userDefinedVariables: string[];
   triggers: ITrigger[];
+  intentTriggers: IIntentTrigger[];
 }
 
 export interface LgTemplateJsonPath {
diff --git a/Composer/packages/lib/indexers/src/types/bf-lu.d.ts b/Composer/packages/lib/indexers/src/types/bf-lu.d.ts
index 2383096793..f8df414a4c 100644
--- a/Composer/packages/lib/indexers/src/types/bf-lu.d.ts
+++ b/Composer/packages/lib/indexers/src/types/bf-lu.d.ts
@@ -1,7 +1,7 @@
 /// Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
-declare module '@bfcomposer/bf-lu/lib/parser' {
+declare module '@bfcomposer/bf-lu/lib/parser/composerindex' {
   namespace parser {
     function parseFile(fileContent: any, log: any, locale: any): any;
     function validateLUISBlob(LUISJSONBlob: any): any;
diff --git a/Composer/packages/lib/indexers/src/utils/luUtil.ts b/Composer/packages/lib/indexers/src/utils/luUtil.ts
index 0baac955ff..c4127f8b88 100644
--- a/Composer/packages/lib/indexers/src/utils/luUtil.ts
+++ b/Composer/packages/lib/indexers/src/utils/luUtil.ts
@@ -7,7 +7,7 @@
  * for more usage detail, please check client/__tests__/utils/luUtil.test.ts
  */
 
-import { sectionHandler } from '@bfcomposer/bf-lu/lib/parser';
+import { sectionHandler } from '@bfcomposer/bf-lu/lib/parser/composerindex';
 import isEmpty from 'lodash/isEmpty';
 import { LuIntentSection } from '@bfc/shared';
 
diff --git a/Composer/packages/server/__tests__/models/bot/luisPublisher.test.ts b/Composer/packages/server/__tests__/models/bot/luisPublisher.test.ts
deleted file mode 100644
index 45c32fcefe..0000000000
--- a/Composer/packages/server/__tests__/models/bot/luisPublisher.test.ts
+++ /dev/null
@@ -1,68 +0,0 @@
-// Copyright (c) Microsoft Corporation.
-// Licensed under the MIT License.
-
-import { FileUpdateType } from '../../../src/models/bot/interface';
-import { Path } from '../../../src/utility/path';
-
-import { LuPublisher } from './../../../src/models/bot/luPublisher';
-import service from './../../../src/services/storage';
-
-const botDir = Path.join(__dirname, '../../mocks/samplebots/bot1');
-const storage = service.getStorageClient('default');
-
-describe('luis status management', () => {
-  it('will get luis status', async () => {
-    const luPublisher = new LuPublisher(botDir, storage);
-    const status = await luPublisher.loadStatus(['bot1/a.lu', 'bot1/b.lu', 'bot1/Main.lu']);
-    expect(status['bot1/a.lu'].lastUpdateTime).toBe(1);
-    expect(status['bot1/a.lu'].lastPublishTime).toBe(0);
-  });
-
-  it('can update luis status', async () => {
-    const luPublisher = new LuPublisher(botDir, storage);
-
-    await luPublisher.loadStatus(['bot1/a.lu', 'bot1/b.lu', 'bot1/Main.lu']);
-    const oldUpdateTime = luPublisher.status['bot1/a.lu'].lastUpdateTime;
-
-    await luPublisher.onFileChange('bot1/a.lu', FileUpdateType.UPDATE);
-    const newUpdateTime = luPublisher.status['bot1/a.lu'].lastUpdateTime;
-    // update should increase the update time
-    expect(newUpdateTime).toBeGreaterThan(oldUpdateTime);
-  });
-});
-
-describe('get unpublishedFiles', () => {
-  it('will get unpublished files', async () => {
-    const lufiles = [
-      {
-        diagnostics: [],
-        id: 'a',
-        relativePath: 'bot1/a.lu',
-        content: '',
-        intents: [],
-      },
-      {
-        diagnostics: [],
-        id: 'b',
-        relativePath: 'bot1/b.lu',
-        content: '',
-        intents: [],
-      },
-    ];
-
-    const luPublisher = new LuPublisher(botDir, storage);
-    await luPublisher.loadStatus(['bot1/a.lu', 'bot1/b.lu']); // relative path is key
-
-    let files = luPublisher.getUnpublisedFiles(lufiles);
-    expect(files.length).toBe(2);
-    const curTime = Date.now();
-    luPublisher.status['bot1/a.lu'].lastPublishTime = curTime; // assumming we publish a.lu
-    luPublisher.status['bot1/b.lu'].lastPublishTime = curTime; // and b.lu
-    files = luPublisher.getUnpublisedFiles(lufiles);
-    expect(files.length).toBe(0);
-
-    await luPublisher.onFileChange('bot1/a.lu', FileUpdateType.UPDATE);
-    files = luPublisher.getUnpublisedFiles(lufiles);
-    expect(files.length).toBe(1);
-  });
-});
diff --git a/Composer/packages/server/package.json b/Composer/packages/server/package.json
index 08e07b6842..aab1124761 100644
--- a/Composer/packages/server/package.json
+++ b/Composer/packages/server/package.json
@@ -57,7 +57,7 @@
     "@bfc/lg-languageserver": "*",
     "@bfc/lu-languageserver": "*",
     "@bfc/shared": "*",
-    "@bfcomposer/bf-lu": "^1.2.5",
+    "@bfcomposer/bf-lu": "^1.2.9",
     "archiver": "^3.0.0",
     "axios": "^0.18.0",
     "azure-storage": "^2.10.3",
diff --git a/Composer/packages/server/src/models/bot/botProject.ts b/Composer/packages/server/src/models/bot/botProject.ts
index 22e86e5579..036b7b6d64 100644
--- a/Composer/packages/server/src/models/bot/botProject.ts
+++ b/Composer/packages/server/src/models/bot/botProject.ts
@@ -23,7 +23,7 @@ import { ISettingManager, OBFUSCATED_VALUE } from '../settings';
 import log from '../../logger';
 
 import { IFileStorage } from './../storage/interface';
-import { LocationRef, LuisStatus, FileUpdateType } from './interface';
+import { LocationRef } from './interface';
 import { LuPublisher } from './luPublisher';
 import { DialogSetting } from './interface';
 
@@ -89,7 +89,6 @@ export class BotProject {
     if (this.settings) {
       await this.luPublisher.setLuisConfig(this.settings.luis);
     }
-    await this.luPublisher.loadStatus(this.luFiles.map(f => f.relativePath));
   };
 
   public getIndexes = () => {
@@ -99,7 +98,7 @@ export class BotProject {
       location: this.dir,
       dialogs: this.dialogs,
       lgFiles: this.lgFiles,
-      luFiles: this.mergeLuStatus(this.luFiles, this.luPublisher.status),
+      luFiles: this.luFiles,
       schemas: this.getSchemas(),
       botEnvironment: this.environment.getEnvironmentName(this.name),
       settings: this.settings,
@@ -133,25 +132,6 @@ export class BotProject {
     await this.luPublisher.setLuisConfig(config.luis);
   };
 
-  // merge the status managed by luPublisher to the LuFile structure to keep a
-  // unified interface
-  private mergeLuStatus = (
-    luFiles: LuFile[],
-    luStatus: {
-      [key: string]: LuisStatus;
-    }
-  ) => {
-    return luFiles.map(x => {
-      if (!luStatus[x.relativePath]) {
-        throw new Error(`No luis status for lu file ${x.relativePath}`);
-      }
-      return {
-        ...x,
-        status: luStatus[x.relativePath],
-      };
-    });
-  };
-
   public getSchemas = () => {
     let editorSchema = this.defaultEditorSchema;
     let sdkSchema = this.defaultSDKSchema;
@@ -305,9 +285,8 @@ export class BotProject {
     }
 
     await this._updateFile(luFile.relativePath, content);
-    await this.luPublisher.onFileChange(luFile.relativePath, FileUpdateType.UPDATE);
 
-    return this.mergeLuStatus(this.luFiles, this.luPublisher.status);
+    return this.luFiles;
   };
 
   public createLuFile = async (id: string, content: string, dir: string = this.defaultDir(id)): Promise<LuFile[]> => {
@@ -319,8 +298,7 @@ export class BotProject {
 
     // TODO: validate before save
     await this._createFile(relativePath, content);
-    await this.luPublisher.onFileChange(relativePath, FileUpdateType.CREATE); // let publisher know that some files changed
-    return this.mergeLuStatus(this.luFiles, this.luPublisher.status); // return a merged LUFile always
+    return this.luFiles; // return a merged LUFile always
   };
 
   public removeLuFile = async (id: string): Promise<LuFile[]> => {
@@ -331,41 +309,31 @@ export class BotProject {
 
     await this._removeFile(luFile.relativePath);
 
-    await this.luPublisher.onFileChange(luFile.relativePath, FileUpdateType.DELETE);
     await this._cleanUp(luFile.relativePath);
-    return this.mergeLuStatus(this.luFiles, this.luPublisher.status);
+    return this.luFiles;
   };
 
   public publishLuis = async (authoringKey: string) => {
     this.luPublisher.setAuthoringKey(authoringKey);
     const referred = this.luFiles.filter(this.isReferred);
-    const unpublished = this.luPublisher.getUnpublisedFiles(referred);
 
-    const invalidLuFile = unpublished.filter(file => file.diagnostics.length !== 0);
+    const invalidLuFile = referred.filter(file => file.diagnostics.length !== 0);
     if (invalidLuFile.length !== 0) {
       const msg = this.generateErrorMessage(invalidLuFile);
       throw new Error(`The Following LuFile(s) are invalid: \n` + msg);
     }
-    const emptyLuFiles = unpublished.filter(this.isLuFileEmpty);
+    const emptyLuFiles = referred.filter(this.isLuFileEmpty);
     if (emptyLuFiles.length !== 0) {
       const msg = emptyLuFiles.map(file => file.id).join(' ');
       throw new Error(`You have the following empty LuFile(s): ` + msg);
     }
 
-    if (unpublished.length > 0) {
-      await this.luPublisher.publish(unpublished);
+    if (referred.length > 0) {
+      this.luPublisher.createCrossTrainConfig(this.dialogs, referred);
+      await this.luPublisher.publish(referred);
     }
 
-    return this.mergeLuStatus(this.luFiles, this.luPublisher.status);
-  };
-
-  public checkLuisPublished = () => {
-    const referredLuFiles = this.luFiles.filter(this.isReferred);
-    if (referredLuFiles.length <= 0) {
-      return true;
-    } else {
-      return this.luPublisher.checkLuisPublised(referredLuFiles);
-    }
+    return this.luFiles;
   };
 
   public cloneFiles = async (locationRef: LocationRef): Promise<LocationRef> => {
@@ -522,7 +490,7 @@ export class BotProject {
       // load only from the data dir, otherwise may get "build" versions from
       // deployment process
       const root = this.dataDir;
-      const paths = await this.fileStorage.glob(pattern, root);
+      const paths = await this.fileStorage.glob([pattern, '!(generated/**)'], root);
 
       for (const filePath of paths.sort()) {
         const realFilePath: string = Path.join(root, filePath);
diff --git a/Composer/packages/server/src/models/bot/interface.ts b/Composer/packages/server/src/models/bot/interface.ts
index 92c75875fd..4cfa754c16 100644
--- a/Composer/packages/server/src/models/bot/interface.ts
+++ b/Composer/packages/server/src/models/bot/interface.ts
@@ -14,11 +14,6 @@ export interface ILuisSettings {
   };
 }
 
-export interface LuisStatus {
-  lastUpdateTime: number;
-  lastPublishTime: number;
-}
-
 // we will probably also use this interface to consolidate the processing of lu\lg\dialog
 export enum FileUpdateType {
   CREATE = 'create',
@@ -40,8 +35,6 @@ export interface IOperationLUFile {
   relativePath?: string;
   content?: string;
   intents: [];
-  lastUpdateTime?: number;
-  lastPublishTime?: number;
   [key: string]: any;
 }
 
diff --git a/Composer/packages/server/src/models/bot/luPublisher.ts b/Composer/packages/server/src/models/bot/luPublisher.ts
index 12fcc28a09..67c589a260 100644
--- a/Composer/packages/server/src/models/bot/luPublisher.ts
+++ b/Composer/packages/server/src/models/bot/luPublisher.ts
@@ -2,30 +2,43 @@
 // Licensed under the MIT License.
 
 import isEqual from 'lodash/isEqual';
-import { luBuild } from '@bfcomposer/bf-lu/lib/parser/lubuild';
-import { LuFile } from '@bfc/indexers';
+import keys from 'lodash/keys';
+import { LuFile, DialogInfo } from '@bfc/indexers';
 
 import { Path } from './../../utility/path';
 import { IFileStorage } from './../storage/interface';
-import { ILuisConfig, LuisStatus, FileUpdateType } from './interface';
+import { ILuisConfig } from './interface';
 import log from './../../logger';
 
-const GENERATEDFOLDER = 'ComposerDialogs/generated';
-const LU_STATUS_FILE = 'luis.status.json';
-const DEFAULT_STATUS = {
-  lastUpdateTime: 1,
-  lastPublishTime: 0, // means unpublished
-};
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const crossTrainer = require('@bfcomposer/bf-lu/lib/parser/cross-train/crossTrainer.js');
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const luBuild = require('@bfcomposer/bf-lu/lib/parser/lubuild/builder.js');
+
+const DIALOGS_FOLDER = 'ComposerDialogs';
+const GENERATEDFOLDER = 'generated';
+const INTERUPTION = 'interuption';
+
+interface ICrossTrainConfig {
+  rootIds: string[];
+  triggerRules: { [key: string]: any };
+  intentName: string;
+  verbose: boolean;
+}
+
 export class LuPublisher {
   public botDir: string;
+  public dialogsDir: string;
   public generatedFolderPath: string;
-  public statusFile: string;
+  public interuptionFolderPath: string;
   public storage: IFileStorage;
   public config: ILuisConfig | null = null;
-
-  // key: filePath relative to bot dir
-  // value: lastUpdateTime && lastPublishTime
-  public status: { [key: string]: LuisStatus } = {};
+  public crossTrainMapRule: ICrossTrainConfig = {
+    rootIds: [],
+    triggerRules: {},
+    intentName: '_Interruption',
+    verbose: true,
+  };
 
   private builder = new luBuild.Builder(message => {
     log(message);
@@ -33,159 +46,221 @@ export class LuPublisher {
 
   constructor(path: string, storage: IFileStorage) {
     this.botDir = path;
-    this.generatedFolderPath = Path.join(this.botDir, GENERATEDFOLDER);
-    this.statusFile = Path.join(this.generatedFolderPath, LU_STATUS_FILE);
+    this.dialogsDir = Path.join(this.botDir, DIALOGS_FOLDER);
+    this.generatedFolderPath = Path.join(this.dialogsDir, GENERATEDFOLDER);
+    this.interuptionFolderPath = Path.join(this.generatedFolderPath, INTERUPTION);
     this.storage = storage;
   }
 
-  // load luis status from luis.status.json
-  public loadStatus = async (files: string[] = []) => {
-    if (await this.storage.exists(this.statusFile)) {
-      const content = await this.storage.readFile(this.statusFile);
-      this.status = JSON.parse(content);
-    }
+  public publish = async (luFiles: LuFile[]) => {
+    try {
+      await this._createGeneratedDir();
 
-    // make sure all LU file have an initial value
-    files.forEach(f => {
-      if (!this.status[f]) {
-        this.status[f] = { ...DEFAULT_STATUS }; // use ... ensure don't referred to the same object
-      }
-    });
-    return this.status;
-  };
+      //do cross train before publish
+      await this._crossTrain(luFiles);
+
+      await this._runBuild(luFiles);
 
-  // reset status when config changed, because status don't represent the current config
-  public resetStatus = () => {
-    for (const key in this.status) {
-      this.status[key] = { ...DEFAULT_STATUS };
+      //remove the cross train result
+      await this._cleanCrossTrain();
+    } catch (error) {
+      throw new Error(error.message ?? error.text ?? 'Error publishing to LUIS.');
     }
   };
 
-  public saveStatus = async () => {
-    if (!(await this.storage.exists(this.generatedFolderPath))) {
-      await this.storage.mkDir(this.generatedFolderPath);
+  public getLuisConfig = () => this.config;
+
+  public setLuisConfig = async (config: ILuisConfig) => {
+    if (!isEqual(config, this.config)) {
+      this.config = config;
+      await this._deleteDir(this.generatedFolderPath);
     }
-    await this.storage.writeFile(this.statusFile, JSON.stringify(this.status, null, 2));
   };
 
-  public onFileChange = async (relativePath: string, type: FileUpdateType) => {
-    switch (type) {
-      case FileUpdateType.CREATE:
-        this.status[relativePath] = {
-          lastUpdateTime: Date.now(),
-          lastPublishTime: 0, // unpublished
-        };
-        break;
-      case FileUpdateType.UPDATE:
-        this.status[relativePath].lastUpdateTime = Date.now();
-        break;
-      case FileUpdateType.DELETE:
-        delete this.status[relativePath];
-        break;
+  public setAuthoringKey = (key: string) => {
+    if (this.config) {
+      this.config.authoringKey = key;
     }
-    await this.saveStatus();
   };
 
-  public publish = async (luFiles: LuFile[]) => {
-    if (!luFiles.length) {
-      throw new Error('No luis file exist');
-    }
-    const config = this._getConfig();
-    const curTime = Date.now();
-    try {
-      const loadResult = await this._loadLuConatents(luFiles);
-      const buildResult = await this.builder.build(
-        loadResult.luContents,
-        loadResult.recognizers,
-        config.authoringKey,
-        config.region,
-        config.botName,
-        config.suffix,
-        config.fallbackLocal,
-        false,
-        loadResult.multiRecognizers,
-        loadResult.settings
-      );
-
-      // update pubish status after sucessfully published
-      luFiles.forEach(f => {
-        this.status[f.relativePath].lastPublishTime = curTime;
-      });
-      await this.saveStatus();
-      await this.builder.writeDialogAssets(buildResult, true, this.generatedFolderPath);
-    } catch (error) {
-      throw new Error(error.body?.error?.message || error.message || 'Error publishing to LUIS.');
+  //generate the cross-train config
+  /* the config is like
+  {
+      rootIds: [
+        'main.lu',
+        'main.fr-fr.lu'
+      ],
+      triggerRules: {
+        'main.lu': {
+          'dia1.lu': 'dia1_trigger',
+          'dia2.lu': 'dia2_trigger'
+        },
+        'dia2.lu': {
+          'dia3.lu': 'dia3_trigger',
+          'dia4.lu': 'dia4_trigger'
+        },
+        'main.fr-fr.lu': {
+          'dia1.fr-fr.lu': 'dia1_trigger'
+        }
+      },
+      intentName: '_Interruption',
+      verbose: true
     }
-  };
+  */
+  public createCrossTrainConfig = (dialogs: DialogInfo[], luFiles: LuFile[]) => {
+    const triggerRules = {};
+    const countMap = {};
 
-  public getUnpublisedFiles = (files: LuFile[]) => {
-    // unpublished means either
-    // 1. there is no status tracking
-    // 2. the status shows that lastPublishTime < lastUpdateTime
-    return files.filter(f => {
-      return (
-        !this.status[f.relativePath] ||
-        this.status[f.relativePath].lastPublishTime <= this.status[f.relativePath].lastUpdateTime
-      );
+    //map all referred lu files
+    luFiles.forEach(file => {
+      countMap[file.id] = 0;
     });
-  };
 
-  public checkLuisPublised = (files: LuFile[]) => {
-    const unpublished = this.getUnpublisedFiles(files);
-    return unpublished.length === 0;
+    dialogs.forEach(dialog => {
+      const { intentTriggers } = dialog;
+      const fileId = this._createConfigId(dialog.id);
+      if (intentTriggers.length) {
+        //find the trigger's dialog that use a recognizer
+        intentTriggers.forEach(item => {
+          const used = item.dialogs.filter(dialog => {
+            if (typeof countMap[dialog] === 'number') {
+              countMap[dialog]++;
+              return true;
+            }
+            return false;
+          });
+          if (used.length) {
+            const result = used.reduce((result, temp) => {
+              const id = this._createConfigId(temp);
+              result[id] = item.intent;
+              return result;
+            }, {});
+            triggerRules[fileId] = { ...triggerRules[fileId], ...result };
+          }
+        });
+      }
+    });
+
+    this.crossTrainMapRule.rootIds = keys(countMap)
+      .filter(key => (countMap[key] === 0 || key === 'Main') && triggerRules[this._createConfigId(key)])
+      .map(item => this._createConfigId(item));
+    this.crossTrainMapRule.triggerRules = triggerRules;
   };
 
-  public getLuisConfig = () => this.config;
+  private _createConfigId(fileId) {
+    return `${fileId}.lu`;
+  }
 
-  public setLuisConfig = async (config: ILuisConfig) => {
-    if (!isEqual(config, this.config)) {
-      this.config = config;
-      await this._deleteGenerated(this.generatedFolderPath);
-      this.resetStatus();
+  private async _createGeneratedDir() {
+    if (!(await this.storage.exists(this.generatedFolderPath))) {
+      await this.storage.mkDir(this.generatedFolderPath);
     }
-  };
+  }
 
-  public setAuthoringKey = (key: string) => {
-    if (this.config) {
-      this.config.authoringKey = key;
+  private _needCrossTrain() {
+    return !!this.crossTrainMapRule.rootIds.length;
+  }
+
+  private async _crossTrain(luFiles: LuFile[]) {
+    if (!this._needCrossTrain()) return;
+    const luContents = luFiles.map(file => {
+      return { content: file.content, id: this._createConfigId(file.id) };
+    });
+
+    const result = await crossTrainer.crossTrain(luContents, [], this.crossTrainMapRule);
+
+    await this._writeFiles(result.luResult);
+  }
+
+  private async _writeFiles(crossTrainResult) {
+    if (!(await this.storage.exists(this.interuptionFolderPath))) {
+      await this.storage.mkDir(this.interuptionFolderPath);
     }
-  };
+    for (const key of crossTrainResult.keys()) {
+      const fileName = Path.basename(key);
+      const newFileId = Path.join(this.interuptionFolderPath, fileName);
+      await this.storage.writeFile(newFileId, crossTrainResult.get(key).Content);
+    }
+  }
+
+  private async _runBuild(luFiles: LuFile[]) {
+    const config = await this._getConfig(luFiles);
+    if (config.models.length === 0) {
+      throw new Error('No luis file exist');
+    }
+    const loadResult = await this._loadLuConatents(config.models);
+    const buildResult = await this.builder.build(
+      loadResult.luContents,
+      loadResult.recognizers,
+      config.authoringKey,
+      config.region,
+      config.botName,
+      config.suffix,
+      config.fallbackLocal,
+      false,
+      loadResult.multiRecognizers,
+      loadResult.settings
+    );
+    await this.builder.writeDialogAssets(buildResult, true, this.generatedFolderPath);
+  }
+
   //delete files in generated folder
-  private async _deleteGenerated(path: string) {
+  private async _deleteDir(path: string) {
     if (await this.storage.exists(path)) {
       const files = await this.storage.readDir(path);
       for (const file of files) {
         const curPath = Path.join(path, file);
         if ((await this.storage.stat(curPath)).isDir) {
-          await this._deleteGenerated(curPath);
+          await this._deleteDir(curPath);
         } else {
           await this.storage.removeFile(curPath);
         }
       }
+      await this.storage.rmDir(path);
     }
   }
 
-  private _getConfig = () => {
-    const luConfig = {
-      authoringKey: this.config?.authoringKey || '',
-      region: this.config?.authoringRegion || '',
-      botName: this.config?.name || '',
-      suffix: this.config?.environment || '',
-      fallbackLocal: this.config?.defaultLanguage || 'en-us',
+  private _getConfig = async (luFiles: LuFile[]) => {
+    if (!this.config) {
+      throw new Error('Please complete your Luis settings');
+    }
+
+    const luConfig: any = {
+      authoringKey: this.config.authoringKey || '',
+      region: this.config.authoringRegion || '',
+      botName: this.config.name || '',
+      suffix: this.config.environment || '',
+      fallbackLocal: this.config.defaultLanguage || 'en-us',
     };
-    return luConfig;
-  };
 
-  private _loadLuConatents = async (luFiles: LuFile[]) => {
-    const pathList = luFiles.map(file => {
-      return Path.resolve(this.botDir, file.relativePath);
+    luConfig.models = [];
+    //add all lu file after cross train
+    let paths: string[] = [];
+    if (this._needCrossTrain()) {
+      paths = await this.storage.glob('**/*.lu', this.interuptionFolderPath);
+      luConfig.models = paths.map(filePath => Path.join(this.interuptionFolderPath, filePath));
+    }
+
+    //add the lu file that are not in interuption folder.
+    luFiles.forEach(file => {
+      if (!~paths.indexOf(`${file.id}.lu`)) {
+        luConfig.models.push(Path.resolve(this.botDir, file.relativePath));
+      }
     });
+    return luConfig;
+  };
 
+  private _loadLuConatents = async (paths: string[]) => {
     return await this.builder.loadContents(
-      pathList,
+      paths,
       this.config?.defaultLanguage || '',
       this.config?.environment || '',
       this.config?.authoringRegion || ''
     );
   };
+
+  private async _cleanCrossTrain() {
+    if (!this._needCrossTrain()) return;
+    await this._deleteDir(this.interuptionFolderPath);
+  }
 }
diff --git a/Composer/packages/server/src/models/storage/interface.ts b/Composer/packages/server/src/models/storage/interface.ts
index bfefa3b4cc..6c5077b589 100644
--- a/Composer/packages/server/src/models/storage/interface.ts
+++ b/Composer/packages/server/src/models/storage/interface.ts
@@ -28,7 +28,7 @@ export interface IFileStorage {
   removeFile(path: string): Promise<void>;
   mkDir(path: string, options?: MakeDirectoryOptions): Promise<void>;
   rmDir(path: string): Promise<void>;
-  glob(pattern: string, path: string): Promise<string[]>;
+  glob(pattern: string | string[], path: string): Promise<string[]>;
   copyFile(src: string, dest: string): Promise<void>;
   rename(oldPath: string, newPath: string): Promise<void>;
 }
diff --git a/Composer/packages/server/src/models/storage/localDiskStorage.ts b/Composer/packages/server/src/models/storage/localDiskStorage.ts
index 72bc116d0e..9213486128 100644
--- a/Composer/packages/server/src/models/storage/localDiskStorage.ts
+++ b/Composer/packages/server/src/models/storage/localDiskStorage.ts
@@ -63,7 +63,7 @@ export class LocalDiskStorage implements IFileStorage {
     await rmDir(path);
   }
 
-  async glob(pattern: string, path: string): Promise<string[]> {
+  async glob(pattern: string | string[], path: string): Promise<string[]> {
     return await glob(pattern, { cwd: path, dot: true });
   }
 
diff --git a/Composer/packages/server/src/types/bf-lu.d.ts b/Composer/packages/server/src/types/bf-lu.d.ts
deleted file mode 100644
index 1eff54c908..0000000000
--- a/Composer/packages/server/src/types/bf-lu.d.ts
+++ /dev/null
@@ -1,35 +0,0 @@
-/// Copyright (c) Microsoft Corporation.
-// Licensed under the MIT License.
-
-declare module '@bfcomposer/bf-lu/lib/parser/lubuild' {
-  namespace luBuild {
-    class Builder {
-      private readonly handler: (input: string) => any;
-
-      constructor(handler: any);
-
-      loadContents(
-        files: string[],
-        culture: string,
-        suffix: string,
-        region: string,
-        stdin?: string
-      ): { luContents: any[]; recognizers: Map<string, any>; multiRecognizers: Map<string, any>; settings: any };
-
-      build(
-        luContents: any[],
-        recognizers: Map<string, any>,
-        authoringKey: string,
-        region: string,
-        botName: string,
-        suffix: string,
-        fallbackLocale: string,
-        deleteOldVersion: boolean,
-        multiRecognizers: Map<string, any>,
-        settings: any
-      ): any[];
-
-      writeDialogAssets(contents: any[], force: boolean, out: string): void;
-    }
-  }
-}
diff --git a/Composer/packages/tools/language-servers/language-understanding/package.json b/Composer/packages/tools/language-servers/language-understanding/package.json
index 02bc7a28fa..f74756c548 100644
--- a/Composer/packages/tools/language-servers/language-understanding/package.json
+++ b/Composer/packages/tools/language-servers/language-understanding/package.json
@@ -18,8 +18,8 @@
         "start:server": "cd demo && ts-node ./src/server.ts"
     },
     "dependencies": {
-        "@microsoft/bf-cli-command": "https://botbuilder.myget.org/F/botbuilder-declarative/npm/@microsoft/bf-cli-command/-/@microsoft/bf-cli-command-1.0.0.tgz",
-        "@bfcomposer/bf-lu": "^1.2.5",
+        "@microsoft/bf-cli-command": "https://botbuilder.myget.org/F/botbuilder-declarative/npm/@microsoft/bf-cli-command/-/@microsoft/bf-cli-command-1.0.1.tgz",
+        "@bfcomposer/bf-lu": "^1.2.9",
         "@types/node": "^12.0.4",
         "express": "^4.15.2",
         "monaco-editor-core": "^0.17.0",
diff --git a/Composer/yarn.lock b/Composer/yarn.lock
index 3f746b86fe..262a651ef3 100644
--- a/Composer/yarn.lock
+++ b/Composer/yarn.lock
@@ -2120,17 +2120,13 @@
     lodash "^4.17.13"
     to-fast-properties "^2.0.0"
 
-"@bfcomposer/bf-lu@^1.2.5":
-  version "1.2.5"
-  resolved "https://botbuilder.myget.org/F/botbuilder-declarative/npm/@bfcomposer/bf-lu/-/@bfcomposer/bf-lu-1.2.5.tgz#4d3707746518d013e19aa6f26467c94342874459"
-  integrity sha1-TTcHdGUY0BPhmqbyZGfJQ0KHRFk=
+"@bfcomposer/bf-lu@^1.2.9":
+  version "1.2.9"
+  resolved "https://botbuilder.myget.org/F/botbuilder-declarative/npm/@bfcomposer/bf-lu/-/@bfcomposer/bf-lu-1.2.9.tgz#b2fec0d8f1c3d4d0e526a5bdbf9e5c9b3ab5b71d"
+  integrity sha1-sv7A2PHD1NDlJqW9v55cmzq1tx0=
   dependencies:
     "@azure/cognitiveservices-luis-authoring" "3.0.1"
     "@azure/ms-rest-azure-js" "2.0.1"
-    "@microsoft/bf-cli-command" "1.0.0"
-    "@oclif/command" "~1.5.19"
-    "@oclif/config" "~1.13.3"
-    "@oclif/errors" "~1.2.2"
     antlr4 "^4.7.2"
     chalk "2.4.1"
     console-stream "^0.1.1"
@@ -2138,6 +2134,7 @@
     delay "^4.3.0"
     fs-extra "^8.1.0"
     get-stdin "^6.0.0"
+    globby "^10.0.1"
     intercept-stdout "^0.1.2"
     lodash "^4.17.15"
     node-fetch "^2.1.2"
@@ -2724,19 +2721,19 @@
     "@types/istanbul-reports" "^1.1.1"
     "@types/yargs" "^13.0.0"
 
-"@microsoft/bf-cli-command@1.0.0", "@microsoft/bf-cli-command@https://botbuilder.myget.org/F/botbuilder-declarative/npm/@microsoft/bf-cli-command/-/@microsoft/bf-cli-command-1.0.0.tgz":
-  version "1.0.0"
-  resolved "https://botbuilder.myget.org/F/botbuilder-declarative/npm/@microsoft/bf-cli-command/-/@microsoft/bf-cli-command-1.0.0.tgz#0d681e93690c4e872bf1181a3ff02f094830929e"
-  integrity sha1-DWgek2kMTocr8RgaP/AvCUgwkp4=
+"@microsoft/bf-cli-command@https://botbuilder.myget.org/F/botbuilder-declarative/npm/@microsoft/bf-cli-command/-/@microsoft/bf-cli-command-1.0.1.tgz":
+  version "1.0.1"
+  resolved "https://botbuilder.myget.org/F/botbuilder-declarative/npm/@microsoft/bf-cli-command/-/@microsoft/bf-cli-command-1.0.1.tgz#5c7f650015f839d80a7739bc70f8cd5fa90a1e48"
   dependencies:
-    "@oclif/command" "~1.5.13"
-    "@oclif/config" "~1.12.12"
+    "@oclif/command" "~1.5.19"
+    "@oclif/config" "~1.13.3"
     "@oclif/errors" "~1.2.2"
     applicationinsights "^1.0.8"
     chalk "2.4.1"
     cli-ux "~4.9.3"
     debug "^4.1.1"
     fs-extra "^7.0.1"
+    tslib "~1.10.0"
 
 "@microsoft/load-themed-styles@^1.7.13":
   version "1.9.5"
@@ -2756,15 +2753,36 @@
     call-me-maybe "^1.0.1"
     glob-to-regexp "^0.3.0"
 
+"@nodelib/fs.scandir@2.1.3":
+  version "2.1.3"
+  resolved "https://registry.yarnpkg.com/@nodelib/fs.scandir/-/fs.scandir-2.1.3.tgz#3a582bdb53804c6ba6d146579c46e52130cf4a3b"
+  integrity sha512-eGmwYQn3gxo4r7jdQnkrrN6bY478C3P+a/y72IJukF8LjB6ZHeB3c+Ehacj3sYeSmUXGlnA67/PmbM9CVwL7Dw==
+  dependencies:
+    "@nodelib/fs.stat" "2.0.3"
+    run-parallel "^1.1.9"
+
+"@nodelib/fs.stat@2.0.3", "@nodelib/fs.stat@^2.0.2":
+  version "2.0.3"
+  resolved "https://registry.yarnpkg.com/@nodelib/fs.stat/-/fs.stat-2.0.3.tgz#34dc5f4cabbc720f4e60f75a747e7ecd6c175bd3"
+  integrity sha512-bQBFruR2TAwoevBEd/NWMoAAtNGzTRgdrqnYCc7dhzfoNvqPzLyqlEQnzZ3kVnNrSp25iyxE00/3h2fqGAGArA==
+
 "@nodelib/fs.stat@^1.1.2":
   version "1.1.3"
   resolved "https://registry.yarnpkg.com/@nodelib/fs.stat/-/fs.stat-1.1.3.tgz#2b5a3ab3f918cca48a8c754c08168e3f03eba61b"
   integrity sha512-shAmDyaQC4H92APFoIaVDHCx5bStIocgvbwQyxPRrbUY20V1EYTbSDchWbuwlMG3V17cprZhA6+78JfB+3DTPw==
 
-"@oclif/command@^1.5.13", "@oclif/command@~1.5.13", "@oclif/command@~1.5.19":
+"@nodelib/fs.walk@^1.2.3":
+  version "1.2.4"
+  resolved "https://registry.yarnpkg.com/@nodelib/fs.walk/-/fs.walk-1.2.4.tgz#011b9202a70a6366e436ca5c065844528ab04976"
+  integrity sha512-1V9XOY4rDW0rehzbrcqAmHnz8e7SKvX27gh8Gt2WgB0+pdzdiLV83p72kZPU+jvMbS1qU5mauP2iOvO8rhmurQ==
+  dependencies:
+    "@nodelib/fs.scandir" "2.1.3"
+    fastq "^1.6.0"
+
+"@oclif/command@^1.5.13", "@oclif/command@~1.5.19":
   version "1.5.19"
-  resolved "https://botbuilder.myget.org/F/botbuilder-declarative/npm/@oclif/command/-/@oclif/command-1.5.19.tgz#13f472450eb83bd6c6871a164c03eadb5e1a07ed"
-  integrity sha1-E/RyRQ64O9bGhxoWTAPq214aB+0=
+  resolved "https://registry.yarnpkg.com/@oclif/command/-/command-1.5.19.tgz#13f472450eb83bd6c6871a164c03eadb5e1a07ed"
+  integrity sha512-6+iaCMh/JXJaB2QWikqvGE9//wLEVYYwZd5sud8aLoLKog1Q75naZh2vlGVtg5Mq/NqpqGQvdIjJb3Bm+64AUQ==
   dependencies:
     "@oclif/config" "^1"
     "@oclif/errors" "^1.2.2"
@@ -2782,14 +2800,6 @@
     debug "^4.1.1"
     tslib "^1.9.3"
 
-"@oclif/config@~1.12.12":
-  version "1.12.12"
-  resolved "https://botbuilder.myget.org/F/botbuilder-declarative/npm/@oclif/config/-/@oclif/config-1.12.12.tgz#09e6628fe454214bbd7630ae18d2bee0db6bd533"
-  integrity sha1-CeZij+RUIUu9djCuGNK+4Ntr1TM=
-  dependencies:
-    debug "^4.1.1"
-    tslib "^1.9.3"
-
 "@oclif/errors@^1.2.2", "@oclif/errors@~1.2.2":
   version "1.2.2"
   resolved "https://botbuilder.myget.org/F/botbuilder-declarative/npm/@oclif/errors/-/@oclif/errors-1.2.2.tgz#9d8f269b15f13d70aa93316fed7bebc24688edc2"
@@ -4272,6 +4282,11 @@ array-union@^1.0.1, array-union@^1.0.2:
   dependencies:
     array-uniq "^1.0.1"
 
+array-union@^2.1.0:
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/array-union/-/array-union-2.1.0.tgz#b798420adbeb1de828d84acd8a2e23d3efe85e8d"
+  integrity sha512-HGyxoOTYUyCM6stUe6EJgnd4EoewAI7zMdfqO+kGjnlZmBDz/cR5pf8r/cR4Wq60sL/p0IkcjUEEPwS3GFrIyw==
+
 array-uniq@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/array-uniq/-/array-uniq-1.0.3.tgz#af6ac877a25cc7f74e058894753858dfdb24fdb6"
@@ -7395,6 +7410,13 @@ dir-glob@^2.2.1:
   dependencies:
     path-type "^3.0.0"
 
+dir-glob@^3.0.1:
+  version "3.0.1"
+  resolved "https://registry.yarnpkg.com/dir-glob/-/dir-glob-3.0.1.tgz#56dbf73d992a4a93ba1584f4534063fd2e41717f"
+  integrity sha512-WkrWp9GR4KXfKGYzOLmTuGVi1UWFfws377n9cc55/tb6DuqyF6pcQ5AbiHEshaDpY9v6oaSr2XCDidGmMwdzIA==
+  dependencies:
+    path-type "^4.0.0"
+
 dns-equal@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/dns-equal/-/dns-equal-1.0.0.tgz#b39e7f1da6eb0a75ba9c17324b34753c47e0654d"
@@ -8335,6 +8357,18 @@ fast-glob@^2.0.2, fast-glob@^2.2.6:
     merge2 "^1.2.3"
     micromatch "^3.1.10"
 
+fast-glob@^3.0.3:
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/fast-glob/-/fast-glob-3.2.2.tgz#ade1a9d91148965d4bf7c51f72e1ca662d32e63d"
+  integrity sha512-UDV82o4uQyljznxwMxyVRJgZZt3O5wENYojjzbaGEGZgeOxkLFf+V4cnUD+krzb2F72E18RhamkMZ7AdeggF7A==
+  dependencies:
+    "@nodelib/fs.stat" "^2.0.2"
+    "@nodelib/fs.walk" "^1.2.3"
+    glob-parent "^5.1.0"
+    merge2 "^1.3.0"
+    micromatch "^4.0.2"
+    picomatch "^2.2.1"
+
 fast-json-stable-stringify@2.x, fast-json-stable-stringify@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz#d5142c0caee6b1189f87d3a76111064f86c8bbf2"
@@ -8345,6 +8379,13 @@ fast-levenshtein@~2.0.4, fast-levenshtein@~2.0.6:
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
   integrity sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=
 
+fastq@^1.6.0:
+  version "1.6.1"
+  resolved "https://registry.yarnpkg.com/fastq/-/fastq-1.6.1.tgz#4570c74f2ded173e71cf0beb08ac70bb85826791"
+  integrity sha512-mpIH5sKYueh3YyeJwqtVo8sORi0CgtmkVbK6kZStpQlZBYQuTzG2CZ7idSiJuA7bY0SFCWUc5WIs+oYumGCQNw==
+  dependencies:
+    reusify "^1.0.4"
+
 faye-websocket@^0.10.0:
   version "0.10.0"
   resolved "https://registry.yarnpkg.com/faye-websocket/-/faye-websocket-0.10.0.tgz#4e492f8d04dfb6f89003507f6edbf2d501e7c6f4"
@@ -8944,7 +8985,7 @@ glob-parent@^3.1.0:
     is-glob "^3.1.0"
     path-dirname "^1.0.0"
 
-glob-parent@^5.0.0:
+glob-parent@^5.0.0, glob-parent@^5.1.0:
   version "5.1.0"
   resolved "https://registry.yarnpkg.com/glob-parent/-/glob-parent-5.1.0.tgz#5f4c1d1e748d30cd73ad2944b3577a81b081e8c2"
   integrity sha512-qjtRgnIVmOfnKUE3NJAQEdk+lKrxfw8t5ke7SXtfMTHcjsBfOfWXCQfdb30zfDoZQ2IRSIiidmjtbHZPZ++Ihw==
@@ -9091,6 +9132,20 @@ globby@8.0.2:
     pify "^3.0.0"
     slash "^1.0.0"
 
+globby@^10.0.1:
+  version "10.0.2"
+  resolved "https://registry.yarnpkg.com/globby/-/globby-10.0.2.tgz#277593e745acaa4646c3ab411289ec47a0392543"
+  integrity sha512-7dUi7RvCoT/xast/o/dLN53oqND4yk0nsHkhRgn9w65C4PofCLOoJ39iSOg+qVDdWQPIEj+eszMHQ+aLVwwQSg==
+  dependencies:
+    "@types/glob" "^7.1.1"
+    array-union "^2.1.0"
+    dir-glob "^3.0.1"
+    fast-glob "^3.0.3"
+    glob "^7.1.3"
+    ignore "^5.1.1"
+    merge2 "^1.2.3"
+    slash "^3.0.0"
+
 globby@^6.1.0:
   version "6.1.0"
   resolved "https://registry.yarnpkg.com/globby/-/globby-6.1.0.tgz#f5a6d70e8395e21c858fb0489d64df02424d506c"
@@ -9647,6 +9702,11 @@ ignore@^4.0.3, ignore@^4.0.6:
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-4.0.6.tgz#750e3db5862087b4737ebac8207ffd1ef27b25fc"
   integrity sha512-cyFDKrqc/YdcWFniJhzI42+AzS+gNwmUzOSFcRCQYwySuBBBy/KjuxWLZ/FHEH6Moq1NizMOBWyTcv8O4OZIMg==
 
+ignore@^5.1.1:
+  version "5.1.4"
+  resolved "https://registry.yarnpkg.com/ignore/-/ignore-5.1.4.tgz#84b7b3dbe64552b6ef0eca99f6743dbec6d97adf"
+  integrity sha512-MzbUSahkTW1u7JpKKjY7LCARd1fU5W2rLdxlM4kdkayuCwZImjkpluF9CM1aLewYJguPDqewLam18Y6AU69A8A==
+
 immer@1.10.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/immer/-/immer-1.10.0.tgz#bad67605ba9c810275d91e1c2a47d4582e98286d"
@@ -11817,6 +11877,11 @@ merge2@^1.2.3:
   resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.2.3.tgz#7ee99dbd69bb6481689253f018488a1b902b0ed5"
   integrity sha512-gdUU1Fwj5ep4kplwcmftruWofEFt6lfpkkr3h860CXbAB9c3hGb55EOL2ali0Td5oebvW0E1+3Sr+Ur7XfKpRA==
 
+merge2@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.3.0.tgz#5b366ee83b2f1582c48f87e47cf1a9352103ca81"
+  integrity sha512-2j4DAdlBOkiSZIsaXk4mTE3sRS02yBHAtfy127xRV3bQUFqXkjHCHLW6Scv7DwNRbIWNHH8zpnz9zMaKXIdvYw==
+
 methods@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/methods/-/methods-1.1.2.tgz#5529a4d67654134edcc5266656835b0f851afcee"
@@ -11846,7 +11911,7 @@ micromatch@^3.0.4, micromatch@^3.1.10, micromatch@^3.1.4, micromatch@^3.1.8:
     snapdragon "^0.8.1"
     to-regex "^3.0.2"
 
-micromatch@^4.0.0:
+micromatch@^4.0.0, micromatch@^4.0.2:
   version "4.0.2"
   resolved "https://registry.yarnpkg.com/micromatch/-/micromatch-4.0.2.tgz#4fcb0999bf9fbc2fcbdd212f6d629b9a56c39259"
   integrity sha512-y7FpHSbMUMoyPbYUSzO6PaZ6FyRnQOpHuKwbo1G+Knck95XVU4QAiKdGEnj5wwoS7PlOgthX/09u5iFJ+aYf5Q==
@@ -13178,6 +13243,11 @@ path-type@^3.0.0:
   dependencies:
     pify "^3.0.0"
 
+path-type@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/path-type/-/path-type-4.0.0.tgz#84ed01c0a7ba380afe09d90a8c180dcd9d03043b"
+  integrity sha512-gDKb8aZMDeD/tZWs9P6+q0J9Mwkdl6xMV8TjnGP3qJVJ06bdMgkbBlLU8IdfOsIsFz2BW1rNVT3XuNEl8zPAvw==
+
 pbkdf2@^3.0.3:
   version "3.0.17"
   resolved "https://registry.yarnpkg.com/pbkdf2/-/pbkdf2-3.0.17.tgz#976c206530617b14ebb32114239f7b09336e93a6"
@@ -13209,6 +13279,11 @@ picomatch@^2.0.5:
   resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.0.7.tgz#514169d8c7cd0bdbeecc8a2609e34a7163de69f6"
   integrity sha512-oLHIdio3tZ0qH76NybpeneBhYVj0QFTfXEFTc/B3zKQspYfYYkWYgFsmzo+4kvId/bQRcNkVeguI3y+CD22BtA==
 
+picomatch@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/picomatch/-/picomatch-2.2.1.tgz#21bac888b6ed8601f831ce7816e335bc779f0a4a"
+  integrity sha512-ISBaA8xQNmwELC7eOjqFKMESB2VIqt4PPDD0nsS95b/9dZXvVKOlz9keMSnoGGKcOHXfTvDD6WMaRoSc9UuhRA==
+
 pify@^2.0.0, pify@^2.2.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
@@ -14984,6 +15059,11 @@ retry@^0.12.0:
   resolved "https://registry.yarnpkg.com/retry/-/retry-0.12.0.tgz#1b42a6266a21f07421d1b0b54b7dc167b01c013b"
   integrity sha1-G0KmJmoh8HQh0bC1S33BZ7AcATs=
 
+reusify@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/reusify/-/reusify-1.0.4.tgz#90da382b1e126efc02146e90845a88db12925d76"
+  integrity sha512-U9nH88a3fc/ekCF1l0/UP1IosiuIjyTh7hBvXVMHYgVcfGvt897Xguj2UOLDeI5BG2m7/uwyaLVT6fbtCwTyzw==
+
 rgb-regex@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/rgb-regex/-/rgb-regex-1.0.1.tgz#c0e0d6882df0e23be254a475e8edd41915feaeb1"
@@ -15033,6 +15113,11 @@ run-node@^1.0.0:
   resolved "https://registry.yarnpkg.com/run-node/-/run-node-1.0.0.tgz#46b50b946a2aa2d4947ae1d886e9856fd9cabe5e"
   integrity sha512-kc120TBlQ3mih1LSzdAJXo4xn/GWS2ec0l3S+syHDXP9uRr0JAT8Qd3mdMuyjqCzeZktgP3try92cEgf9Nks8A==
 
+run-parallel@^1.1.9:
+  version "1.1.9"
+  resolved "https://registry.yarnpkg.com/run-parallel/-/run-parallel-1.1.9.tgz#c9dd3a7cf9f4b2c4b6244e173a6ed866e61dd679"
+  integrity sha512-DEqnSRTDw/Tc3FXf49zedI638Z9onwUotBMiUFKmrO2sdFKIbXamXGQ3Axd4qgphxKB4kw/qP1w5kTxnfU1B9Q==
+
 run-queue@^1.0.0, run-queue@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/run-queue/-/run-queue-1.0.3.tgz#e848396f057d223f24386924618e25694161ec47"
@@ -15397,6 +15482,11 @@ slash@^2.0.0:
   resolved "https://registry.yarnpkg.com/slash/-/slash-2.0.0.tgz#de552851a1759df3a8f206535442f5ec4ddeab44"
   integrity sha512-ZYKh3Wh2z1PpEXWr0MpSBZ0V6mZHAQfYevttO11c51CaWjGTaadiKZ+wVt1PbMlDV5qhMFslpZCemhwOK7C89A==
 
+slash@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/slash/-/slash-3.0.0.tgz#6539be870c165adbd5240220dbe361f1bc4d4634"
+  integrity sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==
+
 slice-ansi@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/slice-ansi/-/slice-ansi-0.0.4.tgz#edbf8903f66f7ce2f8eafd6ceed65e264c831b35"
@@ -16506,7 +16596,7 @@ tsconfig-paths@^3.4.0:
     minimist "^1.2.0"
     strip-bom "^3.0.0"
 
-tslib@^1.10.0, tslib@^1.9.2, tslib@^1.9.3:
+tslib@^1.10.0, tslib@^1.9.2, tslib@^1.9.3, tslib@~1.10.0:
   version "1.10.0"
   resolved "https://registry.yarnpkg.com/tslib/-/tslib-1.10.0.tgz#c3c19f95973fb0a62973fb09d90d961ee43e5c8a"
   integrity sha512-qOebF53frne81cf0S9B41ByenJ3/IuH8yJKngAX35CmiZySA0khhkovshKK+jGCaMnVomla7gVlIcc3EvKPbTQ==