diff --git a/Composer/packages/client/src/components/ImportModal/ImportModal.tsx b/Composer/packages/client/src/components/ImportModal/ImportModal.tsx
index 368d9f4b53..cb3798b7e4 100644
--- a/Composer/packages/client/src/components/ImportModal/ImportModal.tsx
+++ b/Composer/packages/client/src/components/ImportModal/ImportModal.tsx
@@ -109,7 +109,7 @@ export const ImportModal: React.FC<RouteComponentProps> = (props) => {
             title: '',
             onRenderCardContent: ImportSuccessNotificationWrapper({
               importedToExisting: true,
-              location: existingProject.location,
+              location: path,
             }),
           });
           addNotification(notification);
diff --git a/Composer/packages/client/src/pages/publish/Publish.tsx b/Composer/packages/client/src/pages/publish/Publish.tsx
index f2d4803c8f..451d3abe7b 100644
--- a/Composer/packages/client/src/pages/publish/Publish.tsx
+++ b/Composer/packages/client/src/pages/publish/Publish.tsx
@@ -499,7 +499,7 @@ const LogDialog = (props) => {
     <Dialog
       dialogContentProps={logDialogProps}
       hidden={false}
-      minWidth={450}
+      minWidth={700}
       modalProps={{ isBlocking: true }}
       onDismiss={props.onDismiss}
     >
diff --git a/Composer/packages/client/src/pages/publish/publishStatusList.tsx b/Composer/packages/client/src/pages/publish/publishStatusList.tsx
index f6b1fcb63f..738c1f38be 100644
--- a/Composer/packages/client/src/pages/publish/publishStatusList.tsx
+++ b/Composer/packages/client/src/pages/publish/publishStatusList.tsx
@@ -15,6 +15,7 @@ import { Sticky, StickyPositionType } from 'office-ui-fabric-react/lib/Sticky';
 import { TooltipHost } from 'office-ui-fabric-react/lib/Tooltip';
 import { Selection } from 'office-ui-fabric-react/lib/DetailsList';
 import { Icon } from 'office-ui-fabric-react/lib/Icon';
+import { Link } from 'office-ui-fabric-react/lib/Link';
 import { Spinner, SpinnerSize } from 'office-ui-fabric-react/lib/Spinner';
 import moment from 'moment';
 import { useMemo, useState, useEffect } from 'react';
@@ -35,6 +36,10 @@ export interface IStatus {
   status: number;
   message: string;
   comment: string;
+  action?: {
+    href: string;
+    label: string;
+  };
 }
 
 function onRenderDetailsHeader(props, defaultRender) {
@@ -99,8 +104,8 @@ export const PublishStatusList: React.FC<IStatusListProps> = (props) => {
       name: formatMessage('Status'),
       className: 'publishstatus',
       fieldName: 'status',
-      minWidth: 70,
-      maxWidth: 90,
+      minWidth: 40,
+      maxWidth: 40,
       isResizable: true,
       data: 'string',
       onRender: (item: IStatus) => {
@@ -123,14 +128,29 @@ export const PublishStatusList: React.FC<IStatusListProps> = (props) => {
       name: formatMessage('Message'),
       className: 'publishmessage',
       fieldName: 'message',
-      minWidth: 70,
-      maxWidth: 90,
+      minWidth: 150,
+      maxWidth: 300,
       isResizable: true,
       isCollapsible: true,
       isMultiline: true,
       data: 'string',
       onRender: (item: IStatus) => {
-        return <span>{item.message}</span>;
+        return (
+          <span>
+            {item.message}
+            {item.action && (
+              <Link
+                aria-label={item.action.label}
+                href={item.action.href}
+                rel="noopener noreferrer"
+                style={{ marginLeft: '3px' }}
+                target="_blank"
+              >
+                {item.action.label}
+              </Link>
+            )}
+          </span>
+        );
       },
       isPadded: true,
     },
diff --git a/Composer/packages/types/src/publish.ts b/Composer/packages/types/src/publish.ts
index 6d255341f5..9f845f8638 100644
--- a/Composer/packages/types/src/publish.ts
+++ b/Composer/packages/types/src/publish.ts
@@ -28,6 +28,7 @@ export type PullResponse = {
   error?: any;
   eTag?: string;
   status: number;
+  /** Path to the pulled .zip containing updated bot content */
   zipPath?: string;
 };
 
diff --git a/Composer/packages/types/src/server.ts b/Composer/packages/types/src/server.ts
index 08a3bed1b7..679a329921 100644
--- a/Composer/packages/types/src/server.ts
+++ b/Composer/packages/types/src/server.ts
@@ -8,6 +8,7 @@ export type IBotProject = {
   fileStorage: any;
   dir: string;
   dataDir: string;
+  eTag?: string;
   id: string | undefined;
   name: string;
   builder: any;
diff --git a/Composer/packages/ui-plugins/cross-trained/src/index.ts b/Composer/packages/ui-plugins/cross-trained/src/index.ts
index eff347ee05..3ec0ac05eb 100644
--- a/Composer/packages/ui-plugins/cross-trained/src/index.ts
+++ b/Composer/packages/ui-plugins/cross-trained/src/index.ts
@@ -2,7 +2,7 @@
 // Licensed under the MIT License.
 
 import { PluginConfig } from '@bfc/extension-client';
-import { SDKKinds } from '@bfc/shared';
+import { SDKKinds, checkForPVASchema } from '@bfc/shared';
 import formatMessage from 'format-message';
 
 const config: PluginConfig = {
@@ -15,12 +15,16 @@ const config: PluginConfig = {
         },
         intentEditor: 'LuIntentEditor',
         seedNewRecognizer: (shellData) => {
-          const { qnaFiles, luFiles, currentDialog, locale } = shellData;
+          const { qnaFiles, luFiles, currentDialog, locale, schemas } = shellData;
           const qnaFile = qnaFiles.find((f) => f.id === `${currentDialog.id}.${locale}`);
           const luFile = luFiles.find((f) => f.id === `${currentDialog.id}.${locale}`);
 
-          if (!qnaFile || !luFile) {
-            alert(formatMessage(`NO LU OR QNA FILE WITH NAME { id }`, { id: currentDialog.id }));
+          if (!luFile) {
+            alert(formatMessage(`NO LU  FILE WITH NAME { id }`, { id: currentDialog.id }));
+          }
+
+          if (!qnaFile && !checkForPVASchema(schemas.sdk)) {
+            alert(formatMessage(`NO QNA FILE WITH NAME { id }`, { id: currentDialog.id }));
           }
 
           return `${currentDialog.id}.lu.qna`;
diff --git a/extensions/pvaPublish/src/node/publish.ts b/extensions/pvaPublish/src/node/publish.ts
index bcea872e1a..302992777a 100644
--- a/extensions/pvaPublish/src/node/publish.ts
+++ b/extensions/pvaPublish/src/node/publish.ts
@@ -1,8 +1,9 @@
 import { IBotProject } from '@botframework-composer/types';
 import { join } from 'path';
-import { createReadStream, createWriteStream } from 'fs';
-import { ensureDirSync, remove } from 'fs-extra';
+import { createWriteStream } from 'fs';
+import { ensureDirSync } from 'fs-extra';
 import fetch, { RequestInit } from 'node-fetch';
+import stream from 'stream';
 
 import {
   PVAPublishJob,
@@ -42,47 +43,39 @@ export const publish = async (
   const { comment = '' } = metadata;
 
   try {
+    logger.log('Starting publish to Power Virtual Agents.');
     // authenticate with PVA
     const base = baseUrl || getBaseUrl();
     const creds = getAuthCredentials(base);
     const accessToken = await getAccessToken(creds);
 
-    // TODO: Investigate optimizing stream logic before enabling extension.
-    // (https://github.com/microsoft/BotFramework-Composer/pull/4446#discussion_r510314378)
-
-    // where we will store the bot .zip
-    const zipDir = join(process.env.COMPOSER_TEMP_DIR as string, 'pva-publish');
-    ensureDirSync(zipDir);
-    const zipPath = join(zipDir, 'bot.zip');
-
-    // write the .zip to disk
-    const zipWriteStream = createWriteStream(zipPath);
+    // write the .zip to a buffer in memory
+    logger.log('Writing bot content to in-memory buffer.');
+    const botContentWriter = new stream.Writable();
+    const botContentData = [];
+    botContentWriter._write = (chunk, encoding, callback) => {
+      botContentData.push(chunk);
+      callback(); // let the internal write() call know that the _write() was successful
+    };
     await new Promise((resolve, reject) => {
-      project.exportToZip((archive: NodeJS.ReadStream & { finalize: () => void; on: (ev, listener) => void }) => {
-        archive.on('error', (err) => {
-          console.error('Got error trying to export to zip: ', err);
-          reject(err.message);
-        });
-        archive.pipe(zipWriteStream);
-        archive.on('end', () => {
-          archive.unpipe();
-          zipWriteStream.end();
-          resolve();
-        });
-      });
+      project.exportToZip(
+        { files: ['*.botproject'], directories: ['/knowledge-base/'] },
+        (archive: NodeJS.ReadStream & { finalize: () => void; on: (ev, listener) => void }) => {
+          archive.on('error', (err) => {
+            console.error('Got error trying to export to zip: ', err);
+            reject(err.message);
+          });
+          archive.on('end', () => {
+            archive.unpipe();
+            logger.log('Done reading bot content.');
+            resolve();
+          });
+          archive.pipe(botContentWriter);
+        }
+      );
     });
-
-    // open up the .zip for reading
-    const zipReadStream = createReadStream(zipPath);
-    await new Promise((resolve, reject) => {
-      zipReadStream.on('error', (err) => {
-        reject(err);
-      });
-      zipReadStream.once('readable', () => {
-        resolve();
-      });
-    });
-    const length = zipReadStream.readableLength;
+    const botContent = Buffer.concat(botContentData);
+    logger.log('In-memory buffer created from bot content.');
 
     // initiate the publish job
     let url = `${base}api/botmanagement/${API_VERSION}/environments/${envId}/bots/${botId}/composer/publishoperations?deleteMissingDependencies=${deleteMissingDependencies}`;
@@ -91,15 +84,16 @@ export const publish = async (
     }
     const res = await fetch(url, {
       method: 'POST',
-      body: zipReadStream,
+      body: botContent,
       headers: {
         ...getAuthHeaders(accessToken, tenantId),
         'Content-Type': 'application/zip',
-        'Content-Length': length.toString(),
+        'Content-Length': botContent.buffer.byteLength,
         'If-Match': project.eTag,
       },
     });
     const job: PVAPublishJob = await res.json();
+    logger.log('Publish job started: %O', job);
 
     // transform the PVA job to a publish response
     const result = xformJobToResult(job);
@@ -109,7 +103,7 @@ export const publish = async (
     ensurePublishProfileHistory(botProjectId, profileName);
     publishHistory[botProjectId][profileName].unshift(result);
 
-    remove(zipDir); // clean up zip -- fire and forget
+    logger.log('Publish call successful.');
 
     return {
       status: result.status,
@@ -173,6 +167,9 @@ export const getStatus = async (
     logger.log('Got updated status from publish job: %O', job);
 
     // transform the PVA job to a publish response
+    if (!job.lastUpdateTimeUtc) {
+      job.lastUpdateTimeUtc = Date.now().toString(); // patch update time if server doesn't send one
+    }
     const result = xformJobToResult(job);
 
     // update publish history
@@ -291,13 +288,19 @@ const xformJobToResult = (job: PVAPublishJob): PublishResult => {
     eTag: job.importedContentEtag,
     id: job.operationId, // what is this used for in Composer?
     log: (job.diagnostics || []).map((diag) => `---\n${JSON.stringify(diag, null, 2)}\n---\n`).join('\n'),
-    message: getUserFriendlyMessage(job.state),
+    message: getUserFriendlyMessage(job),
     time: new Date(job.lastUpdateTimeUtc),
     status: getStatusFromJobState(job.state),
+    action: getAction(job),
   };
   return result;
 };
 
+const getAction = (job) => {
+  if (job.state !== 'Done' || job.testUrl == null || job.testUrl == undefined) return null;
+  return { href: job.testUrl, label: 'Test in Power Virtual Agents' };
+};
+
 const getStatusFromJobState = (state: PublishState): number => {
   switch (state) {
     case 'Done':
@@ -337,8 +340,8 @@ const getOperationIdOfLastJob = (botProjectId: string, profileName: string): str
   return '';
 };
 
-const getUserFriendlyMessage = (state: PublishState): string => {
-  switch (state) {
+const getUserFriendlyMessage = (job: PVAPublishJob): string => {
+  switch (job.state) {
     case 'Done':
       return 'Publish successful.';
 
diff --git a/extensions/pvaPublish/src/node/types.ts b/extensions/pvaPublish/src/node/types.ts
index e253f730d7..9af5613db5 100644
--- a/extensions/pvaPublish/src/node/types.ts
+++ b/extensions/pvaPublish/src/node/types.ts
@@ -6,6 +6,7 @@ export type PVAPublishJob = {
   operationId: string;
   startTimeUtc: string;
   state: PublishState;
+  testUrl: string;
 };
 
 type DiagnosticInfo = {
@@ -52,6 +53,7 @@ export interface PublishResult {
   message: string;
   status?: number;
   time?: Date;
+  action?: { href: string; label: string };
 }
 
 /** Copied from @bfc/extension */