diff --git a/CHANGELOG.md b/CHANGELOG.md
index 23a56b4..2a2560a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,15 +1,11 @@
 # Changelog
-[2.9.1-alpha.2] - 2022-08-17
-
-### Changed
-- The error `No device found` coming from the `arduino-create-agent` is now treated as an error.
-
-[2.9.1-alpha.1] - 2022-07-28
+All notable changes to this project will be documented in this file.
 
+## [2.9.1] - 2022-09-06
 ### Added
-- Added support for ESP boards (experimental)
+- Added support for ESP32 boards
 
-[2.9.0] - 2022-06-06
+## [2.9.0] - 2022-06-06
 ### Added
 - Added support for "Arduino RP2040 Connect" board
 ### Changed
@@ -17,8 +13,7 @@
 - Simplified the communication with the Web Serial API via a messaging system which simulates
   the [postMessage](https://developer.chrome.com/docs/extensions/reference/runtime/#method-Port-postMessage) function available in the Chrome App Daemon (see `chrome-app-daemon.js`).
 
-
-[2.8.0] - 2022-03-21
+## [2.8.0] - 2022-03-21
 ### Added
 - Added support (still in Beta) for Chrome's Web Serial API on ChromeOS.
   Other operating systems should not be affected.
diff --git a/LICENSE.txt b/LICENSE.txt
index dab1f24..2a9bcda 100644
--- a/LICENSE.txt
+++ b/LICENSE.txt
@@ -1,7 +1,7 @@
 This file includes licensing information for arduino-create-agent-js-client.
 
 Copyright (c) 2018
-Authors: Alberto Iannaccone, Stefania Mellai, Gabriele Destefanis
+Authors: Alberto Iannaccone, Stefania Mellai, Gabriele Destefanis, Christian Sarnataro
 
 The software is released under the GNU General Public License, which covers the main body
 of the arduino-create-agent-js-client code. The terms of this license can be found at:
diff --git a/README.md b/README.md
index 6918c10..0694481 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,6 @@
 # arduino-create-agent-js-client
 JS module providing discovery of the [Arduino Create Agent](https://github.com/arduino/arduino-create-agent) and communication with it
 
-
 ## Changelog
 See [CHANGELOG.MD](CHANGELOG.MD) for more details.
 
diff --git a/package.json b/package.json
index 3f0619f..bb40417 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "arduino-create-agent-js-client",
-  "version": "2.9.1-alpha.2",
+  "version": "2.9.1",
   "description": "JS module providing discovery of the Arduino Create Plugin and communication with it",
   "main": "lib/index.js",
   "module": "es/index.js",
diff --git a/src/socket-daemon.js b/src/socket-daemon.js
index 13a9a1a..fbfd83d 100644
--- a/src/socket-daemon.js
+++ b/src/socket-daemon.js
@@ -392,12 +392,7 @@ export default class SocketDaemon extends Daemon {
         this.uploading.next({ status: this.UPLOAD_IN_PROGRESS, msg: `Programming with: ${message.Cmd}` });
         break;
       case 'Busy':
-        if (message.Msg && message.Msg.indexOf('No device found') === 0) {
-          this.uploading.next({ status: this.UPLOAD_ERROR, err: message.Msg });
-        }
-        else {
-          this.uploading.next({ status: this.UPLOAD_IN_PROGRESS, msg: message.Msg });
-        }
+        this.uploading.next({ status: this.UPLOAD_IN_PROGRESS, msg: message.Msg });
         break;
       case 'Error':
         this.uploading.next({ status: this.UPLOAD_ERROR, err: message.Msg });
diff --git a/src/web-serial-daemon.js b/src/web-serial-daemon.js
index d42d8ea..0fa2b8c 100644
--- a/src/web-serial-daemon.js
+++ b/src/web-serial-daemon.js
@@ -1,3 +1,23 @@
+/*
+* Copyright 2022 ARDUINO SA (http://www.arduino.cc/)
+* This file is part of arduino-create-agent-js-client.
+* Copyright (c) 2018
+* Authors: Alberto Iannaccone, Stefania Mellai, Gabriele Destefanis
+*
+* This software is released under:
+* The GNU General Public License, which covers the main part of
+* arduino-create-agent-js-client
+* The terms of this license can be found at:
+* https://www.gnu.org/licenses/gpl-3.0.en.html
+*
+* You can be released from the requirements of the above licenses by purchasing
+* a commercial license. Buying such a license is mandatory if you want to modify or
+* otherwise use the software for commercial activities involving the Arduino
+* software without disclosing the source code of your own applications. To purchase
+* a commercial license, send an email to license@arduino.cc.
+*
+*/
+
 import {
   distinctUntilChanged, filter, takeUntil
 } from 'rxjs/operators';