Dell ThinOS 10.x 2502, 2505, 2508, and 2511 Release Notes

Non-Dell device support

ThinOS 10.x 2505 supports non-Dell devices, such as the Amulet Hotkey (DX1500 series). These deployments require ThinOS 10 Subscription – Third-Party Client licenses, visible in WMS with associated virtual Service Tags.

Routing proxy selection for Selected Host

Added the Ignore Host option to route proxy connections for selected hosts, configurable through WMS server.

The users must add a hostname in Ignore Host field under Proxy Settings.

Go to WMS and select Groups & Configs > Select a group > Edit Policies > ThinOS10.x > Advanced > Network Configuration > Proxy Settings > Add Row > Ignore Host.

Browser icon customization

Added ConfigUI option to hide default browser icons (Chrome/Firefox) from the menu bar, with customizable shortcuts. (By default, this option is enabled)

For Google Chrome - Go to WMS > Group & Configs > Select a group > Edit Policies > ThinOS 10.x > Advanced > Browser Settings > Google Chrome Settings > Privacy Settings > Hide Chrome Icon > Save & Publish .

For Firefox - Go to WMS > Group & Configs > Select a group > Edit Policies > ThinOS 10.x > Advanced > Browser Settings > Firefox Settings > Privacy Settings > Hide Firefox Icon > Save & Publish .

FIDO2 key registration

Enables FIDO2 key registration local authentication window in ThinOS 10 with pre-VDI login authentication using fingerprint, facial scan, or PIN for enhanced security compliance.

To verify Yubikey authentication:

1. Insert the Yubikey into the device.
2. Verify whether the notification is displayed or not.
3. Go to Taskbar > Manage security keys > Register Yubikey.
4. Click Try WEBAUTHN and follow the instructions to authenticate and authorize.

SCEP connection status in Event Logs

Event Logs now include SCEP connection status and error messages, helping administrators troubleshoot device enrollment failures.

Log in to WMS and select Groups & Configs > Edit Policies > ThinOS 10.x > Advanced > Privacy and Security > SCEP.

Select the options on SCEP Settings and click Save & Publish.

To view the SCEP logs, go to System Information > Select Event Log.

ACS ACR40T Smart Card Reader support

Dell ThinOS 10 adds support for the ACS ACR40T smartcard reader.

Microsoft Passkey Authentication (USB Key and Bluetooth Key)

Enables passwordless login to Citrix Workspace App (CWA) or Azure Virtual Desktop (AVD) using Microsoft Passkey, supporting FIDO2 PIN, face recognition, QR code, and Yubikey authentication.

For CWA: Log in to WMS and select Groups & Configs > Edit Policies > ThinOS 10.x > Advanced > Broker Settings > Citrix Virtual Apps and Desktop Settings and enable Use External Engine for WebLogin

For AVD: Log in to WMS and select Groups & Configs > Edit Policies > ThinOS 10.x > Advanced > Broker Settings > Azure Virtual Desktop Settings and enable Enable Azure Desktop Settings

Telegraf Agent monitoring tool

Introduces Telegraf Agent support for device monitoring and deployment through WMS or APT.

The Telegraf agent collects, monitors device performance such as CPU, Memory, and Ping Latency and sends metrics to a monitoring system like Prometheus.

To enable Telegraf, go to WMS > Groups & Configs > Edit Policies > ThinOS10.X > Advanced > System Settings > Device Monitoring > Telegraf Configuration Editor. and enable the Telegraf Agent.

Once enabled, the following metrics are activated by default: CPU, Memory, Network, and Ping Latency. These metrics can be disabled individually.

BIOS Virtualization Technology (VT) management

Admins can now manage Intel VT settings in the BIOS using WMS with minimal UI changes.

1. Log in to WMS and select Groups & Configs > Edit Policies > ThinOS 10.x > Advanced > BIOS .
2. Select the checkbox for the supported platform on Select your platform tab and close.
3. Go to Virtualization Support and enable Enable Virtualization and Enable Virtualization for Direct I/O options.

Once the policy is deployed and the device reboots, these settings are applied at the BIOS level and reflects on the BIOS configuration screen.

QR code error handling

Improves QR code handling with clearer error messages for invalid or expired codes.

ThinOS 10.x 2505 displays the new QR code error: The QR code is invalid. Contact your system administrator.

5G or LTE connectivity

Adds support for 5G/LTE connectivity using USB dongle in Wi-Fi or local network outage scenarios.

Keyboard layout switching

Enables keyboard input language switching with Windows Key + Spacebar, with taskbar indication and WMS or APT configuration support.

1. Go to WMS 10.x policies and select Personalization > Shortcut Keys > Switch Keyboard Layout - Show List .
2. Verify that the Enable Switch Keyboard Layout - Show List setting is disabled by default.
3. Enable the Switch Keyboard Layout - Show List dongle button and verify the default Switch Key.
4. Go to Peripheral Management > Keyboard > Keyboard Layout List. Select your language of choice, for example, English (United Kingdom), French (France), German, Japanese, Polish languages.
5. Click Save & Publish to save the policy to the device.
6. Select any added layouts by pressing Window Key + Spacebar and verify the taskbar.

Improved firmware design

Features a more transparent notification design that enhances user engagement and login field control.

The notification appears on the bottom right corner of the screen as New Firmware/Application install is available. Auto installation occurs in 115 seconds.

Two options are displayed: Next Reboot and Update.

If Schedule Update is enabled in WDA settings through WMS or APT on the ThinOS 10 device, a notification appears at the scheduled time with three options: Next Reboot, Install, and Schedule

Security Keys icon

Adds Security Keys Icon option in Account Privileges.

When the Privilege Level is set to Customize, the administrators can enable or disable the Manage Security Keys icon on the taskbar.

On-Screen Keyboard support

The On-Screen Keyboard is disabled by default but can be enabled to appear as a taskbar or floating icon.

Log in to WMS or APT and select Groups & Configs > Edit Policies > ThinOS 10.x > Advanced > Peripheral Management > Keyboard > On-Screen > Keyboard Settings > Enable On-Screen Keyboard to enable it.

System information display

Displays device-specific system information about the WMS server based on the active network interface (ENET0 or WLAN0).

To view updated system information for a device:

1. Log in to WMS, go to the Devices page.
2. Click a specific device to open the Device Details page.
3. Open the System Info tab to view the details.

The displayed information is based on the active network interface.

• Wireless (WLAN0):
  • Added: SSID, Security Type, EAP Type, and Certificate Information.
• Ethernet (ENET0 and ENET1):
  • Added: EAP Type and Certificate Information.

Firmware and application logs

Event logs now include entries for firmware and application package updates, installations, and uninstallations.

• Uninstallation (APT/System Tools): When a package is uninstalled using APT, the event log displays "Package: deleting result - Success" with the timestamp and package name (for example, Citrix, VMware, Zoom).
• Installation (WMS/APT): Upon deploying the package to the client, the installation starts automatically after download. During installation, only the installation window is visible; all other UI elements are hidden. The system auto-reboots after completion. Post-reboot, only the latest logs are retained—installation success logs are not displayed.

Horizon USB device selection

Allows users to choose whether to redirect USB devices into a Horizon Blast session.

After launching a Horizon Blast session, click the Horizon Session Configuration icon in the system tray.

From the list, select an active Blast session to view the available USB devices.

Users can check or uncheck individual USB devices to control whether each device is redirected to the selected session.

Extended sleep support

Supports system sleep periods of up to 10 hours.

Log in to WMS and select Groups & Configs > Advanced > System Settings > Power Sleep Settings > Power Plugged in > Time When Plugged in.

PXE image support

Enables ISO image deployment to clients using the PXE image method.

This feature currently supports imaging for Ubuntu 20.04 or later systems.

Pointer switching shortcut key

Adds a shortcut key for pointer switching across multiple screens.

Log in to WMS or APT and select Groups & Configs > Edit Policies > ThinOS 10.x > Advanced > Personalization > Shortcut Keys > Switch Pointer Shortcut Key.

Shortpath support for AVD

Adds support for enabling Shortpath on Azure Virtual Desktop (AVD) connections.

By default, Remote Desktop Protocol (RDP) initiates a TCP-based reverse connect transport and attempts to upgrade the session to use UDP. If the UDP connection is successful, the TCP connection is dropped. If not, the session continues over TCP as a fallback.

Background information settings

Updates the display of network port names, replacing ENET0 with the device’s IP address (LAN) and WLAN0 with the IP address (Wi-Fi). Additionally, a new IEEE802.1x authentication status option has been added to the drop-down menu under: Personalization > Desktop > Granular Control of Background.

If IEEE802.1x authentication is successful, the value displayed is Yes. If authentication fails or is disabled, the value is No.

Peripherals Firmware Updates page

Adds a new Peripherals Firmware Updates page under the Firmware section. This feature allows administrators to upload firmware packages for Dell Docking Stations (WD19/WD22) and Dell Monitors (U2724DE). These packages can be published to ThinOS clients, which can then download and install the updates to connected peripherals.

For more information, see Peripheral firmware process.

Device system information

ThinOS 10.x 2505 displays only the current information using network interface information.

To view updated system information for a device:

1. Log in to WMS, go to the Devices page.
2. Click a specific device to open the Device Details page.
3. Open the System Info tab to view the details.

The displayed information is based on the active network interface.

• Wireless (WLAN0):
  • Added: SSID, Security Type, EAP Type, and Certificate Information.
• Ethernet (ENET0 and ENET1):
  • Added: EAP Type and Certificate Information.

Notification Center

Introduces a unified Notification Center in ThinOS 10 to inform users about important system events such as peripheral connections (such as USB headsets, USB camera, USB storage), Bluetooth devices, and VPN status.

This feature enhances the user experience by:

• Reducing the need to manually check event logs.
• Organizing messages into clear, categorized notifications.
• Minimizing redundant alerts.
• Filtering device notifications to show only relevant peripherals.

The notifications are disabled by default in the ThinOS 10 taskbar. They are enabled only when:

The device is in Admin Mode, or the Privilege Level is set to Customize in Account Privileges.

The notifications are supported only for the following USB device classes:

• 0x00 – USB_CLASS_PER_INTERFACE
• 0x01 – USB_CLASS_AUDIO
• 0x0E – USB_CLASS_VIDEO
• 0x08 – USB_CLASS_STORAGE
• 0xEF – USB_CLASS_MISC (Miscellaneous Device)
• 0x07 – USB_CLASS_PRINTER
• 0xFF – USB_CLASS_VENDOR_SPECIFIC

CV and CV3+ support - NFC contactless smartcard reader, finger print, and contact smartcard reader

ThinOS 10.x 2505 supports CV3 and CV3+ that allows the users to register and log in to VDI brokers (Citrix virtual apps and desktops, Omnissa Horizon, or Microsoft RDS) using Imprivata SignOn Server.

CV3 supported platforms include:

• Palm-rest contact smart card reader
• Palm-rest fingerprint reader

CV3+ supported platforms include:

1. Palm rest contact smart card reader
2. Palm-rest fingerprint reader
3. Palm-rest NFC contactless smart card reader (supports only PIV enabled smartcard)

Added CV3, CV3+ support on the following platforms:

• Latitude 5450/Latitude 5440/Latitude 5540/Latitude 5550
• Dell Pro 16 Plus PB16250
• Dell Pro 14 PC14250
• Dell Pro Rugged 14 RB14250

Wi-Fi 7 support

ThinOS 10.x 2505 introduces Wi-Fi 7 support.