Release Notes
Table Of Contents
- Dell Wyse ThinOS Version 9.1 Operating System Release Notes
- Contents
- Overview
- Citrix Workspace app 2104 package for ThinOS
- ThinOS 9.1.2101
- Release summary
- Firmware upgrade
- Compatibility
- New and enhanced features
- Flash protection reliability
- Keyboard layout updates
- New options added for Customize Privilege Level
- Supports external secure MQTT for Wyse Management Suite server
- New background picture for ThinOS
- Shutdown menu update
- Display port audio design enhancement
- Poly EagleEye Mini webcam support
- VNC password restriction
- Proxy
- Citrix Workspace App update
- Microsoft Direct Remote Desktop Protocol updates
- Windows Virtual Desktop
- HID fingerprint reader support
- Imprivata updates
- Teradici cloud access updates
- Supports the Bloomberg keyboard
- Important notes
- Limitations
- Tested environments matrix
- Tested peripherals
- Tested smart cards
- Known issues
- Fixed issues
- ThinOS 9.1.1131
- Upgrade to ThinOS 9.1 from ThinOS 8.6
- Compatibility
- ThinOS 9.1 and ThinOS 8.6 feature comparison
- New and enhanced features
- New ThinOS features
- Admin Policy Tool
- Admin Policy Tool feature list
- Support for Wyse Management Suite 3.1
- Smart card sign-in
- Enhanced User Interface
- Account privileges
- Change group notice
- Download notice
- New system tray items
- New DHCP option tag
- Captive portal detection for wireless
- EPOS connect headset support
- Jabra Xpress headset support
- Install the operating system image and packages using Admin Policy Tool
- New Citrix features
- Citrix multiple virtual channels
- Microsoft Teams optimization
- Microsoft Teams optimization feature matrix
- Microsoft Teams optimization limitations
- Zoom optimization on Citrix
- Zoom optimization feature matrix
- Zoom optimization known issues
- Cisco Webex Teams optimization
- Cisco Webex Teams optimization on Citrix Workspace app feature matrix
- Cisco Webex Teams optimization known issues
- Cisco webex meetings optimization
- Cisco Webex Meetings optimization feature matrix
- Cisco Webex Meetings optimization known issues
- Cisco Jabber Softphone for VDI
- Cisco Jabber Softphone for VDI support matrix
- Cisco Jabber Softphone for VDI limitations
- Federated Authentication (SAML/Azure AD)
- Browser Content Redirection
- Citrix HDX Adaptive transport (EDT)
- HDX Adaptive Display V2
- Citrix ADC Native OTP
- Autoconfiguration of email-based account discovery using DNS
- Desktop Viewer/Toolbar
- Workspace mode
- Citrix printer update limitations
- Citrix printer update
- Keyboard Layout Mode
- VMware Horizon
- VMware Horizon Management and configuration
- Unified Access Gateway
- Scanner redirection
- Serial ports redirection
- FIPS-140-2 mode
- Session collaboration
- Battery state redirection
- Workspace ONE mode
- Relative mouse
- Limitations for VMware Horizon
- Zoom optimization on VMware
- Zoom optimization on VMware feature matrix
- Zoom optimization known issues
- Cisco Webex Teams optimization on VMware
- Cisco Webex Teams optimization on VMware feature matrix
- Cisco Webex Teams optimization known issues
- Cisco Jabber Softphone for VDI on VMware
- Cisco Jabber Softphone for VDI support matrix on VMware
- Cisco Jabber Softphone for VDI limitations on VMware
- Microsoft Teams on VMware
- Microsoft Windows Virtual Desktop and Remote Desktop Services
- Teradici Cloud Access and Amazon Workspaces
- Imprivata
- Identity automation
- New ThinOS features
- Changes from ThinOS 8.6
- What is removed compared to ThinOS 8.6
- Important notes
- Tested environments matrix
- Tested peripherals matrix
- Fixed issues
- Known issues
- Resources and support
- Contacting Dell
Table 33. Known issues (continued)
Issue ID Description Workaround
DTOS-2183 The FastDisconnect key does not function in a VMware
blast session.
Reboot the system and change settings.
DTOS-2173 There is no sound output when using the Dell U2722DE
monitor audio jack.
There is no workaround in this release.
DTOS-2150 Video in a Zoom call may be offset. Sign off from the session and log off from the
Broker agent. You may need to do this several
times.
DTOS-2147 The Citrix default Cursor Pattern settings do not work. Enter the default value manually in Wyse
Management Suite server or Admin Policy tool.
DTOS-2121 Some ELO touch monitors supported in ThinOS 8.6 may not
function in ThinOS 9.
There is no workaround in this release.
DTOS-2054/
DTOS-2035
The client stops responding and reboots when the Poly
EagleEye Mini webcam redirects into VMware blast session.
Reboot box and relaunch the session.
DTOS-2053 Citrix Multifarm with NetScaler only enumerates sessions
from the first Citrix Broker agent.
Log in with Classic or Workspace mode, and
launch the sessions from Connection Manager.
DTOS-2043 The client cannot change the screen saver setting from
Disabled to Others.
Change the system mode.
DTOS-2037 The top border of the desktop may get hidden when
selecting Window Mode in a full-screen session.
Click Full-screen or Window Mode again in
Desktop Viewer.
DTOS-2036 USB device redirection does not work in a Citrix session
after hot-swapping a device.
Disconnect and reconnect the session to
redirect the device .
DTOS-2034 The Home button in ICA Desktop Viewer switches to full-
screened application.
Press Ctrl+Alt+Down to switch to desktop.
DTOS-2032 The Sign out and Sign out and forget options do not
work in the Windows Virtual Desktop login window.
Special configuration is required on the WVD
server for the web login window.
DTOS-2011 The starting COM number for USB Serial devices cannot be
selected.
The USB port starts from COM3. The onboard
serial port is COM1, and the first USB serial
port is COM3 regardless of the USB port.
Swap COM1 and COM3, the COM1 in session
is COM3 in local and the COM3 in session is
COM1 in local.
DTOS-2006 Intermittent issues where the Wyse 5470 All-in-One client
cannot resume after a prolonged sleep period.
Tap the mouse to wake up client.
DTOS-2002 Headless (no monitor) booting is not supported. Boot up with monitor connected.
DTOS-1979 Random issue occurs where the PCoIP session does
not launch, instead displays an error message stating
disconnect message 255.
Reboot the thin client.
DTOS-1960 Android phone redirection may not work after hot swap. Relaunch the desktop.
DTOS-1953 Locale Setting in Global Session Settings menu does
not work when using VMware blast protocol.
Set Locale from the UI.
DTOS-1952 Reconnect setting in Global Session Settings menu
works for RDSH session, but not for VMware blast VDI
session.
Set reconnect from the UI.
DTOS-1948 Enable Auto Connect in Global Session Settings menu
does not work when using VMware blast protocol.
Set auto connect from the UI.
DTOS-1942 Enable Full Screen Mode in Global Session Settings
menu does not work when using Blast protocol.
Change to full screen from the UI.
42 ThinOS 9.1.2101