Release Notes
Table Of Contents
- Dell Wyse ThinOS Version 9.1 Operating System Release Notes
- Contents
- Overview
- ThinOS 9.1.3112
- 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
- Citrix Workspace app 2106 package for ThinOS
- Citrix Workspace app 2104 package for ThinOS
- Resources and support
- Contacting Dell
Table 22. Known issues (continued)
Issue ID Description Workaround
DTOS-3217 There is no size limitation when uploading files in local
Admin Policy Tool.
There is no workaround in this release.
DTOS-3246 After reboot, a log in window intermittently takes more than
a minute to be displayed .
Wait to log in after reboot.
DTOS-3272 Cursor icon presentation may be distorted in Remote
Workstation Card sessions.
This issue does not affect functionality. There
is no workaround in this release.
DTOS-3283 Microsoft Teams camera preview intermittently fails during
a Teams meeting.
Restart Microsoft Teams.
DTOS-3306 After selecting a Wi-Fi network, you may not be able to exit
first boot when you press Ctrl + Esc.
Click to go through all the pages of initial
setup, or plug in the network cable, and then
press Ctrl + Esc.
DTOS-3361 The question entry may be hard to select in the Imprivata
PIE enrollment window.
Try to select the question field more times.
DTOS-3371 The error message that is displayed is not clear when
attempting to launch a PCoIP connection after deleting the
Teradici PCoIP package.
Deploy the PCoIP package before you plan to
log on to the Teradici Cloud Access broker.
DTOS-3375 The Inactive timeout does not work as described. There is no workaround in this release.
DTOS-3388 Audio device attachment may result in the need to reboot
the client.
Reboot the client.
DTOS-3389 7700 errors may be seen after you check in to a Wyse
Management Suite server group that contains a firmware
update.
Wait for the client to recheck in Wyse
Management Suite after the last failed check-
in.
DTOS-3393 An error message stating Wrong xml format is displayed
when attempting to log in to a Citrix server with incorrect
DNS setting value.
You must use valid DNS setting.
DTOS-3395 You cannot pick up Skype calls using the button on the USB
headset.
You must use the button in Skype for Business
application to pick up the call.
DTOS-3409 The behaviors of domain list are different among Citrix,
Horizon, and Teradici brokers.
The correct domain must be selected manually.
DTOS-3412 Audio distortion occurs when you receive an incoming video
call during Microsoft Teams call or meeting using the Wyse
3040 Thin Clients.
The Wyse 3040 Thin Client does not support
video call and screen sharing for Unified
Communication features. Turn off the camera
and the incoming video if you are using Unified
Communication on Wyse 3040 Thin Client or
transition to a Wyse 5000 series device.
DTOS-3414 The Enter key (96) does not work on some ThinOS
windows (ThinOS build update window).
Press Enter key(28) instead of keypad enter
key(96).
DTOS-3418 When the client goes to sleep mode with smartcard
inserted, the smartcard does not work for the first time
after the client resumes,
Reinsert the card twice and then log in.
DTOS-3438 When you set wireless roaming, it does not roam
immediately when it reaches the sensitivity point .
It takes 10 seconds longer to start roaming.
DTOS-3439 When you disconnect the monitor and plug it back in after
a longer period, the monitor does not turn up. This issue
occurs on Wyse 3040 Thin Clients.
Reboot the client.
DTOS-3442 When the Wyse 3040 Thin Client connects to 2.4G 11n AP,
you get a speed of 144 Mbps only.
There is no workaround in this release.
ThinOS 9.1.3112 41