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-3702 The password is seen as plaintext for the RD Gateway input
box.
Do not enter gateway password in Admin
Policy Tool or Wyse Management Suite.
DTOS-3703 Cannot log in to Citrix server after broker timeout. Reboot the thin client.
DTOS-3704 Intermittent busy signal in Polycom when a call is picked up
by telephone.
You must wait for two minutes.
DTOS-3712 Unable to switch to a full screen ICA session if session is
launched in window mode.
Change the session default property to Full
Screen.
DTOS-3737 The Dell logo is displayed instead of Horizon Client logo
when logging in to the Horizon broker with smart card.
There is no workaround in this release.
DTOS-3740 Smartcard may not be seen if it is inserted after Citrix
broker initialization.
Plug in the smartcard first, then press Esc to
reload the broker, and log in.
DTOS-3721 Webex VDI annotate does not work from the host who is
sharing the screen.
Annotate is not working in this release.
DTOS-3715 The default device is always selected as HD audio-2 in JVDI
device selector.
Manually change the audio device from JVDI
to your headset or manually change thin client
audio from HD audio-2 to your headset.
DTOS-3778 Webex meeting does not work in optimized mode in Citrix
VDI after reinstallation of the Citrix Workspace App.
Uninstall WebEx meetings VDI package and
reinstall it.
DTOS-3721 Webex VDI annotate does not work from the host who is
sharing the screen.
Annotate does not work in this release.
DTOS-3784 HID Fingerprint Reader does not work in Citrix session if
you install the Citrix Workspace App package after HID
Fingerprint Reader package is installed.
Uninstall HID Fingerprint Reader.pkg and
reinstall it. Go to WMS server > Session
Settings > Global Settings > HID
Fingerprint Reader, Disable the settings >
Sync the policy > Enable the setting > Sync
the policy.
DTOS-3741 Configurations of the Admin Policy Tool are not displayed in
the VDI session on first sign in.
Sign-off from the broker.
DTOS-3856 You can sign off in shutdown menu with the policy Disable
Signoff set to enabled.
There is no workaround in this release.
DTOS-3803 You cannot log in to Citrix server with workspace mode
when Http user Agent is set.
Use classic or modern mode.
Fixed issues
Table 23. Fixed issues
Issue ID Description
DTOS-3735/ CIPS-22429 Fixed an issue where the Local Client name is displayed
incorrectly in RDS session.
DTOS-3369/ CIPS-21589 Fixed the issue that prevents the use of Duo 2FA.
DTOS-3332/ CIPS-22106 Fixed an issue where the VMware Horizon connections follow
the display resolution last set while connecting to Windows.
DTOS-3293/ CIPS-21915 Fixed an issue preventing the use of Duo MFA.
DTOS-3218/ CIPS-21817 Fixed an issue where DP Audio devices do not switch
automatically when powered on.
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