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 44. Known issues (continued)
Issue ID Description Workaround
DTOS-273/
DTOS-210
Camera devices are not detected in Zoom if the camera is
attached after meeting has started.
End and rejoin the meeting to make the
camera available in Zoom.
DTOS-209 Jabra Panacast camera displays a black video window in
Microsoft Teams and Skype for Business.
Reconnect the session.
DTOS-36 No out of paper message is displayed in the test print menu
when the printer is out of paper.
There is no workaround in this release.
DTOS-3157 Wyse 3040 Thin Client: During an audio call/meeting
or screen sharing on a Unified Communications (UC)
application, audio choppy issue is observed if:
● You move the application window frequently or quickly.
● You scroll down the Microsoft PowerPoint slide, Word
document, Excel sheet, or a website page frequently or
quickly.
● You play a video in an ICA session frequently.
Move the application window slowly.
Scroll down the Microsoft PowerPoint slide,
Word document, Excel sheet, or a website
page slowly.
Do not play a video in the ICA session.
Fixed issues
Table 45. Fixed issues
Issue ID Description
DTOS-1783/ DTOS-1823/ DTOS-1581 Fixed issues where device details are not correctly reported in
Wyse Management Suite.
DTOS-1571/ CIPS-19704 Fixed the issue where password values using umlauts (üöä) do
not work with VMware Horizon.
DTOS-2039/ DTOS-1623/ CIPS-20640 Fixed the issue where Copy and Paste functions do not work
consistently in Citrix sessions.
DTOS-1986/ CIPS-19996 Fixed the issue where closed lid of Wyse 5470 Thin Client does
not turn off the display.
DTOS-1482/ CIPS-19845 Added support for the Logitech H390 USB headset.
DTOS-1718/ CIPS-20153 Fixed an issue where the Cisco JVDI package install fails when
using a Wyse Management Suite local repository.
DTOS-2100/ CIPS-20499 Fixed an issue that prevents the use of international keyboard
layouts in VMware Horizon PCoIP sessions.
DTOS-1433 Fixed the issue where Alt+Tab do not work as expected in
direct RDP sessions.
DTOS-1526/ CIPS-19799 Added support for modern WebRTC apps.
DTOS-1824/ DTOS-1584/ DTOS-1580 Fixed the issue where Wyse Management Suite displays a
message stating Unknown Connection Type and no installed
applications.
DTOS-924/ DTOS-1013 Added the ability to use system variable password values to
unlock the client.
DTOS-1135/ DTOS-1624/ CIPS-19086/ CIPS-19500 Fixed the issue where an error message stating Please load a
correct client certificate is displayed. This issue occurs while
upgrading from ThinOS 9.0 to ThinOS 9.1.
DTOS-1931/ CIPS-20398 Fixed the issue where some client configurations do not load
after the client is reset to factory defaults.
DTOS-1908/ CIPS-20004 Fixed the issue where the Default Username would not
populate when switching between select groups.
76 ThinOS 9.1.2101