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 11. Known issues (continued)
Issue ID Description Workaround
DTOS-2755 When the ICA published application fails to launch, an
incorrect error message is displayed.
There is no workaround in this release.
DTOS-2754 When the user launches the desktop or application under
the maintenance mode, an incorrect error message is
displayed.
There is no workaround in this release.
DTOS-2746 The audio recording is incomplete when you use a redirect
headset to record audio in a ICA session. This is a known
issue identified by Citrix.
Map a USB headset into the session and
record the audio with the mapped USB
headset.
DTOS-2745 The application fails to reconnect to one or more sessions if
there are more than two disconnected sessions.
Manually reconnect the disconnected session.
DTOS-2674 The analog headset output sound quality is not good when
using the Webex application.
Use a USB headset.
DTOS-2613 The thin client may restart automatically if you disconnect
the ICA session from the Citrix desktop viewer toolbar.
There is no workaround in this release.
DTOS-2777 The thin client may restart when you sign out of your Citrix
account.
There is no workaround in this release.
DTOS-2542 The ICA session may stop responding for about a minute
once the Citrix Workspace app log is enabled and starts to
join the Microsoft Teams meeting.
Disable the Citrix Workspace app log capture.
DTOS-2781 The user is unable to open any system window when the
user tries to log in using Citrix Netscaler and Smartcard
server.
Restart the thin client.
DTOS-2541 The Microsoft Teams video may stop responding. This is a
known issue identified by Citrix.
There is no workaround in this release.
Fixed issues
Table 12. Fixed issues
Issue ID Description
DTOS-2549 Fixed an issue where the user is unable to launch a Citrix session. This issue is fixed by Citrix.
DTOS-2339 Fixed the issue where the Citrix session may get disconnected when attending a Microsoft Teams
meeting or a call for a long duration of time. This issue is fixed by Citrix.
DTOS-2146 Fixed the issue where audio and video are not clear when more than two users have joined the MS
Teams meeting.
DTOS-2029/
DTOS-1625/
DTOS-1566/
DTOS-1463/
DTOS-1462/
DTOS-1413/
DTOS-1015
Fixed the issue where audio is distorted when screen is shared during a Microsoft Teams meeting. This
issue is fixed by Citrix [RFLNX-6537].
Citrix Workspace app 2104 package for ThinOS 15