Dell ThinOS 2211, 2208, and 2205 Release Notes

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Known issues

Table 1. Known issuesKnown issues
Issue ID	Description	Workaround
DTOS-10869	Dell Latitude 3420 cannot support 4K resolution at 60 Hz.	There is no workaround in this release. This is a hardware limitation.
DTOS-10932	The second screen connected to Dell OptiPlex 5400 All-in-One with i3 processor using an HDMI port displays a blank screen.	Use a monitor with 4K resolution at 30 Hz.
DTOS-10282	SD card does not work in Dell OptiPlex 5400 All-in-One.	There is no workaround in this release.
DTOS-10296	Poly EagleEye Mini webcam does not work with some resolutions.	Disable Optimize for CPU, set resolution to 1280x720 or 1920x1080, and click OK.
DTOS-11816	Global Connection Setting screen is displayed behind the devices screen.	Close the Citrix Devices window.
DTOS-11792	The icon of WebAuth is in white color and cannot be seen properly in Light mode.	This is a user interface issue and does not impact functioning.
DTOS-11019	In Span mode, when APT is launched, a portion of the APT window flickers in the secondary monitor.	This is a user interface issue and does not impact functioning.
DTOS-9644	When the same build is uploaded for the second time from Admin Policy Tool, a successful message is displayed.	This is a user interface issue and does not impact functioning.
DTOS-11988	Error message update is required when logging in using an invalid AWS registration code.	Correct the registration code.
DTOS-12112	An error message Package not installed is not displayed when launching Citrix Broker agent without Citrix Workspace app installed.	Ensure that Citrix Workspace app package is installed.
DTOS-11893	The mouse focus is not left in the AVD web login interface.	Wait for sometime after the AVD Web login interface is displayed.
DTOS-12011	Enabling Single Connection option launches a second RDP session or more desktop sessions.	There is no issue if the second RDP session is added from Wyse Management Suite.
DTOS-11983	After disconnecting the VDI session with fast disconnect key, no event log is observed and the online audio plays in the background.	This does not impact functioning. Wait for the audio to stop and relaunch a new session.
DTOS-10962	After dynamic adjustment rotation, the blast session only shows on the main display and not on both the displays.	Close and relaunch the blast session.
DTOS-11075	PCoIP VDI session is not displayed properly when clicking the maximize button 3–4 times on the top, right side of the window.	Restore or maximize again, and the PCoIP session displays properly.
DTOS-11500	Black patterns are displayed when sharing YouTube videos in a Microsoft Teams video call.	Do not share YouTube videos with BCR enabled in a Microsoft Teams video call.
DTOS-11737	Connection Manager maximizes when default settings are minimized in APT.	There is no workaround in this release.
DTOS-11915	Pressing the Tab key causes the Scan, IPv4 Config, or IPv6 Config buttons to display incorrectly.	Click the buttons using mouse.
DTOS-10221	No space is given for system tools import certificate window.	This is a user interface issue and does not impact functioning.
DTOS-11415	In the login window Username & Username field box, words do not change when selecting other languages like Deutsch, Italiano, or Japanese.	Log in and log off, the username field refreshes to the correct language.
DTOS-9650	Cannot sign on Broker agent when plugging in two same e-Token 5100 smartcards.	Do not use the same smartcard model with same smartcard type simultaneously.
DTOS-10125	After disconnecting the Wi-Fi, the status is shown as connected.	Wait for one minute, the status refreshes.
DTOS-10605	User Interface padding issue on the scan button in Bluetooth section	This is a user interface issue and does not impact functioning.
DTOS-11072	Login Expire Time text field accepts string values without displaying any validation criteria alert.	This is an input validation issue and does not impact functioning.
DTOS-11877	After clicking view certificate, the network setup window closes.	Reopen the network setup window.
DTOS-306	Mouse cursor information dialog box is not displayed on ThinOS 9.0.	Use the nondefault description of the Citrix session.
DTOS-11940	Yellow color border line is displayed in central configuration on ThinOS 9.3.2079 on OptiPlex 5400 All-in-One.	This is a user interface issue and does not impact functioning.
DTOS-11127	USB Disk information is displayed in Printer Name and Printer Identification.	Reconfigure the printer name and identification.
DTOS-11891	There are Zoom error messages in event log after resetting to factory default settings.	Reboot the terminal again.
DTOS-10501	Only one display audio option is shown after plugging in two monitors through HDMI and Type-C port on Latitude 3420.	There is no workaround in this release.
DTOS-10219	The mouse cursor stops responding after turning on restarting Dell OptiPlex 5400 All-in-One.	There is no workaround in this release.
DTOS-11052	After plugging out the analog headset, the integrated microphone on Latitude 3420 does not work for several seconds.	There is no workaround in this release.
DTOS-10834	Display audio through Dell WD19 dock does not work.	There is no workaround in this release.
DTOS-10529	On Dell U4323Q display, the HDMI or DisplayPort audio does not work, after replugging the Type-C cable.	After hot plug, restart the client.
DTOS-10438	Multiple audio devices do not work after signing off and signing in through the Broker agent in Citrix session even after updating the Citrix INI settings in APT.	Do not use more than two headsets if you have enabled multiple audio devices.
DTOS-7403	The supported Frames per Second (FPS) for HDX webcam is inoperative on ThinOS.	There is no workaround in this release.
DTOS-10711	Only four audio devices are displayed in Windows sound settings inside VDI of 2203 Broker agent when AudioRedirectionV4 is enabled in Thin Client.	Do not use more than two headsets if you have enabled multiple audio devices.