Dell Wyse ThinOS Version 9.1.4097, 9.1.4234, 9.1.5067, and 9.1.6108 Operating System Release Notes

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Known issues

Table 1. Known issuesKnown issues
Issue ID	Description	Workaround
DTOS-6296	Serial redirection does not work in VMware Horizon Blast	There is no workaround in this release.
DTOS-6386	During a Citrix session, if you enable multiple audio and open the Recording tab from the Sound window, the session gets disconnected. This issue is observed on devices that run ThinOS version 9.1.5067 with Citrix Workspace app version 2112.	Do not open Sound > Recording. You cannot switch the recording device in Windows Sound settings.
DTOS-6426	There is no audio on the videos played using Multimedia redirection. This issue is observed on devices that run ThinOS version 9.1.5067 with Citrix Workspace app version 2112.	Go to Peripherals > Audio on the client and click OK. The audio will resume playing.
DTOS-6757	A green shadow is visible on the session window when a video is played locally using VLC player. This issue is observed on devices that run ThinOS version 9.1.5067 with Citrix Workspace app version 2112.	Close and reopen the video.
DTOS-6645	Sometimes, during an ICA session launch or disconnection, an error message is displayed due to a missing ./ICAClient/ appsrv.ini file. This issue is observed on devices that run ThinOS version 9.1.5067 with Citrix Workspace app version 2112.	Uninstall and reinstall the Citrix Workspace app package.
DTOS-6026	If you connect a second camera to the client during an RTME video call, the thin client restarts. This issue is observed on devices that run ThinOS version 9.1.5067 with Citrix Workspace app version 2112.	There is no workaround in this release.
DTOS-6363	Smartcard is not detected after you disconnect a broker session that was logged in using a smartcard. The issue occurs when thin client resumes from sleep mode. This issue is observed on devices that run ThinOS version 9.1.5067 with Citrix Workspace app version 2112.	Workaround is to force restart the thin client.
DTOS-5639	CPU utilization reaches 100% during a WebEx Teams VDI call. This issue is observed on Wyse 5470 thin clients.	There is no workaround in this release.
DTOS-6741	The default audio input and output device does not change when you change the default audio device from the application in a session. The default device that is selected on the client is used for audio input and output. The issue occurs when multiple audio is enabled. This issue is observed on devices that run ThinOS version 9.1.5067 with Citrix Workspace app version 2112.	Disable multiple audio.
DTOS-6341	DriverName in smartcard settings is changed from VDSCARDV2.DLL to VDSCARD.DLL when you connect to Wyse Management Suite or when you remove the smartcard settings from VDI settings. This issue is observed on Wyse 5470 All-in-One devices that run ThinOS version 9.1.5067 with Citrix Workspace app version 2112.	Either reset the client to factory settings or manually configure VDSCARDV2.DLL/VDSCARD.DLL in Admin policy Tool/Wyse Management Suite policy settings.
DTOS-6028	Inverting the cursor color in Citrix does not work. This issue is observed on devices that run ThinOS version 9.1.5067 with Citrix Workspace app version 2112.	Remove the cursor setting from Advanced > VDI Configuration Editor > Citrix Configuration Editor and then configure the cursor pattern setting from Advanced > Session Settings > Citrix Session Settings in Admin Policy Tool or Wyse Management Suite policy settings.
DTOS-6775	If you enable multiple audio and play online videos or sounds, always the inbuilt audio device of the thin client is used. The issue is observed in Windows server 2016 or 2019 VDA.	Disable multiple audio. The audio will resume playing from the audio device that the user selects.