About this release

What’s new in 1903

Updated framework

Updated the Citrix Secure Browser engine to include the latest security updates, to ensure better security and performance when accessing secure SaaS apps.

What’s new in 1902

Enhancement to relative mouse configuration

The relative mouse feature determines how far the mouse has moved since the last frame within a window or screen. The relative mouse uses the pixel delta between the mouse movements. For example, when you change the direction of the camera using mouse controls, the feature is efficient. Also, apps often hide the mouse cursor because the position of the cursor relative to the screen coordinates is not relevant when manipulating a 3-D object or scene.

So far, the user can enable or disable the feature from the desktop viewer and it is available on a per-session basis. Starting with this release, you can configure the feature both on a per-user and a per-session basis. This gives you more granular control on the availability of the feature.

For more information, see Relative mouse.

Introducing new SDK

The Certificate Identity Declaration (CID) SDK is being introduced with this release. The CID SDK lets developers create a utility using which Citrix Workspace app can authenticate to the StoreFront server by using the certificate installed on the client machine.

For more information, see Certificate Identity Declaration SDK for Citrix Workspace app for Windows documentation.

What’s new in 1812

Updated framework

The Chromium embedded framework on which Citrix Secure Browser is built is updated to Version 70. This results in a better user experience when accessing secure SaaS apps.

What’s new in 1811

Note:

Version 1811 of Citrix Workspace app is packaged with Citrix Virtual Apps and Desktops 7 1811. It is not available separately for download. All features and functionality of Version 1811 are also included in Version 1812.

Virtual display layout

This feature lets you define a virtual monitor layout that applies to the remote desktop and to virtually split a single client monitor into up to eight monitors on the remote desktop. You can configure the virtual monitors on the Monitor Layout tab in the Desktop Viewer. There, you can draw horizontal or vertical lines to separate the screen into virtual monitors. The screen is split according to specified percentages of the client monitor resolution.

You can set a DPI for the virtual monitors that is used for DPI scaling or DPI matching. After applying a virtual monitor layout, resize or reconnect the session.

This configuration applies only to full-screen, single-monitor desktop sessions, and does not affect any published applications. This configuration applies to all subsequent connections from this client.

Display graphics mode indicator

The Display graphics mode indicator policy has been updated to replace the display lossless indicator policy.

This setting configures the graphics mode indicator to run in the user session. It allows you to see details about the graphics mode in use, including graphics provider, encoder, hardware encoding, image quality, progressive display status, and lossless text.

By default, the Display graphics mode indicator policy is disabled. It replaces the Display lossless indicator policy of earlier releases, which was enabled by default.

DPI matching on Windows 10

DPI matching allows the Windows 10 desktop session to match the DPI of the endpoint when using Citrix Workspace app for Windows.

Note:

This setting is disabled by default. DPI matching is enabled whenever the DPI scaling setting is set to No. When using VM hosted apps, the DPI is set to 100% by default.

HDX adaptive throughput

HDX adaptive throughput intelligently fine-tunes the peak throughput of the ICA session by adjusting output buffers. The number of output buffers is initially set at a high value. This high value allows data to be transmitted to the client more quickly and efficiently, especially in high latency networks.

Providing better interactivity, faster file transfers, smoother video playback, higher framerate, and resolution results in an enhanced user experience.

Session interactivity is constantly measured to determine whether any data streams within the ICA session are adversely affecting interactivity. If that occurs, the throughput is decreased to reduce the impact of the large data stream on the session and allow interactivity to recover.

This is feature is supported only on Citrix Workspace app 1811 for Windows and later.

Important:

HDX adaptive throughput changes the way that output buffers are set by moving this mechanism from the client to the VDA. Therefore, adjusting the number of output buffers on the client as described in CTX125027 has no effect.

Client drive mapping performance improvements

Client drive mapping now supports the transfer of data between the host and the client as a stream. This enhancement ensures that the file transfer adapts to the changing network throughput conditions.It also uses any available extra bandwidth to scale up the data transfer rate.

By default, this feature is enabled. These improvements require Citrix Workspace app for Windows 1811 or later.

To disable this feature, set the following registry key and then restart the server:

Path: HKEY_LOCAL_MACHINE\System\Currentcontrolset\services\picadm\Parameters Name: DisableFullStreamWrite Type: REG_DWORD Value: 0x01 - disables 0 or delete - enables

What’s new in 1810

Option to choose Citrix Files download location

Citrix Workspace app now lets you select the download location for Citrix Files. Earlier, the download location for Citrix Files, by default, was set to the Downloads folder. Now, the download location is configurable.

You can set the download location using either the Advanced Preferences dialog or the Registry editor.

For information about configuring Citrix Files download location using the Registry editor, see Configuring download location for Citrix Files using the Registry editor.

For information about configuring Citrix Files download location using Advanced Preferences dialog, see Configuring download location using Advanced Preferences in Citrix Workspace app for Windows Help documentation.

Additionally, this release address a number of fixes relating to installation, launch and Citrix Workspace app for Citrix Cloud.

What’s new in 1809

Support for Citrix Ready workspace hub for Citrix Casting

The Citrix Ready workspace hub combines digital and physical environments to deliver apps and data within a secure smart space. The complete system connects devices (or things), like mobile apps and sensors, to create an intelligent and responsive environment.

Citrix Ready workspace hub is built on the Raspberry Pi 3 platform. The device running Citrix Workspace app connects to the Citrix Ready workspace hub and casts the apps or desktops on a larger display. Citrix Casting is supported only on Microsoft Windows 10 Version 1607 and later or Windows Server 2016.

Using the Advanced Preferences dialog, you can configure whether you want to launch Citrix Ready workspace hub when Citrix Workspace app is launched.

Note:

  • Citrix Casting for Windows supports Citrix Ready workspace hub Version 2.40.3839 and later. Workspace hub with earlier versions might not get detected or cause a casting error.
  • The Citrix Ready workspace hub feature is not supported on Citrix Workspace app for Windows (Store).

For more information about Citrix Ready workspace hub in Citrix Workspace app for Windows, see Configuring Citrix Ready workspace hub.

For more information about Citrix Ready workspace hub, see the Citrix Ready workspace hub section in the Citrix Virtual Apps and Desktops documentation.

What’s new in 1808

Secure SaaS with embedded Citrix Secure Browser

Secure access to SaaS applications provides a unified user experience that delivers published SaaS applications to the users. SaaS apps are available with single sign-on. Administrators can now protect the organization’s network and end-user devices from malware and data leaks by filtering access to specific websites and website categories.

Citrix Workspace app for Windows support the use of SaaS apps using the Access Control Service. The service enables administrators to provide a cohesive experience, integrating single sign-on, and content inspection.

Delivering SaaS apps from the cloud has the following benefits:

  • Simple configuration – Easy to operate, update, and consume.
  • Single Sign-on – Hassle-free log on with single sign-on.
  • Standard template for different apps – Template-based configuration of popular apps.

For information on how to configure SaaS apps using Access Control Services, see the Access Control documentation.

For more information about SaaS apps with Citrix Workspace app, see Workspace configuration.

Single Sign-on support with Citrix Gateway

Single Sign-on lets you authenticate to a domain and use Citrix Virtual Apps and Desktops delivered by that domain without having to reauthenticate to each app or desktop. When you add a store using the Storebrowse utility, your credentials are passed through to the Citrix Gateway server, along with the apps and desktops enumerated for you, including your Start menu settings. After configuring Single Sign-on, you can add the store, enumerate your apps and desktops, and launch the required resources without having to type your credentials multiple times.

For information about configuring single sign-on with Citrix Gateway, see Configuring single sign-on with Citrix Gateway.

Beacon test

With this release, Citrix Workspace app allows you to perform a beacon test using the Beacon checker that is available as part of the Configuration Checker utility. Beacon test helps to confirm if the beacon (ping.citrix.com) is reachable. This diagnostic test helps to eliminate one of the many possible causes for slow resource enumeration, that is beacon not being available.

To run the test, right-click the Citrix Workspace app in the notification area and select Advanced Preferences > Configuration Checker. Select Beacon checker from the list of Tests and click Run.

The test results can be any of the following:

  • Reachable – Citrix Workspace app is successfully able to contact the beacon.
  • Not reachable - Citrix Workspace app is unable to contact the beacon.
  • Partially reachable - Citrix Workspace app is able to contact the beacon intermittently.

Note:

  • The test results are not applicable on Workspace for Web.
  • The test results can be saved as reports. The default format for the report is .txt.

Storebrowse utility for Citrix Workspace app

Storebrowse is a lightweight command-line utility that is used to interact between the client and the server. It is used to authenticate all the operations within StoreFront and with Citrix Gateway.

Using the Storebrowse utility, administrators can automate the following day-to-day operations:

  • Add a store.
  • Enumerate the published desktops and applications from a configured store.
  • Generate an ICA file manually by selecting any published desktop or application.
  • Generate an ICA file using the Storebrowse command-line.
  • Launch the published application.

The Storebrowse utility is part of the Authmanager component. After installing the Citrix Workspace, the Storebrowse utility is located in the AuthManager installation folder. For more information, see the Storebrowse section.

Support for PDF printing

With this release, Citrix Workspace app for Windows supports PDF printing in a session. The Citrix PDF Universal Printer driver allows you to print documents that are launched using hosted applications and desktops running on Citrix Virtual Apps and Desktops.

When you select the Citrix PDF Printer option from the Print dialog, the printer driver converts the file to a PDF and transfers the PDF to the local device. The PDF is then launched using the default PDF viewer for viewing and prints from a locally attached printer.

Citrix recommends Google Chrome browser or Adobe Acrobat Reader for PDF viewing.

You can enable Citrix PDF printing using Citrix Studio on the Delivery Controller.

For information about how to configure PDF printing, see PDF printing.

Chrome enhancement to browser content redirection

Browser content redirection now supports the Google Chrome browser in addition to the previously supported Internet Explorer browser. Browser content redirection redirects the contents of a web browser to a client device, and creates a corresponding browser embedded within the Citrix Workspace app. This feature offloads network usage, page processing, and graphics rendering to the endpoint. Doing so improves the user experience when browsing demanding webpages, especially webpages that incorporate HTML5 or WebRTC video.

For more information, see Browser content redirection.

Better network throughput over high latency connections

The default number of ICA output buffers that are used to send and receive data has been raised from 44 (64 Kilobytes) to 100 (~145 Kilobytes). This change delivers improved throughput performance even on high latency connections. This enhancement applies to only Citrix Workspace app 1808 for Windows or higher.

For more details, see CTX125027.

Client drive mapping support for large file transfers

Client drive mapping now supports transfers of files larger than 4 Gigabytes. The required minimum version for Citrix Workspace app for Windows is 1808.

Support for Citrix Analytics

Citrix Workspace app is instrumented to securely transmit logs to Citrix Analytics. The logs are analyzed and stored on Citrix Analytics servers when enabled. For more information about Citrix Analytics, see Citrix Analytics.

Fixed issues

Fixed issues in 1903

This release addresses a number of issues that help to improve overall performance and stability.

Fixed issues in 1902

Installing, Uninstalling, Upgrading

  • After you upgrade Citrix Receiver for Windows to Version 4.9 CU4, the registry key that is required for custom virtual channel might not be preserved. [LD0633]

Keyboard

  • When the Local IME or the local keyboard layout synchronization feature is enabled if you press the key combination that includes the right Ctrl and right Shift keys, the Shift key might remain stuck in the down position. [LD0585]

Session/Connection

  • An authentication issue might occur when there are two stores in different states. One is in the ON state and the other is in the OFF state. [LC9511]
  • Start multiple applications within a hosted shared desktop. If you switch between the clients or perform a disconnect or a reconnect operation, this error message might appear:

    Citrix HDX Engine has stopped working Exception caused the program to stop working correctly. Please close the program. [LC9772]

  • When you attempt to access published desktop applications, the session might disconnect. After the session disconnects, the wfica32.exe process exits unexpectedly. [LC9966]
  • The CPU usage of the wfica.32.exe process might be high in a double hop scenario. [LD0386]
  • When you run a function that calls a web URL within the Bloomberg terminal published application, the URL might not be redirected to the user device. [LD0484]
  • With Application Lingering configured, published applications might fail to reopen an existing file after the session is disconnected. [LD0742]
  • Attempts to switch from the front to rear facing camera might fail if the display name of the published desktop contains non-ASCII characters. [LD0732]

System Exceptions

  • With the bidirectional content redirection policy enabled, the Redirector.exeprocess might exit unexpectedly when you attempt to open a webpage on the local web browser. As a result, the bidirectional content redirection does not work, and this error message appears:

    Citrix FTA, URL Redirector stopped working. [LD0420]

  • The wfica32.exe process might exit unexpectedly. The issue occurs when the proxy settings are configured and you attempt to start a new session in the Citrix Receiver for Web. [LD0548]

User Interface

  • When you select the Reset Receiver option, the Citrix Receiver for Windows might request that you install the .Net Framework 3.5 on Microsoft Windows Version 10. [LD0690]

Fixed issues in 1812

This release addresses a number of issues that help to improve overall performance and stability.

Fixed issues in 1811

Keyboard:

  • The mouse clicks might not generate responses on the remote session. This issue can occur when you open the Preferences window from the Desktop Viewer toolbar and configure the MouseTimer setting to any value other than the default value. [LD0260]

Session/Connection:

  • Attempts to start an application might fail and this error message appears:

    Unable to launch your application. Contact your help desk and provide them with the following information: Cannot open the Citrix Receiver.

    To enable the fix, the administrator must set the following registry key:

    • Registry key:HKEY_LOCAL_MACHINE\Software\Citrix\ICA Client\Engine
    • Name: EngineTimeout
    • Type: DWORD
    • Value: More than 20 seconds

    To enable the fix, the user must set the following registry key:

    • Registry key:HKEY_LOCAL_MACHINE\Software\Citrix\ICA Client\Engine
    • Name: EngineTimeout
    • Type: DWORD
    • Value: More than 20 seconds,for example, EngineTimeout=20

[LC9771]

  • Applications that are started using Citrix Receiver for Windows might be mirrored onto the secondary monitor. [LC9893]
  • When using a barcode reader, some of the data might be lost when sending a large amount of data. [LD0243]

Fixed issues in 1810

Session/Connection:

  • After you upgrade Citrix Receiver for Windows to Version 4.9.1000, the CDViewer might display a gray screen when you log off. [LC9290]
  • A GDI object release issue might cause high CPU usage by the wfica32.exe process. [LC9356]
  • After changing the internal beacon point in StoreFront, you might not be able to start applications from Citrix Receiver for Windows until you restart the Citrix Receiver. [LC9442]
  • An authentication issue might occur when there are two stores in different states. One is in the ON state and the other is in the OFF state. [LC9511]
  • A syntax error might occur in the receiver.admx file that is pushed from Azure Mobile Device Management (MDM) Intune. [LC9992]
  • If you do not choose the default program when you configure the File Type Association for .docx for the first time, the following error message might appears:

Windows cannot access the specified device, path, or file. You may not have the appropriate permissions to access the item. [LD0026]

  • With this fix, when the minimized window of a seamless application is placed on a desktop rather than the taskbar, the window might appear correctly. [LD0034]
  • After you install the Citrix Receiver for Windows 4.12 using the command line with the EnableTracing=false option, the configuration wizard does not start when you right-click Receiver > Open. [LD0156]
  • The published instance of certain third-party applications might open as transparent applications when using the NVIDIA graphic cards. [LD0175]
  • The local application shortcuts that are created from the Control Panel icon cannot be started with KEYWORDS:Prefer that is configured from Citrix Studio. [LD0288]
  • In a user-installed instance of Citrix Workspace app for Windows, launching a published SaaS application might fail. [RFWIN-9329]

    As a workaround, perform the following procedure:

    1. Launch the Registry editor and navigate to HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Citrix directory.
    2. Create both a folder by name browser and an Expandable String Value registry key by name InstallDir.
    3. Set the value of the key to %localAppData%\Citrix\ICAClient.

    For more information about this issue, see Knowledge Center article CTX237199.

System Exceptions:

  • The Citrix Receiver for Windows might exit unexpectedly and this error message appears: Citrix HDX Engine has stopped working.

    The issue occurs when there is a trap in the graphics module. [LC9466]

  • The wfica32.exe process might exit unexpectedly when you log off the system. [LC9892]
  • The wfica32.exe process might exit unexpectedly when using the command for toggling the generic client IME or the local IME. [LD0038]

Fixed issues in 1809

Logon/Authentication:

  • When using Citrix Receiver for Windows to add an account, typing the store URL might result in the following error message: The Authentication Service might not be contacted. The issue occurs when a StoreFront URL begins with the text string citrix.com. [LC9631]

Session/Connection:

  • When using Citrix Receiver for Windows 4.10.1, you might not be able to exit from certain published applications. The issue occurs when the confirmation message Are you sure does not appear while you attempt to exit from the applications. [LC9353]
  • Attempts to start an application through a secure connection might fail. The issue occurs when the certificate length is long with long subject and log issue names. [LC9853]
  • Citrix Receiver for Windows 4.11 might exit intermittently and display this error message: This Application crashed. The issue occurs because of the faulting application, wfica32.exe. [LC9890]

User Interface:

  • Non-seamless windows might be resized incorrectly and display scrollbars. [LC9545]

Fixed issues in 1808

Installing, Uninstalling, Upgrading:

  • When you attempt to install Citrix Receiver for Windows 4.9.2000 using the silent installation command, the installation process might not complete. [LC9587]

Logon/Authentication:

  • After the AuthManSvr.exe process restarts, attempts to log off from Citrix Workspace app for Windows fail. [LC7981]

Session/Connection:

  • The Citrix Receiver for Windows 4.7 might fail to redirect the scanners. The issue occurs when the Twain 2.0 device support causes regression with non-Twain 2.0 devices that are running on VDAs. [LC8215]
  • After you upgrade Citrix Receiver for Windows from Version 13.x to Version 14.4 using the PSExec command, attempts to log on to a store might fail. Additionally, Receiver for Windows might become unresponsive during installation or upgrade when using the PSExec command. With Fix LC9024 installed, the AuthManager components align with other components and install within the ICA client folder. [LC9024]
  • With Local App Access enabled, attempts to start a hosted desktop might fail. The desktop appears to have started but remains forever showing a gray screen. [LC9452]
  • When you start a Java application (Javaw.exe) with LPT Port Redirection policy enabled, the user session might disconnect. [LC9610]
  • Configuration Checker, which validates the single sign-on configuration, might fail to complete the validation process and become stuck verifying the Single Sign-on process. [LC9625]
  • When you switch between multiple published applications using the Win+Tab or Alt+Tab keys, the GDI objects might increase on the client until the applications become unresponsive and display black pixels. [LC9655]

User Experience:

  • When you use the Japanese Input Method Editor (IME) and input text in an application that is in seamless mode, the text might not be visible. The issue occurs when the font size of the text is small. [LC9882] To enable the fix, set the following:
    • Registry key: HKEY_LOCAL_MACHINE\SOFTWARE\Citrix\ICA Client
    • Name: DisableD3DRenderWidthHeightCheck
    • Type: REG_DWORD
    • Value: 1

Known issues

Known issues in 1903

No new issues have been observed in this release.

Known issues in 1902

No new issues have been observed in this release.

Known issues in 1812

  • Image corruption can be observed in sessions running on VDAs with the latest NVIDIA GPUs. Citrix is working on addressing the issue.

Known issues in 1810

  • Pass-through authentication fails after you upgrade Windows 10 on a computer where Citrix Workspace app is installed. For more information, see Knowledge Center article CTX234973. [TPV-1916]

Known issues in 1809

No new issues have been observed in this release.

Known issues in 1808

  • Exiting the Citrix Workspace app for Windows installation when the splash screen appears might cause conflicts. [RFWIN-9298]
  • When you install Citrix Receiver for Windows Version 4.11 on a Windows 10 Operating system (build number 10240), the connection to the VDA might result in a Socket error 10038.

    To fix this issue, upgrade Windows 10 Operating system build number 10240 to Windows 10 Operating system build number 1803.

    For more information, see Knowledge Center article CTX237203.

Third party notices

Citrix Workspace app might include third party software licensed under the terms defined in the following document:

Citrix Workspace app for Windows Third Party Notices