App Layering

What’s new in App Layering 4.15

Release date: October 26, 2018

This release includes the following features and improvements.

  • Support for new hypervisor, provisioning service, and connection broker versions: We now support the following versions of hypervisors, provisioning services, and connection broker software:

    • Citrix Hypervisor 7.6
    • VMware Horizon View 7.6
    • Citrix Virtual Apps and Citrix Virtual Desktops versions 7 1808
    • Citrix XenApp/XenDesktop 7.15 LTSR CU3
    • Citrix PVS version 1808

    For a complete list of system requirements, click here.

  • Improved performance of Citrix Hypervisor connector: Performance improvements were made to the Citrix Hypervisor connector to use caching more effectively and decrease App layer Version creation times.

  • Support for Windows 10 Version 1803, 64-bit (Professional): New installations of Windows 10 Version 1803, 64-bit Professional can now be used as the OS layer.

  • Azure connector for MCS: There is now a separate connector to use for Citrix MCS on Azure. This connector defaults to the Not generalized option and improves user experience for MCS use cases on Azure by eliminating extra steps. For details, click here.

  • VM template support for Hyper-V connector: Hyper-V connector configurations now have the option of using a Template VM in addition to the option of specifying individual settings for virtual machines that are created when packaging and publishing. For details, click here.

Labs features in this release

Labs features are previews of potential functionality for future releases. While a feature is in Labs, do not use it in production. There is no guarantee that a Labs feature will become part of the product, nor that the feature will work as originally designed if and when it is released.

The Labs features available in this release include the following:

  • App layers can be assigned as Elastic layers on layered images that use a different OS layer: Until now, Elastic layer assignments required that the App layer assigned use the same OS layer that was used to create the App layer. Now you can try assigning an App layer as an Elastic layer on a layered image that uses a different OS layer.


    There is no guarantee that an App layer can work on a different OS layer than the one used to create it. If there are issues, you can disable this feature and allow the app layer to be used only with the OS that you used to create the layer.

To use a Labs feature, enable it first.

Supported platforms

For information about platforms supported by Citrix App Layering, see System requirements.

Upgrade path

For the latest fixes and features, including compatibility with other software packages that you use, we encourage you to stay current with the App Layering upgrades.

If you have chosen to stay on a version of the App Layering product released before version 19.1, see the Upgrade article for the upgrade path and the download link for the version to which you are upgrading.

What’s new in App Layering 4.15