This article is intended for Citrix administrators and technical teams only.

Non-admin users must contact their company’s Help Desk/IT support team and can refer to CTX297149 for more information.

Citrix Workspace App Launcher is not able to launch applications automatically with Safari browser version 12. Citrix Workspace App launcher is not able to trigger the application launch on the Safari 12 browser. This issue is happening after the upgrade of Safari 12. 

   

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Perform the following steps to resolve the issue: 

1. Clean Uninstall the Citrix Workspace App using the Uninstall option inside the downloaded .dmg file. 
2. Reboot the client machine. 
3. Install the Citrix Workspace App for Mac

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Problem Cause

Upgrade from previous version of Receiver for Mac to Citrix Workspace App for Mac seems incompatible with Safari 12, when NPAPI support is removed from Safari 12 

Citrix Workspace App Launcher is not able to launch applications automatically with Safari browser version 12 after NPAPI support is being removed from Safari 12

https://www.citrix.com/blogs/2018/08/03/npapi-support-is-being-removed-from-safari-12/