This article describes an issue where end user is unable to launch HOB Applet using Java for Remote Desktop Launcher with Safari 12.
Problem or Goal
After upgrading to Safari 12, end user may experience an issue launching HOB Applet using the Java for Remote Desktop Launcher.
This issue occurs due to the removal for Legacy NPAPI plug-in support. This is documented in Apple release notes for Safari 12.
Due to the recent changes by Apple, Pulse Secure has made additional change to remove Java support for Safari 12. Starting in 9.0R3 and above, Pulse Secure Application Launcher (PSAL) will be used to launch HOB Applet.