AF3 Help is entirely broken under Linux
Observed Behavior
The help view just hangs and cannot be closed. AF3 crashes as a whole and must be force closed after opening the hel This bug was already present in the 2.17 release and was filed as a nofix.
The issue has been reported upstream to eclipse and seems related to JFX: https://bugs.eclipse.org/bugs/show_bug.cgi?id=564911
Proposed Solution
Do not use the built-in eclipse mechanism for displaying the help, but a custom one like for the DSE perspective hel
(from redmine: issue id 4083, created on 2020-11-04)