This is the 64-bit binary  of ds9 as of September 21, 2019.
It is the version from  the HEA website.

As of June 9, 2018, Leap 15 will not compile the last update of ds9 due to an in
compatibility of ssl code.  The distributed version has the legacy ssl support 
embedded.  

Download the other binaries or the source code  from 

http://hea-www.harvard.edu/RD/ds9/site/Download.html

Alternatively, AstroImageJ provides image display but currently lacks
interactivity with XmCCD through XPA.


