Thanks for pointing that out .. we’ve fixed the problem !
If you register when downloading Dyalog APL you are entitled to 14 days’ access to patches – so that you can update your interpreter to the latest revision available. For Windows interpreters you can either use the Patch workspace, or you can login to my.dyalog.com and download the latest msps (a single patch file which updates all files in an installation). For other platforms you have to login to my.dyalog.com and download the latest installation image.