@justine maybe because build requires devel/electron40.
devel/electron39 is currently packaged, 40 is not.
<https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270565>
<https://www.freshports.org/net-im/deltachat-desktop/#requiredbuild>
<https://www.freshports.org/devel/electron39/>
