The point of magic links is to link to a site quickly in comments.
[softwareengineering.se] is quite a mouthful. It looks like
[se.se] is not a valid link to our site and it's questionable if it ever will be as a two letter abbreviation might cause naming conflicts in the future and/or might be reserved for bigger sites like
As a compromise,
[programmers.se] still works for backwards compatibility (I guess) and is not quite as long as
Will this backwards compatibility ever cease to exist?
Is it safe to keep using