I asked about this in June and this is the response I got: [#709]( Feedback Wanted: Scriptable Render Pipelines page-15#post-3541972)
So nothing concrete really except they know area lights in general need improvement and intend to work on that feature in general. I think I saw some work done on area lights in github since then, but nothing major in terms of new features so far, although I wasnt following too closely.