Thanks :) agree on both, it's nice to see other folks feel the same way.
5 karma · joined July 24, 2018
Simply, the work is saved on the web server and the hash is what is used to refer to it.
Is that what you were after?
In the meantime, if you do some work, then zoom in, then hit save, you'll end up with a much larger render :).
So yes-way, it's just a matter of time & feature priority and this one is a little on the niche side; although it did just get +1 vote :)