As of right now, the default idle pose for the full-body avatar display is the Rthro idle.
Before, in 2018 or so, there would be a different idle pose. It is currently impossible to use that idle pose.
Then:
Now:
This is something that I would really like to preserve, specifically for blocky avatars. For blocky avatars, the Rthro idle pose is too stiff and looks awkward. Hope this is considered. Thank you!