Not sure if this is the update which allows for up-selling or the rare materials (as seen in IGP's videos), if it's not, never mind. Also, the chest can be re-opened multiple times if you save and exit to the main menu (might have been planned but still)
0.0.9e can Upsale, by 1-tier.
Should still be 1-tier in the newer IGP videos
The reopened part is known. - It deals with the fact that it is impossible (currently) to save the contents or lack thereof of it, thus, the game has to deal with it that way..... It's probably going to be resolved in some time,
kinda figured that the endless chest thing is not that easily fixed atm, just thought I'd bring it up. also, what's with the standard grips? the customers don't want the old, standard grips. little frustrating. same with the overabundance of rare polearm grips and lack of rare 1 or 2 hand grips. I have like, 40 polearm grips and they can't be used