Skipping the chest animation entirely? (Possible spoilers for late-game mechanics)
I noticed something on a run today and I'm not entirely sure what triggered it.
I was running Inverse Boss Rash to unlock something and I'd gotten to the point where I was obliterating everything on screen and otherwise just waiting out the clock. I realized I hadn't seen any chest popups lately and watched until I saw a chest appear and get drawn into me. Instead of an animation I just saw "Evolution!" appear above Dark Soma's head. I checked and found that the chest had evolved one of my weapons.
When was this added, and what triggers it? I was seeing chest screens earlier in the run, so I'm guessing it's either linked to going into the fastest fast forward mode or getting x chests in the same run.