The low-pro version of the Atreyu V2 was released two months ago, but the files of this MX variant were published just now by designer Jesus Climent:
Better late than never. My Atreyu Rev2 with MX spacing – jcliment.
Specs
Rev2 of the Atreyu keyboard comes with some new features:
New MCU options: Pro Micro (no encoders), Elite-C, Elite-Pi, Puchi, Frood (all the functionality, i.e., OLED, encoders, all keys), Nice!Nano v2 (wireless with all the functionality).
OLED pins for a 32x128 screen over the MCU
Space for a battery, with power kill switch and pins for soldering the battery to the PCB, currently for a 500mAh
Different versions of the PCB will be released for different battery sizes.
5 underglow LEDs (SK6812Mini-E slots) as status indicators.