Release 2 has the following fixes / added features:

-SPI interface rerouted for native Raspberry Pi support

-Resistor values increased for VOC sensors

-Resistors added to DOUT and DRDY lines for consistency and debugging

-Solder pads for TX0, TX1, and DAC B changed to terminal blocks

-Dedicated ground line added to terminal blocks as well

-Silkscreen error fixed (C13 & C14)

-P nets renumbered to make sense

-Logo enhanced to appear more porcine