- Solder bridges SB1 and SB2 added. This allows the user to select whether pins 3 and 4 of the left pin header are GND or GPIO10 and 11 respectively.
- Remove 3.3V power indicator.
- Replace USB Type-C to mid-mount receptacle, from "HRO TYPE-C-31-M-12" to "918-418K2024S40000".
- Change the bottom row pinout, from "GP10, 11, 12, 16, 17" to "GP12, 13, 14, 16, 17".
- Increase the size of SWDIO and SWCLK pads.
- Change the D1 footprint to hand soldering version.
- Replace the LED series resistor with a higher resistance value.
First release.