- Replaced 2MB QSPI Flash with 4MB QSPI Flash
- Space-optimized power fitler circuit
- Replaced 200mA LDO with 300mA LDO
- Replaced LED on GPIO15 with WS2812-2020 RGB LED + 5V logic shifter for proper operation
- Minor silkscreen changes
- Add QWIIC-compatible 4 Pin JST 1.0mm Header for I2C Expansions
- ADC128S102 12-bit ADC added
- Improved signal integrity
- Changed silkscreen font
- Power rails improved