• Update Cytron Pico SPI pinout (#869)
• Add WDT functions to RP2040 Helper (#862)
• Adds Challenger RP2040 NFC board (#846)
• Enabled static memory allocation with example (#842)
• Minor - Add number separators (#845)
• Minor tweak, NULL=>nullptr (#844)
• Remove duplicated ArduinoCore-API files (#840)
• Increase SerialUSB speed (#833)
• Add Serial3 for Arduino Nano Connect RP2040. Fix #807 (#838)
• Restore GPIO functions on SerialUART::end (#836)