Code size report:

Reference:  zephyr: Add support for GC split-heap. [3d9a3e8]
Comparison: rp2/boards/SOLDERED_NULA_RP2350: Add board image and webpage url. [merge of 27d0b2f]
  mpy-cross:    +0 +0.000% 
   bare-arm:    +0 +0.000% 
minimal x86:    +0 +0.000% 
   unix x64:    +0 +0.000% standard
      stm32:    +0 +0.000% PYBV10
     mimxrt:    +0 +0.000% TEENSY40
        rp2:    +0 +0.000% RPI_PICO_W
       samd:    +0 +0.000% ADAFRUIT_ITSYBITSY_M4_EXPRESS
  qemu rv32:    +0 +0.000% VIRT_RV32

I did not compare the defintions yet with the ones for RPI Pico 2 W, which seems to be similar.

I did not compare the defintions yet with the ones for RPI Pico 2 W, which seems to be similar.

The board has a MicroSD card slot as well as many more accessible pins compared to the Pico 2W

You have enabled the CYW43 module. Does it use the same connections as the Pico 2W?

You have enabled the CYW43 module. Does it use the same connections as the Pico 2W?

Yes, it does.