I'm developing with a Raspberry Pi Pico (RP2040) and a nightly image of v1.20.0

>>> sys.version
3.4.0; MicroPython v1.20.0-494-g72ef2e629 on 2023-09-27

Downloaded from:

• https://micropython.org/download/RPI_PICO/

I've come across two cases so far when the documentation does not match what's actually on the UF2 images.

Examples:

1. sys.atexit
   This function is referenced by the documentation for 1.20.0 and latest
   • https://docs.micropython.org/en/v1.20.0/library/sys.html#sys.atexit
   • https://docs.micropython.org/en/latest/library/sys.html#sys.atexit
     However, it is not defined

   import sys
   sys.__dict__
   {'__name__': 'sys', 'argv': [], 'version': '3.4.0; MicroPython v1.20.0-494-g72ef2e629 on 2023-09-27', 'version_info': (3, 4, 0), 'implementation': (name='micropython', version=(1, 20, 0), _machine='Raspberry Pi Pico with RP2040', _mpy=4358), 'platform': 'rp2', 'byteorder': 'little', 'maxsize': 2147483647, 'exit': <function>, 'stdin': <io.FileIO 0>, 'stdout': <io.FileIO 1>, 'stderr': <io.FileIO 2>, 'modules': {'font10': <module 'font10' from 'font10.py'>, 'rp2': <module 'rp2' from 'rp2.py'>}, 'print_exception': <function>}
   

2. ustruct
   This module isn't defined in the documentation for 1.20.0 or latest, however, it can still be imported. My current assumption is that ustruct points to struct and they are not separate modules, but this is not reflected in the documentation.
   • https://docs.micropython.org/en/latest/search.html?q=ustruct&check_keywords=yes&area=default
   • https://docs.micropython.org/en/v1.20.0/search.html?q=ustruct&check_keywords=yes&area=default

   >>> import ustruct
   >>> print(ustruct.__dict__)
   {'__name__': 'struct', 'calcsize': <function>, 'pack': <function>, 'pack_into': <function>, 'unpack': <function>, 'unpack_from': <function>}
   >>> import struct
   >>> print(struct.__dict__)
   {'__name__': 'struct', 'calcsize': <function>, 'pack': <function>, 'pack_into': <function>, 'unpack': <function>, 'unpack_from': <function>}