xdis: Python Cross-Version Byte-Code Disassembler

xdis is a Python library that provides a cross-version byte-code disassembler and marshal routines. It enables the inspection and manipulation of Python bytecode across a wide range of Python versions, from 1.0 up to 3.15+. The current version is 6.3.0, and it maintains an active release cadence, frequently updating with support for new Python versions and their respective bytecode changes.