https://github.com/devttys0/binwalk/releases/tag/v2.1.1
http://binwalk.org/
https://github.com/devttys0/binwalk/wiki
New to 2.1.1:
Many bug fixes
New/improved file signatures
Disassembly scans (using the Capstone Engine)
Improved raw Deflate compression detection and extraction
Raw LZMA compression detection and extraction
Improved false positive detection for common compressions (Zlib, LZMA)
An IDA plugin for running binwalk inside of IDA
Integration of better extraction utilities (e.g., sasquatch for SquashFS, jefferson for JFFS2)
Removal of all C library dependencies, including libmagic – pure Python!
Native Windows support!
Firmware Security 