Cctools 6.5 //free\\ Jun 2026

Previously, modifying an existing binary’s dependency paths ( @rpath , @loader_path , etc.) could corrupt the code signature if not handled carefully. Cctools 6.5 introduces a --preserve-sig flag (non-destructive) and better validation of LC_DYLD_INFO_ONLY commands. This is a lifesaver for post-build staging processes.

Are you still using Cctools 4.x? You’re missing out on five years of Mach-O evolution. Upgrade to 6.5 today. Cctools 6.5

: For developers who need the latest features, the software can be built manually using the standard ./configure && make && make install workflow. Use Cases across Research making installation much easier.

CCTools 6.5 has moved away from monolithic compiled binaries and is now distributed as a Python package, making installation much easier. Cctools 6.5