Apple Recommended / Verified Community Solution
This canonical solution was verified and marked as solved in the Apple Support Community archive.
Injecting official Apple Silicon Homebrew environment evaluation into ~/.zprofile.
Here is the exact step-by-step diagnostic and remediation procedure verified by Apple Certified Support Professionals:
- Add native ARM64 prefix to profile:
echo 'eval "$(/opt/homebrew/bin/brew shellenv)"' >> ~/.zprofile
eval "$(/opt/homebrew/bin/brew shellenv)"
- Verify native execution:
which brew
file $(which brew) # must output: Mach-O 64-bit executable arm64
- Run diagnosis:
brew doctor
Following this procedure restores full stability with zero recurring log errors.
MacBook Pro 16″ M3 Pro (36GB) | Studio Display | Magic Mouse & Trackpad | Salt Lake City, UT
Apple Certified Support Professional (ACSP) | Product Designer & Design Systems Lead
