The most significant changes since 2.5.0 are macOS Big Sur support on Intel, brew commands replacing all brew cask commands, the beginnings of macOS M1/Apple Silicon/ARM support and API deprecations. homebrew2.6.0 업데이트 후 brew cask를 입력하면 Unknown command: cask라고 뜹니다. brew --cask로 대체하여 사용합니다.