Homebrew 4.7.0 deprecations/disables/removals

[MikeMcQuaid]

The usual major/minor release deprecation, disables, removals.

Most notable here are:

• dropping support for macOS versions under Catalina
• dropping the Ubuntu 20.04 Docker image
• deprecating support for --quarantine and --no-quarantine

Fixes #20755

[Copilot]

Pull Request Overview

This PR removes Whalebrew support from Homebrew Bundle and updates several deprecated features to their disabled state. The changes include removing Whalebrew integration, deprecating environment variables, updating macOS version references in tests and documentation, and cleaning up deprecated methods.

Key Changes

• Removal of Whalebrew support from brew bundle (including installer, dumper, tests, and documentation)
• Deprecation of HOMEBREW_BREW_WRAPPER and HOMEBREW_NO_FORCE_BREW_WRAPPER environment variables
• Updates to macOS version references from older versions (Mojave, Big Sur, Catalina) to newer ones (Sequoia, Sonoma, Ventura, Tahoe) across tests and documentation
• Removal of deprecated methods (livecheckable?, Time#rfc3339, check_falsy_values)
• Improvements to CLI parser deprecation/disabling handling
• Removal of Ubuntu 20.04 Docker image support

Reviewed Changes

Copilot reviewed 49 out of 50 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
manpages/brew.1	Updated manpage with Whalebrew removal and environment variable deprecation notices
docs/Manpage.md	Updated documentation to reflect Whalebrew removal and deprecated environment variables
docs/Support-Tiers.md	Updated date reference from September to November 2025
docs/Brew-Bundle-and-Brewfile.md	Removed Whalebrew acceptance criteria note
completions/*	Removed Whalebrew options from shell completions (zsh, fish, bash)
Library/Homebrew/utils/string_inreplace_extension.rb	Removed deprecated old_audit_result parameter from gsub! method
Library/Homebrew/test/support/fixtures/cask/Casks/invalid/conflicts-with-disabled-key.rb	Fixed cask name from "deprecated" to "disabled"
Library/Homebrew/test/requirements/macos_requirement_spec.rb	Updated tests to use Tahoe instead of Big Sur and newer macOS versions
Library/Homebrew/test/macos_version_spec.rb	Updated tests from Mojave (10.14) to Catalina (10.15) and newer versions
Library/Homebrew/test/formula_spec.rb	Updated tests to reference newer macOS versions
Library/Homebrew/test/cask/dsl_spec.rb	Fixed terminology from "deprecated" to "disabled"
Library/Homebrew/test/bundle/*	Removed Whalebrew-related tests and updated remaining tests
Library/Homebrew/resource.rb	Removed deprecated livecheckable? method
Library/Homebrew/requirements/macos_requirement.rb	Updated deprecated/disabled macOS versions lists
Library/Homebrew/macos_version.rb	Simplified analytics pretty name method, removed old version mappings
Library/Homebrew/language/python.rb	Uncommented odeprecated call for setup_install_args
Library/Homebrew/formula.rb	Uncommented odeprecated calls and updated documentation example
Library/Homebrew/extend/time.rb	Removed entire file containing deprecated Time#rfc3339 method
Library/Homebrew/env_config.rb	Activated deprecation notices and removed check_falsy_values method
Library/Homebrew/dev-cmd/audit.rb	Changed --token-conflicts from deprecated to disabled
Library/Homebrew/deprecate_disable.rb	Removed deprecated :unsigned reason remapping
Library/Homebrew/cmd/*	Updated CLI options to use new odeprecated: true syntax
Library/Homebrew/cli/parser.rb	Enhanced switch handling with odeprecated and odisabled parameters
Library/Homebrew/cask/dsl/*	Changed conflicts_with handling from deprecated to disabled
Library/Homebrew/bundle/*	Removed Whalebrew support throughout bundle system
.github/workflows/docker.yml	Removed Ubuntu 20.04 support

Files not reviewed (1)

• Library/Homebrew/sorbet/rbi/dsl/homebrew/cmd/bundle.rbi: Language not supported

Comments suppressed due to low confidence (1)

Library/Homebrew/test/macos_version_spec.rb:1

• The hardcoded string "14" should use a constant or variable like MacOSVersion.new(\"14\") for consistency with other expectations in the test, or at minimum should reference the sonoma version that was defined in the range.

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[Copilot]

Pull Request Overview

Copilot reviewed 49 out of 50 changed files in this pull request and generated 2 comments.

Files not reviewed (1)

• Library/Homebrew/sorbet/rbi/dsl/homebrew/cmd/bundle.rbi: Language not supported

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