ENV-6 — Release v0.4.0 (Windows + macOS Python Default Setup)

[NickLinney]

ENV-6 — Release v0.4.0

This issue tracks the execution of release v0.4.0 for the env repository.

Release 0.4.0 introduces standards-aligned Python default setup automation for:

• Windows
• macOS

The goal of this release is to establish cross-platform parity with the existing Debian Python bootstrap while strictly adhering to:

AD-2026-02-09-06 — Python Development Environment Standards

No workflow abstractions, no tooling mandates, no lock-in.

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Included Features

1. Windows Python Default Setup

Branch: feature/windows-python-default-setup

Adds:

• env/Python/Windows/python_default_setup.ps1
• Windows-specific README
• Official CPython installs
• Explicit default interpreter
• pip + venv baseline
• No Poetry / uv / workflow tooling

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2. macOS Python Default Setup

Branch: feature/env-5-macos-python-default-setup

Adds:

• env/Python/MacOS/python_macos_new_setup.sh
• macOS-specific README
• Official Python.org universal2 installers
• Side-by-side installs (3.9–3.13)
• Explicit default via /usr/local/bin symlinks
• No Homebrew, pyenv, or workflow tooling

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Acceptance Criteria

• All feature branches merged into release/0.4.0
• Release branch merged into main
• Tag v0.4.0 created on merge commit
• CHANGELOG.md and VERSION.md updated
• Feature branches deleted post-release

[NickLinney]

Completed release v0.4.0 in commit b556867.