Bump virtualenv from 21.3.3 to 21.4.1

[dependabot]

Bumps virtualenv from 21.3.3 to 21.4.1.

Release notes

Sourced from virtualenv's releases.

21.4.1

What's Changed

• 🐛 fix(create): debug build venvlauncher lookup on Windows 3.13+ by @​gaborbernat in pypa/virtualenv#3151

Full Changelog: pypa/virtualenv@21.4.0...21.4.1

21.4.0

What's Changed

• Fix Mermaid flowchart rendering by @​Herrtian in pypa/virtualenv#3147
• ♻️ refactor(create): remove dead code and document droppable paths by @​gaborbernat in pypa/virtualenv#3149
• ✨ feat(create): support Windows debug builds and remove dead code by @​gaborbernat in pypa/virtualenv#3150

New Contributors

• @​Herrtian made their first contribution in pypa/virtualenv#3147

Full Changelog: pypa/virtualenv@21.3.3...21.4.0

Changelog

Sourced from virtualenv's changelog.

Bugfixes - 21.4.1

• Fix Windows debug build venvlauncher_d.exe substitution never triggering because executables() compared the source executable name instead of the target name, and fix AttributeError on debug_build attribute for interpreter info objects missing the field - by :user:gaborbernat. (:issue:3151)

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v21.4.0 (2026-05-28)

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Features - 21.4.0

• Remove dead code targeting Python versions below the supported target range (PyPy 3.6, deprecated importlib APIs) and simplify the runtime import hook in _virtualenv.py - by :user:gaborbernat. (:issue:3149)
• Support Windows debug builds (python_d.exe, venvlauncher_d.exe) matching CPython venv behavior, remove dead __SCRIPT_DIR__ replacement and has_shim version guard, drop unreachable Python 3.7 branch from pyvenv_launch_patch_active, and fix wheel deprecation message to say >= 3.9 - by :user:gaborbernat. (:issue:3150)

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v21.3.3 (2026-05-13)

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Commits

• e88f194 release 21.4.1
• 6a2d79c 🐛 fix(create): debug build venvlauncher lookup on Windows 3.13+ (#3151)
• 30bcf62 release 21.4.0
• 6143498 ✨ feat(create): support Windows debug builds and remove dead code (#3150)
• ceaf88f ♻️ refactor(create): remove dead code and document droppable paths (#3149)
• d423ddc [pre-commit.ci] pre-commit autoupdate (#3148)
• f4a7936 Fix Mermaid flowchart rendering (#3147)
• 7189e8e [pre-commit.ci] pre-commit autoupdate (#3145)
• See full diff in compare view

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[github-actions]

🤖 Claude Code Review

Code Review

PR Summary: Bumps virtualenv from 21.3.3 to 21.4.1 in pyproject.toml (development dependency).

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Code Quality

• ✅ Style guide — Single-line change in a TOML config file; no style concerns.
• ✅ No commented-out code — N/A.
• ✅ Meaningful variable names — N/A.
• ✅ DRY principle — N/A.
• ✅ Defects — No logic errors; this is a straightforward version bump of a development-only dependency.
• ✅ CLAUDE.md — No concerns; project config is general and environment-agnostic.

Testing

• ✅ Unit/integration tests — Not applicable for a dependency version bump.
• ✅ Edge cases / coverage — Not applicable.

Documentation

• ✅ README/API docs — No update needed for a dev dependency bump.
• ✅ CHANGELOG.md — Not required for automated dependency bumps.
• ✅ Markdown formatting — No markdown changes.

Security

• ✅ No hardcoded credentials — N/A.
• ✅ Input validation / error handling — N/A.
• ✅ No sensitive data — N/A.
• ✅ No license files — None present.

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Verdict: APPROVE

This is a clean, automated dependency bump (virtualenv 21.3.3 → 21.4.1) scoped to the development extras group — it has no production impact. No issues found.

Automated code review analyzing defects and coding standards