Bump virtualenv from 20.36.1 to 21.0.0

[dependabot]

Bumps virtualenv from 20.36.1 to 21.0.0.

Release notes

Sourced from virtualenv's releases.

21.0.0

What's Changed

• ♻️ refactor(discovery): extract py_discovery as self-contained package by @​gaborbernat in pypa/virtualenv#3070
• 📝 docs(changelog): add removal entry for python-discovery extraction by @​gaborbernat in pypa/virtualenv#3074

Full Changelog: pypa/virtualenv@20.39.1...21.0.0

20.39.1

What's Changed

• Align dependency versions across projects by @​gaborbernat in pypa/virtualenv#3069
• ✨ feat(create): add RustPython support by @​gaborbernat in pypa/virtualenv#3071
• 🐛 fix(create): add pythonw3.exe to Windows venvs by @​gaborbernat in pypa/virtualenv#3073

Full Changelog: pypa/virtualenv@20.39.0...20.39.1

20.39.0

What's Changed

• Move from extras to dependency-groups by @​gaborbernat in pypa/virtualenv#3056
• 🐛 fix(sdist): include tox.toml in sdist by @​gaborbernat in pypa/virtualenv#3063
• 🐛 fix(seed): add --ignore-installed to pip invoke seeder by @​gaborbernat in pypa/virtualenv#3064
• 👷 ci(brew): add missing Homebrew Python versions and fix discovery by @​gaborbernat in pypa/virtualenv#3066
• 🧪 test(discovery): fix test_py_info_cache_clear outside venv by @​gaborbernat in pypa/virtualenv#3065
• Add architecture (ISA) awareness to Python discovery by @​rahuldevikar in pypa/virtualenv#3058
• 🐛 fix(discovery): resolve version-manager shims to real binaries by @​gaborbernat in pypa/virtualenv#3067
• Add auto-upgrade workflow for embedded dependencies by @​rahuldevikar in pypa/virtualenv#3057

Full Changelog: pypa/virtualenv@20.38.0...20.39.0

20.38.0

What's Changed

• Fix Windows activation scripts to handle Python paths with spaces by @​rahuldevikar in pypa/virtualenv#3015
• Exclude pywintypes*.dll and pythoncom*.dll from being copied to Scripts directory by @​rahuldevikar in pypa/virtualenv#3012
• update Automated testing documentation section by @​elmjag in pypa/virtualenv#3016
• Preserver Symlinks in pyvenv.cfg paths by @​rahuldevikar in pypa/virtualenv#3022
• Add PKG_CONFIG_PATH environment variable support to all activation scripts by @​rahuldevikar in pypa/virtualenv#3023
• Add ty type checker to CI via tox by @​rahuldevikar in pypa/virtualenv#3025
• Upgrade embedded dependencies by @​rahuldevikar in pypa/virtualenv#3026
• Fix ty Type Narrowing by @​rahuldevikar in pypa/virtualenv#3030
• Replace ty: ignore with proper type declarations for inheritance patterns by @​rahuldevikar in pypa/virtualenv#3034

... (truncated)

Changelog

Sourced from virtualenv's changelog.

Deprecations and Removals - 21.0.0

• The Python discovery logic has been extracted into a standalone python-discovery package on PyPI (documentation <https://python-discovery.readthedocs.io/>_) and is now consumed as a dependency. If you previously imported discovery internals directly (e.g. from virtualenv.discovery.py_info import PythonInfo), switch to from python_discovery import PythonInfo. Backward-compatibility re-export shims are provided at virtualenv.discovery.py_info, virtualenv.discovery.py_spec, and virtualenv.discovery.cached_py_info, however these are considered unsupported and may be removed in a future release - by :user:gaborbernat. (:issue:3070)

---

v20.39.1 (2026-02-25)

---

Features - 20.39.1

• Add support for creating virtual environments with RustPython - by :user:elmjag. (:issue:3010)

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v20.39.0 (2026-02-23)

---

Features - 20.39.0

• Automatically resolve version manager shims (pyenv, mise, asdf) to the real Python binary during discovery, preventing incorrect interpreter selection when shims are on PATH - by :user:gaborbernat. (:issue:3049)
• Add architecture (ISA) awareness to Python discovery — users can now specify a CPU architecture suffix in the --python spec string (e.g. cpython3.12-64-arm64) to distinguish between interpreters that share the same version and bitness but target different architectures. Uses sysconfig.get_platform() as the data source, with cross-platform normalization (amd64 ↔ x86_64, aarch64 ↔ arm64). Omitting the suffix preserves existing behavior - by :user:rahuldevikar. (:issue:3059)

---

v20.38.0 (2026-02-19)

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Features - 20.38.0

• Store app data (pip/setuptools/wheel caches) under the OS cache directory (platformdirs.user_cache_dir) instead of the data directory (platformdirs.user_data_dir). Existing app data at the old location is automatically migrated on first use. This ensures cached files that can be redownloaded are placed in the standard cache location (e.g. ~/.cache on Linux, ~/Library/Caches on macOS) where they are excluded from backups and can be cleaned by system tools - by :user:rahuldevikar. (:issue:1884) (:issue:1884)
• Add PKG_CONFIG_PATH environment variable support to all activation scripts (Bash, Batch, PowerShell, Fish, C Shell, Nushell, and Python). The virtualenv's lib/pkgconfig directory is now automatically prepended to PKG_CONFIG_PATH on activation and restored on deactivation, enabling packages that use pkg-config during

... (truncated)

Commits

• 7687420 release 21.0.0
• 8ec3142 📝 docs(changelog): add removal entry for python-discovery extraction (#3074)
• f89d46c ♻️ refactor(discovery): extract py_discovery as self-contained package (#3070)
• 0272c72 release 20.39.1
• b1ca37f 🐛 fix(create): add pythonw3.exe to Windows venvs (#3073)
• 1d4a338 ✨ feat(create): add RustPython support (#3071)
• a10c5d4 Align dependency versions across projects (#3069)
• 22a8860 [pre-commit.ci] pre-commit autoupdate (#3068)
• ad56e78 release 20.39.0
• ae90556 Add auto-upgrade workflow for embedded dependencies (#3057)
• Additional commits viewable in compare view

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