Sourced from virtualenv's releases.

20.33.0

What's Changed

• release 20.32.0 by @​gaborbernat in pypa/virtualenv#2908
• [pre-commit.ci] pre-commit autoupdate by @​pre-commit-ci[bot] in pypa/virtualenv#2909
• Fix nushell deprecation warnings by @​gaborbernat in pypa/virtualenv#2910
• test: Use @pytest.mark.flaky instead of @flaky.flaky by @​mgorny in pypa/virtualenv#2911
• [pre-commit.ci] pre-commit autoupdate by @​pre-commit-ci[bot] in pypa/virtualenv#2912
• fix: handle StopIteration in discovery by @​esafak in pypa/virtualenv#2913
• fix: Improve symlink check and sysconfig path handling by @​esafak in pypa/virtualenv#2914
• docs: Recommend specific python version for virtualenv by @​esafak in pypa/virtualenv#2916
• fix: Force UTF-8 encoding for pip subprocess by @​esafak in pypa/virtualenv#2918
• fix: Prevent crash on file in PATH during discovery by @​esafak in pypa/virtualenv#2917
• fix: --try-first-with was overriding an absolute --python path by @​esafak in pypa/virtualenv#2921
• fix 'Too many open files' error and improve error message by @​esafak in pypa/virtualenv#2922
• fix(testing): Prevent logging setup when --help is passed by @​esafak in pypa/virtualenv#2923
• fix cache invalidation for PythonInfo by @​esafak in pypa/virtualenv#2925
• fix: Update venv redirector detection for Python 3.13 on Windows by @​esafak in pypa/virtualenv#2920
• feat: Add Tcl/Tkinter support by @​esafak in pypa/virtualenv#2928

Full Changelog: https://github.com/pypa/virtualenv/compare/20.32.0...20.33.0

20.32.0

What's Changed

• release 20.31.2 by @​gaborbernat in pypa/virtualenv#2886
• Fix the CI by @​gaborbernat in pypa/virtualenv#2904
• activate.fish: update fish major version check by @​r5d in pypa/virtualenv#2891
• Fix: Ignore missing absolute paths for python discovery by @​esafak in pypa/virtualenv#2907
• Discover uv-managed Python installations by @​edgarrmondragon in pypa/virtualenv#2902
• Add warning for incorrect usage of Nushell activation script by @​esafak in pypa/virtualenv#2906
• Update index.rst, compatibility section added, other subheadings created by @​velle in pypa/virtualenv#2897
• Bump setuptools version by @​gaborbernat in pypa/virtualenv#2900

New Contributors

• @​r5d made their first contribution in pypa/virtualenv#2891
• @​esafak made their first contribution in pypa/virtualenv#2907
• @​edgarrmondragon made their first contribution in pypa/virtualenv#2902
• @​velle made their first contribution in pypa/virtualenv#2897

Full Changelog: https://github.com/pypa/virtualenv/compare/20.31.2...20.32.0

20.31.2

What's Changed

• release 20.31.1 by @​gaborbernat in pypa/virtualenv#2882

... (truncated)

Sourced from virtualenv's changelog.

v20.33.0 (2025-08-03)

Features - 20.33.0

- Added support for Tcl and Tkinter. You're welcome.
  Contributed by :user:`esafak`. (:issue:`425`)
Bugfixes - 20.33.0

• Prevent logging setup when --help is passed, fixing a flaky test. Contributed by :user:esafak. (:issue:u)
• Fix cache invalidation for PythonInfo by hashing py_info.py. Contributed by :user:esafak. (:issue:2467)
• When no discovery plugins are found, the application would crash with a StopIteration. This change catches the StopIteration and raises a RuntimeError with a more informative message. Contributed by :user:esafak. (:issue:2493)
• Stop --try-first-with overriding absolute --python paths. Contributed by :user:esafak. (:issue:2659)
• Force UTF-8 encoding for pip download Contributed by :user:esafak. (:issue:2780)
• Creating a virtual environment on a filesystem without symlink-support would fail even with --copies Make fs_supports_symlink perform a real symlink creation check on all platforms. Contributed by :user:esafak. (:issue:2786)
• Add a note to the user guide recommending the use of a specific Python version when creating virtual environments. Contributed by :user:esafak. (:issue:2808)
• Fix 'Too many open files' error due to a file descriptor leak in virtualenv's locking mechanism. Contributed by :user:esafak. (:issue:2834)
• Support renamed Windows venv redirector (venvlauncher.exe and venvwlauncher.exe) on Python 3.13 Contributed by :user:esafak. (:issue:2851)
• Resolve Nushell activation script deprecation warnings by dynamically selecting the --optional flag for Nushell get command on version 0.106.0 and newer, while retaining the deprecated -i flag for older versions to maintain compatibility. Contributed by :user:gaborbernat. (:issue:2910)

v20.32.0 (2025-07-20)

Features - 20.32.0

- Warn on incorrect invocation of Nushell activation script - by :user:`esafak`. (:issue:`nushell_activation`)
- Discover uv-managed Python installations (:issue:`2901`)
Bugfixes - 20.32.0

• Ignore missing absolute paths for python discovery - by :user:esafak (:issue:2870)
• Upgrade embedded setuptools to 80.9.0 from 80.3.1 - by :user:gaborbernat. (:issue:2900)

v20.31.2 (2025-05-08)

... (truncated)

• 829e3d2 release 20.33.0
• 3d35fbb feat: Add Tcl/Tkinter support (#2928)
• 9872144 fix: Update venv redirector detection for Python 3.13 on Windows (#2920)
• 31eb8b9 fix cache invalidation for PythonInfo (#2925)
• ec1c83e fix(testing): Prevent logging setup when --help is passed (#2923)
• 0c84728 fix 'Too many open files' error and improve error message (#2922)
• f264539 fix: --try-first-with was overriding an absolute --python path (#2921)
• 19796cf fix: Prevent crash on file in PATH during discovery (#2917)
• 01074bc fix: Force UTF-8 encoding for pip subprocess (#2918)
• fb2ba1c docs: Recommend specific python version for virtualenv (#2916)
• Additional commits viewable in compare view

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