Follow-up bugfix release for release 6.1.5.

Fixes a Windows-specific issue with os.path.realpath.

Fixes an incompatibility with the VCCode unittest runner.

Minor bugfix release.

Fixes a regression caused by the introduced weak references.

• fixes a packaging issue in latest version

• changes back-link references to weak references
• minor bugfixes
• see the release notes for a list of changes

• removes some deprecated functionality
• removes support for Python < 3.10
• see the release notes for a list of changes

• fixes a problem with pathlib.glob in Python 3.14

Bug fix release.
Fixes a regression introduced in version 5.9.0 related to shutil.copytree.