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Windows drive-relative pathlib.Path.resolve(strict=False) resolves incorrectly in pyfakefs 6.2.0

regression

Status: Open.

Bug

#1324 In pytest-dev/pyfakefs;

· b-morgenthaler opened on Jun 9, 2026

Agent-assisted search for thread races

Status: Open.

#1321 In pytest-dev/pyfakefs;

· jfindlay opened on May 1, 2026

fake_filesystem: RuntimeError "dictionary changed size during iteration" under concurrent mkdir

Status: Open.

#1319 In pytest-dev/pyfakefs;

· jfindlay opened on Apr 23, 2026

FakeOsModule.use_original is not thread-safe under asyncio.to_thread workloads

Status: Open.

#1317 In pytest-dev/pyfakefs;

· jfindlay opened on Apr 23, 2026

Test failures with "RuntimeError: dictionary changed size during iteration"

Status: Open.

#1191 In pytest-dev/pyfakefs;

· mrbean-bremen opened on Jun 24, 2025

Make stand-alone usage of fake modules besides FakeOsModule possible

enhancement

Status: Open.

#1184 In pytest-dev/pyfakefs;

· mrbean-bremen opened on Jun 17, 2025

problem with os.stat within eyed3.load when running multiple tests using fs based fixture

limitation

Status: Open.

#1105 In pytest-dev/pyfakefs;

· stevenengland opened on Dec 26, 2024

Optionally poison modules known to not work with pyfakefs

enhancement

Status: Open.

#1089 In pytest-dev/pyfakefs;

· gsnedders opened on Nov 7, 2024

os.mkfifo is not supported

enhancement

Status: Open.

#999 In pytest-dev/pyfakefs;

· legaul-cisco opened on Apr 9, 2024