Sourced from black's releases.

25.1.0

Highlights

This release introduces the new 2025 stable style (#4558), stabilizing the following changes:

• Normalize casing of Unicode escape characters in strings to lowercase (#2916)
• Fix inconsistencies in whether certain strings are detected as docstrings (#4095)
• Consistently add trailing commas to typed function parameters (#4164)
• Remove redundant parentheses in if guards for case blocks (#4214)
• Add parentheses to if clauses in case blocks when the line is too long (#4269)
• Whitespace before # fmt: skip comments is no longer normalized (#4146)
• Fix line length computation for certain expressions that involve the power operator (#4154)
• Check if there is a newline before the terminating quotes of a docstring (#4185)
• Fix type annotation spacing between * and more complex type variable tuple (#4440)

The following changes were not in any previous release:

• Remove parentheses around sole list items (#4312)
• Generic function definitions are now formatted more elegantly: parameters are split over multiple lines first instead of type parameter definitions (#4553)

Stable style

• Fix formatting cells in IPython notebooks with magic methods and starting or trailing empty lines (#4484)
• Fix crash when formatting with statements containing tuple generators/unpacking (#4538)

Preview style

• Fix/remove string merging changing f-string quotes on f-strings with internal quotes (#4498)
• Collapse multiple empty lines after an import into one (#4489)
• Prevent string_processing and wrap_long_dict_values_in_parens from removing parentheses around long dictionary values (#4377)
• Move wrap_long_dict_values_in_parens from the unstable to preview style (#4561)

Packaging

• Store license identifier inside the License-Expression metadata field, see PEP 639. (#4479)

Performance

• Speed up the is_fstring_start function in Black's tokenizer (#4541)

Integrations

• If using stdin with --stdin-filename set to a force excluded path, stdin won't be

... (truncated)

Sourced from black's changelog.

25.1.0

Highlights

This release introduces the new 2025 stable style (#4558), stabilizing the following changes:

• Normalize casing of Unicode escape characters in strings to lowercase (#2916)
• Fix inconsistencies in whether certain strings are detected as docstrings (#4095)
• Consistently add trailing commas to typed function parameters (#4164)
• Remove redundant parentheses in if guards for case blocks (#4214)
• Add parentheses to if clauses in case blocks when the line is too long (#4269)
• Whitespace before # fmt: skip comments is no longer normalized (#4146)
• Fix line length computation for certain expressions that involve the power operator (#4154)
• Check if there is a newline before the terminating quotes of a docstring (#4185)
• Fix type annotation spacing between * and more complex type variable tuple (#4440)

The following changes were not in any previous release:

• Remove parentheses around sole list items (#4312)
• Generic function definitions are now formatted more elegantly: parameters are split over multiple lines first instead of type parameter definitions (#4553)

Stable style

• Fix formatting cells in IPython notebooks with magic methods and starting or trailing empty lines (#4484)
• Fix crash when formatting with statements containing tuple generators/unpacking (#4538)

Preview style

• Fix/remove string merging changing f-string quotes on f-strings with internal quotes (#4498)
• Collapse multiple empty lines after an import into one (#4489)
• Prevent string_processing and wrap_long_dict_values_in_parens from removing parentheses around long dictionary values (#4377)
• Move wrap_long_dict_values_in_parens from the unstable to preview style (#4561)

Packaging

• Store license identifier inside the License-Expression metadata field, see PEP 639. (#4479)

Performance

• Speed up the is_fstring_start function in Black's tokenizer (#4541)

Integrations

... (truncated)

• 8a737e7 Prepare release 25.1.0 (#4563)
• d330dee docs: We're not going to use backslashes for the with statement (#4564)
• 3d81290 Move wrap_long_dict_values_in_parens to the preview style (#4561)
• 459562c Improve function declaration wrapping when it contains generic type definitio...
• 99dbf30 Cache executor to avoid hitting open file limits (#4560)
• c0b92f3 Prepare the 2025 stable style (#4558)
• e58baf1 Add test for #1187 (#4559)
• 1455ae4 Fix docs CI (#4555)
• 584d033 fix: Don't remove parenthesis around long dictionary values (#4377)
• 6e96540 Fix CI (#4551)
• Additional commits viewable in compare view

Sourced from pytest's releases.

8.3.5

pytest 8.3.5 (2025-03-02)

Bug fixes

• #11777: Fixed issue where sequences were still being shortened even with -vv verbosity.
• #12888: Fixed broken input when using Python 3.13+ and a libedit build of Python, such as on macOS or with uv-managed Python binaries from the python-build-standalone project. This could manifest e.g. by a broken prompt when using Pdb, or seeing empty inputs with manual usage of input() and suspended capturing.
• #13026: Fixed AttributeError{.interpreted-text role="class"} crash when using --import-mode=importlib when top-level directory same name as another module of the standard library.
• #13053: Fixed a regression in pytest 8.3.4 where, when using --import-mode=importlib, a directory containing py file with the same name would cause an ImportError
• #13083: Fixed issue where pytest could crash if one of the collected directories got removed during collection.

Improved documentation

• #12842: Added dedicated page about using types with pytest.

  See types{.interpreted-text role="ref"} for detailed usage.

Contributor-facing changes

• #13112: Fixed selftest failures in test_terminal.py with Pygments >= 2.19.0
• #13256: Support for Towncrier versions released in 2024 has been re-enabled when building Sphinx docs -- by webknjaz{.interpreted-text role="user"}.

8.3.4

pytest 8.3.4 (2024-12-01)

Bug fixes

• #12592: Fixed KeyError{.interpreted-text role="class"} crash when using --import-mode=importlib in a directory layout where a directory contains a child directory with the same name.

• #12818: Assertion rewriting now preserves the source ranges of the original instructions, making it play well with tools that deal with the AST, like executing.

• #12849: ANSI escape codes for colored output now handled correctly in pytest.fail{.interpreted-text role="func"} with [pytrace=False]{.title-ref}.

• #9353: pytest.approx{.interpreted-text role="func"} now uses strict equality when given booleans.

Improved documentation

• #10558: Fix ambiguous docstring of pytest.Config.getoption{.interpreted-text role="func"}.

• #10829: Improve documentation on the current handling of the --basetemp option and its lack of retention functionality (temporary directory location and retention{.interpreted-text role="ref"}).

... (truncated)

• b55ab2a Prepare release version 8.3.5
• e217726 Added dedicated page about using types with pytest #12842 (#12963) (#13260)
• 2fa3f83 Add more resources and studies to flaky tests page in docs (#13250) (#13259)
• e5c2efe Merge pull request #13256 from webknjaz/maintenance/towncrier-bump (#13258)
• 3419674 Merge pull request #13187 from pytest-dev/patchback/backports/8.3.x/b4009b319...
• b75cfb1 Add readline workaround for libedit (#13176)
• edbfff7 doc: Clarify capturing .readouterr() return value (#13222) (#13225)
• 2ebba00 Merge pull request #13199 from jakkdl/tox_docs_no_fetch (#13200)
• eb6496b doc: Change training to remote only (#13196) (#13197)
• 78cf1f6 ci: Bump build-and-inspect-python-package (#13188)
• Additional commits viewable in compare view

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