What's Changed
* Merge in v2023.1.0 changes into main by StanczakDominik in https://github.com/PlasmaPy/PlasmaPy/pull/1890
* Update pre-commit autoupdater to monthly by StanczakDominik in https://github.com/PlasmaPy/PlasmaPy/pull/1891
* Make `ParticleList` not accept strings by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1892
* Change minimum version of Python from 3.8 to 3.9 by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1885
* Ensure ordering for particles in tests by StanczakDominik in https://github.com/PlasmaPy/PlasmaPy/pull/1836
* Adjust rtd to also build epubs by StanczakDominik in https://github.com/PlasmaPy/PlasmaPy/pull/1894
* Add mastodon badge to readme by StanczakDominik in https://github.com/PlasmaPy/PlasmaPy/pull/1895
* Bring back dependabot by StanczakDominik in https://github.com/PlasmaPy/PlasmaPy/pull/1864
* Drop `dlint` from linters by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1906
* Bump jupyterlab-server from 2.18.0 to 2.19.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1904
* Bump ipykernel from 6.20.1 to 6.20.2 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1901
* Bump nbconvert from 7.2.7 to 7.2.8 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1902
* Bump actions/setup-python from 3 to 4 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1898
* Bump actions/stale from 5 to 7 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1897
* Bump flake8 from 5.0.4 to 6.0.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1903
* Bump markupsafe from 2.1.1 to 2.1.2 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1912
* Bump pydocstyle from 6.2.3 to 6.3.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1908
* Bump pypa/gh-action-pypi-publish from 1.5.0 to 1.6.4 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1899
* Edit the docstring for `particle_input` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1883
* Adjust dependabot config by StanczakDominik in https://github.com/PlasmaPy/PlasmaPy/pull/1913
* Bump nbsphinx from 0.8.11 to 0.8.12 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1917
* Bump rich from 13.1.0 to 13.2.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1918
* Bump hypothesis from 6.62.1 to 6.64.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1922
* Bump identify from 2.5.13 to 2.5.15 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1925
* Bump sphinxcontrib-applehelp from 1.0.3 to 1.0.4 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1926
* Bump bleach from 5.0.1 to 6.0.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1924
* Bump jupyter-core from 5.1.3 to 5.1.4 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1923
* Bump debugpy from 1.6.5 to 1.6.6 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1927
* Bump pre-commit from 2.21.0 to 3.0.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1931
* Bump prometheus-client from 0.15.0 to 0.16.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1932
* Bump jupyter-core from 5.1.4 to 5.1.5 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1929
* Bump hypothesis from 6.64.0 to 6.65.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1928
* Bump nbconvert from 7.2.8 to 7.2.9 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1930
* Apply new `CustomParticle` constructor to particle factory by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1884
* Rerun particle_tracing notebooks due to high resource usage by StanczakDominik in https://github.com/PlasmaPy/PlasmaPy/pull/1933
* Bump hypothesis from 6.65.0 to 6.65.1 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1937
* Bump pre-commit from 3.0.0 to 3.0.1 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1935
* Bump websocket-client from 1.4.2 to 1.5.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1938
* Bump identify from 2.5.15 to 2.5.16 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1939
* Bump rich from 13.2.0 to 13.3.1 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1942
* Bump ipython from 8.8.0 to 8.9.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1940
* Bump hypothesis from 6.65.1 to 6.65.2 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1941
* Bump pre-commit from 3.0.1 to 3.0.2 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1947
* Bump jupyter-core from 5.1.5 to 5.2.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1946
* Bump ipykernel from 6.20.2 to 6.21.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1945
* Bump traitlets from 5.8.1 to 5.9.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1948
* Bump identify from 2.5.16 to 2.5.17 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1952
* Bump beautifulsoup4 from 4.11.1 to 4.11.2 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1950
* Bump sphinxcontrib-htmlhelp from 2.0.0 to 2.0.1 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1949
* Move codespell to pre-commit by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1953
* Bump pre-commit from 3.0.2 to 3.0.3 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1954
* change version of black in pre commit by mohawk811 in https://github.com/PlasmaPy/PlasmaPy/pull/1955
* Bump hypothesis from 6.65.2 to 6.66.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1957
* Bump ipykernel from 6.21.0 to 6.21.1 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1959
* Change GitHub Actions that comment on pull requests by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1956
* Update pull request checklist by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1960
* Bump pre-commit from 3.0.3 to 3.0.4 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1962
* Bump hypothesis from 6.66.0 to 6.67.1 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1961
* Bump websocket-client from 1.5.0 to 1.5.1 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1963
* Bump virtualenv from 20.17.1 to 20.18.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1967
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PlasmaPy/PlasmaPy/pull/1964
* Bump flake8-implicit-str-concat from 0.3.0 to 0.4.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1968
* Bump virtualenv from 20.18.0 to 20.19.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1969
* Bump mistune from 2.0.4 to 2.0.5 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1970
* Bump pytest-xdist from 3.1.0 to 3.2.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1971
* Add kinetic Alfven wave dispersion solver by ejohnson-96 in https://github.com/PlasmaPy/PlasmaPy/pull/1665
* Bump hypothesis from 6.67.1 to 6.68.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1973
* Bump ipython from 8.9.0 to 8.10.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1974
* Make mostly stylistic edits to `plasmapy.formulary.lengths` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1982
* Update docstrings in `formulary.collisions.frequencies` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1793
* Bump platformdirs from 2.6.2 to 3.1.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1988
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PlasmaPy/PlasmaPy/pull/1989
* Bump pandas from 1.5.2 to 1.5.3 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1993
* Bump ipykernel from 6.21.1 to 6.21.3 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1996
* Bump rich from 13.3.1 to 13.3.2 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1997
* Bump jupyterlab-server from 2.19.0 to 2.20.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1999
* Bump virtualenv from 20.19.0 to 20.20.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/1998
* Remove warning and improve error messages for invalid protons by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1992
* Describe code contribution workflow in contributor guide by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1656
* Bump fonttools from 4.38.0 to 4.39.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2005
* Rename label: "Good first contribution" → "good first issue" by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2004
* Updated Coulomb_log example to n_e by mysakli in https://github.com/PlasmaPy/PlasmaPy/pull/2007
* Remove deprecated `pytest-xdist` option and update `CODEOWNERS` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1990
* Bump pytest-xdist from 3.2.0 to 3.2.1 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2010
* Bump pypa/gh-action-pypi-publish from 1.6.4 to 1.7.1 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2008
* Use `pip-compile` to update `requirements.txt` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2013
* Remove original vision statement so it can be archived on Zenodo by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2017
* Remove upper limit on `sphinx-gallery` and specify documentation-related requirements by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2019
* Bump tox from 3.28.0 to 4.4.7 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2011
* Update versions of `towncrier` and `sphinx-changelog` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2018
* Updated docstring for Kinetic Alfven function by ejohnson-96 in https://github.com/PlasmaPy/PlasmaPy/pull/2016
* Make `ParticleList` accept `Quantity` arrays by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1987
* Decorate `reduced_mass` with `particle_input` & `validate_quantities` whilst expanding its docstring by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1921
* Bump pypa/gh-action-pypi-publish from 1.7.1 to 1.8.1 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2028
* Decorate `gyrofrequency` with `particle_input` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1869
* Make `particle_input` accept `z_mean` instead of `Z` while issuing a `PlasmaPyDeprecationWarning` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2027
* Decorate `RelativisticBody` and `relativistic_energy` with `particle_input` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1871
* Add step in code contribution workflow to add name to list of contributors by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2029
* Update requirements by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2033
* additions to getting ready to contribute page by martha889 in https://github.com/PlasmaPy/PlasmaPy/pull/2015
* Update target version of Python in `ruff` configuration by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2032
* Bump pypa/gh-action-pypi-publish from 1.8.1 to 1.8.3 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2040
* Bump actions/stale from 7 to 8 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2039
* Reorganize documentation guide by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2038
* Expand introduction to contributor guide by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2014
* Reduce cognitive complexity of gyroradius by winedarkmoon in https://github.com/PlasmaPy/PlasmaPy/pull/2031
* Repair GitHub Action that labels pull requests by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2043
* Reorganize testing guide by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2041
* Repair GitHub Action that comments on pull requests by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2044
* Update pre-commit versions and fix linter error by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2046
* Bump ipython from 8.11.0 to 8.12.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2050
* Bump filelock from 3.10.0 to 3.10.7 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2051
* Bump tox from 4.4.7 to 4.4.8 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2052
* Bump fonttools from 4.39.2 to 4.39.3 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2053
* Allow `particle_input` to accept custom ions when parameter is named `ion` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2034
* Bump jupyterlab-server from 2.20.0 to 2.22.0 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2054
* Bump pypa/gh-action-pypi-publish from 1.8.3 to 1.8.4 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2056
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PlasmaPy/PlasmaPy/pull/2057
* Update doc landing page and citation instructions by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2055
* Update YAML file defining labels to apply to pull requests by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2060
* Update configuration for labeler GitHub Action by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2061
* Update the labeler GitHub Action by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2063
* Run packaging GitHub Action sooner by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2062
* Update changelog guide and Giles configuration by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2059
* Bump pypa/gh-action-pypi-publish from 1.8.4 to 1.8.5 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2067
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PlasmaPy/PlasmaPy/pull/2069
* Update requirements and fix issue with version conflict related to coverage by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2073
* Extend allowed defaults for type specifications in docstrings by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2072
* Excess statistics for time series by gregordecristoforo in https://github.com/PlasmaPy/PlasmaPy/pull/1984
* Made minor edits to changelog entries by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2076
* Update dependency minimum versions, package metadata, and coding guide by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2075
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PlasmaPy/PlasmaPy/pull/2078
* Remove pip installation of `codecov` in weekly tests by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2079
* Update requirements again and fix new linter error by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2089
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PlasmaPy/PlasmaPy/pull/2091
* Apply `ruff` changes to `plasmapy.diagnostics` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2090
* Apply `ruff` changes to `plasmapy.utils` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2094
* Apply `ruff` changes to `plasmapy.dispersion` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2093
* Apply `ruff` changes to multiple subpackages by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2095
* Apply `ruff` changes to `plasmapy.formulary` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2097
* Apply `ruff` changes to `plasmapy.analysis` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2092
* Apply `ruff` changes to `plasmapy.particles` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2096
* Update codecov configuration by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2099
* Update pinned requirements and fix errors associated with NumPy 1.24 by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2098
* Update codeowners for different files and subpackages by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2102
* Fix and update Read the Docs configuration by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2103
* Sourcery refactored main branch by sourcery-ai in https://github.com/PlasmaPy/PlasmaPy/pull/2105
* Test on Python 3.11 and remove split between initial and comprehensive tests by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1775
* Sourcery refactored main branch by sourcery-ai in https://github.com/PlasmaPy/PlasmaPy/pull/2107
* Stix v2 notebook by ejohnson-96 in https://github.com/PlasmaPy/PlasmaPy/pull/1693
* Enable more `ruff` rules and disable some redundant `flake8` checks by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2080
* Re-add GitHub Action to comment on someone's first pull request by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2047
* Bump pypa/gh-action-pypi-publish from 1.8.5 to 1.8.6 by dependabot in https://github.com/PlasmaPy/PlasmaPy/pull/2120
* Enable PLW rule set for ruff by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2122
* Fix doc build warning about frozen modules being used by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2117
* Enable ruff rules for flake8-pytest-style by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2123
* Enable ruff rules for pylint refactorings by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2121
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PlasmaPy/PlasmaPy/pull/2124
* Enable NPY rules for ruff by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2118
* Update the comment that gets posted on pull requests by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2071
* Enable more `pydocstyle` rules for `ruff` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2128
* Add `.editorconfig` file by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2129
* Collisional analysis by ejohnson-96 in https://github.com/PlasmaPy/PlasmaPy/pull/1986
* Enable ruff rule for cyclomatic (McCabe) complexity by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2119
* Add ` noqa` comment for cognitive complexity rule by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2131
* Remove test helper functionality from public API by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2114
* Update indent sizes in `.editorconfig` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2132
* add function to calculate Buchsbaum frequency to formulary.frequencies.py by svincena in https://github.com/PlasmaPy/PlasmaPy/pull/1828
* Update author list for 2023.5.0 in `CITATION.cff` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2127
* Fix tests in `test_nullpoint` by JaydenR2305 in https://github.com/PlasmaPy/PlasmaPy/pull/2133
* Fix failing weekly numpy test by JaydenR2305 in https://github.com/PlasmaPy/PlasmaPy/pull/2138
* Decorate `ion_sound_speed` with `particle_input` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2134
* Rename parameter in `thermal_bremsstrahlung` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2135
* Add `mass_numb` and `Z` as parameters to functions decorated with `particle_input` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2140
* Update configuration for GitHub Action that marks issues & PRs as stale by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2137
* Decorate `kappa_thermal_speed` with `particle_input` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2136
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PlasmaPy/PlasmaPy/pull/2144
* Mark tests as slow by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2142
* Add basic caching to GitHub Actions CI by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2143
* Update `requirements.txt` prior to `v2023.5.0` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2146
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PlasmaPy/PlasmaPy/pull/2147
* Fix failing astropy weekly tests by JaydenR2305 in https://github.com/PlasmaPy/PlasmaPy/pull/2139
* Collisional Analysis Fix by ejohnson-96 in https://github.com/PlasmaPy/PlasmaPy/pull/2151
* Add GitHub Action to remove labels when a PR is merged and update PR labeler by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2152
* Add `scripts` folder for Python scripts run during GitHub Actions by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2154
* Update PR unlabeler GitHub Action by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2157
* Update PR unlabeler GitHub Action by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2158
* Add a weekly test for conda-forge installation by JaydenR2305 in https://github.com/PlasmaPy/PlasmaPy/pull/2145
* Add a GitHub Action for automatically updating `requirements.txt` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1994
* Add admonitions for unstable functionality by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2112
* Refine GitHub Action for updating pinned requirements by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2160
* Update GitHub Action to update requirements by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2162
* Add a GitHub Action to check that authors are included in `CITATION.cff` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2155
* Update some `ruff` rules and consistentify `pyproject.toml` formatting by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2149
* Update GitHub Action to update requirements.txt by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2163
* Update GitHub Action to regenerate requirements by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2166
* Automagically update pinned requirements by plasmapy-requirements-bot in https://github.com/PlasmaPy/PlasmaPy/pull/2165
* Use ChatGPT-4 script to justify paragraphs in reST files by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2167
* [Doc] doc/whatsnew to doc/changelog by cacsphysics in https://github.com/PlasmaPy/PlasmaPy/pull/1639
* [Docs] adds sphinx-codeautolink to link code samples to API docs by jeandet in https://github.com/PlasmaPy/PlasmaPy/pull/1410
* Update the comment that gets posted on pull requests by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2130
* Add GitHub Action for labeling pull request size by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2064
* Update pinned requirements by plasmapy-requirements-bot in https://github.com/PlasmaPy/PlasmaPy/pull/2169
* Remove size labeler GitHub Action by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2171
* Update pinned requirements by plasmapy-requirements-bot in https://github.com/PlasmaPy/PlasmaPy/pull/2173
* [pre-commit.ci] pre-commit autoupdate by pre-commit-ci in https://github.com/PlasmaPy/PlasmaPy/pull/2174
* Update `angular_freq_to_hz` and implement `wrapt` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2175
* Generate author list in `docs/about/credits.rst` from `CITATION.cff` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2156
* Drop `flake8` and its extensions from linters by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2170
* Create notebook for observations of ionization states in the solar wind by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/1513
* Decorate `plasma_frequency` with `particle_input` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2026
* Make minor updates to changelogs by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2177
* Decorate `Alfven_speed` with `particle_input` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2179
* Decorate kinetic_alfven with particle_input by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2182
* Decorate `hollweg` with `particle_input` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2181
* Decorate `two_fluid` dispersion solver with `particle_input` by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2022
* Update GitHub Action for release by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2183
* Change `whatsnew` to `changelog` in `release` GitHub Action by namurphy in https://github.com/PlasmaPy/PlasmaPy/pull/2185
New Contributors
* mohawk811 made their first contribution in https://github.com/PlasmaPy/PlasmaPy/pull/1955
* mysakli made their first contribution in https://github.com/PlasmaPy/PlasmaPy/pull/2007
* martha889 made their first contribution in https://github.com/PlasmaPy/PlasmaPy/pull/2015
* winedarkmoon made their first contribution in https://github.com/PlasmaPy/PlasmaPy/pull/2031
* sourcery-ai made their first contribution in https://github.com/PlasmaPy/PlasmaPy/pull/2105
* plasmapy-requirements-bot made their first contribution in https://github.com/PlasmaPy/PlasmaPy/pull/2165
* cacsphysics made their first contribution in https://github.com/PlasmaPy/PlasmaPy/pull/1639
**Full Changelog**: https://github.com/PlasmaPy/PlasmaPy/compare/v2023.1.0...v2023.5.0