• 7275cc5 [4.2.x] Bumped version for 4.2.22 release.
• ac03c5e [4.2.x] Fixed CVE-2025-48432 -- Escaped formatting arguments in `log_response...
• c62f4ee [4.2.x] Added stub release notes and release date for 4.2.22.
• c5b4263 [4.2.x] Fixed #36402, Refs #35980 -- Updated built package name in reusable a...
• 32fd8de [4.2.x] Added helpers in csrf_tests and logging_tests to assert logs from `lo...
• acbe655 [4.2.x] Refs #26688 -- Added tests for log_response() internal helper.
• dc365ca [4.2.x] Refs #35980 -- Added release note about changes in release artifacts ...
• c454afb [4.2.x] Removed "Expected" from release date for 4.2.21.
• 5b29315 [4.2.x] Cleaned up CVE-2025-32873 security archive description.
• 0d54958 [4.2.x] Added CVE-2025-32873 to security archive.
• Additional commits viewable in compare view

Sourced from urllib3's releases.

2.5.0

🚀 urllib3 is fundraising for HTTP/2 support

urllib3 is raising ~$40,000 USD to release HTTP/2 support and ensure long-term sustainable maintenance of the project after a sharp decline in financial support. If your company or organization uses Python and would benefit from HTTP/2 support in Requests, pip, cloud SDKs, and thousands of other projects please consider contributing financially to ensure HTTP/2 support is developed sustainably and maintained for the long-haul.

Thank you for your support.

Security issues

urllib3 2.5.0 fixes two moderate security issues:

• Pool managers now properly control redirects when retries is passed — CVE-2025-50181 reported by @​sandumjacob (5.3 Medium, GHSA-pq67-6m6q-mj2v)
• Redirects are now controlled by urllib3 in the Node.js runtime — CVE-2025-50182 (5.3 Medium, GHSA-48p4-8xcf-vxj5)

Features

• Added support for the compression.zstd module that is new in Python 3.14. See PEP 784 for more information. (#3610)
• Added support for version 0.5 of hatch-vcs (#3612)

Bugfixes

• Raised exception for HTTPResponse.shutdown on a connection already released to the pool. (#3581)
• Fixed incorrect CONNECT statement when using an IPv6 proxy with connection_from_host. Previously would not be wrapped in []. (#3615)

2.4.0

🚀 urllib3 is fundraising for HTTP/2 support

urllib3 is raising ~$40,000 USD to release HTTP/2 support and ensure long-term sustainable maintenance of the project after a sharp decline in financial support. If your company or organization uses Python and would benefit from HTTP/2 support in Requests, pip, cloud SDKs, and thousands of other projects please consider contributing financially to ensure HTTP/2 support is developed sustainably and maintained for the long-haul.

Thank you for your support.

Features

• Applied PEP 639 by specifying the license fields in pyproject.toml. (#3522)
• Updated exceptions to save and restore more properties during the pickle/serialization process. (#3567)
• Added verify_flags option to create_urllib3_context with a default of VERIFY_X509_PARTIAL_CHAIN and VERIFY_X509_STRICT for Python 3.13+. (#3571)

Bugfixes

• Fixed a bug with partial reads of streaming data in Emscripten. (#3555)

Misc

• Switched to uv for installing development dependecies. (#3550)
• Removed the multiple.intoto.jsonl asset from GitHub releases. Attestation of release files since v2.3.0 can be found on PyPI. (#3566)

2.3.0

... (truncated)

Sourced from urllib3's changelog.

2.5.0 (2025-06-18)

Features

• Added support for the compression.zstd module that is new in Python 3.14. See PEP 784 <https://peps.python.org/pep-0784/>_ for more information. ([#3610](https://github.com/urllib3/urllib3/issues/3610) <https://github.com/urllib3/urllib3/issues/3610>__)
• Added support for version 0.5 of hatch-vcs ([#3612](https://github.com/urllib3/urllib3/issues/3612) <https://github.com/urllib3/urllib3/issues/3612>__)

Bugfixes

• Fixed a security issue where restricting the maximum number of followed redirects at the urllib3.PoolManager level via the retries parameter did not work.
• Made the Node.js runtime respect redirect parameters such as retries and redirects.
• Raised exception for HTTPResponse.shutdown on a connection already released to the pool. ([#3581](https://github.com/urllib3/urllib3/issues/3581) <https://github.com/urllib3/urllib3/issues/3581>__)
• Fixed incorrect CONNECT statement when using an IPv6 proxy with connection_from_host. Previously would not be wrapped in []. ([#3615](https://github.com/urllib3/urllib3/issues/3615) <https://github.com/urllib3/urllib3/issues/3615>__)

2.4.0 (2025-04-10)

Features

• Applied PEP 639 by specifying the license fields in pyproject.toml. ([#3522](https://github.com/urllib3/urllib3/issues/3522) <https://github.com/urllib3/urllib3/issues/3522>__)
• Updated exceptions to save and restore more properties during the pickle/serialization process. ([#3567](https://github.com/urllib3/urllib3/issues/3567) <https://github.com/urllib3/urllib3/issues/3567>__)
• Added verify_flags option to create_urllib3_context with a default of VERIFY_X509_PARTIAL_CHAIN and VERIFY_X509_STRICT for Python 3.13+. ([#3571](https://github.com/urllib3/urllib3/issues/3571) <https://github.com/urllib3/urllib3/issues/3571>__)

Bugfixes

• Fixed a bug with partial reads of streaming data in Emscripten. ([#3555](https://github.com/urllib3/urllib3/issues/3555) <https://github.com/urllib3/urllib3/issues/3555>__)

Misc

• Switched to uv for installing development dependecies. ([#3550](https://github.com/urllib3/urllib3/issues/3550) <https://github.com/urllib3/urllib3/issues/3550>__)
• Removed the multiple.intoto.jsonl asset from GitHub releases. Attestation of release files since v2.3.0 can be found on PyPI. ([#3566](https://github.com/urllib3/urllib3/issues/3566) <https://github.com/urllib3/urllib3/issues/3566>__)

2.3.0 (2024-12-22)

... (truncated)

• aaab4ec Release 2.5.0
• 7eb4a2a Merge commit from fork
• f05b132 Merge commit from fork
• d03fe32 Fix HTTP tunneling with IPv6 in older Python versions
• 11661e9 Bump github/codeql-action from 3.28.0 to 3.29.0 (#3624)
• 6a0ecc6 Update v2 migration guide to 2.4.0 (#3621)
• 8e32e60 Raise exception for shutdown on a connection already released to the pool (#3...
• 9996e0f Fix emscripten CI for Chrome 137+ (#3599)
• 4fd1a99 Bump RECENT_DATE (#3617)
• c4b5917 Add support for the new compression.zstd module in Python 3.14 (#3611)
• Additional commits viewable in compare view

Sourced from requests's releases.

v2.32.4

2.32.4 (2025-06-10)

Security

• CVE-2024-47081 Fixed an issue where a maliciously crafted URL and trusted environment will retrieve credentials for the wrong hostname/machine from a netrc file. (#6965)

Improvements

• Numerous documentation improvements

Deprecations

• Added support for pypy 3.11 for Linux and macOS. (#6926)
• Dropped support for pypy 3.9 following its end of support. (#6926)

v2.32.3

2.32.3 (2024-05-29)

Bugfixes

• Fixed bug breaking the ability to specify custom SSLContexts in sub-classes of HTTPAdapter. (#6716)
• Fixed issue where Requests started failing to run on Python versions compiled without the ssl module. (#6724)

v2.32.2

2.32.2 (2024-05-21)

Deprecations

• To provide a more stable migration for custom HTTPAdapters impacted by the CVE changes in 2.32.0, we've renamed _get_connection to a new public API, get_connection_with_tls_context. Existing custom HTTPAdapters will need to migrate their code to use this new API. get_connection is considered deprecated in all versions of Requests>=2.32.0.

  A minimal (2-line) example has been provided in the linked PR to ease migration, but we strongly urge users to evaluate if their custom adapter is subject to the same issue described in CVE-2024-35195. (#6710)

v2.32.1

2.32.1 (2024-05-20)

Bugfixes

• Add missing test certs to the sdist distributed on PyPI.

v2.32.0

2.32.0 (2024-05-20)

... (truncated)

Sourced from requests's changelog.

2.32.4 (2025-06-10)

Security

• CVE-2024-47081 Fixed an issue where a maliciously crafted URL and trusted environment will retrieve credentials for the wrong hostname/machine from a netrc file.

Improvements

• Numerous documentation improvements

Deprecations

• Added support for pypy 3.11 for Linux and macOS.
• Dropped support for pypy 3.9 following its end of support.

2.32.3 (2024-05-29)

Bugfixes

• Fixed bug breaking the ability to specify custom SSLContexts in sub-classes of HTTPAdapter. (#6716)
• Fixed issue where Requests started failing to run on Python versions compiled without the ssl module. (#6724)

2.32.2 (2024-05-21)

Deprecations

• To provide a more stable migration for custom HTTPAdapters impacted by the CVE changes in 2.32.0, we've renamed _get_connection to a new public API, get_connection_with_tls_context. Existing custom HTTPAdapters will need to migrate their code to use this new API. get_connection is considered deprecated in all versions of Requests>=2.32.0.

  A minimal (2-line) example has been provided in the linked PR to ease migration, but we strongly urge users to evaluate if their custom adapter is subject to the same issue described in CVE-2024-35195. (#6710)

2.32.1 (2024-05-20)

Bugfixes

• Add missing test certs to the sdist distributed on PyPI.

2.32.0 (2024-05-20)

Security

... (truncated)

• 021dc72 Polish up release tooling for last manual release
• 821770e Bump version and add release notes for v2.32.4
• 59f8aa2 Add netrc file search information to authentication documentation (#6876)
• 5b4b64c Add more tests to prevent regression of CVE 2024 47081
• 7bc4587 Add new test to check netrc auth leak (#6962)
• 96ba401 Only use hostname to do netrc lookup instead of netloc
• 7341690 Merge pull request #6951 from tswast/patch-1
• 6716d7c remove links
• a7e1c74 Update docs/conf.py
• c799b81 docs: fix dead links to kenreitz.org
• Additional commits viewable in compare view

Sourced from jinja2's releases.

3.1.6

This is the Jinja 3.1.6 security release, which fixes security issues but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.

PyPI: https://pypi.org/project/Jinja2/3.1.6/ Changes: https://jinja.palletsprojects.com/en/stable/changes/#version-3-1-6

• The |attr filter does not bypass the environment's attribute lookup, allowing the sandbox to apply its checks. https://github.com/pallets/jinja/security/advisories/GHSA-cpwx-vrp4-4pq7

3.1.5

This is the Jinja 3.1.5 security fix release, which fixes security issues and bugs but does not otherwise change behavior and should not result in breaking changes compared to the latest feature release.

PyPI: https://pypi.org/project/Jinja2/3.1.5/ Changes: https://jinja.palletsprojects.com/changes/#version-3-1-5 Milestone: https://github.com/pallets/jinja/milestone/16?closed=1

• The sandboxed environment handles indirect calls to str.format, such as by passing a stored reference to a filter that calls its argument. GHSA-q2x7-8rv6-6q7h
• Escape template name before formatting it into error messages, to avoid issues with names that contain f-string syntax. #1792, GHSA-gmj6-6f8f-6699
• Sandbox does not allow clear and pop on known mutable sequence types. #2032
• Calling sync render for an async template uses asyncio.run. #1952
• Avoid unclosed auto_aiter warnings. #1960
• Return an aclose-able AsyncGenerator from Template.generate_async. #1960
• Avoid leaving root_render_func() unclosed in Template.generate_async. #1960
• Avoid leaving async generators unclosed in blocks, includes and extends. #1960
• The runtime uses the correct concat function for the current environment when calling block references. #1701
• Make |unique async-aware, allowing it to be used after another async-aware filter. #1781
• |int filter handles OverflowError from scientific notation. #1921
• Make compiling deterministic for tuple unpacking in a {% set ... %} call. #2021
• Fix dunder protocol (copy/pickle/etc) interaction with Undefined objects. #2025
• Fix copy/pickle support for the internal missing object. #2027
• Environment.overlay(enable_async) is applied correctly. #2061
• The error message from FileSystemLoader includes the paths that were searched. #1661
• PackageLoader shows a clearer error message when the package does not contain the templates directory. #1705
• Improve annotations for methods returning copies. #1880
• urlize does not add mailto: to values like @a@b. #1870
• Tests decorated with @pass_context can be used with the |select filter. #1624
• Using set for multiple assignment (a, b = 1, 2) does not fail when the target is a namespace attribute. #1413
• Using set in all branches of {% if %}{% elif %}{% else %} blocks does not cause the variable to be considered initially undefined. #1253

3.1.4

This is the Jinja 3.1.4 security release, which fixes security issues and bugs but does not otherwise change behavior and should not result in breaking changes.

PyPI: https://pypi.org/project/Jinja2/3.1.4/ Changes: https://jinja.palletsprojects.com/en/3.1.x/changes/#version-3-1-4

• The xmlattr filter does not allow keys with / solidus, > greater-than sign, or = equals sign, in addition to disallowing spaces. Regardless of any validation done by Jinja, user input should never be used as keys to this filter, or must be separately validated first. GHSA-h75v-3vvj-5mfj

3.1.3

This is a fix release for the 3.1.x feature branch.

• Fix for GHSA-h5c8-rqwp-cp95. You are affected if you are using xmlattr and passing user input as attribute keys.

... (truncated)

Sourced from jinja2's changelog.

Version 3.1.6

Released 2025-03-05

• The |attr filter does not bypass the environment's attribute lookup, allowing the sandbox to apply its checks. :ghsa:cpwx-vrp4-4pq7

Version 3.1.5

Released 2024-12-21

• The sandboxed environment handles indirect calls to str.format, such as by passing a stored reference to a filter that calls its argument. :ghsa:q2x7-8rv6-6q7h
• Escape template name before formatting it into error messages, to avoid issues with names that contain f-string syntax. :issue:1792, :ghsa:gmj6-6f8f-6699
• Sandbox does not allow clear and pop on known mutable sequence types. :issue:2032
• Calling sync render for an async template uses asyncio.run. :pr:1952
• Avoid unclosed auto_aiter warnings. :pr:1960
• Return an aclose-able AsyncGenerator from Template.generate_async. :pr:1960
• Avoid leaving root_render_func() unclosed in Template.generate_async. :pr:1960
• Avoid leaving async generators unclosed in blocks, includes and extends. :pr:1960
• The runtime uses the correct concat function for the current environment when calling block references. :issue:1701
• Make |unique async-aware, allowing it to be used after another async-aware filter. :issue:1781
• |int filter handles OverflowError from scientific notation. :issue:1921
• Make compiling deterministic for tuple unpacking in a {% set ... %} call. :issue:2021
• Fix dunder protocol (copy/pickle/etc) interaction with Undefined objects. :issue:2025
• Fix copy/pickle support for the internal missing object. :issue:2027
• Environment.overlay(enable_async) is applied correctly. :pr:2061
• The error message from FileSystemLoader includes the paths that were searched. :issue:1661
• PackageLoader shows a clearer error message when the package does not contain the templates directory. :issue:1705
• Improve annotations for methods returning copies. :pr:1880
• urlize does not add mailto: to values like @a@b. :pr:1870

... (truncated)

• 1520688 release version 3.1.6
• 90457bb Merge commit from fork
• 065334d attr filter uses env.getattr
• 033c200 start version 3.1.6
• bc68d4e use global contributing guide (#2070)
• 247de5e use global contributing guide
• ab8218c use project advisory link instead of global
• b4ffc8f release version 3.1.5 (#2066)
• 877f6e5 release version 3.1.5
• 8d58859 remove test pypi
• Additional commits viewable in compare view

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