Bump the dependencies group across 1 directory with 22 updates

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---

Bumps the dependencies group with 22 updates in the / directory:

Package	From	To
idna	3.18	3.20
cffi	2.1.0	2.1.1
charset-normalizer	3.4.9	3.5.2
imagesize	2.0.0	2.0.1
packaging	26.2	26.3
pygments	2.20.0	2.21.0
urllib3	2.7.0	2.8.0
coverage	7.15.2	7.16.2
argcomplete	3.7.0	3.7.2
ast-serialize	0.6.0	0.11.2
click	8.4.2	8.5.0
dependency-groups	1.3.1	1.3.2
filelock	3.32.2	3.32.7
isort	8.0.1	9.0.2
librt	0.13.0	0.16.0
mypy	2.3.0	2.3.1
nox	2026.7.11	2026.8.17
platformdirs	4.11.0	4.12.2
python-discovery	1.5.1	1.6.1
types-cffi	2.0.0.20260518	2.1.0.20260827
types-setuptools	83.0.0.20260724	84.0.0.20260812
virtualenv	21.7.1	21.14.1

Updates idna from 3.18 to 3.20

Release notes

Sourced from idna's releases.

v3.20

• Update to Unicode 18.0.0.
• Better enforcement of the domain length limit in the incremental codec.
• Add support for Python 3.15.

v3.19

• Restore the std3_rules option, which had no effect since changes to UTS #46 processing in Unicode 16. Note that uts46_remap() defaults to enabling STD3 rules, so direct callers will see input containing non-LDH ASCII characters rejected again.
• Performance improvements to UTS #46 mapping, particularly for ASCII-only domains.
• Test on free-threaded CPython with the GIL disabled and document thread safety.
• Expose the Unicode version of the generated tables as idna.unicode_version, and show it in idna --version.
• Add code, text, codepoint and position attributes to IDNAError so that the failed rule and the offending character can be identified without parsing the exception message.
• The deprecated transitional argument to encode() and uts46_remap() is now completely ignored, and gives a deprecation warning for the latter.
• Reject A-labels that are not the canonical Punycode encoding of their U-label.
• Fix CONTEXTJ violations raising IDNAError instead of InvalidCodepointContext.
• Consistently raise IDNAError for empty labels and non-ASCII bytes passed to label helper functions and the incremental codec.
• Add property-based tests, extended fuzzing targets, coverage measurement, and CI checks that the data tables match the generator output.
• Various code quality and tooling improvements.

Thanks to stefan6419846, LouieLuNZ, and Salvatore Corvaglia for contributions to this release.

Changelog

Sourced from idna's changelog.

3.20 (2026-09-17)

• Update to Unicode 18.0.0.
• Better enforcement of the domain length limit in the incremental codec.
• Add support for Python 3.15.

3.19 (2026-08-18)

• Restore the std3_rules option, which had no effect since changes to UTS #46 processing in Unicode 16. Note that uts46_remap() defaults to enabling STD3 rules, so direct callers will see input containing non-LDH ASCII characters rejected again.
• Performance improvements to UTS #46 mapping, particularly for ASCII-only domains.
• Test on free-threaded CPython with the GIL disabled and document thread safety.
• Expose the Unicode version of the generated tables as idna.unicode_version, and show it in idna --version.
• Add code, text, codepoint and position attributes to IDNAError so that the failed rule and the offending character can be identified without parsing the exception message.
• The deprecated transitional argument to encode() and uts46_remap() is now completely ignored, and gives a deprecation warning for the latter.
• Reject A-labels that are not the canonical Punycode encoding of their U-label.
• Fix CONTEXTJ violations raising IDNAError instead of InvalidCodepointContext.
• Consistently raise IDNAError for empty labels and non-ASCII bytes passed to label helper functions and the incremental codec.
• Add property-based tests, extended fuzzing targets, coverage measurement, and CI checks that the data tables match the generator output.
• Various code quality and tooling improvements.

Thanks to stefan6419846, LouieLuNZ, and Salvatore Corvaglia for contributions to this release.

Commits

• d55e65e Release 3.20
• 0c0824a Pre-release 3.20rc0
• bd7c316 Note Python 3.15 support in the 3.20 changelog
• b6cce85 Merge pull request #276 from kjd/unicode-18
• 9a4bc59 Update to Unicode 18.0.0
• dfab5a0 Merge branch 'python-3.15'
• 417c354 Read the latest Unicode version from the DerivedAge.txt header instead of the...
• cd17392 Merge pull request #274 from kjd/fix-decode-length-check
• c5796d7 Skip the decode round-trip check for domains past encode's length limit
• d6ee690 Update to Python 3.15 release candidate in CI and add trove classifier
• Additional commits viewable in compare view

Updates cffi from 2.1.0 to 2.1.1

Release notes

Sourced from cffi's releases.

v2.1.1

What's Changed

• Minimize internal Python API usage for interpreter and thread state sampling where possible. Avoids breaking ABI change in Python >= 3.15.0b4 (python-cffi/cffi#269).

Full Changelog: python-cffi/cffi@v2.1.0...v2.1.1

Commits

• fd33e77 New release 2.1.1
• 56a7876 Use PyGILState_Ensure to avoid accessing CPython internals (#269) (#270)
• See full diff in compare view

Updates charset-normalizer from 3.4.9 to 3.5.2

Release notes

Sourced from charset-normalizer's releases.

Version 3.5.2

3.5.2 (2026-09-29)

Changed

• Raised the Cython upper bound to <3.4 for native builds. The bound remains <3.3 for abi3 builds to preserve compatibility with the Python 3.7 Limited API.

Fixed

• Valid UTF-8 Chinese JSON incorrectly detected as PTCP154 due to excessive noise penalties for uncommon CJK characters. (#796)
• Supported encodings without aliases failing name resolution or being ignored in charset declarations. (#800)

Version 3.5.1

3.5.1 (2026-08-15)

Changed

• Raised upper bound of setuptools to v84 (#794)
• Cache performance access optimization for our CharInfo struct (prebuilt only).

Fixed

• No longer decoding large content when the noise detector output give a high entropy. Only impacted large content input >1M bytes.

Version 3.5.0

3.5.0 (2026-08-12)

Added

• Explicit support for Python 3.15

Fixed

• Comparing a CharsetMatch to a non-alias encoding strings (#773)
• Return 0.0 CharsetMatch.multi_byte_usage for empty payloads instead of crashing (#774)
• A file with both a charset declaration and BOM/SIG did not verify first the BOM/SIG charset.
• iso2022* cases misdetected due to a flaw in our multibyte chunking logic.

Changed

• Replaced the optional mypyc build with Cython extensions while retaining the pure Python fallback. The previous engine (mypyc) started to hit rough limit around the optimization of our noise/coherence detector while Cython allows us to steer the engine toward the right generated optimized sources. This change SHOULD not impact bundler (e.g. Pyinstaller) as the module are immediately discoverable (i.e. not hidden import like mypyc did). Moreover, a long wished distribution is the abi3 wheels, this will allow us to no longer rush each year when a new Python interpreter is released. We still distribute the interpreter specific wheels for faster performance.
• Applied micro-optimization on several utils.
• CharsetMatches no longer sort on each match insertion.

... (truncated)

Changelog

Sourced from charset-normalizer's changelog.

3.5.2 (2026-09-29)

Changed

• Raised the Cython upper bound to <3.4 for native builds. The bound remains <3.3 for abi3 builds to preserve compatibility with the Python 3.7 Limited API.

Fixed

• Valid UTF-8 Chinese JSON incorrectly detected as PTCP154 due to excessive noise penalties for uncommon CJK characters. (#796)
• Supported encodings without aliases failing name resolution or being ignored in charset declarations. (#800)

3.5.1 (2026-08-15)

Changed

• Raised upper bound of setuptools to v84 (#794)
• Cache performance access optimization for our CharInfo struct (prebuilt only).

Fixed

• No longer decoding large content when the noise detector output give a high entropy. Only impacted large content input >1M bytes.

3.5.0 (2026-08-12)

Added

• Explicit support for Python 3.15

Fixed

• Comparing a CharsetMatch to a non-alias encoding strings (#773)
• Return 0.0 CharsetMatch.multi_byte_usage for empty payloads instead of crashing (#774)
• A file with both a charset declaration and BOM/SIG did not verify first the BOM/SIG charset.
• iso2022* cases misdetected due to a flaw in our multibyte chunking logic.

Changed

• Replaced the optional mypyc build with Cython extensions while retaining the pure Python fallback. The previous engine (mypyc) started to hit rough limit around the optimization of our noise/coherence detector while Cython allows us to steer the engine toward the right generated optimized sources. This change SHOULD not impact bundler (e.g. Pyinstaller) as the module are immediately discoverable (i.e. not hidden import like mypyc did). Moreover, a long wished distribution is the abi3 wheels, this will allow us to no longer rush each year when a new Python interpreter is released. We still distribute the interpreter specific wheels for faster performance.
• Applied micro-optimization on several utils.
• CharsetMatches no longer sort on each match insertion.

Misc

• Removed an old performance optimization attempt in apy.py (success_fast_tracked+payload_result_cache).

Commits

• 935c29a Release 3.5.2 (#805)
• 9d3238a test: disable traefik in downstream niquests
• b4c0368 docs: write changelog entry for 3.5.2
• 717da31 chore: bump version to 3.5.2
• 264895d chore: update pypa/cibuildwheel and pypa/gh-action-pypi-publish
• 41e28b6 chore: raise Cython upper bound to 3.3
• b130b7d Fix valid UTF-8 Chinese JSON misdetected as PTCP154 (#796)
• f6afd31 Make the IANA_NO_ALIASES encodings resolvable by name (#800)
• e239bdc Merge pull request #795 from jawah/release-3.5.1
• 648ad77 docs: update faq
• Additional commits viewable in compare view

Updates imagesize from 2.0.0 to 2.0.1

Release notes

Sourced from imagesize's releases.

Bug fix

• Optimize metadata parsing and HTTP range reads.
• Fix JPEG2000 box parsing.
• Accept single-quoted SVG dimensions.
• Return positive heights for top-down BMP images.
• Remove the upper Python version cap, migrate packaging to pyproject.toml, and add Python 3.15 CI coverage.
• Bump the package version to 2.0.1 and add recent feedback contributors to the README.

Related issues: shibukawa/imagesize_py#64 shibukawa/imagesize_py#83 shibukawa/imagesize_py#84

Related pull requests: shibukawa/imagesize_py#86 shibukawa/imagesize_py#87 shibukawa/imagesize_py#88 shibukawa/imagesize_py#89 shibukawa/imagesize_py#90 shibukawa/imagesize_py#91 shibukawa/imagesize_py#92

Commits

• cf87fc0 Prepare release 2.0.1
• 24992f6 Merge pull request #92 from shibukawa/feature/add-test-python315
• cda8b07 Add Python 3.15 test coverage
• a42d408 Merge pull request #91 from shibukawa/feature/fix-issue83
• a83b14f Merge remote-tracking branch 'origin/master' into feature/fix-issue84
• a1374b1 Optimize metadata parsing and HTTP range reads
• d088634 Merge pull request #90 from shibukawa/feature/fix-issue84
• fde3b5e Fix JPEG2000 box parsing for issue 84
• 7d5c748 Merge pull request #87 from stephenfin/pyproject
• efe3db1 Merge pull request #89 from jdillard/fix-64-svg-single-quotes
• Additional commits viewable in compare view

Updates packaging from 26.2 to 26.3

Release notes

Sourced from packaging's releases.

26.3

What's Changed

Features

• Add a public VersionRange API and SpecifierSet.to_range(), representing the versions a specifier set accepts as an interval set that supports intersection, union, difference, complement, set relations, membership tests, and filtering. VersionRange.to_specifier_set() converts a range back to a SpecifierSet where a PEP 440 form exists. (#1267, #1270, #1298)
• PEP 808: accept Metadata-Version: 2.6. (#1194)
• Add a limit argument to parse_tag() for compressed tag sets. (#1220)
• Add a prefer_sdist_predicate argument to Pylock.select() to prefer source distributions over wheels for selected packages. (#1334)
• Add pure_python_tags() to generate the pure-Python tags for a Python version without touching the running platform. (#1346)
• Add SpecifierSet.is_subset(), SpecifierSet.is_superset(), and SpecifierSet.is_disjoint(), which compare the versions two specifier sets accept. (#1313)

Behavior adaptations

• Drop support for Python 3.8; packaging now requires Python 3.9 or later. (#1157)
• Prefer native linux_* platform tags over manylinux and musllinux tags on Linux. (#160)

Fixes for versions and specifiers

• Raise InvalidVersion instead of TypeError when Version is given a non-string. (#1319)
• Raise InvalidVersion for non-string pre-release letters passed to Version.from_parts. (#1241)
• Fix an AttributeError when hashing internally trimmed versions. (#1242)
• Fix SpecifierSet.is_unsatisfiable for post-release boundary intersections. (#1257)

Fixes for requirements and markers

• Make Requirement.__hash__ consistent with __eq__ for trailing-zero-equivalent specifiers (e.g. foo==1.0.0 and foo==1.0.0.0), so equal requirements hash equal and deduplicate in sets and dicts. (#1232)
• Normalize requested extra names before comparing or hashing requirements. (#644)
• Preserve a Requirement's specifier prereleases override across a pickle round trip. (#1204)
• Raise InvalidRequirement instead of InvalidSpecifier when a requirement contains an invalid specifier. (#1332)
• Clarify the error for post-release prefix wildcards like ==1.0.post1.*. (#1299)
• Preserve quoting semantics when serializing marker values, so round-tripped markers parse back to the same marker. (#1213)
• Keep the parentheses of a nested group when serializing markers. (#1316)
• Normalize extra and dependency_groups values in nested markers at parse time. (#1246, #1310)
• Raise UndefinedComparison when a set-valued variable like extras is used outside the membership form. (#1265)
• Raise UndefinedEnvironmentName (a KeyError subclass) for missing environment keys during marker evaluation. (#1276)
• Wrap malformed string literal errors in InvalidMarker / InvalidRequirement instead of leaking a low-level error. (#1249)
• Reject requirements and markers with a trailing line break. (#1345)

Fixes for metadata and licenses

• Collect all from_email validation errors into one ExceptionGroup instead of raising the first. (#1268)
• Accept the UTF-8 charset case-insensitively in email payloads. (#1330)
• Reject malformed Description-Content-Type values. (#1329)
• Don't rewrite user values that contain {field} placeholders in error messages. (#1327)
• Route multipart email payloads to unparsed instead of asserting. (#1247)
• Make InvalidMetadata and CyclicDependencyGroup picklable. (#1328)
• Fold every line boundary str.splitlines recognizes when writing a header with RFC822Message. (#1356)

... (truncated)

Changelog

Sourced from packaging's changelog.

26.3 - 2026-08-03

Features:

Add a public :class:~packaging.ranges.VersionRange API and

:meth:SpecifierSet.to_range() <packaging.specifiers.SpecifierSet.to_range>,

representing the versions a specifier set accepts as an interval set that

supports intersection, union, difference, complement, set relations,

membership tests, and filtering.

:meth:~packaging.ranges.VersionRange.to_specifier_set converts a range back

to a :class:~packaging.specifiers.SpecifierSet where a PEP 440 form exists.

(:pull:1267, :pull:1270, :pull:1298)
PEP 808: accept Metadata-Version: 2.6. (:pull:1194)
Add a limit argument to parse_tag() for compressed tag sets.

(:issue:1220)
Add a prefer_sdist_predicate argument to Pylock.select() to prefer

source distributions over wheels for selected packages. (:pull:1334)
Add :func:~packaging.tags.pure_python_tags to generate the pure-Python

tags for a Python version without touching the running platform.

(:pull:1346)
Add :meth:SpecifierSet.is_subset() <packaging.specifiers.SpecifierSet.is_subset>, :meth:~packaging.specifiers.SpecifierSet.is_superset,

and :meth:~packaging.specifiers.SpecifierSet.is_disjoint, which compare the

versions two specifier sets accept. (:pull:1313)

Behavior adaptations:

Drop support for Python 3.8; packaging now requires Python 3.9 or later.

(:pull:1157)
Prefer native linux_* platform tags over manylinux and musllinux

tags on Linux. (:issue:160)

Fixes for versions and specifiers:

Raise InvalidVersion instead of TypeError when Version is given a

non-string. (:pull:1319)
Raise InvalidVersion for non-string pre-release letters passed to

Version.from_parts. (:pull:1241)
Fix an AttributeError when hashing internally trimmed versions.

(:pull:1242)
Fix SpecifierSet.is_unsatisfiable for post-release boundary

intersections. (:pull:1257)

Fixes for requirements and markers:

Make Requirement.__hash__ consistent with __eq__ for

trailing-zero-equivalent specifiers (e.g. foo==1.0.0 and

foo==1.0.0.0), so equal requirements hash equal and deduplicate in

sets and dicts. (:pull:1232)

</tr></table>

... (truncated)

Commits

• 929fd4b Bump for release
• f300ebf chore(deps): bump the pre-commit group with 5 updates (#1357)
• f91d975 ci(downstream): bump hatchling to 1.31.0 and fix its pytest rootdir (#1361)
• b1a7124 chore(deps): bump the github-actions group with 7 updates (#1358)
• 2d873eb fix(metadata): fold every line boundary when writing headers (#1356)
• 413d006 docs: changelog for 26.3 (#1343)
• 4eb0753 docs(metadata): explain selective field validation (#1342)
• 77e9ed4 feat(tags): add pure Python tag generator (#1346)
• 7cea5e8 ci: drop 3.13t on Windows (3.13.14t may fail to build, run takes 9 minutes) (...
• 45a8b34 docs: add missing versionadded/versionchanged directives (#1344)
• Additional commits viewable in compare view

Updates pygments from 2.20.0 to 2.21.0

Release notes

Sourced from pygments's releases.

2.21.0

• New lexers:

  • BitBake (#3103)
  • Caddyfile (#3225)
  • CEL (#3048)
  • PureScript (#1077, #3054)

• Updated lexers:

  • Bash: Fix coloured keyword at the beginning of a name (#2926)
  • Boogie: Add missing Boogie and Civl Verifier keywords (#3156)
  • C#:
    • Recognize interpolated verbatim strings with either $@ or @$ prefixes (#2685)
    • Support dollar-prefixed and multi-quote raw strings (#3129, #2897)
    • Recognize union (#3182)
  • C/C++:
    • Add C23/C++26 attributes (#3084)
    • Add more C2Y keywords (#3092)
    • Highlight a function following a namespace body (#2928)
    • Fix C/C++ lexer support for multiline pre-processor comments (#3051)
    • Add .ipp as a file extension (#3141, #1008)
  • Clojure: Recognize named, octal and unicode character literals such as \space and \o377 as a single token (#979)
  • Csound: Add missing opcode parameter type letter (#3161)
  • CUDA: Derive from the C++ lexer instead of C to highlight C++ constructs such as template, class and namespace (#3127)
  • D: Allow non-ASCII (Unicode) identifiers (#1088)
  • Fish: Fix single quote backslash escape (#3138, #2821)
  • Go: Various lexer improvements (#3199)
  • GoogleSQL: Require a word break after SET (#3167)
  • Hexdump: Only match valid digits (#3200, #2847)
  • JavaScript: Highlight the arguments object (#3146)
  • Jsonnet: Recognize colons in array slice expressions (#2828)
  • JSX: Allow apostrophes in element text (#2816)
  • Julia: Fix rstrings backslash (#3140, #2537)
  • Kotlin: Support companion objects without an explicit name (#2525)
  • Kotlin: Don't let a nullable type marker (?) consume the following character, so Foo?, and a?:b tokenize correctly (#2964)
  • Kusto: Recognize member-access dots in dynamic objects (#2779)
  • Lua: Various improvements (#3143)
  • Macaulay2: Update symbols to 1.26.05 (#3120)
  • Markdown:
    • Highlight bold-italics (***...*** and ___...___) (#3067)
    • Fix mention regex to support hyphens in usernames (#3139, #3135)
  • Markdown, reStructuredText, TiddlyWiki5: Fix wrong token offsets for embedded code blocks (#3133)
  • Mathematica: Recognize \[Name] named-character escapes such as \[Nu] instead of emitting an Error token (#3097)

... (truncated)

Changelog

Sourced from pygments's changelog.

Version 2.21.0

(released August 17th, 2026)

• New lexers:

  • BitBake (#3103)
  • Caddyfile (#3225)
  • CEL (#3048)
  • PureScript (#1077, #3054)

• Updated lexers:

  • Bash: Fix coloured keyword at the beginning of a name (#2926)
  • Boogie: Add missing Boogie and Civl Verifier keywords (#3156)
  • C#:
    • Recognize interpolated verbatim strings with either $@ or @$ prefixes (#2685)
    • Support dollar-prefixed and multi-quote raw strings (#3129, #2897)
    • Recognize union (#3182)
  • C/C++:
    • Add C23/C++26 attributes (#3084)
    • Add more C2Y keywords (#3092)
    • Highlight a function following a namespace body (#2928)
    • Fix C/C++ lexer support for multiline pre-processor comments (#3051)
    • Add .ipp as a file extension (#3141, #1008)
  • Clojure: Recognize named, octal and unicode character literals such as \space and \o377 as a single token (#979)
  • Csound: Add missing opcode parameter type letter (#3161)
  • CUDA: Derive from the C++ lexer instead of C to highlight C++ constructs such as template, class and namespace (#3127)
  • D: Allow non-ASCII (Unicode) identifiers (#1088)
  • Fish: Fix single quote backslash escape (#3138, #2821)
  • Go: Various lexer improvements (#3199)
  • GoogleSQL: Require a word break after SET (#3167)
  • Hexdump: Only match valid digits (#3200, #2847)
  • JavaScript: Highlight the arguments object (#3146)
  • Jsonnet: Recognize colons in array slice expressions (#2828)
  • JSX: Allow apostrophes in element text (#2816)
  • Julia: Fix rstrings backslash (#3140, #2537)
  • Kotlin: Support companion objects without an explicit name (#2525)
  • Kotlin: Don't let a nullable type marker (?) consume the following character, so Foo?, and a?:b tokenize correctly (#2964)
  • Kusto: Recognize member-access dots in dynamic objects (#2779)
  • Lua: Various improvements (#3143)
  • Macaulay2: Update symbols to 1.26.05 (#3120)
  • Markdown:
    • Highlight bold-italics (***...*** and ___...___) (#3067)
    • Fix mention regex to support hyphens in usernames (#3139, #3135)
  • Markdown, reStructuredText, TiddlyWiki5: Fix wrong token offsets for

... (truncated)

Commits

• a43b45d Get ready for the 2.21.0 release.
• d8f14cb Fix version_added for Purescript.
• 19c5817 Remove superfluous parentheses from PostgresExplainLexer (#3232)
• 9992e09 Merge pull request #3191 from jvoisin/dupes
• bd22577 Fix regexlint warnings after latest update.
• 6a62df1 Release preparation: Update the changelog.
• aabba32 Merge pull request #3221 from jvoisin/alter
• d3441d0 Merge pull request #3225 from jvoisin/caddy
• c593f3f Add a lexer for Caddy
• 0644b53 Simplify single-character regex alternations to character classes
• Additional commits viewable in compare view

Updates urllib3 from 2.7.0 to 2.8.0

Release notes

Sourced from urllib3's releases.

2.8.0

🚀 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. 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

Fixed the following security issues:

• The TLS configuration for HTTPS proxies could be ignored or overridden. (High severity, GHSA-8988-9cw3-xx77)
• HTTPResponse.stream() and read_chunked() could buffer a chunk-size line of unbounded length in memory. (High severity, GHSA-vxq7-64xx-v4gw)
• Chunked Deflate streaming could enter an infinite loop. (Medium severity, GHSA-gh4c-6fx4-qh6g)

[!IMPORTANT] urllib3 2.8.0 fixes HTTPS proxy TLS configuration being ignored or overridden by destination settings. Configurations relying on that behavior may require changes.

Configure proxy CA certificates and client certificates in proxy_ssl_context, and proxy identity checks with proxy_assert_hostname or proxy_assert_fingerprint. Destination client certificates and identity overrides no longer apply to HTTPS forwarding proxy connections.

[!NOTE] CVE IDs had not yet been assigned to these advisories at the time of release due to a backlog at GitHub's CNA.

Deprecations & Removals

• Deprecated using an empty collection as the Retry option allowed_methods to retry any verb. (#5044)

Features

• Added Url.auth_decoded and Url.auth_decoded_joined convenience properties to the result of parse_url(). (#4945)
• Added basic_auth_encoding and proxy_basic_auth_encoding parameters to urllib3.util.make_headers(). (#5092)

Bugfixes

• Fixed response header handling to replace obsolete folded header lines (obs-fold) with spaces in accordance with RFC 9112, preventing raw CRLF sequences from appearing in header values such as Set-Cookie. (#1362)

• Fixed usage of proxy_ssl_context with ProxyManager when use_forwarding_for_https=True. Passing ssl_context instead of proxy_ssl_context for HTTPS proxies in this configuration now emits a FutureWarning and will raise an error in v3.0. (#2577)

• Changed behavior of the default ConnectionPool.pool initialization. LifoQueue is now resolved from the queue module after the ConnectionPool is instantiated instead of using the default cached QueueCls class property. This is done because sometimes the queue.LifoQueue is monkey-patched late in the program, such as by gevent. (#3289)

• Raised UnrewindableBodyError instead of ValueError when retrying a request whose body had tell() but not seek(). (#3779)

• Decoded percent-encoded SOCKS proxy credentials before authenticating with the proxy server. (#3785)

• Fixed HTTPResponse.drain_conn() to discard unread response data in 64 KiB chunks (same as the default amt when doing HTTPResponse.stream(...)). (#5019)

• Fixed is_ipaddress() to detect non-standard IPv4 forms accepted by socket.connect, such as hex (0x7f000001), octal (0177.0.0.1), and decimal integers (2130706433), ensuring SSL certificate verification uses the correct mode for these addresses. (#5029)

• Fixed HTTPConnectionPool.urlopen raising a misleading FullPoolError instead of ValueError when called with an invalid timeout argument on a pool created with block=True. (#5059)

• Fixed port-zero handling to preserve explicit :0 values instead of substituting the default ports 80 or 443 in URL parsing, pool selection, proxy configuration, connection_from_url(), and HTTP/2 request authority. (#5071, #5101)

• Fixed a bug where PoolManager passed the assert_hostname and assert_fingerprint parameters to HTTP connection pools. (#5077)

• Fixed HTTPConnectionPool.urlopen() and HTTP proxy forwarding to strip URL fragments from absolute request targets before sending requests. (#5079)

• Added safeguards to the proxy tunneling code to prevent potential security issues when handling invalid characters in the proxy host and HTTP headers. This change affects users of Python 3.10, Python 3.11, and Python 3.12 when the standard library does not contain the fix; those on newer Python versions should upgrade to 3.13.14+ or 3.14.5+ to get the same security fixes. (#5091)

• Fixed HTTPSConnection.connect() overriding ProxyConfig.ssl_context's certificate policy and proxy identity checks with the target connection's TLS settings when forwarding through an HTTPS proxy.

  HTTPSConnection no longer applies target SNI, assertions, or client credentials to forwarding proxy handshakes and continues to use its ssl_context as a fallback when an HTTPS proxy forwards an HTTP target. (#5093)

• Fixed URL parsing to more strictly enforce RFC 3986 host syntax, rejecting invalid host input such as raw spaces and control characters, malformed percent-encodings, and percent-encoded control characters in HTTP(S) hosts and IPv6 zone identifiers, including proxy CONNECT tunnel targets. Host normalization now also follows RFC 3986 normalization rules for percent-encoded octets by decoding percent-encoded unreserved characters and uppercasing the hexadecimal digits of retained percent-encoded octets. (#5095)

... (truncated)

Changelog

Sourced from urllib3's changelog.

2.8.0 (2026-09-15)

Security

Fixed the following security issues:

• The TLS configuration for HTTPS proxies could be ignored or overridden. (High severity, GHSA-8988-9cw3-xx77 <https://github.com/urllib3/urllib3/security/advisories/GHSA-8988-9cw3-xx77>__)
• HTTPResponse.stream() and read_chunked() could buffer a chunk-size line of unbounded length in memory. (High severity, GHSA-vxq7-64xx-v4gw <https://github.com/urllib3/urllib3/security/advisories/GHSA-vxq7-64xx-v4gw>__)
• Chunked Deflate streaming could enter an infinite loop. (Medium severity, GHSA-gh4c-6fx4-qh6g <https://github.com/urllib3/urllib3/security/advisories/GHSA-gh4c-6fx4-qh6g>__)

.. caution::

urllib3 2.8.0 fixes HTTPS proxy TLS configuration being ignored or
overridden by destination settings. Configurations relying on that
behavior may require changes.
Configure proxy CA certificates and client certificates in
proxy_ssl_context, and proxy identity checks with
proxy_assert_hostname or proxy_assert_fingerprint.
Destination client certificates and identity overrides no longer
apply to HTTPS forwarding proxy connections.

Deprecations & Removals

• Deprecated using an empty collection as the Retry option allowed_methods to retry any verb. ([#5044](https://github.com/urllib3/urllib3/issues/5044) <https://github.com/urllib3/urllib3/issues/5044>__)

Features

• Added Url.auth_decoded and Url.auth_decoded_joined convenience properties to the result of parse_url(). ([#4945](https://github.com/urllib3/urllib3/issues/4945) <https://github.com/urllib3/urllib3/issues/4945>__)
• Added basic_auth_encoding and proxy_basic_auth_encoding parameters to urllib3.util.make_headers(). ([#5092](https://github.com/urllib3/urllib3/issues/5092) <https://github.com/urllib3/urllib3/issues/5092>__)

Bugfixes

... (truncated)

Commits

• b1d30ab Release 2.8.0
• 9016d7e Skip test_read_chunked_with_trailing_data_does_not_hang for brotlicffi (#5258)
• 9101f58 Fix nox -s docs warning (#5256)
• cd770b0 Merge commit from fork
• ea2ad7b Merge commit from fork
• 0716e31 Fix loading unencrypted client keys with a password in pyOpenSSL (#5255)
• 43c68c8 Test pickling of InvalidChunkLength (#5247)
• 308b279 Share security policy between GitHub and Read the Docs (#5253)
• 53fa073 Add policy on duplicate pull requests (#5252)
• 5f2a6a8 Assert on the ALPN extension in test_tunnel_sets_http_11_alpn (#5232)
• Additional commits viewable in compare view

Updates coverage from 7.15.2 to 7.16.2

Release notes

Sourced from coverage's releases.

7.16.2

Version 7.16.2 — 2026-09-27

• Fix: on Python 3.14 and later, a for loop completing immediately before a function return could mistakenly report an uncovered branch. This is now fixed, closing issue 2168.
• Fix: on Python 3.14 and later, the else clause of a try whose body is a with statement could incorrectly be reported as covered when the with raised. This is now fixed, closing issue 2289.
• Fix: with dynamic_context = test_function, test methods written as @staticmethod or @classmethod were not given a context of their own. Now they are, on Python 3.11 and later. Closes issue 1923.

➡️  PyPI page: coverage 7.16.2. :arrow_right:  To install: python3 -m pip install coverage==7.16.2

7.16.1

Version 7.16.1 — 2026-09-13

• Fix: when the body of an irrefutable case (like case _:) is entirely excluded, the case line is now excluded too, just as an excluded else: body removes the else: line. Previously the case line was left behind and reported as missing. Closes issue 1563 with pull 2269.
• Fix: using CoverageData.update() twice on an in-memory database would fail, as described in issue 2279. This is now fixed.

➡️  PyPI page: coverage 7.16.1. :arrow_right:  To install: python3 -m pip install coverage==7.16.1

7.16.0

Version 7.16.0 — 2026-08-28

• When combining files, now path separator slashes will automatically be converted to the local file system style. This makes it less necessary to define [paths] configuration to combine data across operating systems. Fixes issue 2266.
• The Coverage.switch_context() method now returns the previous context.
• Fix: previously, a [paths] pattern would be replaced everywhere in a file path when it was only meant to be replaced once, in the leading portion of the path. This is now fixed, in pull 2268.
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