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build(deps): bump the uv group across 1 directory with 7 updates - #99

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Bumps the uv group with 7 updates in the /environments/m2m2_visual_improvement directory:

Package From To
datasets 5.0.0 5.0.1
cryptography 49.0.0 50.0.0
fsspec 2026.4.0 2026.6.0
mcp 1.28.1 1.30.0
multidict 6.7.1 6.9.1
pyjwt 2.13.0 2.15.0
urllib3 2.7.0 2.8.0

Updates datasets from 5.0.0 to 5.0.1

Release notes

Sourced from datasets's releases.

5.0.1

Bug fixes

Docs

New Contributors

... (truncated)

Commits
  • 921c2a7 release: 5.0.1 (#8370)
  • c6fc5cd Preserve nullable integer columns in to_json/to_csv/to_sql (#8366)
  • 6747b87 Fix DatasetDict.push_to_hub leaving removed splits in the dataset card (#8367)
  • b305031 fix buckets on windows (#8369)
  • 030a3e5 Decode Json() columns in Dataset.to_pandas() (#8344)
  • 0f207a0 Rebatch arrow source before formatting in IterableDataset.filter to fix resum...
  • adad35d Keep integers on the python read path for fixed-shape ArrayXD columns with nu...
  • 8966746 Fix CSV loader dropping on_bad_lines/encoding_errors on pandas 2.0-2.2 (#8358)
  • b8e861a Fix bucket dataset card handling and push metadata accounting (#8354)
  • 521a590 Keep flat numeric columns with nulls numeric in numpy format (#8352)
  • Additional commits viewable in compare view

Updates cryptography from 49.0.0 to 50.0.0

Changelog

Sourced from cryptography's changelog.

50.0.0 - 2026-07-31


* **SECURITY ISSUE**:
  :func:`~cryptography.hazmat.primitives.serialization.pkcs7.pkcs7_decrypt_der`
  and its PEM and S/MIME variants no longer expose distinguishable errors or
  timing when unwrapping a ``RecipientInfo``'s ``encryptedKey``, which could
  act as a Bleichenbacher oracle for callers that decrypt untrusted messages.
  A random key is now substituted on failure, as described in :rfc:`3218`.
  Credit to **@X1AOxiang** for reporting the issue. **CVE-2026-69247**
* Deprecated Diffie-Hellman key exchange over finite fields (FFDH).
  Everything FFDH is deprecated, including the types in
  ``cryptography.hazmat.primitives.asymmetric.dh`` and loading FFDH keys or
  parameters with the key loading APIs. Users should migrate to a more
  modern key exchange algorithm.
* Added ``xof()`` class methods to
  :class:`~cryptography.hazmat.primitives.hashes.SHAKE128` and
  :class:`~cryptography.hazmat.primitives.hashes.SHAKE256` for constructing
  algorithm instances configured for use with
  :class:`~cryptography.hazmat.primitives.hashes.XOFHash`.
* The :mod:`X.509 verification <cryptography.x509.verification>` APIs are now
  considered stable and are subject to our API stability policy.
* Added the :doc:`/cobblestone` recipe, an implementation of the
  Cobblestone-128 and Cobblestone-256 instantiations of the `C2SP
  chunked-encryption specification
  <https://c2sp.org/chunked-encryption>`_ for streaming authenticated
  encryption of large messages.
* Parsing a Signed Certificate Timestamp list now rejects encodings that
  carry trailing bytes after the list or after an individual SCT, instead of
  silently ignoring them.
* Added support for using :class:`~cryptography.x509.Name` as a field type in
  the :doc:`/hazmat/asn1/index` module.
* Loading a public key or an EC private key now rejects DER where the
  ``subjectPublicKey`` (or EC ``publicKey``) ``BIT STRING`` declares a non-zero
  number of unused bits, instead of silently ignoring it.
* Parsing a CRL entry's ``InvalidityDate`` extension now rejects a
  ``GeneralizedTime`` that carries fractional seconds or another non-DER form,
  matching the strict encoding already required for every other X.509 time
  field.
* :func:`~cryptography.x509.ocsp.load_der_ocsp_request` and
  :func:`~cryptography.x509.ocsp.load_der_ocsp_response` now reject a request
  or response whose ``version`` field is not ``v1``, the only version defined
  by RFC 6960, matching the version validation already performed when loading
  certificates, CSRs and CRLs.
* :class:`~cryptography.hazmat.primitives.hashes.XOFHash` is now supported
  when building against AWS-LC.
* HMAC (and therefore PBKDF2-HMAC) with SHA-3 hashes is now supported when
  building against AWS-LC.
* Diffie-Hellman (:doc:`/hazmat/primitives/asymmetric/dh`) is now supported
  when building against AWS-LC.
</tr></table>

... (truncated)

Commits

Updates fsspec from 2026.4.0 to 2026.6.0

Commits
  • a245700 changelog (#2049)
  • 652325d Fix async cat ranges on error (#2045)
  • 073aac8 Forward kwargs from cat_ranges to cat_file (#2044)
  • 2818611 FTP: preserve filenames containing whitespace in _mlsd2 (#2043)
  • c879384 Prevent attribute error by checking for 'forced' attribute before flushing ca...
  • 71b8a6b Reflect async _walk correctly (#2040)
  • 5eec9f9 Fix: Omit threading.get_ident() from cache token for async implementations ...
  • 8643878 Small safety improvements (#2039)
  • a1c16ab Honour simple_templates everywhere in referenceFS (#2029)
  • 85facaa Fix infinite recursion in expand_path when resolving paths with glob magic ch...
  • Additional commits viewable in compare view

Updates mcp from 1.28.1 to 1.30.0

Release notes

Sourced from mcp's releases.

v1.30.0

Maintenance release of the 1.x line. 2.x is the current line; 1.x docs are at https://py.sdk.modelcontextprotocol.io/v1/.

A few defaults changed in this release. If you run a server or client on 1.x, skim these first:

Behaviour changes

HTTP client redirects are only followed within the endpoint's origin (#3448)

  • streamable_http_client and sse_client follow a redirect only if it stays on the same scheme, host and port (or upgrades http to https on the same host).
  • A redirect anywhere else now fails the request with httpx.HTTPStatusError. If that other URL is the server you meant, use it as the endpoint URL.
  • The follow_redirects setting on an httpx.AsyncClient you pass in is no longer used for MCP requests, so you don't need it for the trailing-slash redirect any more.
  • OAuthClientProvider applies the same rule to its own requests.

Idle Streamable HTTP sessions now expire (#3426)

  • A stateful session with nothing in flight for 30 minutes is closed. The client's next request gets a 404 and it has to initialize again.
  • Clients that keep the GET stream open (the SDK's client does) are not affected.
  • A server also holds at most 10 000 sessions at once; beyond that, new sessions get a 503.
  • To turn either off: FastMCP(..., session_idle_timeout=None, max_sessions=None).

The OAuth client checks the authorization server's issuer (#3431)

  • Authorization server metadata whose issuer doesn't match the server it was fetched for is now rejected with OAuthFlowError: Authorization server metadata issuer mismatch.
  • Client registrations are now remembered per issuer; if the server later points at a different authorization server, the client registers again.
  • If protected resource metadata can't be fetched because of a 5xx/429, the flow now stops instead of falling back to the legacy endpoints.

Two new DeprecationWarnings (#3431, #3451)

  • ClientCredentialsOAuthProvider / PrivateKeyJWTOAuthProvider without issuer=. Pass your authorization server's issuer URL.
  • AuthSettings with resource_server_url set but validate_token_resource unset. Set it to True or False.
  • Both keep working as before in 1.x; this mostly matters if your tests turn warnings into errors.

New

  • AuthSettings.validate_token_resource: only accept tokens your TokenVerifier reports as issued for this server (#3451).
  • issuer= on ClientCredentialsOAuthProvider and PrivateKeyJWTOAuthProvider (#3431).
  • session_idle_timeout= and max_sessions= on FastMCP (#3426).

What's Changed

Full Changelog: modelcontextprotocol/python-sdk@v1.29.1...v1.30.0

v1.29.1

What's Changed

... (truncated)

Commits
  • 8c2fa6e [v1.x] Add AuthSettings.validate_token_resource to check a bearer token's res...
  • 2106335 [v1.x] Follow redirects only within the MCP endpoint's origin (#3448)
  • 3eed7ce [v1.x] Validate the authorization server metadata issuer on every discovery p...
  • 92120b4 [v1.x] Expire idle Streamable HTTP sessions by default and cap concurrent ses...
  • 5ebdfed [v1.x] Resolve tool output-schema references within the schema document only ...
  • b222713 [v1.x] Give recursive tool return types an object-rooted output schema (#3377)
  • 4dc224f [v1.x] Apply the request body limit to the SSE and OAuth endpoints (#3344)
  • ae3338f [v1.x] Complete the FastMCP Settings model at import time (#3352)
  • 98b7159 [v1.x] Move the v1.x docs to /v1/ and mark v1.x as the maintenance line (#3177)
  • c0c5a9d [v1.x] ci: pick the docs toolchain per worktree in build-docs.sh (#3082)
  • Additional commits viewable in compare view

Updates multidict from 6.7.1 to 6.9.1

Release notes

Sourced from multidict's releases.

6.9.1

Bug fixes

  • Fixed the C extension reading freed memory on free-threaded builds when a list handed to :py:meth:~multidict.MultiDict.update, :py:meth:~multidict.MultiDict.extend, :py:meth:~multidict.MultiDict.merge or the :py:class:~multidict.MultiDict and :py:class:~multidict.CIMultiDict constructors, a [key, value] item inside any iterable handed to them, or a list tested with in against :py:meth:~multidict.MultiDict.items, is changed by another thread; a call that catches the list shrinking under it now raises :py:exc:RuntimeError -- by :user:rodrigobnogueira.

    Related issues and pull requests on GitHub: #1437.

  • Fixed a data race on the free-threaded build where a retired hash table's reader count used relaxed atomics, letting a lock-free get()/getone()/ __getitem__() read race a concurrent free of that table. The reader-exit decrement and the drain's free check now use release/acquire ordering instead -- by :user:asvetlov.

    Related issues and pull requests on GitHub: #1481.

  • Fixed a free-threaded build bug where two threads calling update(), merge(), or __setitem__() on the same key at the same time could lose the key entirely instead of just racing on which value wins. A decref of the replaced value could transiently suspend the writer's critical section, letting a second writer for the same key observe the first writer's in-progress entry as absent and, once both settled, mistake it for a stale duplicate and delete it. Every such decref is now deferred until the writer has released its critical section, so the window can no longer open. setdefault() had an unrelated instance of the same blind spot (it could insert a duplicate rather than recognizing an in-flight key), fixed alongside it -- by :user:asvetlov.

    Related issues and pull requests on GitHub: #1483.

  • Fixed a free-threaded build bug where getall() and the items()/ keys()/values() equality path could raise KeyError or report a present, never-deleted key as missing. A concurrent update()/extend()/ __setitem__() call can have its critical section transiently suspended (a decref triggering a blocking allocator call) while an entry is marked as part of its own bookkeeping; a reader landing in that window used to treat the mark as "not found" instead of "still there, in flight" -- by :user:asvetlov.

    Related issues and pull requests on GitHub:

... (truncated)

Changelog

Sourced from multidict's changelog.

6.9.1

(2026-09-21)

Bug fixes

  • Fixed the C extension reading freed memory on free-threaded builds when a list handed to :py:meth:~multidict.MultiDict.update, :py:meth:~multidict.MultiDict.extend, :py:meth:~multidict.MultiDict.merge or the :py:class:~multidict.MultiDict and :py:class:~multidict.CIMultiDict constructors, a [key, value] item inside any iterable handed to them, or a list tested with in against :py:meth:~multidict.MultiDict.items, is changed by another thread; a call that catches the list shrinking under it now raises :py:exc:RuntimeError -- by :user:rodrigobnogueira.

    Related issues and pull requests on GitHub: :issue:1437.

  • Fixed a data race on the free-threaded build where a retired hash table's reader count used relaxed atomics, letting a lock-free get()/getone()/ __getitem__() read race a concurrent free of that table. The reader-exit decrement and the drain's free check now use release/acquire ordering instead -- by :user:asvetlov.

    Related issues and pull requests on GitHub: :issue:1481.

  • Fixed a free-threaded build bug where two threads calling update(), merge(), or __setitem__() on the same key at the same time could lose the key entirely instead of just racing on which value wins. A decref of the replaced value could transiently suspend the writer's critical section, letting a second writer for the same key observe the first writer's in-progress entry as absent and, once both settled, mistake it for a stale duplicate and delete it. Every such decref is now deferred until the writer has released its critical section, so the window can no longer open. setdefault() had an unrelated instance of the same blind spot (it could insert a duplicate rather than recognizing an in-flight key), fixed alongside it -- by :user:asvetlov.

    Related issues and pull requests on GitHub: :issue:1483.

  • Fixed a free-threaded build bug where getall() and the items()/ keys()/values() equality path could raise KeyError or report a present, never-deleted key as missing. A concurrent update()/extend()/ __setitem__() call can have its critical section transiently suspended (a decref triggering a blocking allocator call) while an entry is marked as

... (truncated)

Commits
  • 0a1770c Release 6.9.1 (#1504)
  • d220522 Upload release assets one at a time to avoid the secondary rate limit (#1503)
  • 30cd596 Stop a GIL-releasing del from segfaulting the standard C extension build ...
  • d1c331a Recheck the reader gate after taking the retired list (#1502)
  • b37f07c Allocate deferred decrefs in fixed-size blocks (#1501)
  • 563f667 Run CodSpeed benchmarks on Python 3.14 and loop the smallest ones (#1498)
  • 157c87c Cancel superseded CI runs on pull requests (#1500)
  • d43adfe Drop -I from the ASan test command so PYTHONMALLOC takes effect (#1499)
  • 2a68472 Stop items() iteration from reading a freed entry in CIMultiDict (#1496)
  • cd528d6 Rename GHSA-54p9-h82j-f925 changelog fragment to the merged commit (#1495)
  • Additional commits viewable in compare view

Updates pyjwt from 2.13.0 to 2.15.0

Release notes

Sourced from pyjwt's releases.

2.15.0

See the 2.15.0 changelog for complete release details.

2.14.0

See the 2.14.0 changelog for the complete release details and related security advisories.

Changelog

Sourced from pyjwt's changelog.

v2.15.0 <https://github.com/jpadilla/pyjwt/compare/2.14.0...2.15.0>__

Security


- Wrap recursion errors from deeply nested JWT payloads in ``DecodeError``
  instead of exposing a raw ``RecursionError``.

Added



- Support Python 3.15 by @kytta in `[#1202](https://github.com/jpadilla/pyjwt/issues/1202) &lt;https://github.com/jpadilla/pyjwt/pull/1202&gt;`__

Changed




    

  • JWKSetCache now stores the parsed PyJWKSet rather than the raw JWKS
payload, so a cache hit no longer re-parses every key. JWKSetCache.put()
accepts either form and raises PyJWKSetError for anything else. As a
result, PyJWKClient.get_jwk_set() returns the same PyJWKSet instance
for as long as it stays cached, rather than a freshly built one per call in
[#1208](https://github.com/jpadilla/pyjwt/issues/1208) &lt;https://github.com/jpadilla/pyjwt/pull/1208&gt;__
    • 

  • PyJWKClient.fetch_data() now raises
PyJWKClientError(&quot;The JWKS endpoint did not return a JSON object&quot;) when
the endpoint response is not a JSON object, instead of returning it for
get_jwk_set() to reject. Callers reaching the JWKS through
get_jwk_set() see the same error as before in
[#1208](https://github.com/jpadilla/pyjwt/issues/1208) &lt;https://github.com/jpadilla/pyjwt/pull/1208&gt;__
    • 



Fixed



- Return cached ``PyJWKSet`` values from ``PyJWKClient.get_jwk_set()`` instead
  of raising ``PyJWKClientError(&quot;The JWKS endpoint did not return a JSON
  object&quot;)``. ``JWKSetCache.put()`` documents ``PyJWKSet`` as the cached value,
  so callers pre-populating the cache to avoid a network round-trip could not
  read it back in `[#914](https://github.com/jpadilla/pyjwt/issues/914) &lt;https://github.com/jpadilla/pyjwt/issues/914&gt;`__ and
  `[#1208](https://github.com/jpadilla/pyjwt/issues/1208) &lt;https://github.com/jpadilla/pyjwt/pull/1208&gt;`__
- ``PyJWKClient.get_jwk_set()`` now caches the key set it returns, so a
  ``fetch_data()`` override that filters or transforms the JWKS is no longer
  undone by the next cache hit in
  `[#1208](https://github.com/jpadilla/pyjwt/issues/1208) &lt;https://github.com/jpadilla/pyjwt/pull/1208&gt;`__
- Raise the documented ``PyJWTError`` subclass instead of leaking a
  ``TypeError`` when the ``exp``, ``nbf``, or ``iat`` claim decodes to a
  non-numeric, non-string value such as a list, dict, or ``null``.
- Reject OKP JWK private keys when their public ``x`` component does not
  match the private ``d`` component.
- Treat malformed JWK Set members as unusable keys rather than letting
  ``AttributeError`` or ``TypeError`` escape ``PyJWKSet``. A member that is not
&lt;/tr&gt;&lt;/table&gt; 
</code></pre>
</blockquote>
<p>... (truncated)</p>
</details>
<details>
<summary>Commits</summary>

<ul>

<li><a href="https://github.com/jpadilla/pyjwt/commit/1d41a6478e1562e68ff667fcd703356acf085f68&quot;&gt;&lt;code&gt;1d41a64&lt;/code&gt;&lt;/a> chore: prepare 2.15.0 release</li>

<li><a href="https://github.com/jpadilla/pyjwt/commit/9bc06658f875b9b40091539140bbbdc4639161c3&quot;&gt;&lt;code&gt;9bc0665&lt;/code&gt;&lt;/a> fix: make recursive payload tests deterministic</li>

<li><a href="https://github.com/jpadilla/pyjwt/commit/5fde08a6cf906aa7698de2d6391d88b73006b17b&quot;&gt;&lt;code&gt;5fde08a&lt;/code&gt;&lt;/a> fix: normalize recursive JWT payload errors</li>

<li><a href="https://github.com/jpadilla/pyjwt/commit/171062d2d734315272a901100aa4b109f2fc3c19&quot;&gt;&lt;code&gt;171062d&lt;/code&gt;&lt;/a> utils: mention bytes in force_bytes type error (<a href="https://redirect.github.com/jpadilla/pyjwt/issues/1173&quot;&gt;#1173&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/jpadilla/pyjwt/commit/c9d4d5375bf464ef363506fed9eb6e7f33217ab6&quot;&gt;&lt;code&gt;c9d4d53&lt;/code&gt;&lt;/a> docs/conf: drop duplicate 'and' from read() docstring (<a href="https://redirect.github.com/jpadilla/pyjwt/issues/1174&quot;&gt;#1174&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/jpadilla/pyjwt/commit/2763752196113e1473b0ed7905aa6034aedfbe53&quot;&gt;&lt;code&gt;2763752&lt;/code&gt;&lt;/a> Add support for Python 3.15 (<a href="https://redirect.github.com/jpadilla/pyjwt/issues/1202&quot;&gt;#1202&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/jpadilla/pyjwt/commit/4adcd02722f5011c60079d3978dfc167b9a8eaa5&quot;&gt;&lt;code&gt;4adcd02&lt;/code&gt;&lt;/a> Catch http.client.HTTPException in PyJWKClient.fetch_data (<a href="https://redirect.github.com/jpadilla/pyjwt/issues/1201&quot;&gt;#1201&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/jpadilla/pyjwt/commit/9e501d993b4d3e7dba14bdb1722b1d993ac75097&quot;&gt;&lt;code&gt;9e501d9&lt;/code&gt;&lt;/a> fix: correct docstring typo in _validate_jti (<a href="https://redirect.github.com/jpadilla/pyjwt/issues/1179&quot;&gt;#1179&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/jpadilla/pyjwt/commit/4047c44d51950ffda15f40054508d3f17c43b1e2&quot;&gt;&lt;code&gt;4047c44&lt;/code&gt;&lt;/a> docs: clarify JWK certificate member handling (<a href="https://redirect.github.com/jpadilla/pyjwt/issues/1212&quot;&gt;#1212&lt;/a&gt;)&lt;/li>

<li><a href="https://github.com/jpadilla/pyjwt/commit/f4e2b59f543cc82d46d9d69922bba59e804216b9&quot;&gt;&lt;code&gt;f4e2b59&lt;/code&gt;&lt;/a> [pre-commit.ci] pre-commit autoupdate (<a href="https://redirect.github.com/jpadilla/pyjwt/issues/1210&quot;&gt;#1210&lt;/a&gt;)&lt;/li>

<li>Additional commits viewable in <a href="https://github.com/jpadilla/pyjwt/compare/2.13.0...2.15.0&quot;&gt;compare view</a></li>

</ul>

</details>


<br />


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
    • 







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@dependabot
build(deps): bump the uv group across 1 directory with 7 updates
e2847a5 
Bumps the uv group with 7 updates in the /environments/m2m2_visual_improvement directory:

| Package | From | To |
| --- | --- | --- |
| [datasets](https://github.com/huggingface/datasets) | `5.0.0` | `5.0.1` |
| [cryptography](https://github.com/pyca/cryptography) | `49.0.0` | `50.0.0` |
| [fsspec](https://github.com/fsspec/filesystem_spec) | `2026.4.0` | `2026.6.0` |
| [mcp](https://github.com/modelcontextprotocol/python-sdk) | `1.28.1` | `1.30.0` |
| [multidict](https://github.com/aio-libs/multidict) | `6.7.1` | `6.9.1` |
| [pyjwt](https://github.com/jpadilla/pyjwt) | `2.13.0` | `2.15.0` |
| [urllib3](https://github.com/urllib3/urllib3) | `2.7.0` | `2.8.0` |



Updates `datasets` from 5.0.0 to 5.0.1
- [Release notes](https://github.com/huggingface/datasets/releases)
- [Commits](huggingface/datasets@5.0.0...5.0.1)

Updates `cryptography` from 49.0.0 to 50.0.0
- [Changelog](https://github.com/pyca/cryptography/blob/main/CHANGELOG.rst)
- [Commits](pyca/cryptography@49.0.0...50.0.0)

Updates `fsspec` from 2026.4.0 to 2026.6.0
- [Commits](fsspec/filesystem_spec@2026.4.0...2026.6.0)

Updates `mcp` from 1.28.1 to 1.30.0
- [Release notes](https://github.com/modelcontextprotocol/python-sdk/releases)
- [Changelog](https://github.com/modelcontextprotocol/python-sdk/blob/main/RELEASE.md)
- [Commits](modelcontextprotocol/python-sdk@v1.28.1...v1.30.0)

Updates `multidict` from 6.7.1 to 6.9.1
- [Release notes](https://github.com/aio-libs/multidict/releases)
- [Changelog](https://github.com/aio-libs/multidict/blob/master/CHANGES.rst)
- [Commits](aio-libs/multidict@v6.7.1...v6.9.1)

Updates `pyjwt` from 2.13.0 to 2.15.0
- [Release notes](https://github.com/jpadilla/pyjwt/releases)
- [Changelog](https://github.com/jpadilla/pyjwt/blob/master/CHANGELOG.rst)
- [Commits](jpadilla/pyjwt@2.13.0...2.15.0)

Updates `urllib3` from 2.7.0 to 2.8.0
- [Release notes](https://github.com/urllib3/urllib3/releases)
- [Changelog](https://github.com/urllib3/urllib3/blob/main/CHANGES.rst)
- [Commits](urllib3/urllib3@2.7.0...2.8.0)

---
updated-dependencies:
- dependency-name: datasets
  dependency-version: 5.0.1
  dependency-type: direct:production
  dependency-group: uv
- dependency-name: cryptography
  dependency-version: 50.0.0
  dependency-type: indirect
  dependency-group: uv
- dependency-name: fsspec
  dependency-version: 2026.6.0
  dependency-type: indirect
  dependency-group: uv
- dependency-name: mcp
  dependency-version: 1.30.0
  dependency-type: indirect
  dependency-group: uv
- dependency-name: multidict
  dependency-version: 6.9.1
  dependency-type: indirect
  dependency-group: uv
- dependency-name: pyjwt
  dependency-version: 2.15.0
  dependency-type: indirect
  dependency-group: uv
- dependency-name: urllib3
  dependency-version: 2.8.0
  dependency-type: indirect
  dependency-group: uv
...

Signed-off-by: dependabot[bot] <support@github.com>
@dependabot dependabot Bot added dependencies Pull requests that update a dependency file python:uv Pull requests that update python:uv code labels Oct 17, 2026
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Review the following changes in direct dependencies. Learn more about Socket for GitHub.

Diff Package Supply Chain
Security		 Vulnerability Quality Maintenance License
Updatedpypi/​datasets@​5.0.0 ⏵ 5.0.193 +1100 +2100100100

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