⬆ Bump aiobotocore from 3.7.0 to 3.9.0

[dependabot]

Bumps aiobotocore from 3.7.0 to 3.9.0.

Release notes

Sourced from aiobotocore's releases.

3.9.0

• bump botocore dependency specification to support "botocore >= 1.43.3, < 1.43.57" (#1665, #1668, #1675)
• bump aiohttp dependency specification to support "aiohttp >= 3.14.0, < 4.0.0" (#1667)
• run the optional httpx backend on trio in addition to asyncio, via anyio primitives, so aiobotocore is usable from trio-based projects (closes #749) (#1667)
• prefer httpx2 — Pydantic's maintained, API-compatible fork of httpx — for the optional httpx backend, adding a new aiobotocore[httpx2] extra; the existing aiobotocore[httpx] extra keeps working but now installs the deprecated legacy httpx package and emits a DeprecationWarning when used (#1669)
• fix the release-drafting workflow silently reporting success when the agent never ran (#1664)

3.8.0

• bump botocore dependency specification to support "botocore >= 1.43.3, < 1.43.47" (#1605, #1606, #1635, #1651, #1655)
• port botocore 1.43.24's long-polling no-retry signal (handler_response is False) through the async retry path so retries don't block the event loop with a synchronous sleep during backoff (#1606)
• fix AIOHTTPSession/HttpxSession blocking the event loop on the first request per proxy: SSL context creation (certificate loading via load_verify_locations/load_cert_chain) now runs in a thread via asyncio.to_thread instead of directly on the loop (closes #1469) (#1587)
• restructure StreamingBody to subclass botocore.response.StreamingBody (dropping the wrapt.ObjectProxy wrapper) and add full httpx API parity — read(amt), readinto(), readlines(), async iteration, iter_lines()/iter_chunks(), tell(), close() — where read(amt) previously raised ValueError; note that AioStreamingBody.__aenter__ now returns self instead of the raw aiohttp ClientResponse (use .raw_stream for the underlying response) (closes #1365) (#1539)

Changelog

Sourced from aiobotocore's changelog.

3.9.0 (2026-08-01) ^^^^^^^^^^^^^^^^^^

• bump botocore dependency specification to support "botocore >= 1.43.3, < 1.43.57" (#1665, #1668, #1675)
• bump aiohttp dependency specification to support "aiohttp >= 3.14.0, < 4.0.0" (#1667)
• run the optional httpx backend on trio in addition to asyncio, via anyio primitives, so aiobotocore is usable from trio-based projects (closes #749) (#1667)
• prefer httpx2 — Pydantic's maintained, API-compatible fork of httpx — for the optional httpx backend, adding a new aiobotocore[httpx2] extra; the existing aiobotocore[httpx] extra keeps working but now installs the deprecated legacy httpx package and emits a DeprecationWarning when used (#1669)
• fix the release-drafting workflow silently reporting success when the agent never ran (#1664)

3.8.0 (2026-07-17) ^^^^^^^^^^^^^^^^^^

• bump botocore dependency specification to support "botocore >= 1.43.3, < 1.43.47" (#1605, #1606, #1635, #1651, #1655)
• port botocore 1.43.24's long-polling no-retry signal (handler_response is False) through the async retry path so retries don't block the event loop with a synchronous sleep during backoff (#1606)
• fix AIOHTTPSession/HttpxSession blocking the event loop on the first request per proxy: SSL context creation (certificate loading via load_verify_locations/load_cert_chain) now runs in a thread via asyncio.to_thread instead of directly on the loop (closes #1469) (#1587)
• restructure StreamingBody to subclass botocore.response.StreamingBody (dropping the wrapt.ObjectProxy wrapper) and add full httpx API parity — read(amt), readinto(), readlines(), async iteration, iter_lines()/iter_chunks(), tell(), close() — where read(amt) previously raised ValueError; note that AioStreamingBody.__aenter__ now returns self instead of the raw aiohttp ClientResponse (use .raw_stream for the underlying response) (closes #1365) (#1539)

Commits

• 9e70a4e Release v3.9.0 (#1688)
• 791296c ci: test the built dists instead of the checkout (#1686)
• 7788038 feat: run the httpx backend on trio (#1667)
• 67579a1 ci: test on Python 3.15 (#1684)
• fac41ea build(deps-dev): bump anthropic from 0.117.0 to 0.119.0 (#1680)
• 6b28016 build(deps): bump anthropics/claude-code-action from 1.0.176 to 1.0.182 (#1678)
• 92a8fe3 feat: prefer httpx2 over httpx for the optional httpx backend (#1669)
• 24deff5 build(deps): bump actions/checkout from 7.0.0 to 7.0.1 (#1676)
• fcf363f build(deps): bump astral-sh/setup-uv from 8.3.2 to 9.0.0 (#1677)
• 83f3fe4 build(deps): bump pypa/gh-action-pypi-publish from 1.14.0 to 1.14.1 (#1679)
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