[jdork0]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Prior to version 36.0.0, the async client was a seperate pypi package. With version 36.0.0 including the async client in the main package, this increased the vulnerability/install footprint for users who don't require the asyncio client + dependencies.

This change makes asyncio dependencies an extra that will not be installed by default. These dependencies are now only installed by specifying the asyncio extra - pip install kubernetes[asyncio].

Which issue(s) this PR fixes:

Fixes #2739

Special notes for your reviewer:

Tested pip install kubernetes.whl and kubernetes.whl[asyncio] and compared pip freeze list post install.

$ diff -y base-freeze.txt asyncio-freeze.txt
                                                              > aiohappyeyeballs==2.7.1
                                                              > aiohttp==3.14.5
                                                              > aiohttp-retry==2.9.1
                                                              > aiosignal==1.4.0
annotated-types==0.8.0                                          annotated-types==0.8.0
                                                              > attrs==26.1.0
certifi==2026.10.23                                             certifi==2026.10.23
charset-normalizer==3.5.2                                       charset-normalizer==3.5.2
durationpy==0.11                                                durationpy==0.11
                                                              > frozenlist==1.8.0
idna==3.20                                                      idna==3.20
kubernetes @ file:///home/jasonk/ws/nokia/kubernetes-client-p   kubernetes @ file:///home/jasonk/ws/nokia/kubernetes-client-p
                                                              > multidict==7.2.1
oauthlib==4.0.0                                                 oauthlib==4.0.0
                                                              > propcache==0.5.4
pydantic==2.14.2                                                pydantic==2.14.2
pydantic_core==2.50.2                                           pydantic_core==2.50.2
python-dateutil==3.0.0                                          python-dateutil==3.0.0
PyYAML==6.0.3                                                   PyYAML==6.0.3
requests==2.34.2                                                requests==2.34.2
requests-oauthlib==2.0.0                                        requests-oauthlib==2.0.0
six==1.17.0                                                     six==1.17.0
typing-inspection==0.4.4                                        typing-inspection==0.4.4
typing_extensions==4.16.0                                       typing_extensions==4.16.0
tzdata==2026.6                                                  tzdata==2026.6
urllib3==2.8.0                                                  urllib3==2.8.0
websocket-client==1.9.2                                         websocket-client==1.9.2
                                                              > yarl==1.25.1

Does this PR introduce a user-facing change?

Yes, users who install from pypi and need async client will need to pip install kubernetes[asyncio] to have all the dependencies installed.

Breaking change: the asyncio client's dependencies, such as `aiohttp` and `aiohttp-retry`, are no longer installed by `pip install kubernetes`. Applications that use `kubernetes.aio` must install with `pip install kubernetes[asyncio]`.

[linux-foundation-easycla]

The committers listed above are authorized under a signed CLA.

• ✅ login: jdork0 / name: Jason Kelly (51f73bc)

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