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Add Kubernetes v1.35 support and document the introduction of nftables as a kube-proxy mode.#2099

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kubermatic-bot merged 3 commits intomainfrom
update-docs-nftables-1.35
Mar 9, 2026
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Add Kubernetes v1.35 support and document the introduction of nftables as a kube-proxy mode.#2099
kubermatic-bot merged 3 commits intomainfrom
update-docs-nftables-1.35

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This PR updates the documentation to reflect Kubernetes v1.35 support and introduces nftables as a supported kube-proxy mode.

Signed-off-by: rajaSahil <sahilraja242@gmail.com>
@kubermatic-bot kubermatic-bot added the dco-signoff: yes Denotes that all commits in the pull request have the valid DCO signoff message. label Feb 28, 2026
@rajaSahil rajaSahil requested a review from archups February 28, 2026 07:10
@kubermatic-bot kubermatic-bot added the size/S Denotes a PR that changes 10-29 lines, ignoring generated files. label Feb 28, 2026
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Few changes requested.
Plus take care of k8s version updates at other places such as
content\kubermatic\main\tutorials-howtos\operating-system-manager\compatibility\_index.en.md and content\operatingsystemmanager\compatibility\_index.en.md

Also installation/upgrading/upgrade-from-2.29-to-2.30/ notes should be added in general where we usually have kubernetes version information in "Next Steps" section. Please refer to earlier version upgrade nodes installation/upgrading/upgrade-from-2.28-to-2.29/

| 2.29.x | ✓ | ✓ | ✓ | | -- | -- |
| 2.28.x | -- | ✓ | ✓ | ✓ | ✓ | -- |
| 2.27.x | -- | -- | ✓ | ✓ | ✓ | ✓ |
| KKP version | 1.35 | 1.34 |1.33 | 1.32 | 1.31[^2] | 1.30[^2] |
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| KKP version | 1.35 | 1.34 |1.33 | 1.32 | 1.31[^2] | 1.30[^2] |
| KKP version | 1.35 | 1.34 |1.33 | 1.32[^2] | | 1.31[^2] | 1.30[^2] |

| 2.29.x | -- | ✓ | ✓ | ✓ | ✓ | -- |
| 2.28.x | -- | -- | ✓ | ✓ | ✓ | ✓ |

[^2]: Kubernetes releases below version 1.31 have reached End-of-Life (EOL). We strongly
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[^2]: Kubernetes releases below version 1.31 have reached End-of-Life (EOL). We strongly
[^2]: Kubernetes releases below version 1.33 have reached End-of-Life (EOL). We strongly

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Suggested change
marked as supported, for example KKP 2.29 supports updating clusters from Kubernetes 1.33 to 1.34.

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Suggested change
implementation has been removed from upstream Kubernetes. From KKP 2.27.x, no provider incompatibilities exist.

Signed-off-by: Sahil Raja <sahilraja242@gmail.com>
@kubermatic-bot kubermatic-bot added size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. and removed size/S Denotes a PR that changes 10-29 lines, ignoring generated files. labels Mar 8, 2026
Signed-off-by: rajaSahil <sahilraja242@gmail.com>
@kubermatic-bot kubermatic-bot added size/M Denotes a PR that changes 30-99 lines, ignoring generated files. and removed size/XS Denotes a PR that changes 0-9 lines, ignoring generated files. labels Mar 8, 2026
@rajaSahil rajaSahil force-pushed the update-docs-nftables-1.35 branch from 1d3856e to 50ee0f0 Compare March 8, 2026 08:33
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/approve
/lgtm

@kubermatic-bot kubermatic-bot added the lgtm Indicates that a PR is ready to be merged. label Mar 9, 2026
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LGTM label has been added.

DetailsGit tree hash: 86427362ca08cf0691ffe8b7d1b31d53acf1b943

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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: archups

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@kubermatic-bot kubermatic-bot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Mar 9, 2026
@kubermatic-bot kubermatic-bot merged commit d55f43b into main Mar 9, 2026
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@kubermatic-bot kubermatic-bot deleted the update-docs-nftables-1.35 branch March 9, 2026 12:41
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