follow Kubebuilder recommendations in maintenance#296
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Pull request overview
Updates the repository’s maintenance guidance (and Go module metadata) to align version selection with Kubebuilder’s compatibility recommendations.
Changes:
- Adjusts
go.modGo version declaration. - Updates
docs/maintenance.mdto direct maintainers to Kubebuilder testdata for compatible dependency/Go versions and refines upgrade steps wording.
Reviewed changes
Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.
| File | Description |
|---|---|
| go.mod | Updates the declared Go version (and removes the toolchain pin). |
| docs/maintenance.md | Revises maintenance instructions to follow Kubebuilder compatibility guidance and clarifies upgrade steps. |
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Signed-off-by: Ryotaro Banno <ryotaro.banno@gmail.com>
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Kubebuilder uses go 1.25.7, so we should use it, too. cf. https://github.com/kubernetes-sigs/kubebuilder/blob/v4.14.0/testdata/project-v4/go.mod#L3 Note that, if we try to stick to the versions Kubebuilder is using, we should change k8s.io/* libraries' versions from v0.35.4 to v0.35.2. However, there is no strong reason to downgrade the libraries because the current version of Mantle is stable. Thus, for now, we'll just follow the Go version only. Once we need to support newer versions of Kubernetes we'll follow the Kubebuilder's recommendetaions strictly. Signed-off-by: Ryotaro Banno <ryotaro.banno@gmail.com>
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satoru-takeuchi
approved these changes
Jun 22, 2026
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