Upgrade to Kubernetes 1.35 compatibility #36
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- Update Go version from 1.21 to 1.25.0 (required by k8s.io/api v0.35.0) - Upgrade k8s.io/api, k8s.io/apimachinery, k8s.io/client-go from v0.29.2 to v0.35.0 - Upgrade sigs.k8s.io/controller-runtime from v0.17.3 to v0.19.0 - Upgrade istio.io/api and istio.io/client-go from v1.17.x to v1.24.0 - Update controller-gen from v0.9.2 to v0.16.0 - Update kustomize from v3.8.7 to v5.4.0 - Update kind from v0.18.0 to v0.24.0 - Update istioctl from v1.17.2 to v1.24.0 - Update golangci-lint config to v2 format - Fix TypedEventHandler generics for controller-runtime v0.19 - Fix format string warnings in dynamicenv_controller.go - Update CI matrix: add k8s 1.35, keep 1.29/1.25, remove 1.21/1.23 - Update Dockerfile to golang:1.25 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Upgrade controller-tools from v0.16.0 to v0.20.0 to fix build failure in CI. The v0.16.0 version has an incompatible golang.org/x/tools dependency that fails to compile with Go 1.25. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Upgrade crd-ref-docs from v0.0.9 to v0.2.0 to fix build failure in CI. The v0.0.9 version has an incompatible golang.org/x/tools dependency that fails to compile with Go 1.25. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Run `make pre-merge` to regenerate CRD reference documentation and helm CRD templates with updated controller-gen v0.20.0 output. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Update golangci-lint from 1.64.5 to 2.8.0 in .tool-versions - Exclude QF* and ST* staticcheck rules in .golangci.yaml to maintain compatibility with existing code style (these are documentation/style suggestions, not errors) golangci-lint v1.x was built with Go 1.24 which cannot lint Go 1.25 code. v2.4.0+ supports Go 1.25. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
yonathan-shtekel
approved these changes
Jan 21, 2026
bnayah
approved these changes
Jan 26, 2026
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Summary
Breaking Changes Addressed
pkg/watches/enqueue_annotations.gofor controller-runtime v0.19 TypedEventHandler generics APIinternal/controller/dynamicenv_controller.gofor Go 1.25 vet strictness.golangci.yamlto v2 format for newer golangci-lintTest plan
make buildpassesgo test ./...passesgolangci-lint runpassesmake docker-buildpasses🤖 Generated with Claude Code