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Automaat merged 1 commit into from
Mar 3, 2026
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chore(deps): update docs from repo source #2635

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2 changes: 1 addition & 1 deletion app/assets/dev/raw/helm-values.yaml
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Expand Up @@ -771,7 +771,7 @@ kubectl:
# -- The kubectl image repository
repository: kubectl
# -- The kubectl image tag
tag: v1.35.1@sha256:c93e4fb811b3217ef69ee7a79a9a15fb277887cd1c3002fbe154e676037a274a
tag: v1.35.2@sha256:91d5a6b5c45cf4e0f95de3dda6a957725b5f4daa0193c63074aab7f4bd85eaee
hooks:
# -- Node selector for the HELM hooks
nodeSelector:
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12 changes: 12 additions & 0 deletions app/assets/raw/UPGRADE.md
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Expand Up @@ -8,6 +8,18 @@ does not have any particular instructions.

## Upgrade to `2.14.x`

### Observability: Prometheus metrics migration from Summary to Histogram

Internal Kuma Prometheus metrics changed from `Summary` to `Histogram` types to fix stale values that accumulated over long windows.

**What changed:**
- All metrics previously exported as `prometheus.Summary` or `prometheus.SummaryVec` are now `prometheus.Histogram` or `prometheus.HistogramVec`.
- Metrics that previously exposed quantiles (`0.5`, `0.9`, `0.99`) now use histogram buckets (`_bucket` with `le` labels).
- `DefaultObjectives` is replaced by `DefaultBuckets`.

**Action required:**
- Update any dashboards, alerts, or queries that use the old quantile representations to use histogram buckets and the `histogram_quantile` function.

### RBAC: Added `events.k8s.io` API group

The control plane ClusterRole and the namespaced Role used by the control plane for `events` now include the `events.k8s.io` API group alongside the core (`""`) API group for `events` resources. This aligns with the Kubernetes `events.k8s.io/v1` API which replaced the deprecated core `v1` Events API.
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