specification: API Commons ChangeLog
specificationVersion: '0.1'
provider: Buoyant
providerId: buoyant
generated: '2026-09-04'
method: searched
source: https://docs.buoyant.io/release-notes/
docs: https://docs.buoyant.io/release-notes/
note: >-
  Buoyant publishes dated, per-version release notes for four separately versioned
  products: Buoyant Enterprise for Linkerd, the Buoyant Extension (Buoyant Cloud agent),
  the Linkerd Dashboard, and Buoyant Cloud itself. The open-source Linkerd project
  publishes its own releases at https://github.com/linkerd/linkerd2/releases. Only a
  recent window is captured here.
schemes:
  - product: Buoyant Enterprise for Linkerd
    scheme: semver-derived
    pattern: enterprise-<major>.<minor>.<patch>[-<hotpatch>]
    current: enterprise-2.20.2
    channel_url: https://docs.buoyant.io/release-notes/buoyant-enterprise-linkerd/
  - product: Buoyant Extension (linkerd-buoyant)
    scheme: semver
    pattern: v<major>.<minor>.<patch>
    current: v0.40.6
    channel_url: https://docs.buoyant.io/release-notes/buoyant-extension/
  - product: Linkerd Dashboard
    scheme: semver
    pattern: v<major>.<minor>.<patch>
    current: v0.11.1
    channel_url: https://docs.buoyant.io/release-notes/linkerd-dashboard/
  - product: Buoyant Cloud
    scheme: date
    pattern: YYYY-MM-DD
    channel_url: https://docs.buoyant.io/release-notes/buoyant-cloud/
  - product: Linkerd (open source, edge channel)
    scheme: calver
    pattern: edge-<yy>.<m>.<n>
    current: edge-26.9.1
    channel_url: https://github.com/linkerd/linkerd2/releases
entries:
  - version: edge-26.9.1
    product: Linkerd (open source)
    date: '2026-09-04'
    breaking: false
    url: https://github.com/linkerd/linkerd2/releases
    highlights:
      - Current open-source edge release; matching Helm charts published to helm.linkerd.io/edge the same day.
  - version: v0.40.6
    product: Buoyant Extension
    date: '2026-09-02'
    breaking: false
    url: https://docs.buoyant.io/release-notes/buoyant-extension/v0.40.6/
  - version: enterprise-2.20.2
    product: Buoyant Enterprise for Linkerd
    date: '2026-08-26'
    breaking: false
    url: https://docs.buoyant.io/release-notes/buoyant-enterprise-linkerd/enterprise-2.20.2/
    highlights:
      - Official support for Kubernetes 1.36 (minimum remains 1.31).
      - Gateway API v1.5.1 compatibility.
      - Fixed a HAZL bug that always sent a small amount of traffic cross-zone, causing connection churn and elevated proxy CPU.
    security:
      - Go runtime vulnerability patches GO-2026-6218, GO-2026-6091, GO-2026-6090, GO-2026-6089, GO-2026-6088, GO-2026-5972, GO-2026-5026.
      - Dependency updates for oras.land/oras-go/v2 (GHSA-fxhp-mv3v-67qp), klauspost/compress (GO-2026-5841), go.opentelemetry.io/otel (GO-2026-5158 / CVE-2026-41178).
  - version: enterprise-2.20.1
    product: Buoyant Enterprise for Linkerd
    url: https://docs.buoyant.io/release-notes/buoyant-enterprise-linkerd/enterprise-2.20.1/
  - version: enterprise-2.20.0
    product: Buoyant Enterprise for Linkerd
    date: '2026-06-23'
    breaking: true
    url: https://docs.buoyant.io/release-notes/buoyant-enterprise-linkerd/enterprise-2.20.0/
    highlights:
      - Automated mTLS trust anchor rotation via a new operator.
      - Alpha Windows VM support for mesh expansion outside Kubernetes.
      - Rate-limit-aware load balancing — circuit breaking now accounts for HTTP 429 responses.
      - Native sidecars promoted to GA and made the default deployment model.
      - Up to 84% reduction in destination controller memory usage.
    breaking_changes:
      - The standalone proxy-init image is merged into a single proxy image; remove proxyInit.image Helm values, --init-image CLI flags and related pod annotations.
      - Minimum Kubernetes 1.21+ and Gateway API 1.2.1+ required.
      - Native sidecars enabled by default.
    deprecations:
      - config.beta.linkerd.io/proxy-enable-native-sidecar is deprecated in favour of config.linkerd.io/proxy-enable-native-sidecar, and is to be removed in the next major Linkerd version.
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com