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Changelog History
Page 10

  • v20.11.2 Changes

    November 12, 2020

    edge-20.11.2

    🚀 This edge release reduces memory consumption of Linkerd proxies which maintain
    🚚 many idle connections (such as Prometheus). It also removes some obsolete
    commands from the CLI and allows setting custom annotations on multicluster
    gateways.

    • ⬇️ Reduced the default idle connection timeout to 5s for outbound clients and
      🖨 20s for inbound clients to reduce the proxy's memory footprint, especially on
      Prometheus instances
    • ➕ Added support for setting annotations on the multicluster gateway in Helm
      which allows setting the load balancer as internal (thanks @shaikatz!)
    • ✂ Removed the get and logs command from the CLI

  • v20.11.1 Changes

    November 03, 2020

    edge-20.11.1

    🚀 This edge supersedes edge-20.10.6 as a release candidate for stable-2.9.0.

    • 🛠 Fixed issue where the check command would error when there is no Prometheus
      🔧 configured
    • 🛠 Fixed recent regression that caused multicluster on EKS to not work properly
    • 🔄 Changed the check command to warn instead of error when webhook certificates
      are near expiry
    • ➕ Added the --ingress flag to the inject command which adds the recently
      introduced linkerd.io/inject: ingress annotation
    • 🛠 Fixed issue with upgrades where external certs would be fetched and stored
      even though this does not happen on fresh installs with externally created
      certs
    • 🛠 Fixed issue with upgrades where the issuer cert expiration was being reset
    • ✂ Removed the --registry flag from the multicluster install command
    • ✂ Removed default CPU limits for the proxy and control plane components in HA
      mode

  • v20.10.6 Changes

    October 27, 2020

    edge-20.10.6

    🚀 This edge supersedes edge-20.10.5 as a release candidate for stable-2.9.0. It
    ➕ adds a new linkerd.io/inject: ingress annotation to support service profiles
    and enable per-route metrics and traffic splits for HTTP ingress controllers

    • ➕ Added a new linkerd.io/inject: ingress annotation to configure the
      👍 proxy to support service profiles and enable per-route metrics and traffic
      splits for HTTP ingress controllers
    • 🐎 Reduced performance impact of logging in the proxy, especially when the
      🌲 debug or trace log levels are disabled
    • 🛠 Fixed spurious warnings logged by the linkerd profile CLI command

  • v20.10.5 Changes

    October 23, 2020

    edge-20.10.5

    🚀 This edge supersedes edge-20.10.4 as a release candidate for stable-2.9.0. It
    ➕ adds a fix for updating the destination service when there are no endpoints

    • ➕ Added a fix to clear the EndpointTranslator state when it gets a
      NoEndpoints message. This ensures that the clients get the correct set of
      ⚡️ endpoints during an update.

  • v20.10.4 Changes

    October 23, 2020

    edge-20.10.4

    🚀 This edge release is a release candidate for stable-2.9.0. For the proxy, there
    🐎 have been changes to improve performance, remove unused code, and configure
    🚀 ports that can be ignored by default. Also, this edge release adds enhancements
    🌐 to the multicluster configuration and observability, adds more translations to
    the dashboard, and addresses a bug in the CLI.

    • ➕ Added more Spanish translations to the dashboard and more labels that can be
      translated
    • ➕ Added support for creating multiple service accounts when installing
      multicluster with Helm to allow more granular revocation
    • 📇 Renamed global.proxy.destinationGetNetworks to global.clusterNetworks.
      This is a cluster-wide setting and can no longer be overridden per-pod
    • 🛠 Fixed an empty multicluster Grafana graph which used a deprecated label
    • ➕ Added the control plane tracing ServiceAccounts to the linkerd-psp
      RoleBinding so that it can be used in environments where PodSecurityPolicy
      is enabled
    • ✨ Enhanced EKS support by adding 100.64.0.0/10 to the set of discoverable
      networks
    • 🛠 Fixed a bug in the way that the --all-namespaces flag is handled by the
      linkerd edges command
    • ➕ Added a default set of ports to bypass the proxy for server-first, https,
      and memcached traffic

  • v20.10.3 Changes

    October 15, 2020

    edge-20.10.3

    🚀 This edge release is a release candidate for stable-2.9.0. It overhauls the
    discovery and routing logic implemented by the proxy, simplifies the way that
    🔗 Linkerd stores configuration, and adds new Helm values to configure additional
    labels, annotations, and namespace selectors for webhooks.

    • ➕ Added podLabels and podAnnotations Helm values to allow adding additional
      labels or annotations to Linkerd control plane pods (thanks @tustvold!)
    • ➕ Added namespaceSelector Helm value for configuring the namespace selector
      👉 used by admission webhooks (thanks @tustvold!)
    • Expanded the 'linkerd edges' command to show TCP connections
    • Overhauled the discovery and routing logic implemented by the proxy:
      • The l5d-dst-override header is no longer honored
      • When the application attempts to connect to a pod IP, the proxy no
        longer load balances these requests among all pods in the service.
        The proxy will now honor session-stickiness as selected by an
        application-level load balancer
      • TrafficSplits are only applied when a client targets a service's IP
      • The proxy no longer performs DNS "canonicalization" to translate
        relative host header names to a fully-qualified form
    • 🔧 Simplified the way that Linkerd stores its configuration. Configuration is
      now stored as Helm values in the linkerd-config ConfigMap
    • 📇 Renamed the --addon-config flag to --config to clarify this flag can be used
      to set any Helm value

  • v20.10.2 Changes

    October 08, 2020

    edge-20.10.2

    🚀 This edge release adds more improvements for mTLS for all TCP traffic.
    It also includes significant internal improvements to the way Linkerd
    🔧 configuration is stored within the cluster.

    • 🔄 Changed TCP metrics exported by the proxy to ensure that peer
      identities are encoded via the client_id and server_id labels.
    • ✂ Removed the dependency of control plane components on linkerd-config
    • ⚡️ Updated the data structure proxy-injector uses to derive the configuration
      👉 used when injecting workloads

  • v20.10.1 Changes

    October 02, 2020

    edge-20.10.1

    🚀 This edge release includes a couple of external contributions towards
    👌 improved cert-manager support and Grafana charts fixes, among other
    ✨ enhancements.

    • 🔄 Changed the type of the injector and tap API secrets to kubernetes.io/tls,
      so they can be provisioned by cert-manager (thanks @cypherfox!)
    • 🛠 Fixed the "Kubernetes cluster monitoring" Grafana dashboard that had a few
      charts with incomplete data (thanks @aimbot31!)
    • 🛠 Fixed the service-mirror multicluster component so that it retries
      connections to the target cluster's Kubernetes API when it's not reachable,
      instead of blocking
    • 0️⃣ Increased the proxy's default timeout for DNS resolution to 500ms, as there
      were reports that 100ms was too restrictive

  • v20.9.4 Changes

    September 25, 2020

    edge-20.9.4

    🚀 This edge release introduces support for authenticated docker registries and
    🛠 fixes a recent multicluster regression.

    • 🛠 Fixed a regression in multicluster gateway configurations that would forbid
      inbound gateway traffic
    • ⬆️ Upgraded bundled Grafana to v7.1.5
    • 🔧 Enabled Jaeger receiver in collector configuration in Helm chart (thanks
      @olivierboudet!)
    • 🛠 Fixed skip port configuration being skipped in CNI plugin
    • 🐳 Introduced support for authenticated docker registries (thanks @c-n-c!)

  • v20.9.3 Changes

    September 17, 2020

    edge-20.9.3

    🚀 This edge release includes fixes and updates for the control plane and CLI.

    • ➕ Added --dest-cni-bin-dir flag to the linkerd install-cni command, to
      🔧 configure the directory on the host where the CNI binary will be placed
    • ✂ Removed collector.name and jaeger.name config fields from the tracing
      ➕ addon
    • ⚡️ Updated Jaeger to 1.19.2
    • 🛠 Fixed a warning about deprecated Go packages in controller container logs