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conduit v18.12.1 Release Notes

  • 🚀 Upgrade notes: The control plane components have been renamed in this release ⬆️ to reduce possible naming collisions. To upgrade an existing installation:

    • Install new CLI: curl https://run.linkerd.io/install-edge | sh
    • Install new control plane: linkerd install | kubectl apply -f -
    • ✂ Remove old deploys/cms: kubectl -n linkerd get deploy,cm -oname | grep -v linkerd | xargs kubectl -n linkerd delete
    • Re-inject your applications: linkerd inject my-app.yml | kubectl apply -f -
    • ✂ Remove old services: kubectl -n linkerd get svc -oname | grep -v linkerd | xargs kubectl -n linkerd delete

    ⬆️ For more information, see the Upgrade Guide.

    • CLI
      • Improved linkerd routes command displays per-route stats for any resource!
      • New Service profiles are now supported for external authorities!
      • New linkerd routes --open-api flag generates a service profile based on an OpenAPI specification (swagger) file
    • 💻 Web UI
      • New Top routes page, served at /routes
      • New Route metrics are now available in the resource detail pages for services with configured profiles
      • New Service profiles can be created and downloaded from the Web UI
    • Controller
      • Improved Controller components are now prefixed with linkerd- to prevent name collisions with existing resources
      • New linkerd install --disable-h2-upgrade flag has been added to control automatic HTTP/2 upgrading
    • Proxy
      • Improved The proxy's tap subsystem has been reimplemented to be more efficient and and reliable
      • The proxy now supports route metadata in tap queries and events
      • Fixed A potential HTTP/2 window starvation bug has been fixed
      • Fixed Prometheus counters now wrap properly for values greater than 253 (thanks, @lucab!)