edge-18.10.1

This is an edge release of Linkerd! The latest stable release is stable-2.0.0.

To install this edge release, run: curl https://run.linkerd.io/install-edge | sh

• Web UI
  • Improved Tap and Top pages
    • Added clear button to query form
  • Improved Resource Detail pages
    • Limit number of resources shown in the graph
• Controller
  • CLI health check now uses unified endpoint for data plane checks
  • Include Licence files in all Docker images

Special thanks to @alenkacz for contributing to this release!

edge-18.9.3

This is an edge release of Linkerd! The latest stable release is stable-2.0.0.

To install this edge release, run: curl https://run.linkerd.io/install-edge | sh

• Web UI
  • Improved Resource Detail page
    • Better rendering of the dependency graph at the top of the page
    • Unmeshed sources are now populated in the Inbound traffic table
    • Sources and destinations are aligned in the popover
  • Improved Tap and Top pages
    • Additional validation and polish for the form controls
    • The top table clears older results when a new top call is started
    • The top table now aggregates by HTTP method as well
• CLI
  • New The namespace in which Linkerd is installed is configurable via the
    LINKERD_NAMESPACE env var, in addition to the --linkerd-namespace flag
  • New The wait time for the check and dashboard commands is
    configurable via the --wait flag
  • Improved The top command now aggregates by HTTP method as well

Special thanks to @rochacon, @fahrradflucht and @alenkacz for contributing to
this release!

stable-2.0.0

The inaugural GA release of Linkerd 2.0! See the blog post for details:

https://blog.linkerd.io/2018/09/18/announcing-linkerd-2-0/

edge-18.9.2

edge-18.9.2 is the first release of linkerd2 on the edge channel.

• New edge and stable release channels
• Web UI
  • Improved Tap & Top UIs with better layout and linking
• CLI
  • Improved check --pre command verifies the caller has sufficient
    permissions to install Linkerd
  • Improved check command verifies that Prometheus has data for proxied
    pods
• Proxy
  • Fix hyper crate dependency corrects HTTP/1.0 Keep-Alive behavior

v18.9.1

• Web UI
  • New Default landing page provides namespace overview with expandable
    sections
  • New Breadcrumb navigation at the top of the dashboard
  • Improved Tap and Top pages
    • Table rendering performance improvements via throttling
    • Tables now link to resource detail pages
    • Tap an entire namespace when no resource is specified
    • Tap websocket errors provide more descriptive text
    • Consolidated source and destination columns
  • Misc ui updates
    • Metrics tables now include a small success rate chart
    • Improved latency formatting for seconds latencies
    • Renamed upstream/downstream to inbound/outbound
    • Sidebar scrolls independently from main panel, scrollbars hidden when not
      needed
    • Removed social links from sidebar
• CLI
  • New linkerd check now validates Linkerd proxy versions and readiness
  • New linkerd inject now provides an injection status report, and warns
    when resources are not injectable
  • New linkerd top now has a --hide-sources flag, to hide the source
    column and collapse top results accordingly
• Control Plane
  • Updated Prometheus to v2.4.0, Grafana to 5.2.4

v18.8.4

• Web UI
  • Improved Tap and Top now have a better sampling rate
  • Fixed Missing sidebar headings now appear

v18.8.3

• Web UI
  • Improved Kubernetes resource navigation in the sidebar
  • Improved resource detail pages:
    • New live request view
    • New success rate graphs
• CLI
  • tap and top have been improved to sample up to 100 RPS
• Control plane
  • Injected proxy containers now have readiness and liveness probes enabled

Special thanks to @sourishkrout for contributing a web readability fix!

v18.8.2

• CLI
  • New linkerd top command has been added, displays live traffic stats
  • linkerd check has been updated with additional checks, now supports a --pre flag for running pre-install checks
  • linkerd check and linkerd dashboard now support a --wait flag that tells the CLI to wait for the control plane to become ready
  • linkerd tap now supports a --output flag to display output in a wide format that includes src and dst resources and namespaces
  • linkerd stat includes additional validation for command line inputs
  • All commands that talk to the Linkerd API now show better error messages when the control plane is unavailable
• Web UI
  • New individual resources can now be viewed on a resource detail page, which includes stats for the resource itself and its nearest neighbors
  • Experimental web-based Top interface accessible at /top, aggregates tap data in real time to display live traffic stats
  • The /tap page has multiple improvements, including displaying additional src/dst metadata, improved form controls, and better latency formatting
  • All resource tables have been updated to display meshed pod counts, as well as an icon linking to the resource's Grafana dashboard if it is meshed
  • The UI now shows more useful information when server errors are encountered
• Proxy
  • The h2 crate fixed a HTTP/2 window management bug
  • The rustls crate fixed a bug that could improperly fail TLS streams
• Control Plane
  • The tap server now hydrates metadata for both sources and destinations

v18.8.1

• Web UI
  • New Tap UI makes it possible to query & inspect requests from the browser!
• Proxy
  • New Automatic, transparent HTTP/2 multiplexing of HTTP/1 traffic
    reduces the cost of short-lived HTTP/1 connections
• Control Plane
  • Improved linkerd inject now supports injecting all resources in a folder
  • Fixed linkerd tap no longer crashes when there are many pods
  • New Prometheus now only scrapes proxies belonging to its own linkerd install
  • Fixed Prometheus metrics collection for clusters with >100 pods

Special thanks to @ihcsim for contributing the inject improvement!

v18.7.3

Linkerd2 v18.7.3 completes the rebranding from Conduit to Linkerd2, and improves
overall performance and stability.

• Proxy
  • Improved CPU utilization by ~20%
• Web UI
  • Experimental /tap page now supports additional filters
• Control Plane
  • Updated all k8s.io dependencies to 1.11.1