github knative/serving v0.17.2
Knative Serving release v0.17.2

latest releases: knative-v1.4.0, v0.31.0, knative-v1.2.5...
pre-release21 months ago


initialScale annotation to control the initial deployment size

There is a new annotation that can be used to control the number of pods that are initially deployed when new Revisions are rolled out.

net-contour and net-kourier have moved to Beta

In addition to net-istio, we now have three networking layers that we classify as (at least) Beta.

Kubernetes minimum version has NOT changed

It remains 1.16, but we may bump to 1.17 in the coming release depending on its availability for qualification testing (per our release principles).


Core API

  • Leader Election enabled by default (thanks @mattmoor)
    • By default control plane components now enable leader election, which can be disabled (for now) with --disable-ha.
  • New feature flags are now available - see config-features for details
  • Adopt a two-lane work queue for our controllers to prevent starvation during global re-syncs knative/pkg#1512 (thanks @vagababov)
  • Add config knob "max-value," which allows for setting a cluster-wide value for the max scale of any revision that doesn't have the "" annotation. #8951 (thanks @arturenault)
  • Adds a 60 second timeout for image digest resolution to guard against slow registries #8724 (thanks @julz)
  • Implemented new garbage collector that allows for either time-based or min/max count bounds for automatic deletion of old revisions. #8621 (thanks @whaught)
    • To enable this a new v2 Labeler populates RoutingState and RoutingStateModified annotations on Revisions
  • PodSpec DryRun also validates unparented (service-less) Configurations. #8828 (thanks @whaught)
  • Users can specify the size of the initial deployment with both cluster-wide flag initial-scale, and annotation "". Cluster-wide flag allow-zero-initial-scale controls whether the cluster-wide and revision initial scale can be zero. #8846, (thanks @taragu)
  • When enabled, the ResponsiveGC feature flag disables lastPinned annotation timestamp refreshes #8757 (thanks @whaught)
  • Added a workaround so Knative will work on AKS 1.17+ knative/pkg#1592 (thanks @n3wscott)
  • Webhooks now drain for longer when shutting down knative/pkg#1517 (thanks @mattmoor)


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