v0.23 release

Published on: 2021-06-08 , Revised on: 2023-08-03

Announcing Knative v0.23 Release¶

A new version of Knative is now available across multiple components. Follow the instructions in the documentation Installing Knative for the respective component.

Table of Contents¶

Serving v0.23
Eventing v0.23
Eventing Extensions
- Apache Kafka Broker v0.23
- RabbitMQ Eventing v0.23
kn CLI v0.23
Operator v0.23
Thank you contributors

Highlights¶

Serving improves support for Istio when using Mesh to access the user container directly
Eventing removes old API version only leaving v1 as the one available
The kn CLI and Operator keeps crushing bugs in this release.

Serving v0.23¶

🚨 Breaking or Notable Changes¶

Change the default post-install job to use sslip.io rather than xip.io. #11298

💫 New Features & Changes¶

The stats scraping in the autoscaler is now sensitive to the EnableMeshPodAddressability setting. A restart of the autoscaler is required for the setting to take effect if changed. #11161
The state keeping in the activator is now sensitive to the EnableMeshPodAddressability setting. A restart of the activator is required for the setting to take effect if changed. #11172
Tightens the heuristic for mesh being enabled in the service scraper. We now expect all errors to be related to mesh (i.e. 503 status code). This prevents accidentally falling in to service scrape mode when errors are encountered for other reasons. #11174

🐞 Bug Fixes¶

Added schemas to all CRDs. #11244
Changed the rollout behavior of application deployment changes (due to Knative upgrade for example) to never have less ready posd than required. #11140
Rate limits digest resolution (10 QPS, retry back-off 1s to 1000s) to prevent exceeding quota at remote registries #11279
Revision replicas now shut down 15 seconds faster. #11249
The activator proxy now recognizes the EnableMeshPodAddressability setting. #11162
Update the User-Agent used during tag resolution #10590

Eventing v0.23¶

🚨 Breaking or Notable Changes¶

Remove {eventing,flows,messaging} v1beta1 APIs #5201
Promote PingSource to v1 #5324
Remove APIServerSource, ContainerSource, PingSource and SinkBinding v1alpha2 APIs #5318
Remove APIServerSource, ContainerSource, PingSource and SinkBinding v1beta1 APIs #5319
Remove APIServerSource and SinkBinding v1alpha1 APIs #5317

💫 New Features & Changes¶

InMemoryChannel can now be used independently of Knative Eventing, and can be installed by applying the in-memory-channel.yaml. #5355
Multi-tenant, channel-based brokers now have improved filter performance for Triggers with few or no filters. #5288

🐞 Bug Fixes¶

duckv1.SourceSpec, TimeZone, Schedule will be populated when called by v1beta1/v1alpha2 clients #5153
The Trigger delivery spec is now automatically propagated to Subscriptions that are connected to multi-tenant, channel-based Brokers. #5267

🧹 Clean up¶

Tools from the eventing-contrib repository have now been moved to the eventing repository. #5295
Sequence now displays conditions as Unknown rather than False for non-terminal condition states. #5369
Running validation for event ingress on multi-tenant broker #5275

Eventing Extensions¶

Apache Kafka Broker v0.23¶

💫 New Features & Changes¶

In Kafka Broker, now the Kafka producer will wait for all ISR replicas ack. #824
In Kafka Sink, now the Kafka producer will wait for all ISR replicas ack. #827

🐞 Bug Fixes¶

Fix out of bounds in unordered offset manager. #814
Accept "PLAIN" as a valid sasl.mechanism secret value. #855,#840

RabbitMQ Eventing v0.23¶

🚨 Breaking or Notable Changes¶

requires messaging-topology-operator version v0.8.0 to be installed as well as cluster-operator version v1.6.0

🐞 Bug Fixes¶

Conformance tests for Broker now work
If a Broker / Trigger is deleted but there's no secret to talk to the rabbit cluster, we now remove the resources and log that rabbitmq resources might have been leaked. This happens only when not using the Rabbit Cluster Operator. This left undeletable resources, so this change seems more user friendly. #271

Client v0.23¶

💫 New Features & Changes¶

Update Eventing Sources APIServerSource, ContainerSource, SinkBinding API to v1. #1299
Update Eventing Source PingSource API to v1beta2. #1299
Add number of instances to describe command. #1289

🐞 Bug Fixes¶

Fix for serviceaccounts "default" not found flaky issue. #1312
Fix number of instances *int32 type in describe commands. #1312
Use fully qualified test images. #1307
Fix documentation of the configuration options. #1297
Respect -o in list commands in case if no data present. #1276

Operator v0.23¶

🐞 Bug Fixes¶

Apply high availability settings to kourier as well. #579
Clear OwnerReferences on knative-local-gateway Service. #567
Set the namespace of the service knative-local-gateway to the istio namespace. #590
Add pingsource-mt-adapter into HA list. #591
Return an actual newest version of the directory latest is not available. #576
Allow for all Ingresses to be disabled. #571

🧹 Clean up¶

Simplify Istio installation for end-to-end test. #564
Use he Kourier deployment namespace to determine Kourier's gateway namespace. #577
Updated the Knative Serving upgrade tests script. #574

Thank you contributors¶

Learn more¶

Knative is an open source project that anyone in the community can use, improve, and enjoy. We'd love you to join us!