**Authors: [Evan Anderson](https://twitter.com/e_k_anderson) (VMware), Paul Schweigert (IBM) **Date: 2022-07-12** # Announcing Knative 1.6 Release A new version of Knative is now available across multiple components. Follow the instructions in [Installing Knative](https://knative.dev/docs/install/) to install the components you require. This release brings a number of smaller improvements to the core Knative Serving and eventing components, and several improvements to specific plugins, in particular `net-kourier`, `net-gateway-api`, and `eventing-rabbitmq`. ## Table of Contents - [Serving](#serving) - [Eventing](#eventing) - [`kn` CLI](#client) - [Knative Operator](#operator) - [Networking Extensions](#networking-extensions) - [Kourier plugin](#kourier-plugin) - [Gateway-API plugin](#gateway-api-plugin) - [Eventing Extensions](#eventing-extensions) - [Apache Kafka Source](#apache-kafka-source) - [RabbitMQ Broker and Source](#rabbitmq-broker-and-source) - [Thank you contributors](#thank-you-contributors) ## Serving [(release notes)](https://github.com/knative/serving/releases/tag/knative-1.6) ### 💫 New Features & Changes * The `HTTPRedirect` feature is stable and the feature flag has been removed. This feature enabled use of the `networking.knative.dev/httpOption` annotation to configure HTTP -> HTTPS redirect on a per-service basis. [#13084](https://github.com/knative/serving/pull/13084) * The Serving API no longer rejects unknown fields, and instead relies on the kubernetes apiserver to prune (remove) those fields. [#13095](https://github.com/knative/serving/pull/13095), [#13111](https://github.com/knative/serving/pull/13111) ## Eventing [(release notes)](https://github.com/knative/eventing/releases/tag/knative-v1.6.0) ### 🐞 Bug Fixes * Parallel was creating invalid subscriptions in some cases. [#6405](https://github.com/knative/eventing/pull/6405) ## Client [(release notes)](https://github.com/knative/client/blob/main/CHANGELOG.adoc#TODO-CLI-CHANGELOG-ENTRY) ### 💫 New Features & Changes * Eventing support for the `--broker-config` flag has been added to `broker create` [#1700](https://github.com/knative/client/pull/1700) * Serving support for `--probe-*` flags have been added to manage service liveness and readiness [#1697](https://github.com/knative/client/pull/1697) * Serving support for mounting EmptyDir and PersistentVolumeClaims has been added [#1679](https://github.com/knative/client/pull/1679), [#1693](https://github.com/knative/client/pull/1693) ## Operator [(release notes)](https://github.com/knative/operator/releases/tag/knative-v1.6.0) ### 💫 New Features & Changes * The operator supports overriding the default broker class. [#1123](https://github.com/knative/operator/pull/1123) * Implement minAvailable in PodDisruptionBudget. [#1125](https://github.com/knative/operator/pull/1125) ### 🐞 Bug Fixes * The `v1alpha1` versions have been removed. [#1104](https://github.com/knative/operator/pull/1104) ## Networking Extensions ### kourier plugin #### 💫 New Features & Changes * Add a new experimental configuration parameter to separate internal traffic for different namespaces by TCP port. This should enable use of NetworkPolicy with Knative. [#852](https://github.com/knative-sandbox/net-kourier/pull/852) * Experimentally enable filtered secret watches when using AutoTLS. This should provide performance improvements in large clusters. [#862](https://github.com/knative-sandbox/net-kourier/pull/862) ### 🐞 Bug Fixes * Fix SNI when using `proxy_protocol`. [#869](https://github.com/knative-sandbox/net-kourier/pull/869) ### Gateway-API plugin #### 💫 New Features & Changes * Adds support for AutoTLS [#316](https://github.com/knative-sandbox/net-gateway-api/pull/316) ### 🐞 Bug Fixes * Network programming probes now respect the Service port of the gateway. [#310](https://github.com/knative-sandbox/net-gateway-api/pull/310) ## Eventing Extensions ### Apache Kafka Source #### 🐞 Bug Fixes * Deletion of KafkaSource resources now properly cleans up internal scheduling resources. [#1206](https://github.com/knative-sandbox/eventing-kafka/pull/1206) ### RabbitMQ Broker and Source #### Breaking Changes * Some deprecated fine-grained configuration options have been removed from RabbitMQSource. [#800](https://github.com/knative-sandbox/eventing-rabbitmq/pull/800) * RabbitMQSource now uses a RabbitCluster reference like the Broker. [#801](https://github.com/knative-sandbox/eventing-rabbitmq/pull/801) * RabbitMQSource parameters have been re-arranged into logical groups. [#810](https://github.com/knative-sandbox/eventing-rabbitmq/pull/810) #### 💫 New Features & Changes * Message pre-fetch is now automatically set to 100, increasing steady-state throughput. [#856](https://github.com/knative-sandbox/eventing-rabbitmq/pull/856) * Added the ability to configure queue types in RabbitmqBrokerConfig. [#808](https://github.com/knative-sandbox/eventing-rabbitmq/pull/803) * Support for RabbitMQ ClusterReference connection secrets. [#822](https://github.com/knative-sandbox/eventing-rabbitmq/pull/822) #### 🐞 Bug Fixes * Fixed a bug where RabbitMQSource objects with `retries` configured could crash when receiving an error from the event destination. [#831](https://github.com/knative-sandbox/eventing-rabbitmq/pull/831) ## Thank you, contributors #### Release Leads: - [@evankanderson](https://github.com/evankanderson) - [@psschwei](https://github.com/psschwei) #### Contributors: - [@aavarghese](https://github.com/aavarghese) - [@aliok](https://github.com/aliok) - [@carlisia](https://github.com/carlisia) - [@davidsalerno](https://github.com/davidsalerno) - [@dprotaso](https://github.com/dprotaso) - [@dsimansk](https://github.com/dsimansk) - [@evankanderson](https://github.com/evankanderson) - [@gab-satchi](https://github.com/gab-satchi) - [@gabo1208](https://github.com/gabo1208) - [@houshengbo](https://github.com/houshengbo) - [@ikvmw](https://github.com/ikvmw) - [@lionelvillard](https://github.com/lionelvillard) - [@mattmoor](https://github.com/mattmoor) - [@naderziada](https://github.com/naderziada) - [@nak3](https://github.com/nak3) - [@RamyChaabane](https://github.com/RamyChaabane) - [@skonto](https://github.com/skonto) - [@vyasgun](https://github.com/vyasgun) ## Learn more Knative is an open source project that anyone in the [community](https://knative.dev/docs/community/) can use, improve, and enjoy. We'd love you to join us! - [Knative docs](https://knative.dev/docs) - [Quickstart tutorial](https://knative.dev/docs/getting-started) - [Samples](https://knative.dev/docs/samples) - [Knative Working Groups](https://github.com/knative/community/blob/main/working-groups/WORKING-GROUPS.md) - [Knative User Mailing List](https://groups.google.com/forum/#!forum/knative-users) - [Knative Development Mailing List](https://groups.google.com/forum/#!forum/knative-dev) - Knative on Twitter [@KnativeProject](https://twitter.com/KnativeProject) - Knative on [StackOverflow](https://stackoverflow.com/questions/tagged/knative) - Knative [Slack](https://slack.knative.dev) - Knative on [YouTube](https://www.youtube.com/channel/UCq7cipu-A1UHOkZ9fls1N8A)