# Eventing Release Notes

###### tags: `Release Notes` `Eventing`

## Breaking Changes

- Default replication factor is 3 (1 previously) ([#375](https://github.com/knative-sandbox/eventing-kafka-broker/pull/375), [@sheetalsingala](https://github.com/sheetalsingala))

## Actions Required (pre-upgrade)

- Run `kubectl delete configmap -n knative-eventing kafka-broker-brokers-triggers`

## :gift: New Features

- `eventing-kafka.yaml` can be used to install Broker and KafkaSink. ([#367](https://github.com/knative-sandbox/eventing-kafka-broker/pull/367), [@pierDipi](https://github.com/pierDipi))
- Data plane pods expose server and client metrics in Prometheus format. ([#231](https://github.com/knative-sandbox/eventing-kafka-broker/pull/231) [#244](https://github.com/knative-sandbox/eventing-kafka-broker/pull/244), [@pierDipi](https://github.com/pierDipi))
- The receiver component exposes:
- `http_requests_produce_total` - Number of accepted produce requests (200-level responses)
- `http_requests_malformed_total` - Number of malformed produce requests (400-level responses)
- The dispatcher component exposes:
- `http_events_sent_total` - Number of events delivered to Apache Kafka
- The Broker retries sending events. ([#268](https://github.com/knative-sandbox/eventing-kafka-broker/pull/268) [#263](https://github.com/knative-sandbox/eventing-kafka-broker/pull/263) [#258](https://github.com/knative-sandbox/eventing-kafka-broker/pull/258), [@pierDipi](https://github.com/pierDipi))

## :gift: Improvements

- The container image's sizes are ~90MB instead of ~287MB. ([#265](https://github.com/knative-sandbox/eventing-kafka-broker/pull/265) [#306](https://github.com/knative-sandbox/eventing-kafka-broker/pull/306), [@pierDipi](https://github.com/pierDipi) [@slinkydeveloper](https://github.com/slinkydeveloper))
- Gracefully clean up resources on shutdown ([#334](https://github.com/knative-sandbox/eventing-kafka-broker/pull/334), [@pierDipi](https://github.com/pierDipi))

## :bug: Bug Fixes

- Remove config-logging volume from the controller ([#288](https://github.com/knative-sandbox/eventing-kafka-broker/pull/288), [@pierDipi](https://github.com/pierDipi))
- Thread blocked when logging large configurations in debug mode ([#346](https://github.com/knative-sandbox/eventing-kafka-broker/pull/346) [#378](https://github.com/knative-sandbox/eventing-kafka-broker/pull/378), [@slinkydeveloper](https://github.com/slinkydeveloper))

## :book: Documentation

- `KafkaSink` usage: https://gist.github.com/matzew/e2c2fcd2696a346f25b8bc9e64bfd0fa ([@matzew](https://github.com/matzew))