CHANGELOG and api documentation changes for v2.3.0-RC3 (#1083)

* CHANGELOG

* API changes

* Fix changelog

Author: milindl

CHANGELOG.md

@@ -5,16 +5,24 @@
 
 This is a feature release.
 
- * Add support for AdminAPI `DescribeCluster()` and `DescribeTopics()`
+ * Adds support for AdminAPI `DescribeCluster()` and `DescribeTopics()`
    (#964, @jainruchir).
  * [KIP-430](https://cwiki.apache.org/confluence/display/KAFKA/KIP-430+-+Return+Authorized+Operations+in+Describe+Responses):
    Return authorized operations in Describe Responses.
    (#964, @jainruchir).
- * Add `Rack` to the `Node` type, so AdminAPI calls can expose racks for brokers
+ * Adds `Rack` to the `Node` type, so AdminAPI calls can expose racks for brokers
    (currently, all Describe Responses) (#964, @jainruchir).
+ * [KIP-396](https://cwiki.apache.org/confluence/pages/viewpage.action?pageId=97551484): completed the implementation with
+   the addition of ListOffsets (#1029).
+ * Adds cache for Schema Registry client's `GetSchemaMetadata` (#1042).
  * MockCluster can now be shutdown and started again to test broker
    availability problems (#998, @kkoehler).
  * Adds `CreateTopic` method to the MockCluster. (#1047, @mimikwang).
+ * Honor `HTTPS_PROXY` environment variable, if set, for the Schema Registry
+   client (#1065, @finncolman).
+ * [KIP-516](https://cwiki.apache.org/confluence/display/KAFKA/KIP-516%3A+Topic+Identifiers):
+   Partial support of topic identifiers. Topic identifiers in metadata response
+   are available through the new `DescribeTopics` function (#1068).
 
 ## Fixes
 
@@ -23,19 +31,20 @@ This is a feature release.
  * The minimum version of Go supported has been changed from 1.16 to 1.17
    (#1074).
  * Fixes an issue where `testing` was being imported by a non-test file,
-   testhelpers.go. (@dmlambea, #1049).
- * Fix: `Coordinator` field in `ConsumerGroupDescription` is optional, in case
-   it's not known, and contains a `Node` with ID -1 if not known.
+   testhelpers.go. (#1049, @dmlambea).
+ * Fixes the optional `Coordinator` field in `ConsumerGroupDescription` in case
+   it's not known. It now contains a `Node` with ID -1 in that case.
    Avoids a C segmentation fault.
  * Fixes an issue with `Producer.Flush`. It was waiting for
    `queue.buffering.max.ms` while flushing (#1013).
+ * Fixes an issue where consumer methods would not be allowed to run while the
+   consumer was closing, and during the final partition revoke (#1073).
 
 confluent-kafka-go is based on librdkafka v2.3.0, see the
 [librdkafka v2.3.0 release notes](https://github.com/confluentinc/librdkafka/releases/tag/v2.3.0-RC3)
 for a complete list of changes, enhancements, fixes and upgrade considerations.
 
 
-
 # v2.2.0
 
 This is a feature release.