Update 0.4.0 changelog file (#463)
Signed-off-by: xiaolongran <rxl@apache.org>
Update 0.4.0 changelog file
diff --git a/CHANGELOG.md b/CHANGELOG.md
index 025fe85..99eae68 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,45 @@
All notable changes to this project will be documented in this file.
+[0.4.0] 2021-02-09
+
+## Feature
+
+* Support send timeout in Producer side, see [PR-394](https://github.com/apache/pulsar-client-go/pull/394).
+* Add metric for internal publish latency, see [PR-397](https://github.com/apache/pulsar-client-go/pull/397).
+* Add key_based Batch logic, see [PR-363](https://github.com/apache/pulsar-client-go/pull/400).
+* Add error label to publish errors metric, see [PR-405](https://github.com/apache/pulsar-client-go/pull/405).
+* Add const client label to metrics, see [PR-406](https://github.com/apache/pulsar-client-go/pull/406).
+* Attach topic and custom labels to Prometheus metrics, see [PR-410](https://github.com/apache/pulsar-client-go/pull/410).
+* Add orderingKey apis, see [PR-427](https://github.com/apache/pulsar-client-go/pull/427).
+* Support jwt and trusted cert for pulsar perf client, see [PR-427](https://github.com/apache/pulsar-client-go/pull/428).
+
+
+## Improve
+
+* Fix bot action CI yaml file, see [PR-395](https://github.com/apache/pulsar-client-go/pull/395).
+* Update go-keyring to v1.1.6 to remove warnings on MacOS Catalina+ , see [PR-404](https://github.com/apache/pulsar-client-go/pull/404).
+* Read the clock fewer times during message routing, see [PR-372](https://github.com/apache/pulsar-client-go/pull/408).
+* Close dangling autoDiscovery goroutine in consumer, see [PR-411](https://github.com/apache/pulsar-client-go/pull/411).
+* Fix discard unacked messages, see [PR-413](https://github.com/apache/pulsar-client-go/pull/413).
+* Fixed logic to attempt reconnections to same broker, see [PR-414](https://github.com/apache/pulsar-client-go/pull/414).
+* Reduce the default TCP connection timeout from 30 to 5 seconds, see [PR-415](https://github.com/apache/pulsar-client-go/pull/415).
+* Removed unused `import "C"` statement, see [PR-416](https://github.com/apache/pulsar-client-go/pull/416).
+* Renamed `Metrics.RpcRequestCount` to `RPCRequestCount` to conform to style check, see [PR-417](https://github.com/apache/pulsar-client-go/pull/417).
+* Fix leaked nack tracker goroutine, see [PR-418](https://github.com/apache/pulsar-client-go/pull/418).
+* Clearing message queues after seek requests, see [PR-419](https://github.com/apache/pulsar-client-go/pull/419).
+* Fix retry policy not effective with partitioned topic, see [PR-425](https://github.com/apache/pulsar-client-go/pull/425).
+* Deduplicate user provided topics before using them, see [PR-426](https://github.com/apache/pulsar-client-go/pull/426).
+* The `reader.HasNext()` returns true on empty topic, see [PR-441](https://github.com/apache/pulsar-client-go/pull/441).
+* Upgrade `gogo/protobuf` to 1.3.2, see [PR-446](https://github.com/apache/pulsar-client-go/pull/446).
+* Fix `logrusWrapper` shrink interfaces slice into an interface, see [PR-449](https://github.com/apache/pulsar-client-go/pull/449).
+* Logging what really caused lookup failure, see [PR-450](https://github.com/apache/pulsar-client-go/pull/450).
+* Make state thread safe in consumer_partition and connection, see [PR-451](https://github.com/apache/pulsar-client-go/pull/451).
+* Fix `KeyFileTypeServiceAccount` not found compile error, see [PR-455](https://github.com/apache/pulsar-client-go/pull/455).
+* Fix unsubscribe blocked when consumer is closing or has closed, see [PR-457](https://github.com/apache/pulsar-client-go/pull/457).
+* The asynchronized send timeout checking without pending queue lock, see [PR-460](https://github.com/apache/pulsar-client-go/pull/460).
+
+
[0.3.0] 2020-11-11
## Feature
