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href="#whats-changed" class="hash-link" aria-label="Direct link to What&#x27;s Changed" title="Direct link to What&#x27;s Changed"></a></h2><ul><li>add 0.8.0 changelog for repo by @wolfstudy in
<a href="https://github.com/apache/pulsar-client-go/pull/727" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/727</a></li><li>[Issue 729]<!-- -->stop ticker when create producer failed by @NaraLuwan in
<a href="https://github.com/apache/pulsar-client-go/pull/730" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/730</a></li><li>Update version file to 0.8.0 by @wolfstudy in
<a href="https://github.com/apache/pulsar-client-go/pull/728" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/728</a></li><li>[Issue 725][Dependencies]<!-- --> Upgrade beefsack/go-rate by @shubham1172 in
<a href="https://github.com/apache/pulsar-client-go/pull/735" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/735</a></li><li>Upgrade klauspost/compress to v1.14.4 by @dferstay in
<a href="https://github.com/apache/pulsar-client-go/pull/740" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/740</a></li><li>Upgrade prometheus client to 1.11.1 by @nicoloboschi in
<a href="https://github.com/apache/pulsar-client-go/pull/738" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/738</a></li><li>add 0.8.1 changelog by @freeznet in <a href="https://github.com/apache/pulsar-" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-</a>
client-go/pull/742</li><li>Temporarily point ci to pulsar 2.8.2 by @Shoothzj in
<a href="https://github.com/apache/pulsar-client-go/pull/747" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/747</a></li><li>[build]<!-- --> make go version consistent by @Shoothzj in
<a href="https://github.com/apache/pulsar-client-go/pull/751" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/751</a></li><li>Exposing broker metadata by @Shoothzj in <a href="https://github.com/apache/pulsar-" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-</a>
client-go/pull/745</li><li>Add schema support to Reader by @ZiyaoWei in
<a href="https://github.com/apache/pulsar-client-go/pull/741" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/741</a></li><li>allow config reader subscription name by @Shoothzj in
<a href="https://github.com/apache/pulsar-client-go/pull/754" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/754</a></li><li>Cleanup topics after unit tests by @ZiyaoWei in
<a href="https://github.com/apache/pulsar-client-go/pull/755" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/755</a></li><li>Add TableView support by @ZiyaoWei in <a href="https://github.com/apache/pulsar-" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-</a>
client-go/pull/743</li><li>Fix ack timeout cause reconnect by @wolfstudy in
<a href="https://github.com/apache/pulsar-client-go/pull/756" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/756</a></li><li>fix: add service not ready check by @nodece in
<a href="https://github.com/apache/pulsar-client-go/pull/757" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/757</a></li><li>Dlq producer on topic with schema by @GPrabhudas in
<a href="https://github.com/apache/pulsar-client-go/pull/723" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/723</a></li><li>fix annotation typo in consumer.go by @Shoothzj in
<a href="https://github.com/apache/pulsar-client-go/pull/758" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/758</a></li><li>Fix producer unable register when cnx closed by @wolfstudy in
<a href="https://github.com/apache/pulsar-client-go/pull/761" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/761</a></li><li>Add -c/--max-connections parameter to pulsar-perf-go and set it to 1 by default
by @lhotari in <a href="https://github.com/apache/pulsar-client-go/pull/765" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/765</a></li><li>[Issue 763][producer]<!-- --> Fix deadlock in Producer Send when message fails to
encode. by @samuelhewitt in <a href="https://github.com/apache/pulsar-client-" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-</a>
go/pull/762</li><li>[Issue 749]<!-- -->Fix panic caused by flushing current batch with an incorrect
internal function. by @shileiyu in <a href="https://github.com/apache/pulsar-client-" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-</a>
go/pull/750</li><li>Add consumer state check when request commands by @wolfstudy in
<a href="https://github.com/apache/pulsar-client-go/pull/772" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/772</a></li><li>Fix sequenceID is not equal to cause the connection to be closed
incorrectly by @wolfstudy in <a href="https://github.com/apache/pulsar-client-" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-</a>
go/pull/774</li><li>Add error response for Ack func by @wolfstudy in
<a href="https://github.com/apache/pulsar-client-go/pull/775" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/775</a></li><li>Revert &quot;Fix stuck when reconnect broker (#703)&quot; by @lhotari in
<a href="https://github.com/apache/pulsar-client-go/pull/767" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/767</a></li><li>[Issue 718]<!-- --> Fix nil pointer dereference in TopicNameWithoutPartitionPart
by @hantmac in <a href="https://github.com/apache/pulsar-client-go/pull/734" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/734</a></li><li>Support ack response for Go SDK by @wolfstudy in
<a href="https://github.com/apache/pulsar-client-go/pull/776" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/776</a></li><li>[Issue 779]<!-- -->Fix ack request not set requestId when enable AckWithResponse
option by @liushengzhong0927 in <a href="https://github.com/apache/pulsar-client-" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-</a>
go/pull/780</li><li>[issue 791]<!-- --> allow to add at least one message on batch builder by
@zzzming in <a href="https://github.com/apache/pulsar-client-go/pull/792" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/792</a></li><li>schema creation and validation functions without panicing by @zzzming in
<a href="https://github.com/apache/pulsar-client-go/pull/794" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/794</a></li><li>[github ci]<!-- --> add go 1.18 to the test matrix by @pgier in
<a href="https://github.com/apache/pulsar-client-go/pull/790" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/790</a></li><li>Fix using closed connection in consumer by @hrsakai in
<a href="https://github.com/apache/pulsar-client-go/pull/785" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/785</a></li><li>feat: add basic authentication by @nodece in
<a href="https://github.com/apache/pulsar-client-go/pull/778" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/778</a></li><li>[Issue 781][add consumer seek by time on partitioned topic]<!-- --> by
@GPrabhudas in <a href="https://github.com/apache/pulsar-client-go/pull/782" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/782</a></li><li>[ci]<!-- --> update and simplify GitHub workflow by @pgier in
<a href="https://github.com/apache/pulsar-client-go/pull/796" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/796</a></li><li>feat: support multiple schema version for producer and consumer by @oryx2
in <a href="https://github.com/apache/pulsar-client-go/pull/611" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/611</a></li><li>[issue #752]<!-- --> replace go-rate rate limiter with a buffered channel
implementation by @zzzming in <a href="https://github.com/apache/pulsar-client-" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-</a>
go/pull/799</li><li>[issue 814]<!-- --> consumer and producer reconnect failure metrics counter by
@zzzming in <a href="https://github.com/apache/pulsar-client-go/pull/815" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/815</a></li><li>[cleanup]<!-- --> Fix to follow lint error (File is not goimports -ed
(goimports)) by @equanz in <a href="https://github.com/apache/pulsar-client-go/pull/824" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/824</a></li><li>[oauth2]<!-- --> Remove oauth2 go.mod and go.sum by @pgier in
<a href="https://github.com/apache/pulsar-client-go/pull/802" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/802</a></li><li>[client]<!-- --> Rename test_helper.go to follow the test code naming
convention by @equanz in <a href="https://github.com/apache/pulsar-client-go/pull/822" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/822</a></li><li>[security]<!-- --> Bump github.com/stretchr/testify to update gopkg.in/yaml.v3 by
@massakam in <a href="https://github.com/apache/pulsar-client-go/pull/813" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/813</a></li><li>[client]<!-- --> Add MetricsRegisterer to ClientOptions by @pragkent in
<a href="https://github.com/apache/pulsar-client-go/pull/826" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/826</a></li><li>NackBackoffPolicy.Next return time.Duration by @h-hy in
<a href="https://github.com/apache/pulsar-client-go/pull/825" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/825</a></li><li>Add golang 1.19 in test matrix by @Shoothzj in
<a href="https://github.com/apache/pulsar-client-go/pull/832" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/832</a></li><li>ci: add makefile by @pgier in <a href="https://github.com/apache/pulsar-client-" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-</a>
go/pull/800</li><li>Make keepalive interval configurable by @nodece in
<a href="https://github.com/apache/pulsar-client-go/pull/838" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/838</a></li><li>[issue #807]<!-- --> dlq topic producer options by @zzzming in
<a href="https://github.com/apache/pulsar-client-go/pull/809" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/809</a></li><li>[log-format]<!-- --> remove redundant &quot;[]&quot; pair in the head and tail of log
content by @shenqianjin in <a href="https://github.com/apache/pulsar-client-go/pull/831" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/831</a></li><li>Update proto file latest by @liangyuanpeng in
<a href="https://github.com/apache/pulsar-client-go/pull/841" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/841</a></li><li>[bugfix]<!-- --> Fix wrong check eventime by default by @liangyuanpeng in
<a href="https://github.com/apache/pulsar-client-go/pull/843" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/843</a></li><li>Fixs : NackBackoffPolicy.Next return time.Duration by @h-hy in
<a href="https://github.com/apache/pulsar-client-go/pull/834" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/834</a></li><li>Introduce doneCh for ack error by @wolfstudy in
<a href="https://github.com/apache/pulsar-client-go/pull/777" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/777</a></li><li>Parameterize the reconnection option by @wolfstudy in
<a href="https://github.com/apache/pulsar-client-go/pull/853" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/853</a></li><li>add 0.9.0 release changelog by @freeznet in
<a href="https://github.com/apache/pulsar-client-go/pull/804" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/804</a></li><li>Embed Go SDK version to 0.9.0 by @wolfstudy in
<a href="https://github.com/apache/pulsar-client-go/pull/854" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/854</a></li></ul><h2 class="anchor anchorWithStickyNavbar_LWe7" id="new-contributors">New Contributors<a href="#new-contributors" class="hash-link" aria-label="Direct link to New Contributors" title="Direct link to New Contributors"></a></h2><ul><li>@NaraLuwan made their first contribution in
<a href="https://github.com/apache/pulsar-client-go/pull/730" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/730</a></li><li>@shubham1172 made their first contribution in
<a href="https://github.com/apache/pulsar-client-go/pull/735" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/735</a></li><li>@nicoloboschi made their first contribution in
<a href="https://github.com/apache/pulsar-client-go/pull/738" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/738</a></li><li>@ZiyaoWei made their first contribution in
<a href="https://github.com/apache/pulsar-client-go/pull/741" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/741</a></li><li>@lhotari made their first contribution in
<a href="https://github.com/apache/pulsar-client-go/pull/765" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/765</a></li><li>@samuelhewitt made their first contribution in
<a href="https://github.com/apache/pulsar-client-go/pull/762" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/762</a></li><li>@shileiyu made their first contribution in
<a href="https://github.com/apache/pulsar-client-go/pull/750" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/750</a></li><li>@hantmac made their first contribution in
<a href="https://github.com/apache/pulsar-client-go/pull/734" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/734</a></li><li>@liushengzhong0927 made their first contribution in
<a href="https://github.com/apache/pulsar-client-go/pull/780" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/780</a></li><li>@oryx2 made their first contribution in <a href="https://github.com/apache/pulsar-" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-</a>
client-go/pull/611</li><li>@massakam made their first contribution in
<a href="https://github.com/apache/pulsar-client-go/pull/813" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/813</a></li><li>@pragkent made their first contribution in
<a href="https://github.com/apache/pulsar-client-go/pull/826" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/826</a></li><li>@h-hy made their first contribution in <a href="https://github.com/apache/pulsar-" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-</a>
client-go/pull/825</li><li>@shenqianjin made their first contribution in
<a href="https://github.com/apache/pulsar-client-go/pull/831" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/pull/831</a></li></ul><p>Full Changelog: <a href="https://github.com/apache/pulsar-client-go/compare/v0.8.0...v0.9.0" target="_blank" rel="noopener noreferrer">https://github.com/apache/pulsar-client-go/compare/v0.8.0...v0.9.0</a></p></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/apache/pulsar-site/edit/main/release-notes/versioned/pulsar-client-go-0.9.0.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 3.9q0.5 0.4 0.5 1.1t-0.5 1.2z m-29.5 17.1l18.4-18.5 6.3 6.3-18.4 18.4h-6.3v-6.2z"></path></g></svg>Edit this page</a></div><div class="col 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