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| --- | ||
| title: "Release Notes - Apache RocketMQ - Version 4.3.0" | ||
| categories: | ||
| - Release_Notes | ||
| tags: | ||
| - Release_Notes | ||
| - RocketMQ | ||
| - Version | ||
| --- | ||
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| Below is a summary of the JIRA issues addressed in the 4.3.0 release of RocketMQ. For full documentation of the release, a guide to get started, please refer to <a href='/docs/quick-start/'>Quick Start</a>. | ||
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| <h2> Download the 4.3.0 release | ||
| </h2> | ||
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| * Source: [rocketmq-all-4.3.0-source-release.zip](https://www.apache.org/dyn/closer.cgi?path=rocketmq/4.3.0/rocketmq-all-4.3.0-source-release.zip) [[PGP](https://www.apache.org/dist/rocketmq/4.3.0/rocketmq-all-4.3.0-source-release.zip.asc)] [[MD5](https://www.apache.org/dist/rocketmq/4.3.0/rocketmq-all-4.3.0-source-release.zip.md5)] [[SHA1](https://www.apache.org/dist/rocketmq/4.3.0/rocketmq-all-4.3.0-source-release.zip.sha1)] | ||
| * Binary: [rocketmq-all-4.3.0-bin-release.zip](https://www.apache.org/dyn/closer.cgi?path=rocketmq/4.3.0/rocketmq-all-4.3.0-bin-release.zip) [[PGP](https://www.apache.org/dist/rocketmq/4.3.0/rocketmq-all-4.3.0-bin-release.zip.asc)] [[MD5](https://www.apache.org/dist/rocketmq/4.3.0/rocketmq-all-4.3.0-bin-release.zip.md5)] [[SHA1](https://www.apache.org/dist/rocketmq/4.3.0/rocketmq-all-4.3.0-bin-release.zip.sha1)] | ||
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| ## New Feature | ||
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| <ul> | ||
| <li>[<a href='https://issues.apache.org/jira/browse/ROCKETMQ-203'>ISSUE-203</a>] - Add support of IDC-aware allocator in the consumer | ||
| </li> | ||
| <li>[<a href='https://github.com/apache/rocketmq/issues/292'>ISSUE-292</a>] - Add support of transactional message | ||
| </li> | ||
| </ul> | ||
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| ## Improvement | ||
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| <ul> | ||
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| <li>[<a href='https://issues.apache.org/jira/browse/ROCKETMQ-184'>ISSUE-184</a>] - Optimize consuming performance when the master crashed out and only slave brokers are available | ||
| </li> | ||
| <li>[<a href='https://issues.apache.org/jira/projects/ROCKETMQ/issues/ROCKETMQ-308'>ISSUE-308</a>] - Increase socket buffer size of name-server to better fit network bandwidth | ||
| </li> | ||
| <li>[<a href='https://issues.apache.org/jira/browse/ROCKETMQ-311'>ISSUE-311</a>] - Add a fast failure mechanism for pulling message requests | ||
| </li> | ||
| <li>[<a href='https://issues.apache.org/jira/projects/ROCKETMQ/issues/ROCKETMQ-315'>ISSUE-315</a>] - Enhance tls mode config | ||
| </li> | ||
| <li>[<a href='https://github.com/apache/rocketmq/issues/314'>ISSUE-316</a>] - Use dedicated thread pool for heartbeat handler | ||
| </li> | ||
| <li>[<a href='https://issues.apache.org/jira/projects/ROCKETMQ/issues/ROCKETMQ-324'>ISSUE-324</a>] - Make async callback executor of the producer clients pluggable | ||
| </li> | ||
| <li>[<a href='https://github.com/apache/rocketmq/issues/325'>ISSUE-325</a>] - Enhance broker registration performance, and reduce memory footprint | ||
| </li> | ||
| <li>[<a href='https://issues.apache.org/jira/projects/ROCKETMQ/issues/ROCKETMQ-353'>ISSUE-353</a>] - Add send and consume message commands to mqadmin tool belt | ||
| </li> | ||
| <li>[<a href='https://github.com/apache/rocketmq/issues/367'>ISSUE-367</a>] - Refactor the logging component to support log4j, log4j2, and logback libraries | ||
| </li> | ||
| </ul> | ||
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| ## Bug | ||
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| <ul> | ||
| <li>[<a href='https://github.com/apache/rocketmq/issu/66'>ISSUE-66</a>] - Fix the issue that message body compressed multi times when resending a message. | ||
| </li> | ||
| <li>[<a href='https://github.com/apache/rocketmq/issues/260'>ISSUE-260</a>] - Fix the concurrency issue in StoreStatsService, to yield more accurate statistics. | ||
| </li> | ||
| <li>[<a href='https://github.com/apache/rocketmq/issues/276'>ISSUE-276</a>] - Fix the issue that the missing the state validation of pull message service before scheduling new pull request | ||
| </li> | ||
| <li>[<a href='https://issues.apache.org/jira/browse/ROCKETMQ-290'>ISSUE-290</a>] - Fix the memory leak issue in WaitNotifyObject#waitingThreadTable | ||
| </li> | ||
| <li>[<a href='https://issues.apache.org/jira/browse/ROCKETMQ-314'>ISSUE-314</a>] - Fix the issue that message queue size not synchonized when message processing timeout | ||
| </li> | ||
| <li>[<a href='https://github.com/apache/rocketmq/issues/321'>ISSUE-321</a>] - Fix the concurrency issue in RMQAsyncSendProducer unit test | ||
| </li> | ||
| <li>[<a href='https://issues.apache.org/jira/browse/ROCKETMQ-323'>ISSUE-323</a>] - Fix the issue that semaphore not released after async invocation callback finished | ||
| </li> | ||
| <li>[<a href='https://issues.apache.org/jira/browse/ROCKETMQ-332'>ISSUE-332</a>] - Fix the concurrency issue in MappedFileQueue#findMappedFileByOffset | ||
| </li> | ||
| <li>[<a href='https://issues.apache.org/jira/browse/ROCKETMQ-336'>ISSUE-336</a>] - Fix the wrong format of System.out.printf used in mqadmin | ||
| </li> | ||
| <li>[<a href='https://issues.apache.org/jira/browse/ROCKETMQ-355'>ISSUE-355</a>] - Fix the timeout semantic of async send method | ||
| </li> | ||
| </ul> | ||
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