第 2 章 Upgrading your broker
2.1. About upgrades
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Red Hat releases new versions of AMQ Broker to the Customer Portal. Update your brokers to the newest version to ensure that you have the latest enhancements and fixes. In general, Red Hat releases a new version of AMQ Broker in one of three ways:
- Major Release
- A major upgrade or migration is required when an application is transitioned from one major release to the next, for example, from AMQ Broker 6 to AMQ Broker 7. This type of upgrade is not addressed in this guide.
- Minor Release
- AMQ Broker periodically provides minor releases, which are updates that include new features, as well as bug and security fixes. If you plan to upgrade from one AMQ Broker minor release to another, for example, from AMQ Broker 7.0 to AMQ Broker 7.1, code changes should not be required for applications that do not use private, unsupported, or tech preview components.
- Micro Release
- AMQ Broker also periodically provides micro releases that contain minor enhancements and fixes. Micro releases increment the minor release version by the last digit, for example from 7.0.1 to 7.0.2. A micro release should not require code changes, however, some releases may require configuration changes.
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