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- The new support for hierarchical topics allows you to subscribe to one or more topics based on their location in a hierarchy, such as subscribing to all child topics under a parent topic.
- If you need to improve performance, you can now use in-memory mode, so that messages are stored in memory instead of persisted in the message store.
- You can now subscribe to durable topics, which persist messages so that if a subscriber is not online, it can receive the messages later. A durable topic subscription is useful when an application needs to be able to receive messages that are published even when the application is inactive.
- You can now specify the maximum delivery attempts to restrict the number of times a message delivery is attempted. When a message is successfully delivered on a redelivery attempt, the new JMSRedelivered field is set to true in the message header, allowing the client to determine whether the message was delivered on its original attempt or on a redelivery attempt.
When browsing queues, you can now display the messages inside a queue, send a test message to a queue, and purge the messages in the queue.
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