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4.1.0 release notes: QQ parallelism improvements is a release highlight

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Michael Klishin 2025-04-01 22:36:57 -04:00
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@ -9,6 +9,14 @@ See Compatibility Notes below to learn about **breaking or potentially breaking
Some key improvements in this release are listed below. Some key improvements in this release are listed below.
### Quorum Queue Throughput and Parallelism Improvements
Quorum queue log reads are now offloaded to channels (sessions, connections).
In practical terms this means improved consumer throughput, lower interference of publishers
on queue delivery rate to consumers, and improved CPU core utilization by each quorum queue
(assuming there are enough cores available to the node).
### Initial Support for AMQP 1.0 Filter Expressions ### Initial Support for AMQP 1.0 Filter Expressions
Support for the `properties` and `appliation-properties` filters of [AMQP Filter Expressions Version 1.0 Working Draft 09](https://groups.oasis-open.org/higherlogic/ws/public/document?document_id=66227). Support for the `properties` and `appliation-properties` filters of [AMQP Filter Expressions Version 1.0 Working Draft 09](https://groups.oasis-open.org/higherlogic/ws/public/document?document_id=66227).