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ra-v3 branch / QQ v8 release notes#15696

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kjnilsson wants to merge 1 commit intomainfrom
ra-v3-release-notes
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ra-v3 branch / QQ v8 release notes#15696
kjnilsson wants to merge 1 commit intomainfrom
ra-v3-release-notes

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Pull request overview

Updates the RabbitMQ 4.3.0 release notes to document the Ra 3.0.0 upgrade and the quorum queue (rabbit_fifo v8) feature set, plus related Management UI and dependency notes.

Changes:

  • Fill in “Release Highlights” with Ra 3.0.0 + rabbit_fifo v8 feature summary.
  • Add detailed Core Server entries describing new quorum queue capabilities (priority, delayed retry, consumer timeouts, snapshots, memory optimisations, etc.).
  • Record the ra dependency upgrade in “Dependency Changes” and add a Management UI note.

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`rabbit_fifo` v8, a new version of the quorum queue state machine with several new features and optimisations:

* **Strict priority queues** with per-priority message counts, correct redelivery ordering, and priority-aware message expiration
* **Delayed retry** for quorum queues: configurable exponential backoff when messages are returned
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Copilot AI Mar 11, 2026

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The text says “configurable exponential backoff”, but the implementation calculates the delay as min(Min * DeliveryCount, Max) (linear in delivery count). Consider rewording this to “increasing/linear backoff” or updating the formula description to match the actual behavior.

Suggested change
* **Delayed retry** for quorum queues: configurable exponential backoff when messages are returned
* **Delayed retry** for quorum queues: configurable increasing backoff when messages are returned

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Pull request overview

Copilot reviewed 1 out of 1 changed files in this pull request and generated no new comments.


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@kjnilsson kjnilsson force-pushed the ra-v3-release-notes branch from 43cf874 to 1e4e125 Compare March 16, 2026 09:54
@kjnilsson kjnilsson marked this pull request as ready for review March 16, 2026 09:54
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