Release 3.12.4

Release Date

v3.12.4 was released to the public on June 26, 2025.

This release is the latest 3.12.x LTS release. It introduces the following changes since version 3.12.3.

Issue Type	Description	ID
Enhancement	`duroslight`: Added the `wrlat_xmit` latency measure to time sent r2t. This is a useful metric because it comes after resource gating and QoS delays, but before the client/host sends its data.	LBM1-37206
Minor	`ansible`: The installer will no longer update system packages to the latest version, in order to prevent unexpected changes.	LBM1-37738
Minor	`duroslight`: Sanity check for rebuild/data recovery object data size. If the older software on the primary sends an illegal object, it can still be persisted without failing on assertion in `relocate_data()` or in `validate_object()`.	LBM1-38330

You can upgrade to this release from all previous Lightbits v3.9.x, v3.10.x, v3.11.x, and v3.12.x releases.

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