- Added DragonFly BSD support and upgraded build to Go 1.19.5 across executables and Docker images.
- Enhanced JetStream with highwayhash‑based snapshot diffing, lag tolerance, and multiple memory/snapshot optimizations.
- Fixed numerous JetStream bugs (container‑limit core updates, filtered state handling, consumer replica matching, deadlocks, filter/purge message delivery, etc.) and updated key dependencies.
Release v2.9.12
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Added Leafnodes support with a configurable dial timeout option for high‑latency links
Upgrade to Go 1.25.12 and bump critical dependencies (klauspost/compress v1.19.2, golang.org/x/crypto v0.55.0).
Decoupled Raft transport and increased disk concurrency (now configurable) with several JetStream performance and memory optimizations;