- Added JetStream capabilities: retrieve a stream's last message by subject, match on last expected sequence per subject, and support large numbers of R1 consumers per stream.
- Fixed JetStream bugs: enforced max consumers setting, resolved race condition when generating random service reply subjects, and addressed clustered stream sequence mismatch handling.
- Updated builds to Go 1.16.5 and silenced noisy error logs for normal store failures.
Release v2.3.1
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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;