- - Updated to Go 1.20.8 and refreshed core dependencies (NATS JWT, crypto, sys).
- - Enhanced monitoring with CORS allow‑origin passthrough, corrected /healthz content‑type, connz idle‑time sorting, and added LDM shutdown event.
- - Fixed numerous JetStream and server issues: consumer scaling reliability, Raft leader auto step‑down, deadlocks, race conditions, stream/message accounting, R1 stream handling, and purge behavior.
Release v2.9.22
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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;