- Security: Fixed CVE‑2023‑46129 by correcting nkeys seal encryption and updated Go to 1.21.3.
- Features: Added JetStream Raft group name reporting, configurable MQTT QoS 2 disable, opt‑in TLS handshake for clients, pprof labels in stream config, and reason field for AckTerm events.
- Bugfixes & optimizations: Resolved panics, memory leaks, and recovery issues; improved Raft state handling, file‑store performance, route lookups, and Windows shutdown handling.
Release v2.10.4
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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;