- Added new client traffic metrics to the /varz endpoint and allowed TLS certificates with DNS SANs without subject DNs.
- Stability and performance fixes including idempotent server shutdown, reduced lock contention, timer leak fixes, and numerous panic, race‑condition, and TLS/PROXY handling corrections.
- JetStream and Raft enhancements such as correct batch sequence parsing, snapshot handling, cache invalidation, consumer redelivery fixes, and proper JetStreamMaxMemory/Store handling in embedded mode.
Release v2.14.1
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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;