- Added Kind() method to ClientAuthentication interface for connection type detection (feature).
- Fixed multiple bugs and stability issues across JetStream, LeafNode, MQTT, and server shutdown handling, including panics, message deletion, subscription leaks, and file handle closures (bugfix).
- Updated JetStream StreamInfo to return count of deleted messages and require explicit request for details; improved Windows stream deletion errors and TLS configuration reload behavior (minor).
Release v2.2.2
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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;