- - Added JetStream offline assets support, allowing safe downgrade by marking streams/consumers as offline and preserving data.
- - Fixed multiple race conditions, panics, and reconnect loops affecting startup, JWT updates, Raft entries, and consumer/stream operations.
- - Improved performance for stream mirroring after leaf node reconnects and corrected several JWT, TTL, and route‑connection behaviors.
Release v2.11.9
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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;