- Updated build to Go 1.19.1 and refreshed dependencies.
- Added JetStream enhancements: remove server by peer ID, expose peer‑ID in meta‑cluster stats, discard‑new‑per‑subject config, use new consumer‑create API for filtered source streams, and optimized acknowledgment handling.
- Fixed several JetStream and server bugs: consumer randomization for replicas, correct 409 response on pull‑request limits, prevent panic on peer removal during shutdown, filtered consumer subject leakage, LeafNode websocket auth handling...
Release v2.9.1
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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;