- Fixed JetStream queue subscription behavior by adding PushBound and DeliverGroup fields, now returning errors for duplicate or invalid queue subscriptions and enforcing proper queue groups.
- Introduced JetStream enhancements including domain in PubAck, file utilization for KV stores, encryption at rest, global account support in mixed mode, and expanded monitoring capabilities.
- Implemented numerous bug fixes and stability improvements such as consumer info type changes, panic/deadlock resolutions, flow‑control fixes, permission check corrections, and websocket TLS handling.
Release v2.4.0
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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;