- Added native Windows certificate store support (with Go 1.19.11 backport) and enabled export/import of account advisories.
- Fixed multiple issues: Gateways account‑reload race, Leafnode zombie subscriptions, WebSocket TLS flag handling, JetStream stream corruption during health checks, empty‑key decryption, and ensured MQTT republished messages are delivered.
Release v2.9.20
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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;