- - Added new monitoring capabilities: rtt metric, client‑ID filtering, closed‑connection reasons, sorting options, and expanded /subsz with subscription details and subject testing.
- - Introduced echo support via CONNECT echo flag and INFO proto field, plus a configurable maximum subscriptions per connection.
- - Delivered performance boost for fan‑out, updated authentication and build docs, and fixed bugs such as cluster‑port display, duplicate error messages, route removal handling, and TLS log‑level elevation.
Release v1.2.0
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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;