- Added configurable WebSocket ping interval and TLS certificate expiry info to the monitoring endpoint.
- Improved JetStream performance (faster source scans, consumer creation, interest checks, compaction) and stabilized Raft operations.
- Fixed numerous bugs including data races, panics, corrupted state, MQTT payload limits, and file store issues.
Release v2.11.12
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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;