- Added default sentinel JWT for operator mode, new trace‑only‑headers option, and support for importing the same subject from multiple accounts and differing pool sizes across routes.
- Security hardening: auth tokens are redacted in trace logs; GOMAXPROCS and GOMEMLIMIT now exposed via stats; improved TLS timeout parsing consistency.
- Extensive bug fixes and performance tweaks: faster JetStream purge, better replicated asset creation, resolved panics, data races, deadlocks, TTL handling, and more stable subject delete marker replication.
Release v2.11.2
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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;