- Added extensive JetStream enhancements: per‑message TTLs, subject delete markers, priority consumer groups with pinning/overflow, consumer pause/resume, pedantic mode, ingest rate limiting, and strict API decoding.
- Introduced distributed NATS message tracing, configuration digest hashing, scoped user templates, TLS‑first leafnode handshakes, WebSocket custom response headers, MQTT SparkplugB support, and Windows TPM‑backed JetStream encryption.
- Implemented numerous stability and bug fixes: graceful SIGTERM shutdown returns exit code 0, validation rejecting server/cluster/gateway names with spaces, improved Raft‑based message removal ordering, consistent leader behavior, and fix...
Release v2.11.0
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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;