- Fix critical CVE‑2025‑30215 affecting all NATS Server versions prior to v2.11.1 or v2.10.27.
- Binary‑only release; update all environments immediately, and use the provided binary as a temporary replacement for source builds.
Release v2.10.27-binary
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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;