- Updated Go version to 1.14.8 for server binaries and Docker images.
- Fixed several leaf‑node related bugs, including permission handling across accounts, race conditions on reconnection, unsubscribe propagation, solicit failures, and duplicate subscription handling.
- Resolved assorted issues such as gateway reconnection races, shutdown stalls with leaf nodes, log file size limits, IPv6 connection name logging, TLS distinguishedNameMatch support, and account import errors.
Release v2.1.8
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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;