- Decoupled Raft transport and increased disk concurrency (now configurable) with several JetStream performance and memory optimizations;
- Fixed multiple security issues including authentication bypasses, TLS verification flaws, JWT validation crashes, and MQTT permission bypasses;
- Resolved numerous bugs across cluster replication, filestore handling, race conditions, and MQTT packet identifier handling.
Release v2.14.4
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Decoupled JetStream Raft transport and increased disk concurrency semaphore to 4096 (configurable via max_concurrent_io) to improve performance and memory handling;
Fixed numerous bugs and race conditions across authentication, routing, monitoring, JetStream, Raft, and MQTT, preventing panics, memory leaks, and stream desynchronisation.
Fixed numerous race conditions, panics, and data‑race issues across authentication, routing, monitoring, JetStream, and Raft, improving stability and security.