Beyond features and performance, the release closes seven CVEs (Common Vulnerabilities and Exposures), including:
| Metric | DASS167 v4.1.9 | DASS167 v4.2.1 | Change | | :--- | :--- | :--- | :--- | | Throughput (64B packets) | 1.2 Mpps | 1.9 Mpps | | | P99 Latency (steady state) | 340 µs | 212 µs | -38% | | Failover convergence (active→standby) | 4.7 sec | 1.2 sec | -74% | | Memory footprint (idle) | 312 MB | 288 MB | -8% | dass167 updated