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Network Changelog

All notable changes to QCOS Network are documented here.

[3.2.0] - 2026-02-06​

Added​

  • WebSocket streaming: Real-time job status updates
  • Batch execution: Submit multiple circuits in one request
  • Cost estimation: Pre-execution cost estimates
  • Enhanced metrics: Per-backend latency and fidelity tracking

Changed​

  • Improved load balancer algorithm
  • Better failover detection (reduced from 10s to 5s)
  • More granular aggregation confidence scores

Fixed​

  • Race condition in concurrent job submission
  • Memory leak in long-running streaming connections

[3.1.0] - 2026-01-15​

Added​

  • 14 Network endpoints: Complete distributed execution API
  • 4 Load balancing strategies: fastest, best_fidelity, round_robin, cost_optimized
  • Result aggregation: Weighted average, majority vote, confidence-weighted
  • Automatic failover: Seamless backend recovery

Changed​

  • Unified backend adapter interface
  • Improved queue depth estimation

[3.0.0] - 2025-12-01​

Added​

  • Network module: Initial distributed execution framework
  • Multi-backend support: IonQ, IBM, Rigetti
  • Basic load balancing: Round-robin distribution

Roadmap​

[3.3.0] - Planned Q2 2026​

  • Quantum error correction integration
  • Cross-backend entanglement protocols
  • Dynamic backend provisioning
  • Advanced cost optimization

[4.0.0] - Planned Q4 2026​

  • Hybrid classical-quantum workflows
  • GPU accelerator integration
  • Custom backend plugin system
  • Network-level caching

Version Support​

VersionStatusSupport Until
3.2.xCurrentActive
3.1.xSupported2026-07
3.0.xDeprecated2026-03

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