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Release notes

Entry point for change history, validation results, and documentation update status.

2026-05-16 highlights

  • Added staged IBM Quantum Runtime connection, Sampler/Estimator execution paths, and a secret-gated live CI connectivity job
  • Extended the QAOA neuron layer with counts/probabilities reconstruction from real circuit execution and a lightweight parameter optimization loop
  • Added direct documentation paths for the device_plugin_template.py and ibm_quantum_runtime_demo.py SDK samples

2026-05-22 highlights

  • Hardened the RAG v2 API for production-style operation and strengthened fail-closed 503 behavior when preprocessing dependencies are not ready
  • Added GET /api/v2/rag/preprocessing/health to expose Sudachi / NER / QueryExpander runtime readiness
  • Implemented rule|llm|hybrid QueryExpander backends and switched LLM expansion parsing to a fixed JSON schema
  • Added Query Expansion quality guards (diversity / redundancy) with automatic fallback to rule-based expansion on low-quality output
  • Extended observability with guard counters, time-series history, and query-hash summaries including recent event timestamps in debug/health payloads
  • Expanded the RAG v2 unit-test suite while keeping the full RAG-related test set passing

2026-05-17 highlights

  • Added the OptimizationPlugin framework and made PluginType.OPTIMIZATION registry-compatible
  • Added Quantization / Pruning / Fusion optimization plugins and a YAML-driven sequential pipeline
  • Added config/optimization_pipeline.yaml and tests/unit/test_optimization_pipeline.py
  • Synchronized Docs/SDK wording for VQE status and config linkage (config/device_plugins.yaml, config/settings.yaml)
  • Added vqe_neuron_layer_demo.py SDK sample for VQENeuronLayer execution and eigenvalue tracking validation
  • Added the Loihi DevicePlugin Brain2Loihi simulator path (run_brain2loihi()), with sample loihi_brain2loihi_demo.py and execution guide
  • Added IBM NeuroChip DevicePlugin support (platform=ibm_neurochip) with run_simulator(), sample ibm_neurochip_demo.py, and related guide updates
  • Enumized runtime error codes for the IBM NeuroChip NorthPole path, and added CI smoke execution of ibm_neurochip_northpole_mock_e2e.py under the optional dependency matrix northpole_mock profile
  • Added AIST G-QuAT DevicePlugin support (platform=g_quat) with run_g_quat() / run_simulator(), g_quat_mock_e2e.py, test_g_quat_plugin.py, and the optional dependency matrix g_quat_mock profile

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