Issues

• Query cache: custom/semantic backends can't actually work — interface never exposes the raw query, and async paths block on sync cache calls

  kevinrawal/nexrag#57 · Filter by author kevinrawal opened on Aug 4, 2026
  

• Rate limiting: support per-user + shared limits, pluggable backend, fix validation gaps

  kevinrawal/nexrag#56 · Filter by author kevinrawal opened on Aug 4, 2026
  

• Scalable sparse retrieval: SQLite FTS5 (embedded) + Elasticsearch/OpenSearch (server-side) behind BaseSparseRetriever

  enhancementperformance
  kevinrawal/nexrag#50 · Filter by author kevinrawal opened on Jun 12, 2026

• [ENH] Optimize idempotency check — surgical diff, source-less dedup, doc fingerprint

  housekeepingvector-db
  kevinrawal/nexrag#48 · Filter by author kevinrawal opened on Jun 10, 2026

• BM25Retriever cache: background TTL sweep to eagerly reclaim memory

  enhancementperformance
  kevinrawal/nexrag#27 · Filter by author kevinrawal opened on Jun 2, 2026

• BM25Retriever cache: LRU/max-size eviction policy

  enhancementperformancev0.4.0
  kevinrawal/nexrag#26 · Filter by author kevinrawal opened on Jun 2, 2026

• Secrets backend — pluggable secret resolution

  enhancementpriority:mediumsecurity
  kevinrawal/nexrag#15 · Filter by author kevinrawal opened on May 29, 2026