v2.21.0

2.21.0 (2026-11-11)

Features

• config,docs: rename AI gateway env vars to OPENAI_API_URL/KEY and update model discovery & docs (#93) (1ea3116)
• git: add configurable commit history retention and get_recent_changes MCP tool (closes #101) (#107) (5225cc0)
• mcp: add diagnose_issue MCP tool for stack-trace, log, and bug description triage (#103) (6b965c6)
• mcp: add grep_code MCP tool and backend-agnostic line-accurate vector file reconstruction (#105) (88b1a39)
• packaging: add Windows x64 portable bundle with user-space PostgreSQL and pgvector (fbf86bc)
• packaging: add Windows x64 portable bundle with user-space PostgreSQL and pgvector (c341127)
• pgvector,git: add PostgreSQL FTS lexical/hybrid search and native SSH/glab support (#90) (61d7a12)
• trace: add cross-repo HTTP boundary resolution and compact JSON output to trace_path (closes #99) (#106) (b99239f)
• ui,settings: remove local FastEmbed/ONNX UI options and standardize on API embeddings (#91) (e38b363)
• ui,vector-store: consolidate vector database options to Qdrant and PostgreSQL pgvector (aaddb08)
• ui,vector-store: consolidate vector database options to Qdrant and PostgreSQL pgvector (05534e4)

Bug Fixes

• database: restore native PostgreSQL readiness probes (9549da4), closes #50
• fail ingestion when vector persistence fails (#78) (a1618ce)
• initialize and migrate pgvector tables transactionally (#54) (0642ff1)
• mcp: bypass ping middleware for active sse sessions and clean up corrupted target dirs (853f305)
• mcp: bypass ping middleware for active SSE sessions and clean up corrupted target dirs (ecb8513)
• pdf: isolate test db path and restore local embeddings in fixture teardown (000afe4)
• pgvector: guard postgresql-specific ddl against sqlite test engines (ecfbff8)
• pgvector: make native initialization and legacy migration atomic (4063816)
• pgvector: merge main, sync requirements and increase vitest testTimeout (2e0e5b7)
• restore native PostgreSQL readiness probes (#50) (582fc46)
• storage: fail uploads when vector indexing fails (973f3e5)
• storage: upsert PDF extraction cache across database backends (388c77e), closes #77
• support PostgreSQL PDF extraction cache upserts (#77) (9530095)
• test: reset default dense and sparse models during fixture teardown (7bd98f4)

Performance Improvements

• memory: tune glibc malloc arenas and trim memory post-ingestion (#85) (ebf328d)
• memory: tune glibc malloc arenas and trim memory post-ingestion (#85) (5f57039)