Cursor rolled out Background Indexing 2.0 with incremental AST optimization and lightweight embeddings for 10M+ line codebases.
Key Takeaways
- ✓Incremental AST indexing recomputes only changed nodes during Git branch switches, saving 75% CPU
- ✓Multi-file codebase reference accuracy rises to 94.8%, eliminating cross-module agent hallucinations
- ✓Supports local offline embedding mode keeping sensitive enterprise code 100% on-device