v1.6.6
bespokelabsai/nimblev1.6.6May 13, 2026by chonk-lain
Upgrading?
AI Summary
A performance-focused update that significantly optimizes the CodeChunker, achieving substantial speed improvements in indexing and latency.
Key Highlights
- Massive CodeChunker performance speedup (44.5% faster index time, 18% faster p99 latency)
- Updated benchmarks showing improvements
New Features
- CodeChunker performance improvements
Full Release Notes
## Highlight 🔥 CodeChunker update and huge performance speedup. bechmarks below using [semble](https://github.com/MinishLab/semble) as a reference: | Metric | Baseline | Semble (uring the current version) | Delta | % Change | |--------|----------|---------|-------|----------| | **NDCG@10** (search quality) | 0.854 | 0.856 | +0.002 | **+0.2%** | | **p50 latency** | 7.19 ms | 6.16 ms | -1.03 ms | **-14.3%** | | **p90 latency** | 22.15 ms | 18.57 ms | -3.57 ms | **-16.1%** | | **p95 latency** | 25.12 ms | 20.60 ms | -4.51 ms | **-18.0%** | | **p99 latency** | 28.69 ms | 23.70 ms | -4.99 ms | **-17.4%** | | **Index time** | 5,138 ms | 2,853 ms | -2,285 ms | **-44.5%** | ## What's Changed * update code chunker by @chonk-lain in https://github.com/chonkie-inc/chonkie/pull/587 ## Dependencies * chore(deps): bump urllib3 from 2.6.3 to 2.7.0 by @dependabot[bot] in https://github.com/chonkie-inc/chonkie/pull/584 * chore(deps): bump langchain-core from 1.2.31 to 1.3.3 by @dependabot[bot] in https://github.com/chonkie-inc/chonkie/pull/581 * chore(deps-dev): update turbopuffer requirement from ~=1.0 to >=1,<3 by @dependabot[bot] in https://github.com/chonkie-inc/chonkie/pull/585 * chore(deps): bump mako from 1.3.11 to 1.3.12 by @dependabot[bot] in https://github.com/chonkie-inc/chonkie/pull/579 * chore(deps): bump authlib from 1.6.11 to 1.6.12 by @dependabot[bot] in https://github.com/chonkie-inc/chonkie/pull/588 **Full Changelog**: https://github.com/chonkie-inc/chonkie/compare/v1.6.5...v1.6.6
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