v3.4.2
deepseek-ai/DeepSeek-OCR-2v3.4.2Oct 2, 2026by github-actions[bot]
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AI Summary
A performance-heavy release featuring local disk caching strategies, concurrent read optimizations, and specific warm-up techniques to improve cold block fetches and vector search performance.
Key Highlights
- Feature: Local disk cache placed in front of S3 storage
- Performance: Overlap cold block fetches in batch point reads
- Performance: Read expansion parents concurrently and prefetch records
- Feature: Track documentation visits with Databuddy
New Features
- Track docs visits with Databuddy
- Always put a local disk cache in front of S3 storage
Full Release Notes
## What's Changed * chore(deps): bump the npm_and_yarn group across 2 directories with 4 updates by @dependabot[bot] in https://github.com/HelixDB/helix-db/pull/1152 * feat(docs): track docs visits with Databuddy by @xav-db in https://github.com/HelixDB/helix-db/pull/1153 * perf(db): keep loaded index sets across ForEach frames and unrelated writes by @xav-db in https://github.com/HelixDB/helix-db/pull/1154 * perf(planner,db): source filters and counts always use indexes by @xav-db in https://github.com/HelixDB/helix-db/pull/1155 * feat(server): always put a local disk cache in front of S3 storage by @xav-db in https://github.com/HelixDB/helix-db/pull/1157 * perf(db): overlap cold block fetches in batch point reads by @xav-db in https://github.com/HelixDB/helix-db/pull/1158 * perf(db): read expansion parents concurrently and prefetch projection records by @xav-db in https://github.com/HelixDB/helix-db/pull/1159 * perf(db): warm vector search rows into the object-store cache after open by @xav-db in https://github.com/HelixDB/helix-db/pull/1160 * ci: refresh DB production coverage after the cold-read PRs by @xav-db in https://github.com/HelixDB/helix-db/pull/1162 * Release CLI 3.4.2 and Docker v0.0.9 by @xav-db in https://github.com/HelixDB/helix-db/pull/1161 **Full Changelog**: https://github.com/HelixDB/helix-db/compare/v3.4.1...v3.4.2
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