This release adds 5 notable features for engineering teams evaluating rollout.
✓ No known CVEs patched in this version
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Summary
AI summaryAdded zstd archive codec with level tuning and optional lz4‑wrapped rkyv tail‑cache mode.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Feature | Medium |
Added zstd archive codec path with level tuning in context_storage_ops. Added zstd archive codec path with level tuning in context_storage_ops. Source: llm_adapter@2026-05-21 Confidence: high |
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| Feature | Medium |
Introduced optional lz4-wrapped rkyv tail-cache mode (magic-header decode). Introduced optional lz4-wrapped rkyv tail-cache mode (magic-header decode). Source: llm_adapter@2026-05-21 Confidence: high |
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| Feature | Medium |
Added weekly lineage numeric q_compress sidecar export (.qco). Added weekly lineage numeric q_compress sidecar export (.qco). Source: llm_adapter@2026-05-21 Confidence: high |
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| Feature | Medium |
Added retrieval lexical tunables for fst/roaring scan/expansion thresholds. Added retrieval lexical tunables for fst/roaring scan/expansion thresholds. Source: llm_adapter@2026-05-21 Confidence: high |
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| Feature | Medium |
Implemented blob codec tiering in context_engine (raw/lz4/zstd/zstd_dict). Implemented blob codec tiering in context_engine (raw/lz4/zstd/zstd_dict). Source: llm_adapter@2026-05-21 Confidence: high |
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Full changelog
Rust storage/retrieval tranche:\n- Added zstd archive codec path (+ level tuning) in context_storage_ops\n- Added optional lz4-wrapped rkyv tail-cache mode (magic-header decode)\n- Added weekly lineage numeric q_compress sidecar export (.qco)\n- Added retrieval lexical tunables for fst/roaring scan/expansion thresholds\n- Added blob codec tiering in context_engine (raw/lz4/zstd/zstd_dict)\n\nValidation:\n- cargo check --workspace\n- cargo test -p context_engine -p context_retrieval -p context_storage_ops\n\nMicrobench (local synthetic, 180k rows):\nArchive codec wall time / output bytes\n- gzip: 3.8272s / 139,686 bytes\n- lz4: 2.6686s / 289,380 bytes\n- zstd: 2.4173s / 112,876 bytes\nTail cache (first read -> warm read, cache bytes)\n- rkyv: 0.1161s -> 0.0744s, 608,016 bytes\n- lz4+rkyv: 0.1394s -> 0.0971s, 111,334 bytes\n
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About sheawinkler/ContextLattice
Private-by-default memory and context layer for agents with Go/Rust runtime, staged retrieval across fused data backends, and long-horizon context continuity.
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Beta — feedback welcome: [email protected]