yams/CHANGELOG.md

Changelog

0.20.5 (2026-10-03)

Fixed

• memory-sync: publish committed vectors and wrap the vector sweep (#266) (1b66715)
• memory-sync: skip bad vector records instead of stalling the stage (#265) (44daa47)
• test: make Tests green on every platform (#264) (1701bca)
• unblock the 0.20.5 release (aarch64 budget, MSVC linkage, mobile configure, Windows MSI) (#263) (dc7a4fb)

0.20.4 (2026-10-02)

Added

• cli: drive the packaged systemd user unit when it is installed (a8f8918)
• packaging: ship the daemon as a systemd user unit (e389e38)
• plugins: prefer a system ONNX Runtime, fall back to a bundled copy (fe07469)

Fixed

• build: install the bundled ONNX Runtime symlinks target-first (e9d19ab)
• ci: add the Arch repository to pacman.conf in the usage text (091cfe0)
• ci: Arch usage snippet and publication sanity check (follow-up to #233) (4afb779)
• ci: drop --force from wrangler r2 object put (a04c30c)
• ci: point stable YUM and Arch usage at the stable repository (1df92a3)
• cli: create the data directory before installing a per-user unit (647a34c)
• config: stop pinning the daemon socket and PID file to shared /tmp paths (9af33b6)
• extraction: build TextBasicHandler capabilities from one extension set (8a1f753)
• extraction: stop the Windows lines: hang from a mismatched iterator range (992b746)
• glint: load ONNX Runtime at runtime instead of linking it (cf02477)
• init: fresh-install dimension alignment, sentinel, and single tuning prompt (#247) (77ead04)
• memory-sync: publish topology edge endpoints and retract deleted topology (#250) (8aa2a33)
• onnx: keep one CoreML model cache per ONNX Runtime version (7755f3e)
• p2p: stop quarantining honest writers for concurrent-session races (#245) (e0d15dc)
• p2p: stop the memory-sync apply/publish deadlock and report apply health (#243) (7be908e)
• packaging: escape rpm macro names in spec comments (3c64e1f)
• packaging: reach running user managers without a D-Bus user bus (999cafc)
• release: ship the daemon in the MSI, unblock experimental publishing, find the Windows hang (#238) (d0b8610)
• storage: give the compressed-storage wrapper a per-user scratch path (1231b4c)

0.20.3 (2026-09-30)

Added

• daemon: expire idle session files from repair maintenance (f87b64e)
• daemon: vacuum vectors.db from idle repair maintenance (6a71e79)

Fixed

• cli: decode compressed content in yams get (73e5d38)
• client: decode compressed transfers for every client (fb38c7c)
• cli: show vector index as pending until vectors initialize (86699d8)
• daemon: break the connection lifetime timer reference cycle (b421c12)
• daemon: cancel in-flight request work when shutdown begins (6aacda7)
• daemon: delete corrupt DB copies only after confirmed salvage (8da4df3)
• daemon: destroy the SocketServer only after its handlers are gone (f8fce1d)
• daemon: keep the session watcher progressing past a failing path (4f5d77e)
• daemon: let connection handlers co-own the slot semaphore (037a33b)
• daemon: name in-flight worker jobs in shutdown join diagnostics (df8097a)
• daemon: quarantine malformed WAL/SHM instead of deleting them (fb3ed28)
• daemon: rate-limit repeating warnings that flood the daemon log (bbec409)
• daemon: report the startup integrity check as its own phase (0b1b162)
• daemon: show host pressure and deferred work in daemon status (1fa2e92)
• daemon: stop topology rebuild requests from spinning workers (8c24821)
• daemon: sweep stale integrity-stamp temp and claim files (344f3c5)
• lint: update RequestDispatcher allowlist lines after the p2p and shutdown merges (d32c9b6)
• metadata: name the pool in slow connection-hold warnings (2ecdaef)
• metadata: record snapshot membership in its own table (3637567)
• metadata: summarize snapshots from membership (a57889e)
• mobile: export only the yams_mobile_* C ABI from libyams_mobile (015a01b)
• mobile: port bindings to current service APIs (c597f99)
• p2p: count sessions the transport refuses as inbound failures (f72abc7)
• p2p: record and report inbound session failures (bda974f)
• search: stop the simeon-lexical build when shutdown begins (8aae924)

Performance

• daemon: defer background work while the host is busy (963d9bd)
• daemon: sample host pressure in the resource governor (52545d3)

Maintenance

• release: pin the next release to 0.20.3 (f21f7b2)

Changed

• cli: handle SessionCommand Mode::None explicitly (7f91141)
• daemon: remove unused ClientConfig::acceptCompressed (17591fc)
• graph: drop --impact and --affected-tests (79232e5)
• ipc: route Connected->ReadingHeader through state impl (4be7145)
• services: drop unused RetrievalService::cat (0d4e649)

0.20.2 (2026-09-25)

Added

• search: apply lines: qualifiers to result snippets (8eae143)
• topology: select the dirty-region expansion mode from config (39af8df)

Fixed

• build: map aarch64/arm64 to Conan's armv8 arch setting (2ef70a6)
• cancel reporting, download progress stages, topology expansion config, lines: search qualifier (9d88fbd)
• downloader: emit the Resolving and Verifying progress stages (9ca69d4)
• downloader: report a user cancel as OperationCancelled (322c908)
• release: build the Arch aarch64 lane end to end (4d262dd)
• release: let clang find Arch ARM's GCC for Boost's arm64 target (721965b)

Maintenance

• release 0.20.2 (698c3cb)

0.20.1 (2026-09-25)

Fixed

• ci: build aarch64 Arch packages on an Arch Linux ARM base image (e167498)
• ci: repair Arch x86_64 and aarch64 release lanes (9bbcacf)
• ci: stop package-validate from exiting silently on a missing build dir (89bf716)

0.20.0 (2026-09-24)

⚠ BREAKING CHANGES

• plugins: code-symbol extraction is gone. Removed: the symbol_extractor_v1 plugin ABI, yams config grammar (list, download, path, auto-enable, auto-disable), the grammar steps in yams init, the meson option plugin-symbols, the conan option enable_symbol_extraction, and the Windows installer SymbolPlugin component. Databases migrate to schema 41; a v0.19 binary refuses to open them, and symbol data dropped by migration 40 cannot be recovered.

Added

• cli: add yams p2p publish/read/status (ed87781)
• cli: install daemon as systemd service (d192a72)
• daemon: wire bounded sync lifecycle (780c602)
• graph: mutual-kNN semantic edges, topology clusters in the KG, relational richness gate (b0ffee7)
• memory-sync: add backend-agnostic sync loop (24a15e6)
• memory-sync: add daemon config + service factory (347da90)
• memory-sync: add metadata adapters (e3ce449)
• memory-sync: add periodic sync service (b5d50bf)
• memory-sync: add vector adapter (9fdf75e)
• memory-sync: add version-vector + LWW data model (91c64d6)
• memory-sync: authenticate records (4340a24)
• memory-sync: log quarantine reasons and config summary (eea06a5)
• memory-sync: manage session lifecycle (86fe2ff)
• memory-sync: validate traceable record-only task revisions (7900979)
• memory-sync: wire service into daemon config + lifecycle (bdc181b)
• metadata: add local embedding derivation tokens (cbc4959)
• metrics: surface WAL data-system optics in daemon status (5d967b9)
• p2p: add authenticated direct replication (#68) (5a53cdf)
• p2p: expose sync protocol status (9b10917)
• retrieval: SGC topology smoothing, Matryoshka BQ prefix, and fragment outer-MaxSim (c3b667e)
• search: optional graph-rerank community signal from topology (e3f7e42)
• storage: add sync backend primitives (2261019)
• storage: expose typed disk pressure policy (05202d4)
• topology: binary snapshot serialization and zstd compression (8fdb4df)
• topology: materialize clusters in the knowledge graph (14057af)
• topology: wire SGC smoothing and BQ routing through typed config (b9ec471)
• vector: binary quantization (BQ) pre-filter for cluster routing (052031a)

Fixed

• address the review findings from the experimental->main promotion (1cfdf13)
• bench: drop removed symbolRank option and tolerate duplicate-content corpora (e7bf9a0)
• bench: reject unknown arguments (b1cefa4)
• build: include <algorithm> where std algorithms are used (ac60e84)
• build: link libFuzzer builds on Linux (e653b62)
• build: restore clean test and benchmark links (7485b48)
• bus: explicitly include <algorithm> for std::erase_if (fb5270e)
• bus: keep the channel-registry mutation off the production API (cfaff94)
• ci: repair audited platform regressions (3d4ed8f)
• ci: repair audited platform regressions (09aa7ae)
• ci: stabilize sanitizer validation (be24d07)
• cli: discover daemon log via status (788140e)
• cli: discover live daemon socket for p2p (9c413d2)
• cli: preserve content bytes during hash hydration (11c3915)
• cli: render disabled vectors and quiet data-dir alarm (ca3eb78)
• common: make the lenient UTF-8 sanitizers emit well-formed UTF-8 (90dca11)
• compression: check stored zstd sizes against the frame before allocating (f5e2936)
• config: distinguish empty from unset env on Windows (8911c5f)
• config: preserve empty Windows values (dd435ef)
• config: revoke removed tuning overrides (45d617d)
• config: stack daemon environment leases (03aed28)
• config: track empty Windows values (aa8eaf8)
• daemon: bypass strand close during global teardown (44939e5)
• daemon: clarify IPC response mismatches (f2c051c)
• daemon: complete pool futures on cancellation (3453db2)
• daemon: deliver immediate in-process responses once (db4df71)
• daemon: drop stale symbol extractor adapter include (24b376a)
• daemon: drop stale symbol extractor adapter include (f9a4ccc)
• daemon: harden async shutdown (5a24eff)
• daemon: keep p2p status off sync lock (f8cb981)
• daemon: preserve ingestion admission (1a2d0f9)
• daemon: preserve stamp claim ownership (ee41571)
• daemon: propagate startup failures (8ed1cc6)
• daemon: retain async initialization completion ownership (32e1625)
• daemon: serialize socket accept shutdown (8a097a9)
• embedding: avoid deferred shutdown access before start (300695c)
• embedding: reject stale prepared text snapshots (72a6e91)
• extraction: keep HTML script/style and tag scans linear (5899d6f)
• extraction: tighten UTF-8 detection and keep units after bad surrogates (2d4fca1)
• fence enrichment completion and reconcile promotion prerequisites (#157) (e4b32e9)
• graph: make isolated-node queries usable after the symbol graph removal (af058f1)
• graph: make semantic_neighbor reciprocity mean mutual kNN (1a74d4c)
• graph: scope health checks to graph data (#63) (291f872)
• harden search, UTF-8, extraction and compression parsers; libFuzzer lane on Linux (bb0be0d)
• ingest: preserve extractor metadata through enrichment (390431d)
• ingest: read shared post-ingest content in place (5393a5a)
• integrity: publish verifier pool shutdown under the queue mutex (b2a5d61)
• ipc: validate memory sync operations against a named wire limit (41e86a6)
• mcp: preserve embedded stdio buffers (8055563)
• mcp: restore WASI final linkage (bdd7281)
• memory-sync: bound reconciliation (ccbc7e7)
• memory-sync: escape acknowledgement keys (d9f9142)
• memory-sync: include spdlog in public header (b892ddd)
• memory-sync: log quarantine from daemon, not header (85cd84e)
• memory-sync: parse s3 URL via storage resolver (5b251a0)
• memory-sync: require explicit shared corpus scope (94e948c)
• memory-sync: serialize loop access + resume causal history (f5ff83d)
• metadata: cancel integrity validation without quarantine (5a8cc0e)
• metadata: guard snapshot pruning and topology count triggers (c401e04)
• metadata: invalidate embeddings when extracted input changes (be5c834)
• metadata: keep replica derivation readiness local (fddc257)
• metadata: normalize extraction status (c56cae7)
• metadata: reserve pool creation capacity (9ef69b7)
• metadata: scope migration 40 deletes to symbol extractor output (5b88c11)
• p2p: admit only non-negative integers in control frames (de9e324)
• p2p: harden bootstrap trust (#72) (1c30839)
• p2p: harden CLI status and operator/key-rotation flows (#76) (d012d95)
• p2p: harden direct-P2P framing and ingress admission (#75) (89d9f7c)
• p2p: harden transport availability (#71) (0eac7c2)
• p2p: replicate content deletion (#69) (70a4977)
• p2p: resume bounded history catch-up (#70) (dbe7aea)
• p2p: serialize sync application (#73) (e954c6d)
• p2p: validate connection-string hosts (b702cb4)
• plugins: honor lifecycle RPC timeout (4e4c414)
• preserve cancellation across worker restart (26a1716)
• release: build Arch packages with the ONNX plugin (0288f02)
• repair: refuse embedding repair without a resolved data directory (d4b4842)
• rerank: sample MaxSim fragments across the whole document (715a042)
• retrieval: harden one-shot output (#64) (cb95fef)
• retrieval: preserve content identities in JSON results (67d2a6a)
• retrieval: propagate metadata lookup failures (8d7629e)
• search: keep operator queries valid FTS5 instead of passing them through (56fd053)
• search: keep topology cluster edges out of relational graph richness (b2ee196)
• search: make grouped FTS5 operator queries explicit (found by fuzzing) (ccc3104)
• search: measure graph richness from relational edges only (e31eda4)
• search: report the scoring mode of the wired cross reranker (4ff7279)
• search: strip matched XML-style tag pairs in linear time (466927f)
• setup: find the Conan toolchain for Fuzzing builds (717fd26)
• storage: enumerate Windows long paths in the extended namespace (283148e)
• storage: harden reference-counter schema migration errors (c37b201)
• storage: retry reference counter init on transient DB lock (dcb6f71)
• storage: scope Windows long paths to paths that need them (2ffe040)
• storage: scope Windows long paths to paths that need them (329a602)
• storage: sign S3 wire path verbatim (6372763)
• topology: bind calibration to routing policy identity (07b9f6b)
• topology: bind routing calibration to policy identity (d308932)
• topology: bound snapshot decode against corrupt payloads (5267b32)
• topology: harden snapshot codec, store, migrations and routing for v0.20 (21bcd0a)
• topology: keep exhaustive routing when BQ cannot score a query (da3e398)
• topology: keep rebuilding when the latest snapshot is undecodable (6e1a526)
• topology: make SGC smoothing deterministic and skip ragged inputs (c990b48)
• topology: make the latest pointer the storeBatch commit point (fff2424)
• topology: rebuild stale memberships (#114) (5ccb46c)
• topology: share one resident snapshot behind a lock (522c33a)
• v0.20 pre-tag fixes (Arch ONNX packaging, migration 40 scoping, graph/topology defects) (2a1b5b3)
• vector: bind rebuild readiness to epochs (b152429)
• vector: build the topology ANN index with sqlite-vec's SIMD defines (c74629d)
• vector: bump sqlite-vec-cpp for safe error formatting (2cff398)
• vector: default the paging capability instead of requiring it (db6f663)
• wal: keep WAL metrics noexcept and race-free (be95561)
• wal: preserve damaged zero-prefix segments (a636204)
• wal: require an explicit WAL directory and prune empty segments (9dc37e0)

Performance

• bench: expose BQ routing work and new topology levers to benchmarks (8912d70)
• carry #187 (SIMD fixes, x86 AVX2 dispatch, opt-in ONNX, Linux fixes) into experimental (eb9ff8c)
• daemon: trust clean metadata restarts (b319f0d)
• graph: stop loading document content for completion-only jobs (0707331)
• search: favor lexical mixed defaults (#65) (32c8ccd)
• search: flyweight string interning in TopologyRoutingSnapshotCache (1550dad)
• search: optimize concept mining warmup (67b1f89)
• search: refill chunk-crowded vector results (e4e50dc)
• search: reuse Simeon scores within a request (62b789a)
• SIMD fixes (ARM ODR, x86 AVX2 runtime dispatch), opt-in ONNX, Linux fixes (14caf49)
• storage: slice-by-8 CRC32 on all crc paths, 13.7x faster (9ff5aa7)
• topology: binary snapshot compression and BQ routing (3f3b94f)
• topology: bypass metadata table triggers during snapshot sync and prune legacy metadata (dd8105f)
• topology: emit profiling zones from topology and vector code (4bc65fe)
• topology: streamline artifact construction (745818e)
• vector: harden portable backends (#66) (0effb84)
• vector: persist reusable warm starts (fbb8fcb)
• vector: score Simeon PQ candidates with batched ADC scans (cddb9e7)
• vector: use AVX2 on x86 through runtime CPU dispatch (2824cb8)

Changed

• bench: isolate benchmark controls (4d7f15d)
• bench: type run configuration (88a77ad)
• cli: extract already-initialized init path (7ad0418)
• cli: extract testable post-init guidance (15bbaa8)
• cli: share time filters between get/list (728a304)
• compression: remove the never-built LZMA compressor (15f3e3d)
• config: centralize runtime paths (72c8d21)
• config: consolidate embedding policy (8b501a3)
• config: consolidate runtime tuning (30618eb)
• config: unify environment policy (34a799d)
• config: unify flat TOML lookups (e85339a)
• daemon: apply Brick audit fixes to the PR #79 decomposition (#80) (901e594)
• daemon: decompose ServiceManager responsibilities (#79) (6c1846b)
• daemon: extract bootstrap status builder (#87) (0148a05)
• daemon: extract post-ingest NL graph builder (#88) (63390a5)
• daemon: narrow checkpoint WAL capability (#84) (2de6d91)
• daemon: remove the symbol_concurrent tuning knob and stage metrics (66689cd)
• dedup retry helpers + test fixtures (4c3eb3d)
• deduplicate trim/escapeRegex/hasWildcard helpers (3b1c86f)
• graph: drop helpers orphaned by the code-symbol graph removal (c42bd41)
• graph: drop helpers orphaned by the code-symbol graph removal (30d383a)
• graph: resolve explore through graph nodes and report removed impact (ec5b789)
• metadata: extract content transaction seams (424d91f)
• p2p: run handshake and delta exchange over a FrameSource (dc8dc76)
• p2p: tighten tests, share helpers, and guard test hooks (#77) (af609a1)
• plugins: centralize lifecycle policy (d03ffd0)
• plugins: remove the symbol_extractor_v1 plugin ABI (c39ed84)
• repair: share embedding candidate policy (#85) (dd43bd6)
• search: extract auxiliary vector merge (#86) (3b22a30)
• search: remove symbol-based result ranking (ac070d8)
• symbols: remove in-tree tree-sitter symbol extractor plugin and tests (ee51abc)
• symbols: remove symbol extraction subsystem and add migration 40 (9c7f780)
• symbols: remove tree-sitter from conan and fix legacy symbol tests (32e57d7)
• test: consolidate daemon harness (9c9e191)
• vector: decouple embedding generator policy (#83) (9883a43)

0.19.0 (2026-07-31)

⚠ BREAKING CHANGES

• ingest: callers using connectAsync or legacy MessageFramer and FrameReader helpers must migrate to connect, frame_message_into, feed, and get_frame.
• search: removes query parser, result ranker, search filter, and SearchResults container APIs from yams_search.

Added

• search: make topology-assisted retrieval the default (#57) (a3d065d)
• search: trace bounded topology rescue (9618370)

Fixed

• build: restore MSVC and Apple libc++ portability (25bce22)
• ci: preserve staged hook inputs (7a86afe)
• ci: stabilize sanitizer test paths (75ceff2)
• cli: harden argument count arithmetic (a6117de)
• daemon: make watcher and restart reliable (f53d063)
• daemon: stop shutdown log storm (bb8fe66)
• daemon: verify lifecycle process identity (dabb424)
• graph: improve agent navigation (11b0241)
• graph: propagate workspace scope through daemon (0b3317b)
• graph: scope exploration to workspace (70d0236)
• graph: scope explore to working tree (2345462)
• grep: bound final result window (8d447f1)
• harden buffer and parser contracts (4e566f6)
• prune: prioritize extensionless signatures (6e84723)
• release: harden runtime boundaries (cee3adc)
• release: repair package repo publish (80738eb)
• rm: make deletion safe and observable (91fb1a3)
• search: cancel disconnected requests (10ff335)
• search: correct code navigation (8ad4ab2)
• services: saturate add deadline budget (8cc1533)
• storage: harden manifest and graph cleanup (b31de9c)
• synchronize daemon service publication (9855c7b)
• test: use compat jthread shim in deadline test (4750aa5)

Performance

• ingest: bound store batching (ed8492b)
• ingest: harden daemon batching and shutdown (#58) (ae15bf3)
• search: bound topology routing and harden runtime paths (#59) (7df64b1)

Changelog

This file is retained for release automation. Published releases and their generated notes are available at:

• https://github.com/trvon/yams/releases
• https://sr.ht/~trvon/yams/

Curated project updates and benchmark commentary live in docs/newsletter.md.