Changelog¶

Full history lives in CHANGELOG.md.

v1.9.0 (2026-08-29)¶

Memory Scopes (D1.13) — per-user isolation on HTTP: an API-key-bound client cannot spoof another user's user_id; stdio/local unchanged
Self-building graph (B1.2 + B1.3) — person/organization entities with per-user dedup and relates_to/relation edges on memory_graph_add; nightly graph_builder extracts people and relationships from episodes (RU+EN patterns); graph backlinks via memory_graph_edges(direction=...)
ACT-R activation + CLS replay (D1.17 + D1.18) — recall frequency + recency boost retrieval scoring; dream confirms used facts (recall_useful), nightly replay boosts confirmed L4 facts
GraphRAG (B1.6) — retrieval chain vector/FTS → graph expand → rerank; 1-hop neighbors of graph hits join results with damped scores
Lineage + transitions (B1.4 + B1.5) — promoted facts record parent summaries (get_lineage); every memory move (staging→l4, l4→archived, …) validated and persisted to memory_transitions with metrics
Causal memory (B1.7) — record_causal action→outcome links with strength in the epistemic graph
SQLite quick wins (A2.6–A2.9) — PRAGMA set completed (page_size/auto_vacuum), bulk executemany imports, 8 composite indexes for hot queries

See the repo CHANGELOG for the complete list.

6 analytical wiki perspectives — wiki_summarize filters the wiki through a curated mapping to existing wiki_type (practical / epistemic / psychological / social / temporal / metacognitive)
Wiki schema lint — 6 checks on save/sync; missing_index auto-fixable
Dream-cycle inject + CONTEXT.md snapshot — memory_context_inject curates L3→L4 inline, then writes a 3-section per-layer CONTEXT.md
Session quality scoring — 5-component deterministic score (0-100) persisted on session close, exposed via memory_stats.avg_session_quality
Recall telemetry — every dream recorded in recall_events; memory_stats.recall_count; feeds the recall_usage score component
training_value classification — think tags each thought high/medium/low (decision + outcome regexes, RU+EN)
Daily brief tool — daily_brief one-call 3-section report; new brief exposure tier
Tool count 36 — default 5-primitive surface unchanged; wiki + brief tiers opt-in via ARIEL_EXPOSE

See the repo CHANGELOG for the complete list.

Temporal timeline wired end-to-end — think/evolve/project events + dream recent digest
Tiered tool exposure — ARIEL_EXPOSE=primitives,wiki (and all)
Export/import payload v1.1 — sessions round-trip, newest-wins conflict guard
Optional embeddings extra — sentence-transformers, CPU-pinned
End-to-end pipeline test suite — real stores, 25 property-based tests

See the repo CHANGELOG for the complete list.

mcp 2.x native (mcp.server.mcpserver.MCPServer), mcp[cli]>=2,<3
5 universal primitives by default (think/dream/forget/evolve/project); full surface via ARIEL_EXPOSE=all
Layer registry — one-call addition of new memory layers
Project memory layer — decisions, artifact map, graphify code index in a separate projects.db
Dream staging pipeline restored and wired into the hourly consolidation sweep
DB maintenance loop — size thresholds, metrics, auto-VACUUM
Layer isolation for core_memory/episodes (alembic migration)
Config drift warnings for per-agent configs; ~15 previously dead yaml keys now live

See the repo CHANGELOG for the complete list.