chore(main): release wren 0.12.0

[github-actions]

🤖 I have created a release beep boop

0.12.0 (2026-07-04)

⚠ BREAKING CHANGES

• wren: rename PyPI package from wren-engine to wrenai (#2315)

Features

• add MDL layout versioning and dialect field on Model and View (#1556) (db2f0e4)
• add wren-core-wasm module with browser WASM support (#1568) (5165a20)
• context: bind a connection profile to a project (#2251) (41fbe41)
• core: import wren-engine into core/ (cc9b67f)
• core: import wren-engine into core/ (#2209) (8b8a1a3)
• memory: add 'wren memory watch' to auto-reindex on source changes (#2418) (d5911c5)
• policy: govern data-reading TVFs in all positions + structure source-func allowlist (#2419) (5ff51e4)
• wasm: full Cube support — validate, translate, PyO3, CLI, WASM, docs (#2282) (026111e)
• wren-core: add refSql model support (#1555) (815889c)
• wren-core: support composite (multi-column) primary keys (#2345) (d33917f)
• wren: .env-driven profile secrets, auto connection validation, and wren-install-guide skill (#1588) (bdd0758)
• wren: add wren docs connection-info CLI command (#1507) (6159d98)
• wren: add cross-dialect type translation to type_mapping (#2410) (e124ff5)
• wren: add dbt import workflow (#2279) (0bd16b8)
• wren: add LanceDB-backed memory layer for schema and query retrieval (#1494) (d8c1511)
• wren: add memory list, forget, dump & load commands (#1531) (8660f58)
• wren: add profile management for named connection profiles (#1509) (85ea8bb)
• wren: add standalone wren Python SDK package (#1471) (5bc9893)
• wren: add v5 project layout (schema_version 5) (#2386) (d50b9bc)
• wren: build MDL manifests from OSI semantic models (#2322) (983cf8b)
• wren: case-aware column & model binding in the CTE rewriter (#2400) (58f3f51)
• wren: CLI 0.2.0 — context management, profiles, strict mode & memory (#1522) (b31a1c1)
• wren: CTE-based SQL planning with per-model expansion (#1479) (d70f789)
• wren: extend standalone CLI with MySQL support and auto-discovery (#1476) (c7e7133)
• wren: GenBI app build & deploy — semantic layer → shareable web app (#2348) (67257bf)
• wren: generate AGENTS.md during wren context init (#1526) (9990bc8)
• wren: preserve SELECT * in CTE rewriter (#1536) (0afaef7)
• wren: query MDL views in the SDK rewriter and strict mode (#2334) (731c9c0)
• wren: serve agent skills and reference docs from the CLI (#2329) (cbd10cd)
• wren: v5 project layout — knowledge/ first-class, memory decoupled from LanceDB (#2399) (3e34906)

Bug Fixes

• athena: treat DECIMAL(p) as scale 0, not a default non-zero scale (#2403) (22d3125)
• clickhouse: default port-less clickhouse+https URLs to 8443, not 8123 (#2412) (06a51a8)
• context: preserve leading underscores in _snake_to_camel key conversion (#2414) (0cf9fa3)
• disable transformers progress bar on Windows (#2368) (f91529b)
• duckdb: case-insensitive .duckdb discovery, deterministic attach aliases, and single-statement SQL hardening (#2411) (cfbd209)
• ensure UTF-8 encoding for YAML file operations on Windows (#2357) (322bd79)
• finish wren-engine → wrenai rename cleanup (#2425) (0733d37)
• genbi: normalise null apps/schema_version in app index (#2406) (0c031d6)
• memory: avoid identifier columns in aggregation seed queries (#2358) (d5e7879)
• mysql: handle brackets in connection URLs (#2367) (8850abe)
• oracle: replace ibis[oracle] with native oracledb cursor connector (#1495) (a230488)
• osi: skip empty expressions when picking a dialect expression (#2413) (bcf78d1)
• policy: block table-valued functions reached via JOIN in strict mode (#2405) (a2a37b3)
• postgres: strip trailing semicolon before subquery-wrapping (#2407) (3122f4f)
• trino: treat DECIMAL(p) as scale 0, not a default non-zero scale (#2404) (1be4baa)
• wren: address CodeRabbit review feedback (a28058d)
• wren: fix CLI 0.2.0 docs — description placement, install extras, CLI flags (#1523) (72c4917)
• wren: honor SQL identifier case across policy, extract, and CTE rewriter (#2310) (9b5fe22)
• wren: load cubes from folder-per-entity layout (#2350) (6f2542e)
• wren: run full unit suite in CI and fix upgrade tests for schema_version 5 (#2388) (c36e56e)
• wren: support Databricks catalog (#2340) (5e58ef6)
• wren: suppress model-loading noise and improve memory CLI error message (#1529) (1135c0c)

Performance Improvements

• cli: use find_spec instead of eager import to detect memory extra (#2352) (81d15fa)

Dependencies

• clear 5 high-severity Dependabot alerts on main (#2330) (cee71e6)
• wren: bump transitive deps for security patches (d064db6)

Documentation

• wren: document macOS memory first-run scan (#2354) (40b1a97)
• wren: fix cube quickstart and align YAML/CLI examples with implementation (#2359) (be69509)
• wren: rebrand README to Wren AI and expand rename migration note (#2316) (f3a00eb)

Miscellaneous Chores

• wren: rename PyPI package from wren-engine to wrenai (#2315) (20cffa9)

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