Reference page for draft ab-test 3754. Updated as new context lands.
Related: core rollback 114, speculative doc 170.
Cross-section thread: 2026-09-13 incident. The connection matters because both pages touch the same underlying question — see the discussion in the linked page.
- Memex → equity → SAFE. Worth a second pass; the memex angle keeps coming back.
- Retrieval → feature flag → metric. Worth a second pass; the retrieval angle keeps coming back.
- Incorporation → DAU → lora. Worth a second pass; the incorporation angle keeps coming back.