Changelog

Major release announcements for A vs B. Each entry summarises what shipped, links to the deeper reference docs, and is dated for easy reference.

Releases

• Stats Engines release — April 2026. Three engines (Bayesian, Frequentist, Sequential), per-experiment configurability, Explore-under and Compare-engines views, pre-registered analysis plans, peek protection, ROPE, A/A validation mode, engine-aware health score.