Upgrade guides¶ Checklists and safe-defaults guides for upgrading to new major versions. v1.0.0 upgrade checklist 1. Environment variables 2. pyproject.toml configuration 3. API changes from v0.11.x 4. Guarded explanation migration 5. ExplainerBuilder and ExplainerConfig wiring 6. Caching 7. Parallel execution 8. Plugin testing and diagnostics 9. Reject framework