Product Updates

Sheldon now prepares Georgia Form 500 resident returns. Plus model fallback, tighter CA and IL calcs, project-scoped search, and cleaner tables.

Illinois & Virginia join the Feather KB. File Viewer, CSV, Excel tools improved, and the Gemini 3.6 upgrade.

Deterministic rule engines for California, Illinois, New York, and Virginia - 620 of 630 scored lines on TaxCalcBench, every gap a documented benchmark defect.