Footprint per the manufacturer's land pattern (redrawn), derived viewers/lbr/hero rebuilt, lbr-hover on both viewers, README.md replaces README.html, assembly animation in docs/assembly.md, chip outline and symbol options
Revamp to the IN-S42ATR page model: interactive 3D insertion viewer, Summary with Features/Brief tabs, side-by-side symbol and footprint viewers, and the datasheet as the README's final section with full provenance