Each drawing keeps its own paper. The inks follow it; strokes keep their colors.
How to change the cell size inside a selection. The Finer and Coarser buttons always work.
When a newer Isopix is live, a bar says "🆕 An update for Isopix is ready." Reload saves your drawing first; ✕ asks again later.
Start a new drawing? This browser keeps one drawing, so New replaces this one. Save a file first to keep it.