Customize Sheet, Item Flow & Stability Update — RP2D Virtual Tabletop Steam update #489875

Character Sheet - Customize & LayoutNew Customize Sheet mode lets players move and resize sections freely, with real-time resize preview and a visible golden editing boundary.Layout editing is safer and clearer: sections stay inside the editable area, active dragged sections stay on top, and section borders remain fully visible.Sheet presets now support section position/size, and loading presets includes a checkbox to apply or skip layout placement. Character Sheet - Readability & NavigationOverview layout was reorganized for clearer reading flow: attributes now appear as a full-width ribbon under token info, and notes/description/skills placement is easier to scan.Header actions were simplified: Edit now groups Presets, Aura/Dice/Tray Theme, and Sheet Theme, while Customize is a dedicated button for layout editing.Sheet Theme and Token Theme popups no longer close the character sheet un...