Changelog

Core

• PivotData engine with 16 built-in aggregators
• PivotTableController with compact, tabular, and flat layouts
• Calculated fields with 40+ formula functions
• Conditional formatting (rules, heatmaps, data bars, icon sets)
• Export to CSV, JSON, HTML
• i18n support for 10 locales including RTL
• Cell range selection with aggregate stats
• Row drag and drop reordering
• Undo/redo configuration history
• Top N filtering with hierarchical support
• Sparkline rendering (line, bar, area)
• Master/detail drill-down
• Virtual scrolling for large datasets
• Config persistence with multiple storage adapters
• Theme system with dark mode and custom themes
• Display modes (% of total, running total, rank, etc.)
• Print mode with configurable layout
• Cell flashing for real-time data updates
• Web Worker support for background computation

Svelte

• PivotTable component with full feature support
• PivotToolbar with layout, export, chart, TopN controls
• FieldChooser with drag-and-drop
• PivotChart (bar, line, pie, area, stacked, doughnut)
• SlicerPanel with buttons, checkboxes, pills styles
• ThemeProvider for dark/light mode
• FormulaEditor component
• ConditionalStyleEditor component
• StatusBar with selection stats
• ConfigManager for save/load

React

• React port with feature parity (in progress)
• PivotTable, PivotToolbar, FieldChooser, PivotChart components