Released: Mar 16, 2026

2026 Volume 1 (33.1.44) での更新項目

機能

• Web Spreadsheet Editor (JavaScript, Angular, React, Vue, ASP.NET Core, and ASP.NET MVC)
  • Discontinuous chart range support - Users can now create charts from multiple non-adjacent rows, columns, or cell blocks for greater flexibility when visualizing selective or scattered data. Linked charts automatically update whenever any referenced range changes. This capability is fully supported across major chart types, including column, bar, area, pie, donut, line, and scatter.
  • Improved file import efficiency - Core server-side processes for file imports have been refined to improve memory efficiency and faster performance, ensuring a smoother experience when working with large Excel workbooks. This optimization is especially beneficial for complex files that include advanced styling, formatting, and rich content structures, enabling more reliable handling of heavy datasets with reduced resource usage.
  • Enhanced clipboard behavior - Clipboard operations now retain formatting, formulas, and cell references when copying or moving data across worksheets. It reduces transfer-related errors and ensures pasted content fully preserves user intent, even in complex multi-sheet workflows.
  • Improved conditional formatting logic - Conditional formatting now evaluates rules accurately and updates consistently as data changes. It eliminates rendering mismatches and ensures that formatting rules visually respond to edits in real time for a clearer, more reliable data presentation experience.
  • Enhanced data validation experience - Data validation has been improved to provide immediate and precise responses when invalid values are entered. This helps users avoid input mistakes and maintain data accuracy, and supports cleaner, integrity-focused data entry across all workflows.
  • Refined formula calculation experience - Formula processing has been upgraded with more robust error handling and behavior aligned closely with Excel for commonly used functions. These address argument-related edge cases, resulting in predictable, reliable, and consistent calculations.
• Blazor Spreadsheet Editor
  • Optimized undo and redo performance - The undo and redo mechanism in the Blazor Spreadsheet Editor has been optimized to handle extensive formula sets more efficiently, delivering faster operations and a more responsive user experience.
  • Enhanced open and save behavior - File open and save operations now align better with Excel. These preserve images, gridlines, text validation, table headers, password protection, and named ranges during round-trip workflows, resulting in fewer visual discrepancies, data inconsistencies, and protection failures for more reliable file handling.
  • Improved worksheet management - Now provides intuitive sheet insertion, protection enforcement, and consistent API behavior. Enhancements include sheet manipulation such as insert/delete/move/duplicate actions when protection is enabled, offering more predictable organization, enhanced workbook security, and a smoother multi-sheet experience.
  • Enhanced row and column insertion - Row and column insertion has been improved for more predictable, Excel-aligned results. Row heights adjust correctly, formulas and named ranges remain intact, inserted rows remain visible after filtering, images reposition smoothly, name box updates accurately, and hyperlinks stay preserved during insertions.
• Visual Studio Code Extension
  • Syncfusion Spreadsheet Editor SDK Extension - Visual Studio Code - Syncfusion's Spreadsheet Editor SDK Extension for Visual Studio Code enables developers to create Blazor applications with advanced Spreadsheet Editor components, no dependency on Microsoft Office or other external tools. It includes ready-made project templates and Blazor-specific code snippets, helping new users get started quickly with pre-built, powerful spreadsheet features.