# Release Notes for Version 18.2.20254.0

## Content

This set of release notes includes the enhancements and version details.

## Enhancements from the Previous Release

This version of the product has the following enhancements from the previous release.

* Optimized the chart tooltip display logic to prevent unexpected flickering when rapidly moving the mouse.
* Spread now supports setting custom data (Tag) on cells, rows, and columns through [IRange.Tag](https://developer.mescius.com/spreadnet/api/latest/online-wpf/GrapeCity.Spreadsheet/GrapeCity.Spreadsheet.IRange.Tag.html).
* New APIs are introduced which allow users to respond to cell clicks, selection changes, double-clicks, and sheet activation events in worksheets and workbooks.

## File Versions

Spread WPF installs the following file versions on your system. See Installed Files for the exact location of these files.

| **File** | **Version** |
| ---- | ------- |
| GrapeCity.CalcEngine.dll | 18.2.20254.0 |
| GrapeCity.Spreadsheet.dll | 18.2.20254.0 |
| GrapeCity.Wpf.Spreadsheet.CellType.dll | 18.2.20254.0 |
| GrapeCity.Wpf.SpreadSheet.dll | 18.2.20254.0 |