The controls are now supported in .NET Core 3.0 preview. A separate set of libraries is provided for .NET Core 3.0 preview to take advantage of the new features.
Diagram
Built-in shapes - The Diagram control has added 445 built-in shapes under the Basic, Flow, Arrow, Electrical, DataFlow, and UML shape categories.
PDF Library
ZUGFeRD - Create a ZUGFeRD PDF invoice document.
PDF/A-2b conformance - Create a PDF/A-2b conforming document.
PDF/A-3b conformance - Create a PDF/A-3b conforming document.
Get review details from the PDF annotations - Get comment and review details from the PDF annotations.
Import and export PDF annotations - Import and export PDF annotations as FDF and XFDF.
Pivot Grid
Color scales - The color scales option allows end users to apply either predefined or custom colors to a range of cells based on specified conditions.
Report Viewer
Performance - Report loading and processing performance has been improved by up to three times.
Expressions - Scope parameter can now be considered for aggregate expressions such as Sum, Count, RunningValue, and more.
Dynamic data expressions - Field expression support has been added to group and filter report data based on dynamic fields from parameters.
Chart
Autoscrolling support - The autoscrolling feature allows focusing on a minimal set of data points by visualizing only a few items in the UI and viewing the remaining data points by scrolling. Configure this feature in real-time updates to view recently added data points.
Spreadsheet
Format numbers as text - Text option has been added to the number format. This is used to specify numbers as text in the cell.
Wrap text rendering improvement - Wrapped text rendering has been improved based on vertical alignment of a cell like MS-Excel.
Syntax Editor
Syntax highlighting - The Syntax Editor provides syntax highlighting for procedural programming and markup languages. Built-in syntax highlighting and code editing experiences have been extended for the following languages.
C
Java
JavaScript
VBScript
HTML
PowerShell
Delphi
TreeGrid
Property mapping support for tree node expand or collapse state - Users can map a property from the data model or view model to expand or collapse tree nodes.
Excel Library
Conditional formatting enhancement - Formatting unique and duplicate values in Excel worksheets can be done simply using conditional formats.
Custom table styles - Excel tables can be customized in different formats to visualize data.
Excel 2019 compatibility - Support for Microsoft Excel 2019 file format version.