Essential Studio for Blazor - v34.2.2 Release Notes

v34.2.2

August 05, 2026

Common

Feature

Telemetry

Starting with this release (v34.2.2), Syncfusion® Blazor components support development-only telemetry. The collected telemetry helps us better understand component usage, feature adoption, and technology trends, allowing us to prioritize future enhancements and product investments.

Telemetry is enabled by default in development environments and collects only anonymous usage information. It is automatically disabled in production environments, and no telemetry is collected from deployed applications or end users.

Telemetry-supported Components:
Telemetry is supported across major Syncfusion® Blazor components, including data visualization, data management, scheduling, editing, file management, and diagramming controls. For a complete list of supported components are listed below.

Component	Assembly
Grid	Syncfusion.Blazor.Grid
TreeGrid	Syncfusion.Blazor.TreeGrid
PivotTable	Syncfusion.Blazor.PivotTable
Gantt	Syncfusion.Blazor.Gantt
Charts	Syncfusion.Blazor.Charts
Accumulation Chart	Syncfusion.Blazor.Charts
StockChart	Syncfusion.Blazor.StockChart
ChartWizard	Syncfusion.Blazor.ChartWizard
Maps	Syncfusion.Blazor.Maps
FileManager	Syncfusion.Blazor.FileManager
Schedule	Syncfusion.Blazor.Schedule
RichTextEditor	Syncfusion.Blazor.RichTextEditor
BlockEditor	Syncfusion.Blazor.BlockEditor
SmartRichTextEditor	Syncfusion.Blazor.SmartRichTextEditor
Diagram	Syncfusion.Blazor.Diagram
ImageEditor	Syncfusion.Blazor.ImageEditor

Why we collect telemetry:

The collected telemetry helps us:

Understand feature adoption and usage trends.
Identify frequently used components and frameworks.
Prioritize future product investments and roadmap decisions.
Detect compatibility trends across .NET versions, operating systems, and development environments.

What information is collected?

Syncfusion collects only a limited set of anonymous usage data during development to understand product usage and improve product planning. No personal information or user-generated content is collected.

The following information may be collected:

Component Name : The Syncfusion component being used (for example, DataGrid, TreeGrid or Chart). Used to understand component usage and adoption.
Assembly Name : The Syncfusion assembly or package in use (for example, Syncfusion.Blazor.Grid). Used for product diagnostics.
SDK Name : The Syncfusion SDK being used (for example, Chart SDK). Used to understand SDK adoption.
SDK Version : The SDK version shipped with the product. Used for release planning and compatibility analysis.
Framework : The target development framework (for example, .NET). Used to understand framework adoption.
Framework Version : The version of the target framework (for example, .NET 8). Helps prioritize framework support.
Operating System : The operating system used during development (for example, Windows, Linux, or macOS). Used for platform compatibility analysis.
Machine Architecture : Processor architecture (for example, x64, x86, or ARM64). Used to understand hardware trends.
Session ID (Hashed) : A randomly generated identifier representing a single development session. Used to group telemetry events within the same session.
Event Name : Product events (for example, component_initialized or feature_name). Used to understand component and feature usage trends.

NOTE

No user-generated content (e.g., code, files, or personal data) is collected.

What information is Not collected?

Syncfusion does not collect:

Personal information (name, email address, customer ID, company information)
Source code
Documents or files
Application data
User-generated content
Business data
Prompts or AI conversations
Authentication credentials
License keys
Any information that can directly identify an individual

How to disable telemetry (Opt-out)

Telemetry can be disabled at any time by calling Telemetry.Disable() during the application startup process, before using any Syncfusion features in your Blazor application.

using Syncfusion.Telemetry; 

// Disable Syncfusion telemetry. 
Telemetry.Disable(); 

// Your Syncfusion code follows here.

Once disabled, Syncfusion application continue to function normally. The only difference is that telemetry data will no longer be collected.

NOTE

Call Telemetry.Disable() before creating or using any Syncfusion features in your application.

ComboBox

Bug Fixes

#I853155 - Resolved an issue where a NullReferenceException could occur when the component was removed while a search action was still pending

Data Grid

Bug Fixes

#I855013, #FB74913 - Resolved the issue that occurred during Excel export when the Grid contained stacked columns with a column template.

Bug Fixes

#I857887- Resolved an issue where the DropDown List popup position was not properly updated when a negative Popup.OffsetX value was applied.

InPlace Editor

Features

#I845275 - Added support for the EnableHtmlSanitizer property in the InPlaceEditor component, allowing users to control the HTML sanitizer and properly display special characters and HTML content in display mode.

Code Example:

<SfInPlaceEditor TValue="string"
                 @bind-Value="@Description"
                 EnableHtmlSanitizer="true">
    <EditorComponent>
        <SfTextBox @bind-Value="@Description" Placeholder="Enter employee name"></SfTextBox>
    </EditorComponent>
</SfInPlaceEditor>
        
 @code {
    private string Description = "<b>Product Information</b>";
}

MultiColumn ComboBox

Bug Fixes

#I854262 - The issue with the MultiColumn ComboBox popup height during filtering when a custom popup height was configured has been resolved.

Splitter

Bug Fixes

#I850442 - Fixed an issue in Splitter where keyboard navigation failed to collapse panes.

Tree Grid

Bug Fixes

#I859094 - Fixed an issue where collapsing a node unexpectedly collapsed all other expanded nodes when using a custom DataAdaptor.

TreeView

Features

#I843187 - Added support for the EnableHtmlSanitizer property in the TreeView component, allowing users to control the HTML sanitizer and safely handle HTML content in TreeView nodes.

Code Example:

<SfTreeView TValue="MailItem" EnableHtmlSanitizer="true">
    <TreeViewFieldsSettings TValue="MailItem"
                            Id="Id"
                            Text="Name"
                            ParentID="ParentId"
                            HasChildren="HasChild"
                            DataSource="@TreeData">
    </TreeViewFieldsSettings>
</SfTreeView>

@code {
    public class MailItem
    {
        public int Id { get; set; }
        public int? ParentId { get; set; }
        public string Name { get; set; }
        public bool HasChild { get; set; }
    }
    private List<MailItem> TreeData = new()
    {
        new MailItem { Id = 1, Name = "Inbox", HasChild = true },
        new MailItem { Id = 2, ParentId = 1, Name = "Personal" },
        new MailItem { Id = 3, ParentId = 1, Name = "Work" },
        new MailItem { Id = 4, Name = "Sent Items", HasChild = true },
        new MailItem { Id = 5, ParentId = 4, Name = "2025" },
        new MailItem { Id = 6, ParentId = 4, Name = "2026" }
    };
}

Test Results

Component Name	Test Cases	Passed	Remarks
3DChart	376	376	All Passed
Accordion	232	232	All Passed
AiAssistView	464	464	All Passed
Appbar	103	103	All Passed
Autocomplete	484	484	All Passed
BarcodeGenerator	533	533	All Passed
Breadcrumb	137	137	All Passed
Bulletchart	241	241	All Passed
Button	255	255	All Passed
Calendar	146	146	All Passed
Carousel	177	177	All Passed
Charts	6818	6818	All Passed
ChartWizard	482	482	All Passed
ChatUI	244	244	All Passed
Chips	214	214	All Passed
CircularGauge	1015	1015	All Passed
ColorPicker	115	115	All Passed
ComboBox	622	622	All Passed
DashboardLayout	266	266	All Passed
DataForm	548	548	All Passed
DataGrid	11245	11245	All Passed
DatePicker	580	580	All Passed
DateRangePicker	368	368	All Passed
DateTimePicker	475	475	All Passed
Diagram	17316	17316	All Passed
Dialog	488	488	All Passed
DropdownList	921	921	All Passed
Dropdowntree	214	214	All Passed
FileManager	3461	3461	All Passed
FileUpload	725	725	All Passed
FloatingActionButton	128	128	All Passed
Gantt	9387	9387	All Passed
HeatMap	419	419	All Passed
ImageEditor	3745	3745	All Passed
InPlaceEditor	768	768	All Passed
InputMask	172	172	All Passed
Kanban	544	544	All Passed
LinearGauge	801	801	All Passed
ListBox	141	141	All Passed
ListView	442	442	All Passed
Maps	1756	1756	All Passed
Mention	156	156	All Passed
Menu	398	398	All Passed
Message	211	211	All Passed
MultiselectDropdown	1107	1107	All Passed
NumericTextbox	467	467	All Passed
OtpInput	123	123	All Passed
PivotTable	1846	1846	All Passed
ProgressBar	199	199	All Passed
progressbutton	101	101	All Passed
QueryBuilder	585	585	All Passed
RangeNavigator	220	220	All Passed
Rating	107	107	All Passed
Ribbon	550	550	All Passed
RichTextEditor	3398	3398	All Passed
Scheduler	6832	6832	All Passed
Sidebar	150	150	All Passed
Slider	273	273	All Passed
SmithChart	260	260	All Passed
Sparkline	229	229	All Passed
SpeedDial	353	353	All Passed
Splitter	194	194	All Passed
Stepper	218	218	All Passed
StockChart	359	359	All Passed
Tabs	1088	1088	All Passed
TextArea	126	126	All Passed
Textbox	685	685	All Passed
Timeline	182	182	All Passed
TimePicker	421	421	All Passed
Toast	234	234	All Passed
Toolbar	236	236	All Passed
Tooltip	135	135	All Passed
TreeGrid	8138	8138	All Passed
TreeMap	775	775	All Passed
TreeView	1366	1366	All Passed

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Essential Studio for Blazor - v34.2.2 Release Notes

Common

Feature

Telemetry

How to disable telemetry (Opt-out)

ComboBox

Bug Fixes

Data Grid

Bug Fixes

Bug Fixes

InPlace Editor

Features

MultiColumn ComboBox

Bug Fixes

Splitter

Bug Fixes

Tree Grid

Bug Fixes

TreeView

Features

Test Results

Essential Studio for Blazor - v34.2.2 Release Notes

Common

Feature

Telemetry

How to disable telemetry (Opt-out)

ComboBox

Bug Fixes

Data Grid

Bug Fixes

DropDown List

Bug Fixes

InPlace Editor

Features

MultiColumn ComboBox

Bug Fixes

Splitter

Bug Fixes

Tree Grid

Bug Fixes

TreeView

Features

Test Results