In datagridview, the Textbox in merged columns now fills the entire column.
Wisej.AI - Added new pdf and docx, xlsx converters and removed PdfPig and OpenXml.
Fixes
DataGridViewColumn.ToolTipText no longer shows a tooltip on the column header.
Startup race between wisej-ext.js and the first application request leaves extension widgets uncreated.
Infinite loop in LayoutEngine.ComputeFlexSizes() hangs the session (FlowLayoutPanel + FillWeight).
CoolClock fixes.
Security: Startup.cs (or vb) in the templates incorrectly uses StringComparison.InvariantCulture instead of StringComparison.OrdinalIgnoreCase failing to block .JSON.
Wisej.NET v4.1.5Oct 4, 2026
Features
Use a fully managed renderer to display SVG icons in Visual Studio.
Install Wisej.NET controls in the toolbox permanently using the vsix extension.
Fixes
Wisej.Ext.WebAuthn: CreateAsync/GetAsync throws FormatException on challenge decoding, and SignatureCounter is never set.
Wisej.AI:
SmartObjectAdapter.FromStreamAsync: IDocumentConversionService is only called for pdf and docx, xlsx/xls and other types are sent to the model as raw bytes.
BeforeInvokeTool/AfterInvokeTool: ReturnValue set by the handler is discarded, Handled sends a null tool result.
SmartAgentPrompt.Handled: NullReferenceException when no reply is supplied, duplicated/stale replies, Handled never reset.
ClientFileSystem extension fixes.
Remaining "unload" listeners in qooxdoo log Permissions policy violations for iframe-hosted apps.
In the ChatControl Extension, ForeColor now sets the color of the text in the input box instead of the background color of the input box.
Application events cannot hold on closure handlers.
Removing an Application event handler detaches the same object's other handlers.
Upload: exceptions thrown in the Uploaded event handler are reported through the standard exception dialog again
Out-of-process designer: clicking RibbonBar/ToolBar tabs and items no longer selects them.
Wisej.NET v4.1.4Sep 19, 2026
Fixes
ThemeBuilder screen doesn't scale correctly on high dpi.
Theme inheritance regression: Inherited active states override derived default values (e.g. MessageBox gets the window's active border color).
DataGridView.StandardReturn cannot be enabled when StandardTab is true.
Wisej.NET v4.1.3Sep 17, 2026
Fixes
FullCalendar event tooltip appears in the wrong position.
Sorting glyph is not displayed automatically for columns set to DataGridViewColumnSortMode.Programmatic.
Disable beforeUnload for Downloads.
DataGridView.AutoResizeColumns collapses columns to MinimumWidth when the header cells are not measurable.
Inherited Active Appearance State is overwritten by Child Default State.
CKEditor: Tab and Shift+Tab inside the editor move focus to the browser UI instead of the next control in tab order.
Latest Chrome (v152) broke Application.Download when filename contains commas.
Widgets with 32+ distinct appearance states can receive another widget's cached style.
TAB navigation stops working after the AJAX loader hides until the user clicks with the mouse.
Latest Chrome (v152) broke the PdfViewer when filename contains commas or semicolons.
ProgressBar does not respect Minimum value when calculating fill percentage.
ProgressBar does not redraw when only Minimum or Maximum changes.
Tabbing to a ComboBox in a DataGridView cell does not show dropdown.
Wisej Designer can be slower while painting controls.
A label in a FlowLayoutPanel does not always autosize correctly.
SelectNextControl not working with Static Controls like Spacers and MapEnterToTab.
Wrong names in Lucide icon extensions.
Percent-encode cookie values so non-ASCII/space values survive a new session.
Maximum Height on a NumericUpDown cannot be set.
ChatControl: AutoSizeLabel does not grow after an inline image loads (no SizeChanged).
Wisej.NET v4.1.2Aug 15, 2026
Features
TextBox input's name attribute has been changed from control specific value to generic textfield.
Fixes
aria-labelledby references a non-existent id when ShowCaption is false.
DataGridView.Sort corrupts row order on columns with duplicate values.
FlowDirection.BottomUp and RightToLeft are ignored when any child control has the FillWeight property set.
Labels with Selectable=True are no longer selectable.
DataRepeater AutoSize does not update for collection changes.
FlowLayoutPanel layout can render broken.
ComboBoxes with VirtualScroll = true do not update to SelectedIndex = -1.
Firefox: Columns are misaligned to header columns when scrolling and ShowColumnVisibilityMenu = false.
Tabbing to a ComboBox in a DataGridView cell does not show dropdown.
Scrollbars are not appearing on the Flow Panel in BottomToTop layout.
Cursor property on parent controls is serialized as null.
Wisej.NET v4.1.1Major versionAug 5, 2026
Features
Added Control.SelectableDefault to set the Selectable property globally.
Exposed padding property of NavigationBarItem in Designer.
When selecting text in a TextBox if the pointer is dragged outside it may stop the selection.
Install Wisej.NET controls in the toolbox permanently using the vsix extension.
Fixes
DataRepeater AutoSize does not update for dynamic item sizes.
In AceEditor with AutoUpdateDelay cursor can jump to the bottom while typing.
Top level MenuItems don't serialize the Enabled state correctly in .NET 4.8 Designer.
Adding new items to a DataRepeater by changing the data source while it's hidden (e.g. in a non active TabPage) does not create its children.
Barcode ShowLabel does not render text on .NET Core.
Barcode PDF417 does not render correctly on .NET Core.
TextBox.SelectionLength always 0.
Label MinimumSize is incorrectly treated as maximum size unless the SelfSize property or global switch is set to false.
SimpleColumnFilter can fail to load items for data bound grids.
Application.Download won't download file with accented characters in the file name.
Some editor are not dpi aware and are created in correctly in high dpi monitors.
Dragging a snap line may draw the line on the wrong monitor in some multi-monitor systems.
Dragging a control over a container that is scrolled drops the control in the wrong location.
Using <ForceDesignerDPIUnaware>true</ForceDesignerDPIUnaware> causes the designer surface to shrink (supported only on .NET Core).
Wisej.NET v4.0.13May 29, 2026
Fixes
Hybrid - Deactivating and reactivating application window can close a modal dialog.
ColumnFilter extension does not contain LIB folder.
Wisej.NET v4.0.12May 22, 2026
Fixes
Hybrid AOT text measurement fails in System.Drawing.Managed.
Wisej.NET v4.0.10Mar 13, 2026
Fixes
[Hybrid 4.0] Validate and track native response bridge transport update.
Wisej.NET v4.0.8Feb 20, 2026
Features
Added configuration property AllowedResourceTypes to change the files allowed to be embedded resources.
Fixes
Image Editor did not keep the previous selection.
Image Editor was not caching the images anymore.
[EnableDesignMode] only worked with default overload.