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Essential Studio for EJ2 TypeScript - v33.2.4 Release Notes

v33.2.4
April 28, 2026
Test Results: 75809 Success , 0 Failure

Common

Bug Fixes

  • #768133 - Resolved an issue in garbage collection where DOM elements were accessed without null validation before removal.

AI AssistView

Bug Fixes

  • Now the issue with interacting prompt suggestions containing HTML content not working in AI AssistView has been resolved.

Chart

Bug Fixes

  • #I815160 - The scrollbar now retains its position when chart.refresh() is called after a data update. This also applies to the inverted scrollbar.
  • #I827966 - Data label line breaks (\n) are now correctly applied when mapped from the data source

Chat UI

Features

  • #I824879 - Now we have introduced a new method prependMessages to better support loading earlier conversations and improving chat continuity.

    • prependMessages – Prepends messages to the beginning of the Chat UI conversation area. This method inserts the specified messages either as messages[] or MessageModel[] as the first entries in the chat, making it ideal for loading historical messages when users scroll over the chat or reopen previous conversations.

DateRangePicker

Bug Fixes

  • #I830285 - Fixed a console error that occurred when presets was set to an empty array ([]) in the date range picker.

Diagram

Bug Fixes

  • #I829702 - The v-slot nodeTemplate now renders HTML nodes correctly in the Vue Diagram and Symbol Palette.
  • #I830395 - Now UML relationship connectors labels preserve user defined annotations and marked as read only.

DocumentEditor

Bug Fixes

#F73578 - Fixed an issue where the footnote separator line always rendered left-aligned in RTL documents.
#I829025 - Resolved an issue where ribbon styles were not applied when the style icon was collapsed.
#I826799 - Fixed an issue where the document language changed from English (UK) to the local locale (English - Nigeria) after download.
#I829897 - Fixed misalignment of the text cursor caused by the Page Number button in the Header & Footer tab.
#I824705 - Resolved corrupted rendering when enableSelection was used in React DocumentEditor read-only mode.
#I830170 - Fixed an issue where text moved out of the content control on pressing Enter and could not be deleted or edited.
#I829697 - Fixed truncation of labels in the Format Picture tab when using the Italian locale in ribbon mode.
#I821272 - Fixed table layout misalignment after copying and pasting content within cells and reopening the document.
#I821118 - Resolved an issue where the Document Editor became unresponsive when opening a file.
#I800755 - Fixed an issue where page numbers were not preserved during PDF conversion.
#I817069 - Fixed text overlapping with the paragraph mark when deleting a line break.
#I829081 - Fixed an issue where the table background gradient option had no effect on table appearance.
#I827240 - Resolved an exception that occurred when serializing Group content controls on the server side.
#I819564 - Fixed an issue where spell-check replacements were not reflected in the document text.

Bug Fixes

  • #I829239 - Resolved an issue where Select All was incorrectly hidden during filtering in DropDownTree based on filtered item count.

  • #I813436 - Resolved a memory leak in the DropDownTree component by ensuring the window resize event listener is correctly detached during destroy, preventing retained instances in Angular Material Dialog scenarios.

FileManager

Bug Fixes

  • #F198188 - An issue with range selection when using mouse dragging with mouse wheel scrolling in File Manager component has been resolved.

GanttChart

Bug fixes

  • #FB73605 - Fixed an issue where the context menu did not open in both the Grid and Chart areas when the Gantt component had no records to display.
  • #I830330 - Fixed an issue where, on initial load, the parent task ignored unscheduled child task dates, resulting in an incorrect parent taskbar timeline.

Grid

Bugs

  • I826547 - Resolved an issue where the custom format was not applied to date columns when the custom format type was not specified.

Mention

Bug Fixes

  • #I58529 - Resolved an issue where mention filtering did not trigger after existing text when allowSpaces: true and the data source was empty.

MultiSelect

Bug Fixes

  • #I829508 - Fixed an issue where binding 6,000+ preselected values with virtualization enabled resulted in a “Maximum call stack size exceeded” error.

PDF Viewer

Bug Fixes

  • #I824790 - Resolved an issue where the showToolbarItem method did not work for custom toolbar items.
  • #I829535 - Fixed an issue where the area annotation label was not displayed after exporting and importing a document in the PDF Viewer.
  • #I830721 - Fixed an issue where the findText method did not work properly with a customer provided document.
  • #I830154 - Fixed an exception that occurred while downloading a document containing a straight line ink annotation.
  • #I831256 - Fixed an issue where form field names with underscores were not set properly when the Form Designer module was disabled.
  • #I830801 - Fixed an issue where the ink annotation was not completed properly when selecting a text markup tool while ink mode was active.

Pivot Table

Bug Fixes

  • #I828186 - Fixed an issue where the indexObject was not available for row headers in the tabular Pivot Table.
  • #I830313 - Fixed an issue where child row headers were missing during server-side Excel export of the tabular Pivot Table.
  • #I829878 - Fixed an issue where the Pivot Table did not export correctly when Turkish characters were included in PDF document headers.

Ribbon

Bug Fixes

  • #I831323 - Now the issue with gallery popup position misalignment in overflow state has been resolved.

RichTextEditor

Bug Fixes

  • #I827874 - Now, automatic list creation is prevented when typing in the middle or at the end of a line in the Rich Text Editor.

  • #I828953 - Now, the https:// prepends to www links inserted through the link dialog when enableAutoUrl is enabled.

  • #I828855 - Now, the alignment dropdown maintains the proper active state for centre aligned pasted content in the Rich Text Editor.

Tab

Bug Fixes

  • FB73499 - Fixed an issue in Fill mode where the Tab component showed an unwanted browser scrollbar when used inside a nested container without an immediate height.

Toolbar

Bug Fixes

  • I821512 - Resolved a Toolbar memory leak caused by improperly cleared item click event handlers during dynamic item updates.

Test Results

Component Name Test Cases Passed Failed Remarks
3D Chart 232 232 0 All Passed
3D Circular Chart 374 374 0 All Passed
Accordion 113 113 0 All Passed
AI Assist View 523 523 0 All Passed
App Bar 68 68 0 All Passed
AutoComplete 200 200 0 All Passed
Breadcrumb 160 160 0 All Passed
Bullet Chart 169 169 0 All Passed
Button 145 145 0 All Passed
ButtonGroup 120 120 0 All Passed
calendar 178 178 0 All Passed
Carousel 62 62 0 All Passed
Chart 8260 8260 0 All Passed
Chat UI 690 690 0 All Passed
Checkbox 37 37 0 All Passed
CircularGauge 432 432 0 All Passed
ColorPicker 130 130 0 All Passed
Combo Box 148 148 0 All Passed
Common 906 906 0 All Passed
Context Menu 106 106 0 All Passed
Dashboard layout 30 30 0 All Passed
Data Grid 4139 4139 0 All Passed
Date Picker 431 431 0 All Passed
Date Range Picker 515 515 0 All Passed
Date Time Picker 326 326 0 All Passed
Diagram 16910 16910 0 All Passed
Dialog 74 74 0 All Passed
DropDown Button 132 132 0 All Passed
Dropdown List 210 210 0 All Passed
Dropdown Tree 110 110 0 All Passed
File Manager 2198 2198 0 All Passed
Floating Action Button 174 174 0 All Passed
Gantt 5486 5486 0 All Passed
HeatMap Chart 677 677 0 All Passed
Image Editor 1653 1653 0 All Passed
In-place Editor 643 643 0 All Passed
Kanban 268 268 0 All Passed
LinearGauge 427 427 0 All Passed
Listbox 115 115 0 All Passed
ListView 84 84 0 All Passed
Maps 1387 1387 0 All Passed
Mention 50 50 0 All Passed
Menu 187 187 0 All Passed
Multicolumn Combo Box 257 257 0 All Passed
Multiselect Dropdown 453 453 0 All Passed
OTP Input 240 240 0 All Passed
Pivot Table 5371 5371 0 All Passed
Progress Bar 83 83 0 All Passed
Progress Button 132 132 0 All Passed
Query Builder 480 480 0 All Passed
RadioButton 45 45 0 All Passed
RangeNavigator 140 140 0 All Passed
Rating 198 198 0 All Passed
Ribbon 628 628 0 All Passed
Rich Text Editor 5138 5138 0 All Passed
schedule 4733 4733 0 All Passed
sidebar 94 94 0 All Passed
Signature 105 105 0 All Passed
Skeleton 144 144 0 All Passed
Slider 147 147 0 All Passed
SmithChart 49 49 0 All Passed
Sparkline 58 58 0 All Passed
Speech To Text 200 200 0 All Passed
Speed Dial 366 366 0 All Passed
Split Button 145 145 0 All Passed
Stepper 91 91 0 All Passed
Stock Chart 507 507 0 All Passed
Tab 71 71 0 All Passed
Text Area 112 112 0 All Passed
TextBox 67 67 0 All Passed
Time Picker 180 180 0 All Passed
Timeline 213 213 0 All Passed
Toast 139 139 0 All Passed
Toolbar 141 141 0 All Passed
ToolTip 138 138 0 All Passed
TreeGrid 4965 4965 0 All Passed
Treemap 329 329 0 All Passed
Treeview 371 371 0 All Passed