Syncfusion Essential Studio PDF Viewer SDK
启用跨 Web、桌面和移动平台的 PDF 查看、注释、表单填写和签名功能。
由以下开发商制作:Syncfusion
ComponentSource开始代理销售的日期:2002年
Syncfusion Essential Studio PDF Viewer SDK 新版本发表
Released: Mar 3, 2026
2025 Volume 4 SP1 (32.2.8) 中的更新
修补程序
- Web PDF Viewer (JavaScript, Angular, React, Vue, ASP.NET Core & MVC)
- Fixed an issue where textboxes did not receive focus in touch mode when a custom class and tooltip were used.
- Fixed accessibility issues in the EJ2 PDF Viewer.
- Fixed an issue where the viewer failed to load a new document after opening a corrupted PDF document.
- .NET MAUI PDF Viewer
- Annotation selection now works consistently at FitToPage zoom mode and low zoom levels on the android platform.
- FormFieldValueChanged event...
Released: Feb 24, 2026
2025 Volume 4 SP1 (32.2.7) 中的更新
修补程序
- Web PDF Viewer (JavaScript, Angular, React, Vue, ASP.NET Core & MVC)
- Fixed a script error that occurred on mobile devices when dynamically updating the component height with enableToolbar set to false.
- Resolved an issue where the Add Reply option appeared twice in the Comment Panel when isCommentLock was set to true.
- Fixed an issue where importing annotations failed when using older format JSON data for sticky note annotations.
- .NET MAUI PDF Viewer
- Link annotations now navigate to the...
Released: Feb 17, 2026
2025 Volume 4 SP1 (32.2.5) 中的更新
修补程序
- Web PDF Viewer (JavaScript, Angular, React, Vue, ASP.NET Core & MVC)
- Resolved an issue where the free text annotation was not rendering similar to Adobe PDF Viewer.
- Resolved an issue where opacity was not applied properly for free text when setting through the freeTextSettings API in edit mode.
- Resolved an issue where the free text annotation position changed in the downloaded PDF when opened in other viewers.
- Resolved an issue where the free text annotation height increased when typing...
Released: Feb 11, 2026
2025 Volume 4 SP1 (32.2.4) 中的更新
修补程序
- Web PDF Viewer (JavaScript, Angular, React, Vue, ASP.NET Core & MVC)
- Resolved an issue where the free text color property was not displayed correctly in the color picker after editing the annotation in the Adobe PDF Viewer.
- Resolved an issue where the custom font family was not applied correctly for free text when set through the freeTextSettings API.
- Resolved an issue where alignment was not applied correctly for free text when set through the freeTextSettings API.
- .NET MAUI PDF Viewer...
Released: Feb 5, 2026
2025 Volume 4 SP1 (32.2.3) 中的更新
修补程序
- Web PDF Viewer (JavaScript, Angular, React, Vue, ASP.NET Core & MVC)
- Resolved an issue where the text selection position was not proper in the customer provided PDF document.
- Resolved an issue where the selected annotation did not appear in the viewport at higher zoom levels in the customer provided PDF document.
- Blazor PDF Viewer
- Resolved an exception that occurred when disposing the PDF Viewer component dynamically through a button click.
- Resolved an issue that occurred when pinch...
Released: Jan 27, 2026
2025 Volume 4 (32.1.25) 中的更新
修补程序
- Web PDF Viewer (JavaScript, Angular, React, Vue, ASP.NET Core & MVC)
- Fixed an issue where annotations and comments were missing in a customer provided document due to a duplicate annotation name.
- Fixed an issue where form field content was not fully visible when the enableFormDesigner API was set to false.
- .NET MAUI PDF Viewer
- Localization is now working correctly for tooltips on the Windows platform.
Released: Jan 20, 2026
2025 Volume 4 (32.1.24) 中的更新
修补程序
- Web PDF Viewer (JavaScript, Angular, React, Vue, ASP.NET Core & MVC)
- Fixed an issue where the Free Text annotation moved outside the PDF page when using a large font size and resizing or dragging it beyond the page boundaries.
- Fixed an issue that caused difficulties in resizing the newly added Calibrate Area annotation when the enableShapeLabel API was set to true.
- WPF PDF Viewer
- Null Exception will no longer occur when clicking the layers option in WPF Pdfviewer.
Released: Jan 13, 2026
2025 Volume 4 (32.1.23) 中的更新
修补程序
- Web PDF Viewer (JavaScript, Angular, React, Vue, ASP.NET Core & MVC)
- Resolved an issue where the print preview was not displayed for password-protected documents in the standalone PDF Viewer.
- Fixed an issue where bounds in the annotationCollection deviated when adding a free text annotation using the addAnnotation method.
- Fixed an issue where free text positions were misaligned when importing annotations as XFDF file.
- Resolved an issue where Free Text Justify was not working properly...
Released: Jan 6, 2026
2025 Volume 4 (32.1.22) 中的更新
修补程序
- Web PDF Viewer (JavaScript, Angular, React, Vue, ASP.NET Core & MVC)
- Resolved an issue where the 'No matches found' popup appeared when searching the text using enter key after rapid input.
- Fixed an issue where programmatically importing annotations as XFDF was not working properly.
- Fixed an issue where less-than and greater-than characters were converted to HTML entities in Free Text annotations and the comment panel.
- WPF PDF Viewer
- Text selection for a single character is now properly...
Released: Dec 30, 2025
2025 Volume 4 (32.1.21) 中的更新
修补程序
- Web PDF Viewer (JavaScript, Angular, React, Vue, ASP.NET Core & MVC)
- Resolved an issue where form field styles were incorrectly applied to other fields.
- Resolved an issue where dragging line annotations was difficult when the annotation width reached the edge of the page.
- Resolved an issue where annotation toolbar property items were not hiding properly when toolbarSettings was applied.
- Resolved an issue where the Add Initial option did not hide when configured through the...
