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# Version 10.0.1 Changelog (2023-04-20)

World's #1 PDF SDK Library for Web, Mobile, Server, Desktop

## WebViewer Core

### New

* Added a new an option for `DocumentViewer.startSemanticDiff` to enable "extra move highlights"
* Improve the optimize script to remove unneeded dependencies for features that are not used.

### Fixes

* Fixed issue where typing offscreen when in DOCX edit mode would cause the scroll action in the document to be triggered too many times.
* Fixed an issue with canvases which was appending new page numbers to their class names instead of replacing them.
* Fixed the issue where imported distance measurement annotation would not show caption right away.

## WebViewer UI

### New

* Added new Scroll Sync behaviour for MultiViewer. Use `UI.setMultiViewerSyncScrollingMode`.

### Fixes

* Fixed Office PNG downloads having a transparent background instead of white.
* Fixed focus loop error generating call stack errors when closing the custom stamp modal in certain cases.
* Fixed an issue with the Compare panel not showing multi-page changes.
* Fixed a bug where Thumbnail rotations wouldn't always apply to the proper page.
* Fixed dispose error for a removed handler.
* Fixed an issue where earch results in the Search Panel were not being updated when deleting or moving pages.
* Fixed an issue with the UI causing FreeTextAnnotations to be resized when they are not set to Auto Size.
* Fixed a bug where updating radius in Ellipse Measurement scale overlay did not update the annotation caption.
* Fixed an issue where some pages of files with a high number of pages were not being displayed depending on the zoom applied and screen size.


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