> For the complete documentation index, see [llms.txt](https://docs.apryse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.apryse.com/xamarin/changelogs/version-9/v9-0-0.md).

# Version 9.0.0 Changelog (May 3, 2021)

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

Version: 9.0.0

Release Date: May 3, 2021

## Notes

This release of Apryse for Xamarin brings the core PDF functionality and iOS and Android Tools functionality inline with version 9.0.0 of the iOS and Android SDKs. More information can be found on [What's New for iOS](/ios/changelogs/version-9/v9-0-0-77669.md) and [What's New for Android](/android/changelogs/version-9/v9-0-0.md).

## Xamarin.Android

### New features

* Lasso tool now supports splitting ink annotation by strokes

![](https://653871032-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgjsBtuYmcKhWOdM9VCg4%2Fuploads%2Fgit-blob-298cb112ed27cf38a0571e1d89388ef9d3452b2c%2F23c5381ed305ad69cc8bd266617311ebb6553efb-410x862.gif?alt=media)

* New optional [compact toolbar UI](https://sdk.apryse.com/api/xamarinandroid/tools/api/pdftron.PDF.Config.ViewerConfig.Builder.html#pdftron_PDF_Config_ViewerConfig_Builder_UseCompactViewer_System_Boolean_) with single line instead of two lines

![](https://653871032-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FgjsBtuYmcKhWOdM9VCg4%2Fuploads%2Fgit-blob-549929a9bd2e1237f96bcb369871eb959772d2e3%2Fea3b26715791b516c983efc9e4b73d81f4bc6b67-540x1110.png?alt=media)

* New admin mode for [collaboration viewer](https://sdk.apryse.com/api/xamarinandroid/tools/api/pdftron.Collab.UI.Viewer.CollabViewerBuilder2.html#pdftron_Collab_UI_Viewer_CollabViewerBuilder2_UsingAnnotationManagerMode_pdftronprivate_PDF_PDFViewCtrl_AnnotationManagerMode_)
* Theme revamp: most of the viewer components now come with a theme that can be modified in your application, check out theme guide here: [Customize the viewer's theme](/xamarin/guides/viewer-components/custom-theme-a.md)
* Adds ability to change annotation style properties when using group selection tools (rectangle selection and lasso selection)

## Xamarin.iOS

### New features

* Added a new cloudy border option when creating rectangle annotations in the viewer.
* Added a new [`PTPencilDrawingCreateDelegate`](https://sdk.apryse.com/api/xamarinios/tools/api/pdftron.PDF.Tools.PTPencilDrawingCreateDelegate.html) protocol which provides a [`StrokeAdded:`](https://sdk.apryse.com/api/xamarinios/tools/api/pdftron.PDF.Tools.PTPencilDrawingCreateDelegate.html#pdftron_PDF_Tools_PTPencilDrawingCreateDelegate_StrokeAdded_pdftron_PDF_Tools_PTPencilDrawingCreate_) callback when a new stroke is added using the [`PTPencilDrawingCreate`](https://sdk.apryse.com/api/xamarinios/tools/api/pdftron.PDF.Tools.PTPencilDrawingCreate.html) tool.
* New admin mode for [collaboration](https://sdk.apryse.com/api/xamarinios/tools/api/pdftron.PDF.Utils.PTCollaborationManager.html#pdftron_PDF_Utils_PTCollaborationManager__ctor_pdftron_PDF_Tools_PTToolManager_System_String_pdftron_PDF_PTExternalAnnotManagerMode_)
* The annotations in the [`PTAnnotationViewController`](https://sdk.apryse.com/api/xamarinios/tools/api/pdftron.PDF.Controls.PTAnnotationViewController.html) can now be hidden via the new [`AnnotationsHidden`](https://sdk.apryse.com/api/xamarinios/tools/api/pdftron.PDF.Controls.PTAnnotationViewController.html#pdftron_PDF_Controls_PTAnnotationViewController_AnnotationsHidden) property.
* Improved the visibility of the `Complete Annotation` button when creating `Polyline`, `Polygon`, and `Cloud` annotations.

### Bug fixes

* Fixed an issue where the keyboard would dismiss and reappear when switching between form fields.
* Fixes an issue where measurement annotations would show the wrong measurements when viewed on other platforms.
* Fixes an issue where Callout annotations could be resized even in readonly mode.
* Fixes an issue where the viewer would flash when downloading documents with slightly varying page sizes.


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