# 2021r3.1 Released on December 14th, 2021. This release has important improvements to `Xojo 2021r3`. ## Bug fixes (19 cases) | Case | Area | Description | |----------------------------------------------|------------------------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | [66894](http://feedback.xojo.com/case/66894) | Crashes & Assertions » IDE Unhandled Exception | Converting controls that have an unknown baseclass (typically when that baseclass doesn't exist in the project, for example when an external item isn't located), no longer throws an exception. | | [66778](http://feedback.xojo.com/case/66778) | Framework » Desktop | A DesktopCanvas, that's embedded on a Container, now fires the DoublePressed event correctly. | | [66780](http://feedback.xojo.com/case/66780) | Framework » Desktop | DesktopListBox now fires CellFocusReceived and CellFocusLost events. | | [66790](http://feedback.xojo.com/case/66790) | Framework » Desktop | Built apps with Workers no longer raise an IllegalCastException on Windows/Linux when running projects that use DesktopApplication. | | [66928](http://feedback.xojo.com/case/66928) | Framework » Desktop | The last parameter for DesktopUIControl.Refresh with x,y,width,height,immediately is now optional as documented. | | [66690](http://feedback.xojo.com/case/66690) | Framework » Web | Weblistbox sorts properly again. | | [66779](http://feedback.xojo.com/case/66779) | Framework » Web | Web applications should no longer disconnect after 140 seconds. | | [66841](http://feedback.xojo.com/case/66841) | Framework » Web | Fix an issue with our EventSource implementation which caused the app to disconnect prematurely. | | [66846](http://feedback.xojo.com/case/66846) | Framework » Web | WebImageViewer pressed event fires again when placed on a TabPanel or PagePanel. | | [66862](http://feedback.xojo.com/case/66862) | Framework » Web | Fixed a bug in the retrieval of data from a Weblistbox datasource. | | [66903](http://feedback.xojo.com/case/66903) | Framework » Web | WebImageViewer again fires its Pressed event on touch enabled devices that also accept mouse input. | | [66612](http://feedback.xojo.com/case/66612) | Framework » Windows | HTMLViewer.ExecuteJavaScriptSync can now return booleans, integers and doubles correctly, instead of returning back Nil. | | [66755](http://feedback.xojo.com/case/66755) | Framework » macOS | DesktopPopupMenu.SelectionChanged event no longer fires needlessly when the SelectedRowIndex doesn't change. | | [66083](http://feedback.xojo.com/case/66083) | IDE » Layout Editor | Locked position badge no longer bleeds through TabPanels/PagePanels. | | [66890](http://feedback.xojo.com/case/66890) | IDE » Layout Editor | Assigning a ColorGroup to plugin controls (DesktopBevelButton for example) now reflects the change in the layout editor. | | [66891](http://feedback.xojo.com/case/66891) | IDE » Layout Editor | IDE now picks up initial ColorGroup property values that are defined for plugin controls. | | [66735](http://feedback.xojo.com/case/66735) | IDE » Menu Editor | Removing all items from a menubar and then adding a new item now chooses the right super based on the super of the App class. | | [66895](http://feedback.xojo.com/case/66895) | IDE » Miscellaneous | Fixed Desktop control conversion of Color properties (most likely seen when loading up XML projects). | | [64582](http://feedback.xojo.com/case/64582) | IDE » Rendering | Running iOS projects on M1 Macs with Extensions Visible now works. | ## Docs and examples (1 case) | Case | Area | Description | |----------------------------------------------|----------|----------------------------------------| | [66642](http://feedback.xojo.com/case/66642) | Examples | PDF-TOC-Example project version fixed. |