When developing live (localization/resource) display language switching for SL5, the LocalizationManager should allow to update all localization strings applied through the ResourceManager. In SL5 it's not possible to listen to an attached dependency property for all dependency objects. Therefore it would help to have a way to know when the attached ResourceKey dependency property changes (and on which DependencyObject) in the LocalizationManager. 

When used to zip files which names contains special characters(such as swedish special characters) the filename is displayed with wrong encoding after unzipping the file.

The fix is available in our latest LIB release (v. 2015.1.0323).

Create NuGet symbol packages - containing the .pdb files - corresponding to the primary NuGet packages. The process is described here: https://docs.microsoft.com/en-us/nuget/create-packages/symbol-packages .

This will facilitate the debugging of problems in the controls code.

Set Content="_button" in Button styled with ExpressionDark theme. Press Alt+b this should activate the Click event handler of the button but it doesnt.

We have a zip file created with the ZipLibrary.
It is not possible to extract it with the "Compressed Folder Tools" tool from the "Windows Explorer" application, which is the default compress tool in Windows 8.
The result is an error saying that the zip file is invalid.

Incorrect output when creating an archive from a json file (when the text in the file is too long).

Add support for AES Encryption.
This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190123 
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Video (wmv) and Audio (wav) files aren't properly compressed. The zip file that the library creates is larger than the original media file.

The exception occurs when files larger than 1 GB are being added to ZipPackage

Add additional properties to the ZipPackageEntry that describe the creation date, the last modified date and etc.

Introduce support for AutoCad files in a fixed document viewer.

Add new control to the suite: TimeSpan Picker

Available in the 2016 R3 Release.

Please take a look at our help article for more information:
http://docs.telerik.com/devtools/wpf/controls/radpasswordbox/overview

When you create a ZipPackage and then use the Add method to add a .dll file the created archive is corrupted.

Implement the "add file to existing archive" functionality

When certain files are added to ZipPackage IndexOutOfRangeException is thrown.

http://www.telerik.com/community/forums/silverlight/general-discussions/feature-request-callout-control.aspx

Ability to zip files bigger than 4 GB needed

Add functionality for the ZipPackage to span across multiple files.
This item is migrated to the Telerik Document Processing portal: 
http://feedback.telerik.com/Project/184/Feedback/Details/190122 
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Add a possibility to create a ZipPackage with a password associated with it.