I am happy to announce the release of Spread WPF-Silverlight 18.104.22.168! The update can be downloaded here: Download Here is a complete listing of fixed issues in this release. Fixed in Spread WPF-Silverlight 22.214.171.124:
- Custom number formats are now correctly imported from an Excel-formatted file. 
- Formulas are now loaded correctly from an XML stream. 
- Pasting a string with double quotes now works correctly. 
- The XML file is now loaded correctly when using a Russian environment. 
- Sheets now work correctly in a child window. 
For more information about Spread WPF-Silverlight, please visit product page here.