Here is the changelog for Swype Beta v1.4.5.12537
Implemented a number of Smart Editor improvements and resolved some compatibility issues
Improved keyboard launch responsiveness in web browsers
Advanced Language Models improved for English, French, Italian, German, Spanish and Korean
Improved logic surrounding Language Downloads
S-Note: Resolved some instances where text would be duplicated
Plus many more bug fixes and overall enhancements!
Known issues:
S-Note: Edit gestures and edit buttons may not work correctly in this app with certain tablets
French: Delete key is inconsistent for words that begin with contractions
Polaris Office: Sometimes after swyping, the word choice list displays incorrectly.