First issueWakaru would freeze after import of text by newly added "Copy to Library" command (available in the Web Browser) or by the "+" button of quick text or library.
The text is actually imported and the freeze occurs just after the import.
Second issueIt concerns only devices under iOS 5.
The ebook browser would crash when trying to analyze Kanji difficulty of ebooks.
A fix has been posted for both issues and is waiting for validation.