Get it through the App Store "Updates" tab. See http://www.pleco.com/ipmanual/vershist.html for a list of changes - big improvements include better Pinyin search (no more spaces needed before syllables that begin with vowels), an optional "exit" button to drop you back to the root dictionary / reader view, an option to seamlessly switch between regular and full-text searches for the same language by cycling dictionaries, and the usual pile of bug fixes and tweaks.
Absent any major bugs, this is probably the last update before flashcards, but hopefully those won't take too outrageously long...
Absent any major bugs, this is probably the last update before flashcards, but hopefully those won't take too outrageously long...