• FEN loader will be a bit more liberal.
• PGN loader will ignore a byte order mark (BOM) in UTF8 files.
• Save / open / choose dialogs will remember an appropriate directory from last time.
• Some compatibility improvements for A/B engines (but it's still a bad idea to use them).
• Infobox menu has a brief explanation of what each term (e.g. Q, V, etc) is.