• textfields requiring floating point numbers now prohibit entry of invalid characters (e.g. can't put a,b,c,d,e,f,g, etc. in a textfield that specifies a concentration)
• all textfields now support drag and drop of text.
• can now use a command key to switch tabs in a document ( cmd-1 for the first tab, cmd-2 for the next, etc.), or the up/down and left/right arrows keys.
• live scrolling is now supported everywhere it is appropriate.