FDTの1.5.1がリリースされていました。

Fixed Bugs:
Standard core folder does not link correct path
Underlines in names disappear in mark occurences
Flash Explorer crashes if pathes in .as2_class path do not exist
If interfaces declare methods that does return other values than Void the parameters in implementing classes are not checked correctly
German flash help could not be imported
Classpath editor can’t detect flash if classpath is not set
Classpath editor crashes if registry keys are not set properly