If you are looking for the decompiler itself, visit https://github.com/jindrapetrik/jpexs-decompiler
List of issues
: The issue tracker is now writable again and logged users can download files too. But note that our support is very LIMITED.
#1573 can't add class！！！
Labels: Adding script
ffdec is nice. i'm sad of it can't add class.(only have import *.as but it can't work.) it's important.but ffdec haven't。 wish you to add it.
Adding new scripts or classes for both AS1/2 and AS3 added in nightly 1804. You can find it under context menu of scripts folder. I am closing this issue. Create a bugreport if you find any problem with script adding.