How is that 'important'? Usually one writes sources. And that's what is maintained by the Smalltalk development environment. Since Smalltalk usually comes with

How is that 'important'? Usually one writes sources. And that's what is maintained by the Smalltalk development environment. Since Smalltalk usually comes with the system sources there is also no need to decompile the bytecode. OTOH some Lisps keep the s-expressions in the image and can run them directly via a Lisp interpreter.