If any step in your process to customize and deploy Firefox involves unpacking and repacking omni.ja[r], you’re probably doing it wrong. Any modifications you need to make to Firefox, whether it be changing the default profiles, changing the default preferences or even overriding specific files can be done WITHOUT repackaging omni.ja[r].

If you really think you have a use case for unpacking the omni.ja[r], let me know and I’ll try to prove you wrong.

Now you know…