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Need an old version of Developer Edition for testing

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While there is a website for older releases of Firefox, but I can not find one for Developer Edition. For testing purposes, I need an older verison of Firefox Developer Edition. Can you please help me?

While there is a website for older releases of Firefox, but I can not find one for Developer Edition. For testing purposes, I need an older verison of Firefox Developer Edition. Can you please help me?

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Hi,

Hopefully you'll find what you're looking for here :

https://download-origin.cdn.mozilla.net/pub/devedition/releases/