Reasons for 4 Mozilla Firefox

Why are there Four Firefoxes?

Firefox Nightly, Developer Edition, and Beta add to the options for which version of Firefox you can test and run. These “release browsers” can be very helpful for knowing what’s coming in the future, and participating in creating new web technology.

Safari, Chrome, Edge and other browser also have pre-lease versions. Jen Simmons explains which is which, what are the differences, and where to find them.

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