Firefox Developer Edition

133.0b9

4 reviews

179.4 k downloads

A special version of Firefox for developers

Older versions of Firefox Developer Edition

Newer versions of Firefox Developer Edition may sometimes fail to install on older devices. Also, new updates may not be fully compatible with some Windows architectures. While the developer fixes the problem, try using an older version of Firefox Developer Edition. Previous versions of Firefox Developer Edition can be found in Uptodown's version history, where the app's available files are stored. Safely download previous versions of Firefox Developer Edition for Windows.

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exe 133.0b9 Nov 20, 2024

exe 133.0b7 Nov 13, 2024

exe 133.0b1 Oct 30, 2024

exe 132.0b9 Oct 23, 2024

exe 132.0b7 Oct 16, 2024

exe 132.0b5 Oct 9, 2024

exe 132.0b1 Oct 2, 2024

exe 131.0b7 Sep 18, 2024

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exe 130.0b9 Sep 2, 2024

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exe 129.0b8 Jul 26, 2024

exe 129.0b4 Jul 17, 2024

exe 129.0b1 Jul 10, 2024

exe 128.0b9 Jul 3, 2024