Download Firefox Developer Edition 126.0b1

Get the latest features, fast performance, and the development tools!

Updated: April 17, 2024

Size: 155 MB

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155 MB · April 17, 2024

Firefox%20126.0b1.dmg

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127.0b3 May 20, 2024 156 MB 126.0b9 May 05, 2024 154 MB 126.0b8 May 03, 2024 154 MB 126.0b7 May 01, 2024 154 MB 126.0b6 April 28, 2024 155 MB 126.0b5 April 26, 2024 155 MB