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Developer edition of Firefox with experimental tools and a separate release channel, under the same MPL 2.0 license.
Get it
Download from the developer
Install with Homebrew: brew install --cask firefox@developer-edition
The promise
- ✓ No ads
- ✓ No purchases
- ✓ No subscriptions
- ✓ No trials
- ✓ No nagging
- ✓ No surprise bundles
Transparency
✓ Open source
✓ No account needed
Something wrong?
Reports go to a human review queue. No timeline promised — this is a small pilot, but every report gets read.
Thank you. Your report has been sent.