An independent publication
Tomorrow’s Firefox,
explained today.
Firefox Tomorrow explains upcoming Firefox Nightly, Beta, and Stable changes in clear, human English — sourced directly from Mozilla’s official release notes.
30
Stable releases
205
New features
59
Bug fixes
673
Total changes
Nightly What’s landing first
Daily builds. The earliest signal of where Firefox is heading.
20 changes tracked
Beta What ships next
Features stabilising for the next general release.
22 changes tracked
What everyone gets
The release that millions of users see today.
31 changes tracked
Latest release notes
What’s in Firefox right now
- Nightly153.0a1
Firefox Nightly 153.0a1
Starting with Firefox 152, Nightly builds have an in-memory cache for the JavaScript compilation result, which is shared across navigation within the same do…
New(6)Changed(3)Developer(2)Web Platform(9)20changes across 4categories Read more → - Beta152.0b5
Firefox 152.0 Beta
Improved support for more advanced cursor movement commands, including those relating to paragraph boundaries, on macOS.
New(7)Fixed(5)Changed(3)Developer(2)Web Platform(5)22changes across 5categories Read more → - Stable151.0May 19, 2026
Firefox 151.0
Firefox Home (New Tab) has a fresh, new look and feel. The layout and design will enable upcoming features, from widgets to shortcuts improvements, launching…
New(10)Fixed(4)Changed(3)Enterprise(1)Developer(1)Web Platform(11)Community Contributions(1)31changes across 7categories Read more →
What’s coming next
In the Beta pipeline
Changes that have cleared Nightly and are now stabilising for the next general release.
All Beta changes →Experimental features
Live in Nightly
The earliest experiments and engine-level changes you can try today.
All Nightly changes →Release timeline
Last 30 stable releases
Covering 121.0 through 151.0.
- Nightly Firefox Nightly 153.0a1✦ 6 new ⌨ 2 dev
- Beta Firefox 152.0 Beta✦ 7 new ✓ 5 fixed ⌨ 2 dev
- Stable Firefox 151.0✦ 10 new ✓ 4 fixed ⌨ 1 dev May 19, 2026
- Stable Firefox 150.0✦ 11 new ✓ 2 fixed ⌨ 4 dev Apr 21, 2026
- Stable Firefox 149.0✦ 7 new ✓ 2 fixed ⌨ 3 dev Mar 24, 2026
- Stable Firefox 148.0✦ 6 new ✓ 3 fixed ⌨ 1 dev Feb 24, 2026
- Stable Firefox 147.0✦ 8 new ✓ 5 fixed ⌨ 5 dev Jan 13, 2026
- Stable Firefox 146.0✦ 7 new ✓ 2 fixed ⌨ 5 dev Dec 9, 2025
- Stable Firefox 145.0✦ 10 new ✓ 1 fixed ⌨ 2 dev Nov 11, 2025
- Stable Firefox 144.0✦ 8 new ✓ 2 fixed ⌨ 3 dev Oct 14, 2025
- Stable Firefox 143.0✦ 8 new ✓ 1 fixed ⌨ 4 dev Sep 16, 2025
- Stable Firefox 142.0✦ 6 new ✓ 3 fixed ⌨ 6 dev Aug 19, 2025
- Stable Firefox 141.0✦ 7 new ✓ 1 fixed ⌨ 3 dev Jul 22, 2025
- Stable Firefox 140.0✦ 7 new ✓ 1 fixed ⌨ 2 dev Jun 24, 2025
- Stable Firefox 139.0✦ 4 new ✓ 3 fixed ⌨ 4 dev May 27, 2025
- Stable Firefox 138.0✦ 5 new ✓ 1 fixed ⌨ 6 dev Apr 29, 2025
- Stable Firefox 137.0✦ 6 new ✓ 1 fixed ⌨ 3 dev Apr 1, 2025
- Stable Firefox 136.0✦ 11 new ✓ 2 fixed ⌨ 2 dev Mar 4, 2025
- Stable Firefox 135.0✦ 7 new ✓ 2 fixed ⌨ 4 dev Feb 4, 2025
- Stable Firefox 134.0✦ 3 new ✓ 1 fixed ⌨ 4 dev Jan 7, 2025
- Stable Firefox 133.0✦ 3 new ✓ 2 fixed ⌨ 6 dev Nov 26, 2024
- Stable Firefox 132.0✦ 6 new ✓ 1 fixed ⌨ 4 dev Oct 29, 2024
- Stable Firefox 131.0✦ 4 new ✓ 1 fixed ⌨ 4 dev Oct 1, 2024
- Stable Firefox 130.0✦ 4 new ✓ 2 fixed ⌨ 1 dev Sep 3, 2024
- Stable Firefox 129.0✦ 7 new ✓ 1 fixed ⌨ 5 dev Aug 6, 2024
- Stable Firefox 128.0✦ 7 new ✓ 2 fixed ⌨ 4 dev Jul 9, 2024
- Stable Firefox 127.0✦ 5 new ✓ 1 fixed ⌨ 1 dev Jun 11, 2024
- Stable Firefox 126.0✦ 7 new ✓ 1 fixed ⌨ 2 dev May 14, 2024
- Stable Firefox 124.0✦ 5 new ✓ 1 fixed ⌨ 1 dev Mar 19, 2024
- Stable Firefox 123.0✦ 2 new ✓ 2 fixed ⌨ 2 dev Feb 20, 2024
- Stable Firefox 122.0✦ 6 new ✓ 1 fixed ⌨ 2 dev Jan 23, 2024
- Stable Firefox 121.0✦ 5 new ✓ 2 fixed ⌨ 3 dev Dec 19, 2023