Firefox 148
148.0.2
Release notes ↗
Is Firefox 148 still supported?
No
Firefox 148 reached end of life on Mar 24, 2026 (6 months ago). It no longer gets updates, including security fixes. Upgrade to Firefox 157 (latest 157.0.1).
- Released
- Feb 24, 2026
- End of life
- Mar 24, 2026
6 months ago - Latest version
- 148.0.2
Mar 10, 2026
Upgrade path
The recommended upgrade is Firefox 157, currently at 157.0.1.
Quick answers
- Is Firefox 148 still supported?
- No. Firefox 148 reached end of life on Mar 24, 2026 (6 months ago). It no longer gets updates, including security fixes. Upgrade to Firefox 157 (latest 157.0.1).
- When is Firefox 148 end of life?
- Firefox 148 reached end of life on Mar 24, 2026. It gets no more updates, including security fixes.
- What is the latest version of Firefox 148?
- The latest Firefox 148 release is 148.0.2, released on Mar 10, 2026.
- When was Firefox 148 released?
- Firefox 148 was released on Feb 24, 2026.
- What should I upgrade Firefox 148 to?
- The recommended upgrade is Firefox 157, currently at 157.0.1.
- How do I check which Firefox version I have?
- Run
firefox --version, then paste the result into the “Am I up to date?” box on this page.
Other Firefox branches
All 58 →Firefox 148 release history
RSS- 148.0.2
- 148.0
The history fills in as new versions come out.
Keep track
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Official release policy · Checked 5 hours ago