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Mozilla Extends Firefox Support for Older OS Until 2026

9/6/2025

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Summary

Story summary

Mozilla extended support for Firefox ESR 115 on Windows 7, 8.1, and macOS 10.12–10.14 until March 2026.
This is the third extension, previously scheduled to end in March 2025 and then September 2025.
Unlike Microsoft and Google, Mozilla continues to support these older operating systems.
The extension offers essential security updates, reducing risks for users on outdated systems.
A review of the support timeline will take place in early 2026, with updates anticipated in February.

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Story summary

Mozilla extended support for Firefox ESR 115 on Windows 7, 8.1, and macOS 10.12–10.14 until March 2026.
This is the third extension, previously scheduled to end in March 2025 and then September 2025.
Unlike Microsoft and Google, Mozilla continues to support these older operating systems.
The extension offers essential security updates, reducing risks for users on outdated systems.
A review of the support timeline will take place in early 2026, with updates anticipated in February.