As the table shows, . Firefox 60 ESR dropped those OSes entirely.

Despite reaching its "End of Life" (EOL) in mid-2018, Firefox 52 ESR is still downloaded and used today. Why would someone use an insecure, outdated browser in 2024?

Today, Firefox 52 ESR belongs in museums, air-gapped industrial controllers, and retro tech labs—not on a daily-driver PC. But for those who need it, the ghost of “12.51” leads them to the correct, stable workhorse: .

When someone looks up , their real intent is likely:

Firefox 12.51 52 - Esr |top|

As the table shows, . Firefox 60 ESR dropped those OSes entirely.

Despite reaching its "End of Life" (EOL) in mid-2018, Firefox 52 ESR is still downloaded and used today. Why would someone use an insecure, outdated browser in 2024?

Today, Firefox 52 ESR belongs in museums, air-gapped industrial controllers, and retro tech labs—not on a daily-driver PC. But for those who need it, the ghost of “12.51” leads them to the correct, stable workhorse: .

When someone looks up , their real intent is likely:

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