For six hours, Lina and two meteorologists parsed the data by hand. Firefox 115’s built-in viewer couldn’t render the old CSV inline, but its “View Source” feature—still untouched, still pristine—showed every byte. They copied, pasted, and plotted on paper.
However, the existence of the Firefox 115 ESR branch is a temporary reprieve rather than a long-term solution. Organizations and individuals still relying on Firefox 115 on legacy operating systems are operating on borrowed time. The divergence between the 115 codebase and the modern web will widen, necessitating hardware and OS upgrades to maintain security posture and browsing compatibility. firefox 115
While much of the discourse surrounding v115 focuses on its legacy support, it introduced several functional upgrades for the general user base. For six hours, Lina and two meteorologists parsed
Firefox 115 continued Mozilla's focus on user protection with the following updates: However, the existence of the Firefox 115 ESR
And in the middle, unsupported, unloved, but unbreakable: .
Users on these legacy operating systems were moved to the Firefox 115 ESR channel and will be upgraded to Firefox 128 or newer versions. They will remain on the 115 branch until Mozilla ceases security updates for that specific legacy branch (expected to be September 2024, though users are strongly encouraged to migrate before then).