Firefox ESR 140.10.1

Firefox Extended Support Release

Source: mozilla.org

Release	Date	Hash	Show all revisions
140.10.1	Apr 29, 2026	6f2a0df41bed2fe5
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Developer: mozilla.org/en-US/firefox/organizations

Support: mail.mozilla.org/listinfo/enterprise
Current
140.10.1 updated 6 days ago
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.avif .htm .html .oga .ogg .ogv .pdf .shtml .svg .webm .webp .xht .xhtml