Release notes for the latest Firefox 82.0.3 are posted at https://www.mozilla.org/en-US/firefox/82.0.3/releasenotes/. See the Mozilla Foundation Security Advisory 2020-49 for details about the critical security fix for CVE-2020-26950 included in this update.
Release notes for the latest Firefox ESR 78.4.1 (extended support release) are posted at https://www.mozilla.org/en-US/firefox/78.4.1/releasenotes/.
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64-bit Win 10 Pro v1909 build 18363.1139 * Firefox 82.0.3 * Windows Defender v4.18.2010.7 * MB Free v4.2.3.96
Dell Inspiron 5584, Intel i5-8265U@1.60/1.80 GHz, 8 GB RAM, Toshiba 256GB NVMe SSD, Intel UHD Graphics 620