The last release to support 32-bit x86 hardware for popular distros was: Distro | Release | Support | Extended Support -------------|---------|------

The last release to support 32-bit x86 hardware for popular distros was: Distro | Release | Support | Extended Support -------------|---------|---------|------------------ SLES 11 | 2009-03 | 2019-03 | 2022-03 | 2028-03 RHEL 6 | 2010-11 | 2019-08 | 2024-06 | 2029-05 Arch | 2017-11 | *Ongoing releases via unofficial community project Ubuntu 18.04 | 2018-04 | 2023-05 | 2028-04 | 2030-04 Fedora 31 | 2019-10 | 2020-11 | N/A Slackware 15 | 2022-02 | Ongoing, this is the most recent release Debian 12 | 2023-06 | 2026-06 | 2028-06 Gentoo | Ongoing By the time FireFox 32-bit is dropped, all the versioned distros will be past their general support date and into extended support, leaving Gentoo, Arch32, and a handful of smaller distros. Of course, there are also folks running a 64-bit kernel with 32-bit Firefox to save memory.