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How to update Firefox ESR 115.14.0 to 128.1.0?

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I'm a newbie using Debian and Deb 12 ships with Firefox ESR and I've decided to stick with it instead of the regular release, 'cause it breaks some extensions I have. However, I want to upgrade to the latest ESR version, how do I do it? I tried going to (https://www.mozilla.org/en-US/firefox/all/#product-desktop-esr), but the file for linux 64 bit is a .tar.bz2 file, which I have no idea how to compile.

I'm a newbie using Debian and Deb 12 ships with Firefox ESR and I've decided to stick with it instead of the regular release, 'cause it breaks some extensions I have. However, I want to upgrade to the latest ESR version, how do I do it? I tried going to (https://www.mozilla.org/en-US/firefox/all/#product-desktop-esr), but the file for linux 64 bit is a .tar.bz2 file, which I have no idea how to compile.

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You do do not need to make or compile or such as the tarball is basically an archive you extract and then run the firefox-bin to start Firefox. You can then make a launcher on desktop, or panel or such to the firefox-bin.

If you are the only user then a easy way is to put Firefox in a folder in Home so you can also have read/write permissions to do internal Firefox updates from Mozilla.

If you prefer some form of package build or such like deb, rpm, snap, flatpak then see https://support.mozilla.org/en-US/kb/install-firefox-linux


Note if the Firefox 115.14.0esr came in your Linux distro install then it is a package build. Do not try and mix the tarball build over the package build as that will lead to trouble.

Ti ṣàtúnṣe nípa James

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Note that the 115 ESR branch will update automatically to ESR 128 (128.3.0) once ESR 115 reaches EOL with 115.15.0 as the last 115 ESR version.

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