We might be resolving symlinks to their physical paths, making each download look like a new install. If so, the nixpkgs issue I mentioned above is probably mor

We might be resolving symlinks to their physical paths, making each download look like a new install. If so, the nixpkgs issue I mentioned above is probably more relevant than expected. I'm not entirely certain, but if you want to source dive, nsXREDirProvider::GetInstallHash is a good place to start: https://searchfox.org/mozilla-central/rev/6c9f60f8cc064a1005cd8141ecd526578ae9da7a/toolkit/xre/nsXREDirProvider.cpp#1178 https://searchfox.org/mozilla-central/rev/6c9f60f8cc064a1005...