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Well, I guess you can check for update without disclosing OS, but since binaries differ between OS you need to disclose OS to actually download the update.

Browser version is not necessary, but sending browser version allows serving smaller binary diff instead of full binary, which Firefox actually does.




No way! Just download the binary for every OS then only install the one for your OS and delete the rest (/s)


Ah! That makes sense. I had forgotten about binary diffs. I guess I can put my tinfoil hat back on the shelf...




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