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Older Firefox versions

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What I believe to be a mozilla site "https://ftp.mozilla.org/pub/firefox/releases/" has all the older FF versions but when I downloaded the Mac OS version 81.0 which is the en-US version it does not have the new credit card feature and it also does not have D.O.H. active by default.

The sha256 hash is c4975a1a73dd1976e1f58cf5822921d25f2fb4a0e092897037e039d7ac6b8a67

It should be en-US but it does not have the new credit card feature in the menu. Why? Is FTP site no longer valid?

What I believe to be a mozilla site "https://ftp.mozilla.org/pub/firefox/releases/" has all the older FF versions but when I downloaded the Mac OS version 81.0 which is the en-US version it does not have the new credit card feature and it also does not have D.O.H. active by default. The sha256 hash is c4975a1a73dd1976e1f58cf5822921d25f2fb4a0e092897037e039d7ac6b8a67 It should be en-US but it does not have the new credit card feature in the menu. Why? Is FTP site no longer valid?

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I'm locking this thread because best is to keep this discussion in your other thread. Please continue here:

Some new features may not be active by default, especially if you previously had made changes to involved prefs.