Ahhhh. I get it now. You can't unpack the album.cfg because it overwrites your settings.
Yep, that's true. The way I always upgrade my albums (and I run 3, so it's a pain in the a** for me too) is to read album.html and see what config items I've changed. Then I manually edit the file (not via the web interface) to get the new items in.
As you point out, the problem is that the web interface doesn't allow you to add new config items, or rename existing ones, so you *have* to edit the file...
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