No update button in extensions dialog in FireFox 1.0PR

Hi, after updating firefox using a rpm from Mozilla project in ftp.suse.com/projects/mozilla/firefox/1.0PR it disappear a button UPDATE in menu:Tools->Extensions. So I have only button Uninstall and Options. I would like to use it (and not manual searching which extension has an update), but don't know hot to fix that. For any suggestion thank Stepan