When I ran 6.3-6.4 during the upgrade I did have a glitch but I kept going:

Warning: mysql_fetch_array(): supplied argument is not a valid MySQL result resource in /usr/www/users/creview/mb/mysql.inc.php on line 140
Adding a new table to save database queries that are used frequently from the admin section
Adding a new field to the Groups table to allow for disabling of groups.
Grabbing all old poll data for conversion.
Dropping old poll tables and creating new ones for the updated poll system.
importing old poll data...
Adding a table for calendar events...
Altering the user's table to add a few new fields/preferences...
Altering the online table to store info a bit differently...
Altering the board's table to allow admin's to associate an image with a forum...
Altering the posts table so posts can be linked to a calendar event...
Reworking some indexes for speed, this may take awhile. You will get a few errors about indexes not being able to be dropped. This is ok, index names might be a bit different depending on when you installed but they will be dropped properly...
Creating a cache table for some things that don't change to often...
Creating a table to store version info to make future upgrades easier...
Done

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I will check and see if the fields you listed were added.

brb