It's clear from the guidelines (https://usaultimate.org/college/2023-college-guidelines/) that bid allocation for each region will be determined after this weekend games.
Timeline – The official USA Ultimate College Regular Season will run from January 1, 2023 through April 2, 2023.
Bid allocation for Regions to the USA Ultimate College Championships (Division I) includes a combination of 10 automatic bids (1 per Region) and 10 strength bids (based on end-of-season official USA Ultimate College Rankings).
But do the rankings also determine the actual teams at the end of regionals?
Strength bids –