As of today, you now need to accumulate 150 points bought direct from DVC to qualify for full membership and perks.
Effective June 3, 2021, to obtain a Disney Vacation Club Membership Card, Members must accumulate a total of at least 150 Vacation Points purchased directly from Disney Vacation Development, Inc.
Disney and Concierge Collection options are not available for ownership interests not purchased directly from Disney Vacation Development, Inc. after March 21, 2011, and, effective April 4, 2016, Members who have not purchased an ownership interest directly from Disney Vacation Development, Inc. will not have access to Membership Extras.
(Scroll down to bottom of page for “Important Information about Membership Extras” paragraph).
Also new info from Chat with DVC:
As of today, June 3rd, the minimum buy-in is 150 points. The minimum add-on as an existing member is 50 points, but the OTUP limit is still 24 points.