An amendment to XRP Ledger rules requires continuous approval from over 80% of the network's 35 default trusted validators—at least 29 votes—for two consecutive weeks before activating.

From the articleXRP Ledger bug fix nears activation while Ripple’s bank lending system stays 10 votes shortAlso in XRPL Bug Fix Nears Approval While Ripple Lending Proposal Stalls 10 Votes Short, XRP Ledger bug fix nears approval as lending launch remains on hold