The fixCleanup3_4_0 package updates vault asset rounding calculations, loan default criteria, and cryptographic signature role prefixes to prevent signature reuse across different roles.

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