bitcoin/doc/release-notes-33892.md

P2P and network changes

• Transactions participating in one-parent-one-child package relay can now have the parent with a feerate lower than the -minrelaytxfee feerate, even 0 fee. This expands the change from 28.0 to also cover packages of non-TRUC transactions. Note that in general the package child can have additional unconfirmed parents, but they must already be in-mempool for the new package to be relayed. (#33892)