pay has been refined and much improved across various less-common scenarios.listpeers shows the current feerate and unilateral close fee.listforwards can now filter by channel status, and in our out channel.fundpsbt and utxopsbt have a new excess_as_change parameter if you don’t want to add it yourself.connect returns the address we actually connected to (and direction tells you if they actually connected to us instead).fundchannel_complete takes a PSBT, removing a common cause of tragic opening failures: txprepare and withdraw now provide a PSBT for convenience too.- In regtest mode, we don’t care that bitcoind doesn’t give any fee estimates, but use the minimum.