COLDCARD Mk4 v5.3.2 and Q Firmware v1.2.2: NFC Push Tx & More

"This is a release with a many small bugfixes and little enhancements… plus one major new feature: NFC Push Tx. You can now simply tap your COLDCARD to your phone to broadcast the transaction without a computer or any new apps."

https://www.nobsbitcoin.com/coldcard-mk4-v5-3-2-and-q-firmware-v1-2-2/