The reference modern open-source sniffer for Bluetooth 5 and 4.x LE on TI CC1352/CC26x2 (and CatSniffer). Python host, all BT5 PHYs, extended advertising, follows connections, the default LL-layer capture choice today.
Lifecycle not assessed: nobody has checked yet whether this tool is still maintained, sold or working. Check the project's own page before relying on it.