@Master the latest Pixhawk is the Pixhawk 5X
To further clarify, the Pixhawk team publishes open standards year after year, which are in turn used by manufacturers to build flight controllers, the open standards are as follows
- FMUv2
- FMUv3
- FMUv4
- FMUv5
- FMUv5X
- FMUv6U
- FMUv6X
The last three are (5X, 6U & 6X) the latest releases, and each have different capabilities, most notably the 6X hasn’t yet been produced by a manufacturer, here options for the other two
FMUv5X
- Auterion Skynode
- Pixhawk 5X by Holybro (linked above)
FMUv6U