NUCLEO-H745ZI boart support

Mbed Studio not include NUCLEO-H745ZI target.
How I can use Mbed Studio ?

Thanks

Im also looking for supoprt for NUCLEO-H745ZI-Q

You can port the Mbed to the MCU with this guide: https://os.mbed.com/docs/mbed-os/v5.15/porting/index.html or just wait that ST or someone else does it for you.