serial ports are now on
Currently we suggest to add
echo BB-UART4 > /sys/devices/platform/bone_capemgr/slots
at the bottom of
/opt/Bela/bela_gadget.sh: this will load it automatically at every reboot.
The uEnv.txt is and the way we manage overlays is under maintenance and we will come up with a nicer solution in the future (see e.g. here)