Because of changes in the latest release Raspberry Pi OS, some features not working yet:

• Advanced mode with multiple displays & screen rotation
• Network setup

• Download the latest Raspberry Pi OS (64-bit) with desktop.
• Download the latest Dicaffeine packages:
  • libyuri
  • dicaffeine
• Download and install the NDI5 libraries, in terminal do:

dicaffeine_get_ndi5 install aarch64-rpi4-linux-gnueabi

• Change default sound backend to pulseaudio, in teminal do:

sudo raspi-config