Since "QUIC Desktop" is a term often associated with networking performance (the protocol) and recent developments in privacy tools like Mullvad VPN —which is currently working on QUIC obfuscation for their desktop clients—
The modern desktop is a hybrid environment. It connects to the cloud, but it also leverages local hardware acceleration.
How does this look for your needs? I can to be more technical or more marketing-focused if you have a specific audience in mind!