hipco

Yup, bug. SID 6581 doesn't make any difference.

Tried V4.6 and the speech synthesis works.

I'm impressed.

Any news about V4.8?

With the integrated Ethernet NIC everything works as expected.

Nope. Let's wait for macOS Sequoia.

You need a running MQTT Broker on localhost:1883. Mosquitto is one you could use.