It looks like PulseView needs a few more QString::fromUtf8 in a few places. For example, the probe descriptions from these PDs don't show "I²C" correctly: lm75: {'id': 'a0', 'name': 'A0', 'desc': 'I²C slave address input 0'}, i2cfilter: 'address': ['Address to filter out of the I²C stream', 0],
Resolved by 636782c1f942d1acdb56a0561c2e0fd52cc39ddb