I just installed Logic 2.3.16 - when I use the I2C analyzer the decoded hex data is displayed above the waveform when zoomed out:
But when I zoom in the data is no longer displayed:
The data is displayed properly in the terminal, so this is not a killer - but it is helpful to see the decoded hex above the waveform, as was the case in the 1.2.18 version I was using.