Was this maybe caused by using the randomize notes feature?
I tried to recreate your issue on 1.3.2 by putting in a lowest C note on step 1, then transposing it -36 semitones, but it still only shows as the lowest C note (not the little < arrow).
I think i've had this issue before by using randomize notes, which by the way would be excellent if you could actually select a desired range. i.e. Randomize between C3 to C5
Since the current range is always 100%, it's way too drastic, as melodies or basslines or leads usually don't range from C1 - C8..