Sampler Track Envelope - string of characters

This was reported to Steinberg a year ago from 10.0.20. It was confirmed and raised under a CAN number to the developers but it’s still present in 10.5.0 (Mac)

Create a sampler track…
Assign a sample
Move the release rate of the amp envelope to 0.
Move it a tiny bit further to the left and a string of characters appears instead of 0