LiveLink Face Blendshape Data overlay not working

Summary

Blendshap Data Overlay never seems to display on iOS in at least version 1.6.0 and newer.

What Type of Bug are you experiencing?

Editor

Steps to Reproduce

Run LiveLink face on iOS device, activate Blendshape Data overlay option. See that data overlay is not visible.

Expected Result

Expected to see overlay with blend shape values as in older versions of LiveLink face.

Observed Result

No Blendshape data is visible even when option is activated in settings.

Affects Versions

5.8
5.7

Platform(s)

iOS