Cannot paste colors into Polyline points editor

When pasting colors into the individual colors for individual points, nothing happens. It does not matter which color field is copied from. Color can be pasted into other fields, but not the point editor's.

1. Create new Unity project in 2019.4.8f1 using the 3D template

2. Import Shapes 2.3.2

3. Set default Directional Light to some obvious color

4. Copy color using context menu

4. Create a Shapes Polyline

5. Paste color into the individual point colors

6. Observe that colors are not applied for the individual points