Text "jitters" in the detail panel of the material editor when creating a comment box as shown in the following link:
Create new third person project in UE 4.5.1]
Open a material
Create a comment box
In the Details panel, type a long comment
Resize the details panel left to right
The comment becomes unstable and "jittery" as shown in the linked video in the description.
Head over to the existing AnswerHub thread and let us know what's up.