The popup remains on the screen for about 0.2 miles of riding after the turn. Distance to next counts down from about 400ft to zero where it remains for about 0.2 miles. Speed continues to be correct throughout. I believe this started happening since I installed the Beta and continues with the 4.0 software. Also I sometimes get a red info block with the word "WARNING" and no additional text.
It appears something similar was reported for the 1030 some time ago but I can't be sure this is the same problem.