I am likewise, mine displays nothing noticeable by way of hot pixels or any odd interference patterns.
The only issue I have ever had is more related to PDH2. If stars are hard to come by it stretches the image harder and harder to try to find some and can stretch it so heavily it starts picking out noise and trying to call it a star. That only happens when conditions are so bad that imaging is worthless anyway. The only issue would be if your capture software tries to keep ploughing on instead of restarting the guiding. But I really cant call it an issue with the camera as I assume PHD would do the same with any attached cam.
I have been meaning to reach out to the developers to see if there is a config in a file somewhere that I can alter to limit the ultimate stretch of the guide images.
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