Images from my Canon T4i don't calibrate correctly anymore

[Jameedon]

I haven't changed anything with the camera, or with how I calibrate my images using the BPP script, but now my images aren't being calibrated correctly anymore.  The Canon T4i uses Focus Pixels and I see those focus pixels in the High Rejection Maps for MasterBias and MasterDark frames.  The MasterBias and MasterDark frames look normal (and so does the MasterFlat), but the MasterLight image is messed up, it has a much darker center section right where the focus pixels are located.  I just want to make clear that I never had this problem for the first 3 years of calibrating images the same way.  Only recently have I've been seeing this problem.

Did the BPP script code change in a way that would cause it to over-correct my subs?  Or could it be something else that's unforeseen to me?

Here is what I'm talking about.

[Raymond]

Hi Jamee
Today, my calibrated images from my Canon 500d looked strange too (I do the calibration step by step; not using BPP). As I updated my software today (amongst others: DSLR RAW module - bugfix), I suspected that some settings for the DSLR changed. I had to check no white balance again under Format Explorer - DSLR RAW; and now everything is again as it should be.
Raymond

[Jameedon]

My situation is different than yours.  The Canon T4i (650D) was the first year that Canon started using a different focus pixel method, and I believe the T5i is the same.  Apparently a larger section of the sensor has these focus pixels, which are just one of the green pixels per group of RGGB. 

At first I made master calibration frames by going through the individual steps but I got the dark spot in the middle of my MasterLight frame, so then I tried running the data through the BPP script but got the same result.  I haven't installed the new bugfix yet, but I will now.  I'd be very surprised if it fixes my problem.

Here is an screenshot of a MasterBias Rejection Map High where you can see the focus pixels.  Do you see the same thing with your camera?