When Wordpress Automatic Image Scaling is ON, the file size in metadata does not match with the final.

[Arukuen]

When Wordpress Automatic Image Scaling is ON and the uploaded image exceed 2560px, Wordpress scales down the image. This happens after Cimo optimization resulting to file size mismatch.

Uploading a 4160x6240 image when Wordpress Automatic Image Scaling is OFF:

Uploading a 4160x6240 image when Wordpress Automatic Image Scaling is ON: