I just started trying out LRCC (the new one) to see what it offers and wanted to know what is included when exporting a photo. For these tests, I uploaded the original files to the web site.
None of these are big things because I'm mostly going to use Classic, but I want to start tinkering with the new CC O I know how it works when it starts getting a more prominent role in the future. Thanks!
I don't have a lot of answers for you because I really don't use the new Lightroom CC that much. I don't think it's reasonable to expect saving copies of images to be exactly the same size, especially JPEG images. There's always going to be a slight difference in size. I'm only guessing here, but I suspect that as Lightroom CC matures and more features are added, the export or saving features will improve. In the meantime, what you see is what you get. You'll just have to experiment for yourself. Right now, there really isn't a lot of definitive information. Seems to be kind of a figure it out for yourself environment.