It looks like gamma settings might come into play here actually, as I've just cropped two comparison images and the environment itself does appear very slightly darker in the latest render.

Also, I lied... I forgot to mention that I played with Annie's boobs a bit prior to the latest render, in order to get them sitting nicely in her dress. blushes

I've edited the original render to keep Annie's dignity, but you can still clearly see her forearm hair and head hear, and note the difference between them.

Latest:

Original:

I'm running Win 10 Pro 32GB RAM Intel Core i7-4790K CPU @ 4.00GHz Nvidia GeForce GTX 1660 Ti

My DA Gallery: glen85.deviantart.com/gallery

Peace, love and polygons!