Mmm one request for IR.
A "maintain aspect ratio" option, if I have to work with an integration scene (something I'm doing right now) I need a background and a matched camera, if I use IR, since it does not respect the aspect ratio of the render (16:9 in my case) the background is totally off site, so It makes hard to work with IR, I have to launch a render with the correct resolution first, then launch the IR and make sure I don't modify it, besides I can do a 720x405 IR because the window has a limit to it's resize, so I can't do a low resolution IR with the correct aspect ratio.
Cheers!