Color rendering bug with NW.js 12.0

Problem Description

Color rendering changes with newest NW.js.

Attach a Capx

https://dl.dropboxusercontent.com/u/70562654/Bugreport_BrokenColors.capx

Description of Capx

Renders a single sprite object.

Steps to Reproduce Bug

Keep Node Webkit 10.5 and NW.js 12.0 installed. Run C2 with NW 10.5. Take screenshot with printscreen. Run C2 with NW 12.0 Take another screenshot. Compare color values in Photoshop/Gimp/Graphicsgale/etc.

Observed Result

Colors are different from both source image and NW 10.5 output

Expected Result

No color change.

Affected Browsers

Node Webkit

Operating System and Service Pack

Windows 7 Personal Edition Service Pack 1

Construct 2 Version ID

r199

As far as I can see NW.js 0.12.0 preview mode in C2 looks identical to the C2 editor. Can you provide screenshots on Dropbox or somewhere else to compare? (The forum attachment system has been playing up lately so I don't know if you already attached pictures)

There was a thread earlier where images were posted:

It's pretty obvious when you "diff" the two images.

Yeah, Eisenhans beat me to it

I'm starting to suspect it has something to do with the Spyder3 calibration utility/color profile I'm running. Turning it off didn't help but I'll try on a different PC when I have one around.

Well, I can't reproduce here... can you reproduce on another system without the color calibration software?

I just tried both nw.js versions on two different computers with Win7 and webgl capability and there was no color output difference to be seen at all. So just unruly color calibration kicking in when it shouldn't I guess? Sorry about the false alarm.