You've measured higher temperatures, then? As in...you actually did a test? Like perform some action(s) in 1.3, measure temperature, upgrade to 1.4, perform same action(s), notice actual increases in temperature?
Or are you just going about posting "well my laptop feels hotter to the touch! I think" such that poster so-and-so will then go about and claim is a widespread problem in Boot Camp 1.4 that'll melt your computer. Bringing legitimate, confirmed issues with hardware or software in the public's eye is great, and if that's truly what you're doing then I apologize for being harsh. If you're not, though, then stop spreading the manure.
(Sorry buddy, wrong post at the wrong time. Its not just you, this stuff is rampant all over the forum. Or maybe I just need some sleep.)