Newsbytes: new Adobe LR/ACR RC, GIMP mag launches, D4 by Nikon, etc

Newsy things have filled up the buffers, so it is time to empty the buffers with a new Newsbytes round-up!

+ Adobe unleashes LR 4.2 and ACR 7.2 release candidates with bug fixes and such at Lightroom blog (via dpreview)

+ new Yongnuo YN-568EX flash with high-speed sync (HSS) support via Lightning Rumors

+ new online GIMP Magazine launches September-5-2012 - it is, just like Gimp, FREE (via P.Blog)

+ Nikon D4 sensor is a Nikon design reveals the Chipworks teardown (via Foto Act.)

+ new Nikon 1-system firmware updates via Imaging Resource

+ bidding for the assets of UK retailer Jacobs begins on Friday Aug-28-2012 via dpnow and AP UK

+ PMA releases "Rise of the Amateur Report (2011)" for $300 (PMA members) or $500 (non-members)